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WO2025186723A1 - Panneau isolant pour véhicules appropriés pour le transport de matériaux, de préférence pour le transport de matériaux à une température contrôlée, procédé de production dudit panneau et véhicule approprié pour le transport de matériaux, de préférence pour le transport de matériaux à une température contrôlée équipée dudit panneau - Google Patents

Panneau isolant pour véhicules appropriés pour le transport de matériaux, de préférence pour le transport de matériaux à une température contrôlée, procédé de production dudit panneau et véhicule approprié pour le transport de matériaux, de préférence pour le transport de matériaux à une température contrôlée équipée dudit panneau

Info

Publication number
WO2025186723A1
WO2025186723A1 PCT/IB2025/052347 IB2025052347W WO2025186723A1 WO 2025186723 A1 WO2025186723 A1 WO 2025186723A1 IB 2025052347 W IB2025052347 W IB 2025052347W WO 2025186723 A1 WO2025186723 A1 WO 2025186723A1
Authority
WO
WIPO (PCT)
Prior art keywords
reinforcing insert
structural shell
face
filler
panel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/IB2025/052347
Other languages
English (en)
Other versions
WO2025186723A8 (fr
Inventor
Francesco CODISPOTI
Raffaele PALMA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
M&s Consulting Sa
Original Assignee
M&s Consulting Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CH000236/2024A external-priority patent/CH721630A2/it
Application filed by M&s Consulting Sa filed Critical M&s Consulting Sa
Publication of WO2025186723A1 publication Critical patent/WO2025186723A1/fr
Publication of WO2025186723A8 publication Critical patent/WO2025186723A8/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/002—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/261—Handling means, e.g. transfer means, feeding means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a non-planar shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/046—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
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    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
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    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/047—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
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    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/302—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising aromatic vinyl (co)polymers, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/06—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions for securing layers together; for attaching the product to another member, e.g. to a support, or to another product, e.g. groove/tongue, interlocking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/08—Interconnection of layers by mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0012—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular thermal properties
    • B29K2995/0015—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3002—Superstructures characterized by combining metal and plastics, i.e. hybrid parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
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Definitions

  • the present invention relates to an insulating panel for vehicles suitable for the transport of materials in general, preferably for the transport of materials at a controlled temperature (e.g. food transport).
  • a controlled temperature e.g. food transport
  • the present invention also relates to a process for producing insulating panels for vehicles suitable for transporting materials in general, preferably for transporting materials at a controlled temperature (e.g., food transport).
  • a controlled temperature e.g., food transport
  • the present invention also relates to a vehicle suitable for the transport of materials in general, preferably for the transport of materials at a controlled temperature (e.g. food transport) equipped with said panel.
  • a vehicle suitable for the transport of materials in general preferably for the transport of materials at a controlled temperature (e.g. food transport) equipped with said panel.
  • Insulating panels for vehicles suitable for food transport are usually made from a structural shell, made for example in one or more of the following materials: Polystyrene (PS), High Impact Polystyrene (HIPS), Acrylonitrile-Butadiene-Styrene (ABS), Polymethylmethacrylate (PMMA), Polypropylene (PP), Polyvinylchloride (PVC), glass fibre embedded in a polymeric resin.
  • PS Polystyrene
  • HIPS High Impact Polystyrene
  • ABS Acrylonitrile-Butadiene-Styrene
  • PMMA Polymethylmethacrylate
  • PP Polypropylene
  • PVC Polyvinylchloride
  • a foaming operation is performed, for example using liquid polyurethane, aimed at distributing the insulating material inside the panel.
  • the panel can be applied to the internal wall of a vehicle (e.g. a van) for the transport of food, i.e. a vehicle whose cargo compartment is thermally insulated from the outside and is kept at a controlled temperature via a thermostatic system.
  • a vehicle e.g. a van
  • the Applicant observes that the materials with which the insulating panels are made, while allowing the panels themselves to perform their thermal insulation function appropriately, do not provide structural characteristics such as to be able to support objects (e.g. shelves, belt slots, etc.) fixed to the panel itself via rivets or dowels.
  • objects e.g. shelves, belt slots, etc.
  • the insulating material present inside the structural shell would not provide mechanical resistance such as to allow any stable constraint.
  • the Applicant has set itself the aim of overcoming this problem, thus providing a technique that allows for the stable and reliable fixing of shelves, slots, etc. inside the cargo compartment of a vehicle suitable for food transport.
  • the invention concerns an insulating panel for vehicles suitable for the transport of materials in general, preferably for the transport of materials at controlled temperatures, in particular for food transport (for example, perishable and non-perishable foods and foodstuffs).
  • said panel comprises a structural shell.
  • said structural shell is made of one or more of the following materials: Polystyrene (PS), High Impact Polystyrene (HIPS), Acrylonitrile Butadiene Styrene (ABS), Polymethyl Methacrylate (PMMA), Polypropylene (PP), Polyvinyl Chloride (PVC).
  • PS Polystyrene
  • HIPS High Impact Polystyrene
  • ABS Acrylonitrile Butadiene Styrene
  • PMMA Polymethyl Methacrylate
  • PP Polypropylene
  • PVC Polyvinyl Chloride
  • said panel comprises a filler.
  • said filler is a thermally insulating filler.
  • said filler is made of a material comprising polyurethane.
  • said panel comprises a reinforcing insert.
  • said reinforcing insert is applied between said structural shell and said filler.
  • the invention relates to a process for the production of insulating panels for vehicles suitable for the transport of materials in general, preferably for the transport of materials at controlled temperatures, in particular food transport (for example, perishable and non-perishable foods and foodstuffs).
  • said process comprises making a structural shell.
  • said structural shell is formed with one or more of the following materials: Polystyrene (PS), High Impact Polystyrene (HIPS), Acrylonitrile Butadiene Styrene (ABS), Polymethyl Methacrylate (PMMA), Polypropylene (PP), Polyvinyl Chloride (PVC).
  • PS Polystyrene
  • HIPS High Impact Polystyrene
  • ABS Acrylonitrile Butadiene Styrene
  • PMMA Polymethyl Methacrylate
  • PP Polypropylene
  • PVC Polyvinyl Chloride
  • said process comprises associating a reinforcing insert with said structural shell.
  • said process comprises preparing a filler.
  • said filler is a thermally insulating filler.
  • said filler is made of a material comprising polyurethane.
  • said filler is arranged in said structural shell.
  • the invention relates to a vehicle suitable for transporting materials in general, preferably for transporting materials at controlled temperatures, in particular food transport (for example, perishable and non- perishable foods and foodstuffs).
  • said vehicle comprises a chassis.
  • said vehicle comprises movement means.
  • said movement means are associated with said chassis.
  • said vehicle comprises a cargo compartment.
  • said cargo compartment is mounted on said chassis.
  • said cargo compartment is configured to accommodate foodstuffs.
  • said cargo compartment is delimited by one or more walls.
  • said vehicle comprises one or more panels according to the first aspect mentioned above.
  • each of said one or more panels is mounted on one or more respective walls.
  • the invention may comprise one or more of the following preferred features.
  • said structural shell has an abutment portion.
  • said abutment portion is configured for fixing said reinforcing insert.
  • said structural shell has a substantially concave shape.
  • said substantially concave shape defines a concave area.
  • said substantially concave shape defines a convex area.
  • said reinforcing insert is positioned in said concave area.
  • said filler is positioned in said concave area.
  • said abutment portion forms a recess in said structural shell.
  • said recess is substantially counter-shaped to said reinforcing insert.
  • said recess protrudes into said convex area.
  • said reinforcing insert has a substantially plate-like shape.
  • said reinforcing insert has a first face and a second face.
  • said second face of the reinforcing insert is opposite to said first face of the reinforcing insert.
  • the first face of the abutment insert faces said abutment portion.
  • said second face of said abutment insert faces said concave area.
  • said filler has a cavity.
  • said cavity is formed at said abutment portion.
  • said reinforcing insert is fixed at said cavity.
  • said reinforcing insert has a planar extension that is significantly smaller than said structural shell.
  • said filler has an internal face.
  • the internal face of said filler is partly in contact with said reinforcing insert.
  • the internal face of said filler is partly in contact with said structural shell.
  • said structural shell has a first face.
  • the first face of the structural shell faces said convex area.
  • said structural shell has a second face.
  • the second face of the structural shell faces said concave area.
  • the internal face of the filler is partly in contact with the second face of the structural shell.
  • the internal face of the filler is partly in contact with the second face of the reinforcing insert.
  • said reinforcing insert has a planar development substantially parallel to the planar development of the second face of the structural shell.
  • said reinforcing insert is held in position by said filler.
  • said reinforcing insert is made of metal, wood and/or other material.
  • making said structural shell comprises forming, in said structural shell, an abutment portion.
  • said reinforcing insert is associated with said structural shell so as to be positioned in said concave area.
  • said filler is arranged in said concave area.
  • said reinforcing insert is associated with said structural shell so that the first face of said reinforcing insert faces said abutment portion.
  • said reinforcing insert is associated with said structural shell so that the second face of said reinforcing insert faces said concave area.
  • said filler is arranged so that an internal face of said filler is partly in contact with said reinforcing insert.
  • said filler is arranged so that an internal face of said filler is partly in contact with said structural shell.
  • said filler is arranged so that the internal face of the filler is partly in contact with the second face of the structural shell.
  • said filler is arranged so that the internal face of the filler is partly in contact with the second face of the reinforcing insert.
  • said reinforcing insert is associated with said structural shell so that said reinforcing insert has a planar development substantially parallel to the planar development of the second face of the structural shell.
  • making said structural shell comprises thermoforming a sheet material.
  • making said structural shell comprises providing a thermoforming station.
  • thermoforming station comprises a substantially horizontal wall.
  • said substantially horizontal wall has an upper surface.
  • said substantially horizontal wall has a lower surface.
  • said wall has an opening.
  • said opening is a through opening.
  • said wall has a sealing element.
  • said sealing element is positioned on said upper surface.
  • said sealing element is positioned around said opening.
  • said opening and said sealing element define an operating position for said sheet material.
  • said material is a plastic material.
  • said plastic material comprises one or more of: Polystyrene (PS), High Impact Polystyrene (HIPS), Acrylonitrile Butadiene Styrene (ABS), Polymethyl Methacrylate (PMMA), Polypropylene (PP), Polyvinyl Chloride (PVC) and the like.
  • PS Polystyrene
  • HIPS High Impact Polystyrene
  • ABS Acrylonitrile Butadiene Styrene
  • PMMA Polymethyl Methacrylate
  • PP Polypropylene
  • PVC Polyvinyl Chloride
  • making said structural shell comprises bringing a mould to said operating position.
  • said mould is a motorized mould.
  • making said structural shell comprises thermoforming said sheet material.
  • thermoforming under controlled pressure conditions allows at least one thermoformed panel to be obtained.
  • preparing said filler comprises performing a foaming and a moulding of said thermoformed panel.
  • said foaming and said moulding allow said reinforcing insert to be interposed between said thermoformed panel and said insulating filler.
  • said vehicle comprises one or more fastening elements.
  • said one or more fastening elements are coupled to said panel at said reinforcing insert.
  • said vehicle comprises at least one of: a support element, an anchoring element, a thermal regulation device.
  • said at least one of a support element, an anchoring element, a thermal regulation device is fixed to said panel by means of said one or more fastening elements.
  • said one or more fastening elements pass through said structural shell and intercept said reinforcing element.
  • Figure 1 shows a block diagram of a plant in accordance with the present invention
  • Figure 2 shows a block diagram of a station of the plant of figure 1 ;
  • Figures 3a-3d show different operating configurations of the station of figure 2;
  • Figures 4a-4b show different configurations of another station of the plant of figure 1 ;
  • Figure 5a shows a schematic plan view of a detail of a station of the plant of figure 1 ;
  • Figure 5b shows a schematic side view of the detail of figure 5a
  • Figure 5c shows a schematic plan view of the detail of figure 5a in an operating condition
  • Figure 5d schematically shows a side view of the detail of figure 5b in an operating condition
  • Figures 6a-6b schematically show operating conditions of a station of the plant of figure 1 ;
  • Figure 7 schematically shows a vehicle on which panels, made using the plant of figure 1 , are used;
  • Figure 8a schematically shows a front view of an embodiment of a panel in accordance with the present invention
  • Figure 8b schematically shows a sectional view, along the X-X plane, of the panel of figure 8a;
  • Figure 8c schematically shows an enlarged partial view of figure 8b, in which the panel is in operating conditions
  • Figure 9 schematically shows an embodiment of a station of the plant of figure 1 ;
  • Figure 10 schematically shows an exemplary detail of a station of the plant of figure 1 ;
  • FIGS 11 a-11 b show a possible embodiment of some elements of the invention.
  • Figures 12a- 12b show a further possible embodiment of some elements of the invention.
  • 80 indicates an insulating panel in accordance with the present invention.
  • the panel 80 (figures 8a, 8b) comprises a structural shell 81 , made with one or more of the following materials: Polystyrene (PS), High Impact Polystyrene (HIPS), Acrylonitrile Butadiene Styrene (ABS), Polymethyl Methacrylate (PMMA), Polypropylene (PP), Polyvinyl Chloride (PVC) and the like.
  • PS Polystyrene
  • HIPS High Impact Polystyrene
  • ABS Acrylonitrile Butadiene Styrene
  • PMMA Polymethyl Methacrylate
  • PP Polypropylene
  • PVC Polyvinyl Chloride
  • the structural shell 81 is made through a thermoforming process, which will be described below.
  • the structural shell 81 has a substantially concave shape.
  • This substantially concave shape is defined by a generally planar area, and by a side wall, which extends in a substantially orthogonal direction from the perimeter of the generally planar area.
  • the substantially concave shape defines a concave area C1 and a convex area C2.
  • Panel 80 includes a thermally insulating filler 82.
  • the filler 82 is made of a material comprising polyurethane.
  • the filler 82 is obtained via a foaming and moulding operation, which will be described below.
  • the filler 82 is made in the concave area C1 of the structural shell 81 .
  • the panel 80 includes a reinforcing insert 83.
  • the reinforcing insert 83 is positioned between the structural shell 81 and the filler 82.
  • the reinforcing insert 83 is positioned in the concave area C1 of the structural shell 81 .
  • the reinforcing insert 83 is held in position by the filler 82.
  • the structural shell 81 has an abutment portion 8T to which the reinforcing insert 83 is fixed.
  • the abutment portion 8T has a substantially planar shape.
  • the abutment portion 8T can form a recess 84, substantially counter-shaped to the profile of the reinforcing insert 83. This recess protrudes into the convex area C2.
  • the abutment portion 81 ' can be associated with one or more ribs 85, which follow respective sides of the abutment portion 8T itself.
  • ribs 85 which follow respective sides of the abutment portion 8T itself.
  • an upper rib and a lower rib are schematically represented, suitable for coupling with two corresponding sides of the reinforcing insert 83.
  • the abutment portion 81' can present one or more protrusions 86, which can act as centering elements of the reinforcing insert 83 - which presents respective portions counter-shaped to such protrusions.
  • the reinforcing insert 83 is made of metallic material, for example aluminum.
  • the reinforcing insert 83 has a plate-like conformation, for example with a rectangular profile in a plan view.
  • the reinforcing insert 83 has a first face 83a and a second face 83b; the second face 83b being opposite the first face 83a.
  • the two faces 83a, 83b of the reinforcing insert 83 may be the two surfaces with the largest area of the plate-like conformation.
  • the first face 83a faces the recess; in short, the first face 83a is the one that abuts against the bottom of the recess.
  • the portion of the recess facing the first face 83a of the reinforcing insert 83 is substantially parallel to the prevalent planar development of the structural shell 81 ; for example, in the schematic of figure 8b, the recess portion facing the first face 83a of the reinforcing insert 83 is substantially vertical.
  • the second face 83b of the reinforcing insert 83 instead faces the concave area C1 , and in particular is covered by the filler 82.
  • the structural shell 81 has a first face 81 a and a second face 81 b.
  • the first face 81 a of the structural shell 81 faces the convex area C2, and the second face 81 b of the structural shell faces the concave area CI ,
  • the first face 81 a faces the outside of the panel 80, towards an environment that may be the cargo compartment 630 of a vehicle 600.
  • the reinforcing insert 83 has a significantly smaller planar extension than the structural shell 81 , and in particular than the second face 81 b of the structural shell 81 itself.
  • the filler 82 has an internal face 82a; this internal face 82a is partly in contact with the reinforcing insert 83 (in particular with the second face 83b of the latter) and partly in contact with the structural shell 81 (in particular with the second face 81 b of the latter).
  • the filler 82 entirely covers the surface formed by the second face 83b of the reinforcing insert and the second face 81 a of the structural shell.
  • the reinforcing insert 83 has a planar development substantially parallel to the planar development of the second face 81 b of the structural shell 81 .
  • Figures 11 a-11 b schematically show a possible embodiment of the panel 80, which can be advantageously used for lateral portions, substantially vertical, of a cargo compartment of a vehicle for the transport of materials in general, in particular materials at controlled temperatures, such as for example food transport.
  • figure 11 a schematically shows a perspective view, sectioned according to a plane substantially orthogonal to the prevalent planar development of the structural shell 81
  • figure 11 b shows the sectional view thus obtained.
  • the filler 82 can be observed in contact with the second face 81 b of the structural shell 81 and with the reinforcing insert 83.
  • the filler 82 has a cavity, and the reinforcing insert 83 is fixed at this cavity.
  • the reinforcing insert 83 can be initially glued to the second face 81 b of the structural shell 81 , at the abutment portion 8T, and subsequently (after the foaming phase which will be better described later) is held in position by the filler 82.
  • the object 88 is positioned at this cavity.
  • the latter can be, for example, a rack, to which the load located inside the vehicle cargo compartment can be fixed.
  • the object 88 is fixed to the reinforcing insert 83, passing through the structural shell 81, by means of suitable fastening means 87 (e.g. screws or dowels).
  • the cavity may be delimited by a pair of expansions 84”, formed in the structural shell 81 on opposite sides with respect to the object 88.
  • the two expansions 84” may be positioned one at a higher level (therefore above), and the other at a lower level (therefore below) with respect to the object 88.
  • the portion of the structural shell 81 that is located between the two expansions 84 i.e. the abutment portion 81', constitutes a depression in the filler 82.
  • Figures 12a- 12b schematically show a possible embodiment of the panel 80, which may be advantageously used for the roof (substantially horizontal), of a vehicle cargo compartment for the transport of materials in general, in particular materials at controlled temperatures, such as for example food transport.
  • figure 12a schematically shows a perspective view, sectioned according to a plane substantially orthogonal to the prevalent planar development of the structural shell 81
  • figure 12b shows the sectional view thus obtained.
  • most of the elements already described in figures 8a-8c and 11 a-11 b can be observed: the structural shell 81, the filler 82, the reinforcing insert 83, the fastening means 87 and the object 88.
  • the reinforcing insert 84 is accommodated in a recess 84, formed by the structural shell 81 , at the abutment portion 8T, in a manner similar to that already shown in figure 8c (i.e. with a concavity that protrudes into the convex area C2); preferably, in this case the ribs 85 are not present.
  • the object 88 can be a hook, shaped like a C, which can be used to support/hang loads present in the vehicle cargo compartment.
  • Figure 1 schematically shows a plant that can be used to produce panel 80.
  • the plant 1 ( Figure 1) includes a thermoforming station 100.
  • thermoforming station 100 has the task of giving the panels the desired shape.
  • thermoforming station 100 ( Figures 1 , 4a-4b, 5a-5d, 6a-6b) includes an automated loading device 110, configured to pick up a sheet material 2 from a loading position P1 and position such material 2 in an operating position P2.
  • a plurality of stacked sheets are initially positioned in the loading position P1. This operation can be carried out manually or in an automated manner.
  • the automated loading device 110 made for example as a set of automated motorized suction cups, takes care of picking up and positioning, one at a time, the sheets in the operating position P2, so that they can be subjected to the thermoforming operation.
  • the material of the sheet 2 is a plastic material comprising one or more of: Polystyrene (PS), High Impact Polystyrene (HIPS), Acrylonitrile Butadiene Styrene (ABS), Polymethyl Methacrylate (PMMA), Polypropylene (PP), Polyvinyl Chloride (PVC) and the like.
  • PS Polystyrene
  • HIPS High Impact Polystyrene
  • ABS Acrylonitrile Butadiene Styrene
  • PMMA Polymethyl Methacrylate
  • PP Polypropylene
  • PVC Polyvinyl Chloride
  • thermoforming station 100 comprises a substantially horizontal wall 101 (figures 5a-5d, 6a-6b).
  • the wall 101 has a through opening 102.
  • the wall 101 is designed as a frame, in the internal part of which there is the opening 102.
  • the wall 101 has an upper surface 101 a and a lower surface 101 b.
  • a sealing element 103 is arranged on the upper surface 101 a, around the opening 102.
  • the sealing element 103 can be designed as a gasket, substantially continuous around the perimeter of the opening 102.
  • the opening 102 has smaller dimensions than the sheet material 2.
  • the opening 102 and the sheet material 2 have reciprocal shapes and dimensions such that, when the material 2 is placed on the upper surface 101 a of the wall 101 , it completely closes the opening 102.
  • the opening 102 and the sealing element 103 define the operating position P2 for the sheet material 2.
  • the material 2 is in the operating position P2 when it rests on the upper surface 101 a, and in particular on the sealing element 103, so as to completely cover the opening 102. Thanks to the adhesion between the material 2 and the sealing element 103 (preferably obtained by means of suitable clamps, which tighten the material 2 on the wall 101), the opening 102 is substantially sealed.
  • the material 2 in the operating position P2 creates a sealed separation between a region of space R1 above the material 2 (therefore facing the upper surface 101 a of the wall 101) and a region of space R2 below the material 2 (therefore facing the lower surface 101b of the wall 101).
  • the space region R2 below the material 2 is delimited by a structure 104 with a sealed closure, associated with the wall 101 , schematically represented in figures 6a-6b.
  • the motorized mould 130 (which will be described later) is located inside this structure 104.
  • the thermoforming station 100 also comprises a heating member 120, made for example as a pair of heating walls 121, 122.
  • a heating wall 121 is arranged at a higher level than the wall 101 (therefore with respect to the sheet material 2 in the operating position P2), and a heating wall 122 is arranged at a lower level than the wall 101 (therefore with respect to the sheet material 2 in the operating position P2).
  • Each heating wall 121, 122 can be driven between a distal position PD and a proximal position PP with respect to the operating position P2.
  • each heating wall 121, 122 by means of respective movement members, is brought to the operating position P2 when a sheet must be heated, up to its softening temperature, for thermoforming.
  • the heating walls 121 , 122 are arranged horizontally, substantially parallel to the ground, and are moved horizontally, to be moved between the distal position PD and the proximal position PP.
  • Figure 4a shows schematically, according to a simplified lateral view, the heating walls 121, 122 in the proximal position PP, when the sheet material 2 rests on the wall 101 , in the operating position P2;
  • Figure 4b shows schematically, according to a simplified lateral view, the heating walls 121 , 122 in the distal position PD, when there is no sheet material in the operating position P2.
  • the lower heating wall 122 (together with the respective movement members) is contained within the structure 104; in particular, when it is in the proximal position PP, the lower heating wall 122 is interposed between the motorized mould 130 (which in this case is not operational, and is in the rest position schematically shown in Figure 6a) and the horizontal wall 101 - that is, between the motorized mould 130 and the sheet material 2.
  • the lower heating wall 122 When the lower heating wall 122 is in the distal position PD, it does not interfere with the vertical movement of the motorized mould 130, so that the latter can reach the operating position schematically shown in Figure 6b.
  • the heating walls 121, 122 are composed of quartz resistors, mounted inside reflective parabolas to increase the degree of radiation and to limit heat dispersion.
  • the heating walls 121 , 122 are equipped with an infrared pyrometer, capable of reading the temperature of the sheet so as to allow the processing cycle to proceed once the set temperature has been reached.
  • the Applicant notes that the pyrometer allows to save time during the machine start-up and to have the sheets always formed at the same temperature.
  • the heating member 120 has distinct areas that can be heated selectively. More specifically, it is possible to adjust the power of each individual resistor or of individual groups of resistors that are part of the heating walls 121 , 122. For example, the power of each individual resistor of the upper heating wall 121 can be adjusted, while the adjustment of the resistors of the lower heating wall 122 can be performed in pairs.
  • an energy monitoring technique which allows to reduce the consumption of electrical energy when the heating walls are in the distal position PD.
  • the heating time can be between 1 min and 20 min, for example between 3 min and 5 min.
  • thermoforming temperature for example between 120° C and 230 °C
  • the heating member 120, and in particular the heating walls 121 , 122 is returned to the distal position PD.
  • the thermoforming station 100 comprises a first pressure system 140, configured to operate on the operating position P2 so that at least part of the thermoforming occurs under controlled pressure conditions.
  • the first pressure system 140 is configured to operate after the heating member 120 has softened the sheet material 2, in particular after the heating member 120 itself has returned to the distal position PD.
  • the first pressure system 140 is configured to generate, in a first phase, a higher pressure in the space region R2 below the material than in the space region R1 above the material 2.
  • the first pressure system 140 is configured to blow pressurized air (with a temperature of approximately 50-80 °C) into the region R2, below the material 2. Due to the seal between the material 2 and the sealing element 103, this flow of air does not pass into the upper region R1 and tends to swell the material 2.
  • the first pressure system 140 operates, preferably, only in the lower region R2, while the upper region R1 remains at ambient pressure.
  • thermoforming station 100 comprises a motorized mould 130 which, at this point in the process, is brought to the operating position P2 in order to thermoform the sheet material 2.
  • the motorized mould 130 is configured to move, in a second phase, into contact and sealed against the lower surface 101b of the wall 101 , facing the opening 102.
  • the second phase is preferably subsequent to the first phase.
  • the motorized mould 130 in addition to respective movement members to be able to move to the positions envisaged by the process, is equipped with one or more shapes, which define the profile to be given to the material 2 in the thermoforming phase.
  • the motorized mould 130 can be equipped with a single shape; in this case, the sheet of material 2 located in the operating position P2 will be used to produce a single panel.
  • the motorized mould 130 can be equipped with two or more shapes; in this case, the sheet of material 2 located in the operating position P2 will be used to produce two or more panels.
  • the thermoforming station 100 includes one or more separation bars. These one or more separation bars are associated above the sheet material 2 so that, under the action of the first pressure system 140, a number of bulges is formed equal to the number of shapes present on the motorized mould 130 - therefore equal to the number of panels that must be produced with the sheet of material 2 present in the operating position P2.
  • the Applicant observes that, within these bulges, the material flows into lateral areas.
  • one of the shapes present (or the shape present) on the motorized mould 130 is shaped so as to create, on the thermoformed panel that will result from it, the abutment portion 8T for the reinforcing insert 83.
  • the shape of the motorized mould 130 is counter-shaped to the profile of the abutment portion to be obtained.
  • a sealing element such as a gasket, is arranged around the perimeter of the area of the motorized mould 130 that carries the shape(s) to be attributed to the material 2.
  • the area that carries the shape(s) has smaller dimensions than the opening 102, while the perimeter described by the sealing element of the motorized mould is larger than the opening 102; in this way, when the motorized mould 130, in the second phase, is brought into contact with the lower surface 101 b of the wall 101 , the shapes pass through the opening 102 so as to be in position to interact with the material 2, while the sealing element of the motorized mould 130 abuts against the lower surface 101 b of the wall 101 thus creating a sealed support.
  • the first pressure system 140 is deactivated.
  • thermoforming station 100 comprises a second pressure system 141 , associated with the motorized mould 130.
  • the second pressure system 141 is configured to operate in the second phase, i.e. when the motorized mould 130 is in contact with the lower surface 101 b of the wall 101.
  • the second pressure system 141 is configured to create, in an internal space area delimited by the material 2 and the motorized mould 130, a lower pressure than in a space area external to said internal space area.
  • the sheet material 2 (sealed against the sealing element 103 present on the upper surface 101 a of the wall 101) and the motorized mould 130 (sealed against the lower surface 101 b of the wall 101) form an internal space area, delimited above by the bulge (or bulges) of the material 2 and below by the motorized mould 130.
  • the shapes present on the motorized mould 130 are located within this internal space area.
  • the external area is substantially that which is located above the swollen material 2, and is substantially at ambient pressure.
  • Each of the shapes present on the motorized mould 130 is equipped with a plurality of through holes, arranged in an appropriate manner, connected to the second pressure system 141.
  • the second system 141 through such through holes, creates a depression in the aforementioned internal space area, so that the previously softened and swollen sheet material 2 adheres to the surface of the shapes.
  • the material 2 then cools off and hardens.
  • a jet of air can also be used.
  • a third phase is then carried out, in which the material 2 is removed from the motorized mould 130.
  • the second pressure system 141 generates a flow of pressurized air directed from the motorized mould 130, and in particular from the shapes present on the same, towards the material 2, through the aforementioned through holes. In this way, the detachment of the thermoformed material 2 from the motorized mould 130 is facilitated.
  • thermoforming station 100 is slaved to a control unit (not illustrated) configured to: receive input data indicative of panels to be thermoformed; select, based on such input data, a set of parameters associated with the panels to be thermoformed; control the thermoforming station 100 based on the selected set of parameters.
  • a control unit not illustrated
  • thermoforming station 100 is configured to output thermoformed sheets 3, from which a set of thermoformed panels 4 are then obtained.
  • thermoforming station 100 which, by thermoforming the sheet 2, provides a thermoformed sheet 3.
  • thermoformed sheet 3 is trimmed in a trimming station 200 and tipped and cleaned in a tipping and cleaning station 300.
  • the trimming operation can preferably be performed by a five-axis CNC machine.
  • the plane of such a CNC machine is formed by a grid 201 ; for example, the grid 201 comprises a plurality of tubular elements 201 , preferably made of steel (figure 10).
  • the scrap resulting from the trimming operation should be cut into portions small enough to fall into the empty spaces 203 of the grid 201 , so as not to interfere with subsequent operations and to be able to be removed.
  • the scrap is sometimes of significant size and, in order to be reduced to sufficiently small pieces, it would require a lapse of time which is incompatible with the rest of the process, and in particular with the time necessary for the thermoforming operation performed with the thermoforming station 100.
  • thermoformed sheet 3 is a single sheet, through which different panels can be obtained.
  • the thermoformed sheet 3 having, for example, three panel shapes, is directed into the trimming station 200 and is transformed into three panels 41 , 42 and 43.
  • thermoformed panels 41 , 42, 43 constitutes the structural shell 81 of the aforementioned insulating panel 80.
  • the set of panels 41 , 42 and 43 forms a package or assembly of panels 4 which is directed towards the tipping and cleaning station 300 where the panels are tipped and cleaned.
  • the package of, for example, three panels 41 , 42 and 43 is directed to the storage bays 400 in stock.
  • a trimming station 200 is provided downstream of the thermoforming station 100.
  • each thermoformed sheet may coincide with a thermoformed panel, or comprise a multiplicity of thermoformed panels.
  • the trimming station 200 will have the task of trimming the edges; in the second case, the trimming station 200 will also separate the various panels that are part of each thermoformed sheet.
  • the waste material is collected automatically, for example by a motorized belt placed under the area where the cutting/trimming operation is carried out, and recycled.
  • a tipping and cleaning station 300 is provided downstream of the trimming station 200, and more generally downstream of the thermoforming station 100, as mentioned.
  • thermoformed panels 41 , 42 and 43 can, for example, be turned with the concave surface downwards (in the case of a positive mould in a thermoforming machine) and the shavings from the processing may still be present. It is therefore advisable to carry out a cleaning and tipping operation, to facilitate the subsequent storage and foaming operations.
  • a pick-up system collects the thermoformed panels 41 , 42 and 43 from the trimming station 200 and places them into a closed box.
  • the thermoformed panels 41 , 42 and 43 are tipped with the help of a robotic arm equipped with grippers and/or suction cups.
  • the cleaning member 320 designed for example as a suction system) removes the residual shavings from the processing and the excess material.
  • the tipping and cleaning station 300 includes a robotic member 310 to perform a tipping of the thermoformed panels 41 , 42 and 43; in practice, the thermoformed panels 41 , 42 and 43 are rotated by 180° around a horizontal axis.
  • the panels are with the concavity facing downwards, following the tipping carried out in the station 300 they are with the concavity facing upwards - an arrangement that promotes the subsequent foaming operation.
  • the panels are already arranged with their concavity facing upwards, in the tilting and blowing station; the panels will only be blown and tilted to make the residual shavings fall before being returned to the original position without being tilted by 180°.
  • the tilting and cleaning station 300 is also advantageously equipped with a cleaning member 320, to suck up waste material from the assembly of thermoformed panels 4, and prevent such waste material (deriving from previous processes) from interfering with the subsequent foaming operation.
  • the tilting and cleaning station 300 is interposed between the trimming station 200 and the foaming station 500 which will be described later.
  • the plant 1 comprises one or more storage bays 400, interposed between the thermoforming station 100 and the foaming station 500. More specifically, the storage bays 400 are interposed between the tipping and cleaning station 300 and the foaming station 500.
  • the storage bays 400 are equipped with automated movement members 410 that allow each bay to move into position to accommodate the set of thermoformed panels 4 that a robotic arm picks up from the tipping station 300.
  • the storage operation is useful because foaming (which will be described later) requires a longer time than thermoforming/trimming/tipping operations.
  • thermoformed panels 4 is picked up by a pick-up system (for example, a pick-up system is a device that ideally moves in a system of Cartesian axes X and Y with a horizontal and a vertical direction) that places it in the assigned storage bay 400; the bay is automatically brought into position by a translation system on rails.
  • a pick-up system also allows the bay to translate vertically along the vertical axis as well.
  • the bays preferably translate only horizontally, the movable bridge on which the pickup deposits the part instead translates vertically to bring the panels to the desired drawer height.
  • the plant 1 comprises a foaming station or area 500.
  • the station or foaming area 500 is located downstream of the thermoforming station 100 and, more specifically, downstream of the storage bays 400.
  • the foaming station 500 is made up of one or more presses, for example three presses.
  • Each of these presses comprises a lower plate 510, an intermediate plate 520 and an upper plate 530.
  • Each of the plates 510, 520, 530 extends substantially along a horizontal plane.
  • the intermediate plate 520 is shaped at the top to accommodate the thermoformed panels 41-42-43.
  • the upper plate 530 is shaped at the bottom to form, in cooperation with the intermediate plate 520, a mould for thermoformed panels 41 , 42, 43 after the latter have been subjected to the foaming operation.
  • the lower plate 510 is shaped at the top to accommodate thermoformed panels 71 , 72, 73.
  • the intermediate plate 520 is shaped at the bottom to form, in cooperation with the lower plate 510, a mould for the thermoformed panels 71 , 72, 73 after the latter have been subjected to the foaming operation.
  • the foaming station 500 comprises a foaming member 540, configured to perform foaming on the thermoformed panels 41 , 42, 43 accommodated in the intermediate plate 520, and on the thermoformed panels 71 , 72, 73 accommodated in the lower plate 510. In this way, foamed thermoformed panels 41', 42', 43' and foamed thermoformed panels 71', 72', 73' are obtained, respectively. With reference to the thermoformed panel that constitutes the structural shell 81 of the insulating panel 80, the insulating filler 82 is created through the foaming operation.
  • the foaming member 540 is composed of a double-head foaming machine.
  • One of the foaming heads is moved automatically on a Cartesian manipulator, while the other can be moved by an operator via a motorized trolley.
  • the head moved by the Cartesian manipulator is used for open-mould foaming (better described later), while the second is used for closed-mould moulding (if necessary, for example in the case of so-called "sandwich panels”).
  • the foaming member 540 also comprises two or more reservoirs to contain the substances necessary for the formation of the foam.
  • polyol and isocyanate are stored in suitable steel reservoirs.
  • Such reservoirs are thermoregulated; in fact, there is a resistor in the reservoir jacket to heat a specific fluid in order to keep the reagents at a controlled temperature.
  • the reagents are injected into a high-pressure dosing unit, using special recipes designed and recalled as needed.
  • the reagents then pass into the high-pressure mixing heads where they are mixed so as to be able to deliver the foam (e.g. polyurethane) onto the assembly of thermoformed panels 4 and onto the assembly of thermoformed panels 7.
  • the foaming station 500 comprises, for each press, movement members 550, active on the lower plate 510 and on the intermediate plate 520.
  • the lower plate 510 is movable horizontally and vertically.
  • the intermediate plate 520 is movable horizontally and vertically.
  • the upper plate 530 is preferably fixed (for example mounted on a chassis integral with the ground).
  • each plate 510, 520, 530 is made of solid perforated steel.
  • each plate 510, 520, 530 is heated with water, at a maximum temperature of approximately 70-80° C and a maximum pressure of approximately 10 bar.
  • the heating water flows inside the plates through suitable channels obtained during the manufacturing phase of the plates themselves.
  • trolleys are provided; for the vertical movement of the intermediate plate 520 and lower plate 510, a piston system is provided.
  • the foaming station 500 includes a control unit 560, configured to control the movement members 550 to perform different phases within the foaming operation.
  • the plates 510, 520, 530 are initially aligned vertically, as schematically shown in figure 2.
  • the area in which the plates are located in this configuration is identified as the operating area Z0.
  • the intermediate plate 520 is moved from the operating area Z0 to a loading area Z1 where it receives the thermoformed panels 41 , 42, 43 (figure 3a). This movement is preferably rectilinear and horizontal.
  • the intermediate plate 520 which at this point accommodates the thermoformed panels 41 , 42, 43, is returned to the operating area Z0. During this movement, the foaming member 540 dispenses foam onto the thermoformed panels 41, 42, 43.
  • thermoformed panels 41 , 42, 43 are finished, and thermoformed foamed panels 4T, 42', 43' were thus obtained.
  • the intermediate plate 520 is then moved vertically, so as to close onto the upper plate 530 (figure 3b).
  • figure 3b schematically shows the intermediate plate 520 in contact with the upper plate 530.
  • the intermediate plate 520 is closed onto the upper plate 530 by the vertical movement of the lower plate 510, that is, as a result of making the configuration in figure 3d.
  • the intermediate plate 520 preferably closes on the upper plate 530 when the intermediate plate 520 itself is coupled with the lower plate 510.
  • the cooperation between the intermediate plate 520 and the upper plate 530 forms a mould for the foamed thermoformed panels 41', 42', 43'.
  • the intermediate plate 520 is moved away from the upper plate 530 and the finished product can be removed.
  • the lower plate 510 is moved from the operating area ZO to the loading area Z1 (figure 3b). This movement is preferably rectilinear and horizontal. Preferably, this movement occurs while the intermediate plate 520 is returning from the loading area Z1 to the operating area Z0.
  • thermoformed panels 71 , 72, 73 are loaded onto the lower plate 510.
  • the lower plate 510 is then returned to the operating area Z0 (figure 3c). During this movement, the foaming member 540 performs the foaming operation on the thermoformed panels 71 , 72, 73. As mentioned, in this way the foamed thermoformed panels 7T, 72', 73' were obtained.
  • the lower plate 510 can then be moved vertically upwards, until it closes on the intermediate plate 520 and forms, as mentioned, a mould for the foamed thermoformed panels 7T, 72', 73' (figure 3d).
  • the lower plate 510 is lowered and brought to the area Z1 and the finished product can be unloaded.
  • the lower plate 510 is also suitable for pushing the intermediate plate 520 against the upper plate 530; thus, with a single movement, the closing of the mould formed by the intermediate plate 520 and the upper plate 530 (for thermoformed foamed panels 4T, 42', 43'), and the closing of the mould formed by the lower plate 510 and the intermediate plate 520 (for thermoformed foamed panels 7T, 72', 73') are achieved.
  • thermoformed panel assembly 4 and thermoformed panel assembly 7 by means of a moving head attached to a Cartesian manipulator.
  • the Applicant notes that this solution provides important advantages over processes belonging to the state of the art; in fact, the latter typically involve foam injection from a single point with a closed mould, a technique with which, however, the foam is not able to homogeneously reach all areas of the artefact, both because of geometries that may present irregularities, and because as the polyurethane exits the injector head it begins to polymerize, increasing its viscosity and making its path to the more distant areas more difficult. Otherwise, by injecting with an open mould, the foam is homogeneously deposited over the entire affected area, and during curing the direction of expansion is mainly in height.
  • the foaming operation can be entirely automated; the path, the quantity of foam to be deposited and the working parameters are pre-stored and recalled according to the specific operation to be performed.
  • the foaming member 540 can be moved above the thermoformed panels to be foamed according to preset paths, so as to perform a foaming of such thermoformed panels.
  • the preset paths are selected, for each panel or set of panels, according to input data associated with the panels on which the foaming is to be performed.
  • the input data can be entered by an operator, via a suitable user interface.
  • the lower plate 510 and/or the intermediate plate 520 can also be moved in an additional area Z2.
  • the additional area Z2 is preferably located on the opposite side of the operating area ZO with respect to the loading area Z1 .
  • the loading area Z1 is preferably interposed between the operating area ZO and the additional area Z2.
  • the additional area Z2 can be used for positioning the reinforcing insert 83, in particular at the abutment portion 81 ' of the structural shell 81.
  • the reinforcing insert 83 is positioned before the foaming operation is performed, so that the reinforcing insert 83 itself remains interposed in position between the filler 83 and the structural shell 81.
  • Such panels can be conveniently used for vehicles suitable for transporting materials at controlled temperatures, such as food transport.
  • a vehicle 600 suitable for transporting materials preferably at a controlled temperature is schematized in figure 7.
  • the vehicle 600 can comprise a chassis 610, handling means 620 (engine, transmission, wheels, etc.) associated with the chassis 610 and a cargo compartment 630 mounted on the chassis 610 itself.
  • the cargo compartment 630 is configured to contain the materials I objects to be transported (e.g. foodstuffs) at a controlled temperature.
  • the vehicle 600 also comprises a refrigeration system associated with the cargo compartment 630; or, the cargo compartment 630 could be, for example, part of the chassis 610.
  • the refrigeration system is configured to maintain the cargo compartment 630 at a controlled temperature.
  • the cargo compartment 630 is delimited by one or more walls 631 ; one or more of these walls may comprise or be formed by respective insulating panels 80, made as described above.
  • an insulating panel 80 may be fixed, in a manner known per se, to one of the walls 631 , so that the concave area C1 (filled by foaming) faces and is in contact with the wall 631 itself.
  • one or more fastening elements 87 are provided (figure 8c), coupled to the insulating panel 80 at the reinforcing insert 83.
  • the fastening elements 87 may be screws, dowels, rivets, etc.
  • the fastening elements 87 are installed so as to pass through the structural shell 81 and intercept the reinforcing element 83.
  • a support element e.g. a shelf
  • an anchoring element e.g. a slot or hook for fastening straps
  • a thermal regulation device e.g. a refrigeration apparatus
  • the insulating panels made in accordance with the present invention allow the stable and reliable fixing of shelves, slots, etc. inside the cargo compartment of a vehicle suitable for transporting food.
  • panels are made precisely, accurately, and repeatably by automating most of the operations performed.
  • Another advantage is that, by virtue of the technical solutions covered by the invention, multiple sheets/panels can be processed substantially simultaneously, significantly increasing production efficiency.
  • open-mould foaming allows for controlled and homogeneous distribution of the foam, thus achieving panels with homogeneous properties along their entire extent.
  • An additional advantage lies in the fact that the materials used are fully recyclable, with clear positive effects on production costs and environmental impact.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

L'invention concerne un panneau isolant pour véhicules approprié pour le transport de matériaux, en particulier approprié pour le transport de matériaux à des températures contrôlées, comprenant : une enveloppe structurale (81) constituée d'un ou de plusieurs des matériaux suivants : le polystyrène (PS), le polystyrène choc (HIPS), l'acrylonitrile butadiène styrène (ABS), le polyméthacrylate de méthyle (PMMA), le polypropylène (PP), le polychlorure de vinyle (PVC) ; une charge thermiquement isolante (82), réalisée dans un matériau comprenant du polyuréthane ; un insert de renfort (83), appliqué entre ladite enveloppe structurale (81) et ladite charge (82).
PCT/IB2025/052347 2024-03-04 2025-03-04 Panneau isolant pour véhicules appropriés pour le transport de matériaux, de préférence pour le transport de matériaux à une température contrôlée, procédé de production dudit panneau et véhicule approprié pour le transport de matériaux, de préférence pour le transport de matériaux à une température contrôlée équipée dudit panneau Pending WO2025186723A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CHCH000236/2024 2024-03-04
IT102024000004723 2024-03-04
IT202400004723 2024-03-04
CH000236/2024A CH721630A2 (it) 2024-03-04 2024-03-04 Pannello isolante per veicoli atti al trasporto di materiali, preferibilmente a temperatura controllata e relativo procedimento per la produzione

Publications (2)

Publication Number Publication Date
WO2025186723A1 true WO2025186723A1 (fr) 2025-09-12
WO2025186723A8 WO2025186723A8 (fr) 2025-10-02

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PCT/IB2025/052347 Pending WO2025186723A1 (fr) 2024-03-04 2025-03-04 Panneau isolant pour véhicules appropriés pour le transport de matériaux, de préférence pour le transport de matériaux à une température contrôlée, procédé de production dudit panneau et véhicule approprié pour le transport de matériaux, de préférence pour le transport de matériaux à une température contrôlée équipée dudit panneau

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Country Link
WO (1) WO2025186723A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0787643A1 (fr) * 1995-08-22 1997-08-06 Toray Industries, Inc. Panneau et compartiment de fret pour camion
WO2002009934A1 (fr) * 2000-07-28 2002-02-07 Durakon Industries, Inc. Structure de panneau a noyau de mousse rigide
US20050042432A1 (en) * 2003-08-20 2005-02-24 Jones John M. Liner panel having barrier layer
CN202368687U (zh) * 2011-09-26 2012-08-08 蓝星(北京)化工机械有限公司 冷藏、调温车厢体及车厢
US20170190363A1 (en) * 2014-12-08 2017-07-06 Schmitz Cargobull Ag Insulating Panel for a Commercial Vehicle Superstructure and Commercial Vehicle with a Commercial Vehicle Superstructure
US20190100126A1 (en) * 2017-10-04 2019-04-04 Fg Products, Inc. Divider panel systems and methods for their manufacturing and installation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0787643A1 (fr) * 1995-08-22 1997-08-06 Toray Industries, Inc. Panneau et compartiment de fret pour camion
WO2002009934A1 (fr) * 2000-07-28 2002-02-07 Durakon Industries, Inc. Structure de panneau a noyau de mousse rigide
US20050042432A1 (en) * 2003-08-20 2005-02-24 Jones John M. Liner panel having barrier layer
CN202368687U (zh) * 2011-09-26 2012-08-08 蓝星(北京)化工机械有限公司 冷藏、调温车厢体及车厢
US20170190363A1 (en) * 2014-12-08 2017-07-06 Schmitz Cargobull Ag Insulating Panel for a Commercial Vehicle Superstructure and Commercial Vehicle with a Commercial Vehicle Superstructure
US20190100126A1 (en) * 2017-10-04 2019-04-04 Fg Products, Inc. Divider panel systems and methods for their manufacturing and installation

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