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WO2021096356A1 - Unité de conditionnement ayant des nervures et procédé permettant de conditionner des produits - Google Patents

Unité de conditionnement ayant des nervures et procédé permettant de conditionner des produits Download PDF

Info

Publication number
WO2021096356A1
WO2021096356A1 PCT/NL2020/050709 NL2020050709W WO2021096356A1 WO 2021096356 A1 WO2021096356 A1 WO 2021096356A1 NL 2020050709 W NL2020050709 W NL 2020050709W WO 2021096356 A1 WO2021096356 A1 WO 2021096356A1
Authority
WO
WIPO (PCT)
Prior art keywords
packaging unit
ribs
unit according
compartments
packaging
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.)
Ceased
Application number
PCT/NL2020/050709
Other languages
English (en)
Inventor
Sandor Klaas Veenje
Jelmer Gerhard Jan VAN DER MEIJ
Hendrik Freerk Kloosterman
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.)
Huhtamaki Molded Fiber Technology BV
Original Assignee
Huhtamaki Molded Fiber Technology BV
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
Application filed by Huhtamaki Molded Fiber Technology BV filed Critical Huhtamaki Molded Fiber Technology BV
Priority to EP20811768.9A priority Critical patent/EP4058379B1/fr
Priority to US17/775,212 priority patent/US20220411173A1/en
Publication of WO2021096356A1 publication Critical patent/WO2021096356A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
    • B65D85/32—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for eggs
    • B65D85/324—Containers with compartments made of pressed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B23/00—Packaging fragile or shock-sensitive articles other than bottles; Unpacking eggs
    • B65B23/02—Packaging or unpacking eggs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
    • B65D1/34—Trays or like shallow containers
    • B65D1/36—Trays or like shallow containers with moulded compartments or partitions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/14—Non-removable lids or covers
    • B65D43/16—Non-removable lids or covers hinged for upward or downward movement
    • B65D43/162—Non-removable lids or covers hinged for upward or downward movement the container, the lid and the hinge being made of one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/46—Applications of disintegrable, dissolvable or edible materials
    • B65D65/466—Bio- or photodegradable packaging materials

Definitions

  • the present invention relates to a packaging unit made of moulded pulp for products like eggs and similar products like kiwis and tomatoes, for example.
  • Such packaging unit may also relate to cases, boxes, cups, plates, carriers, sip lids etc.
  • Egg cases, containers or cartons are known in practice and are generally fabricated from carton made from moulded pulp originating from paper material.
  • Such packaging units comprise a bottom part that is provided with compartments for individual products, and a cover part that is often hingedly connected to the bottom part. Eggs, or other products, are transported and displayed in these packaging units.
  • WO 2015/160248 A1 discloses a packaging unit comprising such bottom and cover part, and is provided with a hinge connecting both parts and a lock that is configured for locking the cover part and the bottom part in a closed position of the packaging unit.
  • packaging units During transport, storage and display the packaging units are confronted with loads that may damage the packaging units and/or the products inside these packaging units. To withstand these loads, conventional packaging units have to be provided with sufficient strength, thereby requiring a certain amount of packaging material. This results in high packaging costs.
  • the present invention has for its object to obviate or at least reduce the above stated problems in conventional packaging units such as egg cases or egg cartons, and to provide a packaging unit with improved strength and stability.
  • the present invention provides for this purpose a packaging unit according to the invention from a moulded pulp material for products like eggs, the packaging unit comprising: a cover part comprising top, front, side and rear surfaces; and a bottom part comprising a number of compartments for individual products, and a number of cones that are positioned between adjacent compartments; wherein the bottom part comprising a number of ribs extending between at least some of the compartments, wherein the bottom part further comprises a groove between adjacent compartments, and wherein the grooves are configured to receive part of the ribs of another packaging unit.
  • Having a packaging unit with a bottom part and a cover part made of moulded pulp enables transport and display of products without damaging the products. This is especially relevant in case of vulnerable products like eggs. This is also relevant in the transport of empty packaging units that often takes place in stacks of packaging units in an open position.
  • the cover part is hingedly connected to the bottom part on the rear side thereof.
  • a lock is provided comprising a first locking element on the bottom part, such as a cam or edge, and a second locking element in the cover part, such as an opening, that is configured for receiving the first locking element.
  • the cone shaped element (partly) separates adjacent compartments and preferably supports the product(s).
  • the cone shaped element may comprise a cone and/or equivalent separator between adjacent compartments.
  • the bottom part further comprises a groove between adjacent compartments, wherein the grooves are configured to receive (at least a) part of the ribs of another packaging unit.
  • Providing a groove enables improvement of the stacking stability of packaging units in an open position.
  • Packaging units are often stored and/or stacked in open position before being filled with the product(s). Due to the groove being configured for receiving the rib, or at least a part of such rib, provides an aligning effect and an improved stability.
  • the groove is configured such that a clamping force acts on a rib that protrudes the groove. Experiments showed that even a small clamping force increases the stability of a stack without hindering the handling operation of the packaging units. This improves storage and transport of (empty) packaging units.
  • At least the adjacent compartments at the sides of the packaging unit are provided with a groove.
  • the grooves are configured to support the ribs of another packaging unit in a stack of packaging units. Especially in a stack of packaging units in an open position this improves the stability of the stack. More preferably, the shape of the grooves substantially corresponds to the shape of the (part of) the rib that is received and supported in the groove.
  • the bottom part further comprises a number of ribs extending between at least some of the compartments, and wherein the ribs are provided with a V-shaped cross-section.
  • Providing ribs between adjacent compartments with a V-shaped cross-section increases the strength of the packaging unit.
  • This is also an advantage for a stack of packaging units.
  • a stack may comprise more packaging units without damaging the (lower) packaging units in the stack. This reduces storage, transport and/or handling costs of the packaging units.
  • the V-shape provides a self-seeking or self-aligning effect when stacking packaging units according to the invention. This renders handling, specifically stacking, of the packaging units easier. As a further effect denesting of the packaging units is easier. This further improves handling op the packaging units, specifically the stacking and unstacking thereof.
  • the ribs have a height in the range of 5-12 mm, more preferably in the range of 6-10 mm, and most preferably in the range of 7-8 mm.
  • the ribs are provided with a V-shape in length direction of the ribs.
  • Providing ribs with a V-shaped in length direction of the ribs further increases the strength of the packaging unit.
  • the V -shaped rib as seen in length direction of the ribs are preferably applied in combination with the V-shaped cross-section of the ribs. Experiments showed relevant increase in strength and easier stacking involving nesting and denesting of the packaging units.
  • V-shaped ribs can also be applied independently from the other features in packaging units.
  • the ribs connect to the compartments at a height of more than 4 mm above the ground surface as defined by the bottom side of the bottom part.
  • connection height is above 4 mm, more preferably above 4.5 mm, and most preferably about 5 mm. Also preferably, the connection height is below 20 mm, more preferably below 15 mm, and most preferably below 10 mm.
  • a further effect of the application of the aforementioned height is the improved gripping of the packaging unit with grippers in the packing operation. This improves handling of the packaging unit when packing with products.
  • the torsion resistance is significantly improved. This provides additional stability to the packaging unit.
  • This width is preferably applied in combination with the V-shape of the ribs in width and/or length direction of the rib(s), and/or with the aforementioned elevated connection of the rib(s).
  • the compartments comprise a bottom with an elevated portion, wherein the bottom of the elevated portion is provided with a convex shape.
  • Providing elevated portions provides the compartments with an additional “bumper” effect that improves the protection of the products.
  • Providing the bottom of the ele vated portion with a convex shape prevents undesired moving of the packaging units when being transported over a conveyor belt, or other transporting means. This provides a more stable position of the packaging units during transport that is typically an advantage when putting the products in the packaging unit.
  • the convex bottom shape of the elevated portions resembles a spherical or dome shape.
  • the convex shaped bottom of elevated portions in the compartment is applied in combination with the V-shaped ribs are applied and/or the cones having one or more openings that are also presented in this description.
  • This combination of openings and cones having one or more openings improves the strength of the packaging unit, while reducing material and drying costs. It will be understood that the convex shaped bottom of elevated portions can also be applied independently from the other features in packaging units.
  • the bottom part comprises a number of denest-elements having a height in the range of 2-7 mm, preferably 3-6 mm.
  • the denest-elements improves denesting the packaging units from a stack.
  • the denest-elements have a height in the aforementioned range. This reduced height reduces the so-called stacking pitch of the packaging units. This has as an advantageous effect a shorter bundle length thereby preventing, or at least reducing, the overhang so that the packaging units better fit on a pallet, for example.
  • At least some of the cones are provided with openings that are configured to enable a gas stream to pass through the opening.
  • Providing an opening in the cone enables a gas flow, preferably an air flow, through the cone. In the manufacturing process this significantly contributes to the drying process of the packaging unit. Therefore, the drying of the packaging unit is significantly improved. In addition, the drying operation of the packaging unit is more controlled and/or gradually. The improved drying increases the strength of the packaging unit without increasing the required amount of material and/or reduces the amount of material, while maintaining the strength of the packaging unit.
  • a further effect of providing the cones of the packaging units with one or more openings is the reduced overall weight of the packaging unit. This reduces the material costs, and may reduce drying costs and/or may improve handling of the packaging unit. For example, for a standard egg package the weight reduction may amount to about 1 gram.
  • the openings have an effective diameter in the range of 0.5-15 mm, preferably in the range of 1.0-10 mm, more preferably in the range of 2.0-8 mm, and most preferably in the range of 3-6 mm.
  • the openings are preferably shaped as a circle having a diameter. This diameter corresponds to the effective diameter. It will be understood that other shapes for an opening are also possible.
  • the opening may be an ellipse. In such case the effective diameter corresponds to the diameter of a circular opening having an equal opening surface.
  • At least some of the openings are provided at or close to the top of the cone.
  • Y-shaped ribs are applied in combination with the cones having one or more openings.
  • This combination of openings and cones having one or more openings improves the strength of the packaging unit, while reducing material and drying costs.
  • the moulded pulp material comprises an amount of natural fibers. Additionally, or alternatively, the moulded pulp material comprises an amount of a biodegradable material.
  • natural fibers and/or biodegradable material such as an aliphatic polyester
  • WO 2018/067006 A1 The application of natural fibers and/or biodegradable material, such as an aliphatic polyester, is described in WO 2018/067006 A1 of the same applicant.
  • the use of natural fibers and/or biodegradable material results in packaging units that are substantially MOSH and/or MOAH free, and/or are (home) compostable.
  • These materials are preferably applied in combination with one or more of the aforementioned features, especially the cone having one or more openings, and the V-shaped ribs and/or bottom shape of the elevated portions of the compartments.
  • Such combination provides additional strength to the packaging units providing more possibilities to use alternative materials without reducing the behavior of the packaging units.
  • the present invention further relates to a method for packing products like eggs, comprising the steps of providing a packaging unit as described above, and placing therein one or more of the products.
  • FIG. 1 shows a 3-dimensional view of a packaging unit according to the invention
  • - Fig. 2A shows a top view of the packaging unit of fig. 1 in an open position
  • - Figs. 2B-D show a side view and two cross-sections of the packaging unit of fig. 2A, respectively;
  • FIG. 2E-F show views of the bottom and top parts of the packaging unit of fig. 2A in the open position, respectively;
  • FIG. 3A-D show top, front, side and bottom view of the packaging unit of fig. 1 in a closed position, respectively;
  • FIG. 4A-B a 3-dimensional view of an alternative packaging unit with 10 compartments
  • FIG. 4C-D a 3-dimensional view of a further alternative packaging unit with 12 compartments.
  • Figs 4E-F a 3 -dimensional view of an even further alternative packaging as a twin-pack.
  • a packaging unit 2 (Figure 1) comprises bottom part 4 with front surface 6, two side surfaces 8, rear side 10, and bottom side 12.
  • cover part 14 is hingedly connected with hinge 16 to bottom part 4 to allow cover part 14 to move relatively to bottom part 4 between an open ( Figure 2A-F) and a closed ( Figure 3A-D) position.
  • Cover part 14 further comprises front surface 18, two side surfaces 20, rear side 22 and top surface 24.
  • product receiving compartments 26 are provided having contours matching at least partially the outer contours of the products, like eggs, kiwis and tomatoes, for example.
  • Support cones 28 are provided to add stability and strength to packaging unit 2.
  • Opening 30 is provided at the top of cone 28. It will be understood that additional openings and/or alternative positions can also be envisaged in accordance to the present invention. In the illustrated embodiment opening 30 has an (effective) diameter of about 5.6 mm. it will be understood that other sizes and shapes of opening 30 can also be envisaged in alternative embodiments of the invention. Opening 30 provides channel 32 in or through cone 28 to enable a gas flow through cone 28, especially during drying.
  • Ribs 34 are provided between adjacent compartments 26. Ribs 34 have a V- shaped cross-section and a V-shape when seen in length direction of rib 34 between two adjacent compartments 26. Ribs 34 connect to compartments 26 at a height H above the ground surface as defined by bottom side 12 of bottom part 4. In the illustrated embodiment height H is about 5 mm. Providing height H enables grippers to grip packaging unit 2. This improves handling of packaging unit 2. In the illustrated embodiment ribs 34 have a height of about 7.5 mm. Tests showed an effective increase of the overall strength of packaging unit 2.
  • Compartments 26 of bottom part 4 have support surfaces 36 comprise elevated bottom 38 having a spherical shape.
  • Denest elements 40a in cover part 14 are provided having a height of about 6-8 mm.
  • Denest elements 40b in bottom part 4 are providing having a height of about 3-6 mm extending from edge 41.
  • a label (not shown) is provided to one or more of the surfaces of packaging unit 2.
  • Lock 42 comprises opening 44 in cover part 14 and nose shaped cam 46 of bottom part 4.
  • Cam 46 is provided on flap 49 that is hingedly connected by connection 50 to bottom part 4 of packaging unit 2.
  • cam 46 defines a closed outer surface or outer contour defining a chamber. In the illustrated embodiment the substantially downward facing surface of cam 46 may contact opening 44 to achieve lock 42.
  • cam 46 partly extends through opening 44 that is provided in the front surface 18 of cover part 14. The upper edge of opening 44 is optionally provided at a small angle and is slightly pushed inwards. It will be understood that according to the invention other locks may also be applied.
  • Grooves 48 are provided in bottom part 4. Grooves 48 are configured to receive part of ribs 34. Grooves 48 are optionally provided between ah adjacent compartments 26. In the illustrated embodiment grooves 48 are specifically (and only) provided between the two outer compartments 26’ at the sides of bottom part 4.
  • packaging unit 2 has a length L in a closed position ( Figure 3A-D) of about 247 mm, a width W of about 107 mm, and a height H p of about 68 mm. It will be understood that other dimensions are also possible and may depend on the number of compartments 26 in packaging unit 2.
  • Packaging unit 2 is made of a moulded pulp material that optionally comprises a biodegradable material such an aliphatic polyester, for example PLA, PBS. Also optionally, the moulded pulp material may comprise an amount of natural fibers such as grass fibers. Further examples of biodegradable materials and/or natural fibers are described in WO 2018/067006 A1 of the same applicant.
  • packaging units 2 are formed from moulded pulp. After forming packaging units 2 are dried. Opening 30 in cones 28 enable a gas flow through channel 32, thereby improving the drying process.
  • packaging unit 2 having ten product compartments can also be provided as a related packaging unit with another number of product compartments.
  • similar packaging units having twelve product compartments or twin pack units having two packaging units with each 6 product compartments.
  • these related packaging units can be provided in a similar design having the same or at least similar features as shown for packaging unit 2.
  • Alternative packaging unit 102 ( Figure 4A-B) comprises bottom part 104 with front surface 106, two side surfaces 108, rear side 110, and bottom side 112.
  • cover part 114 is hingedly connected with hinge 116 to bottom part 104 to allow cover part 114 to move relatively to bottom part 104 between an open ( Figure 4B) and a closed ( Figure 4A) position.
  • Cover part 114 further comprises front surface 118, two side surfaces 120, rear side 122 and top surface 124.
  • bottom part 4 Figure 4B
  • product receiving compartments 126 are provided having contours matching at least partially the outer contours of the products, like eggs, kiwis and tomatoes, for example.
  • Support cones 128 are provided to add stability and strength to packaging unit 2. In this embodiment support cones 128 are provided with closed top 130.
  • Ribs 134 are provided between adjacent compartments 126 and have a V-shaped cross- section and a V-shape when seen in length direction of rib 134 between two adjacent compartments 126. Ribs 134 connect to compartments 126 at a height H above the ground surface as defined by bottom side 112 of bottom part 104. In the illustrated embodiment height H is about 5 mm. Providing height H enables grippers to grip packaging unit 102. This improves handling of packaging unit 102. In the illustrated embodiment ribs 134 have a height of about 7.5 mm. Tests showed an effective increase of the overall strength of packaging unit 102.
  • Compartments 126 of bottom part 104 resemble compartments 26 as shown for packaging unit 2. Also lock 142 resembles lock 42 as shown for packaging unit 2. It will be understood that according to the invention other locks may also be applied.
  • Grooves 148 are provided in bottom part 104. Grooves 148 are configured to receive part of ribs 134. Grooves 148 are optionally provided between ah adjacent compartments 126. In the illustrated embodiment grooves 148 are specifically (and only) provided between the two outer compartments 126’ at the sides of bottom part 104. Dimensions and/or materials are similar to the dimensions and/or materials described in relation to packaging unit 2.
  • Packaging unit 202 ( Figure 4C-D) is provided with twelve compartments 126. Other features are the same or similar to that of packaging unit 102 having ten compartments 126.
  • Packaging unit 302 ( Figure 4E-F) is provided as a so-called twin-pack having two connected (sub)packaging units each having 6 product compartments.
  • Alternative packaging units according to the invention may hold other products, like kiwi’s, eggs, tomatoes, apples etc. and/or also a hamburger, salad etc.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Packaging Frangible Articles (AREA)

Abstract

La présente invention se rapporte à une unité de conditionnement (2) ayant une étiquette pour des produits tels que des œufs, et à un procédé associé. L'unité de conditionnement selon la présente invention comprend : - une partie couvercle (14) comprenant des surfaces supérieure, avant, latérales et arrière ; et - une partie inférieure (4) comprenant un certain nombre de compartiments (26) pour des produits individuels, et un certain nombre de cônes (28) qui sont positionnés entre des compartiments adjacents ; la partie inférieure comprenant un certain nombre de nervures (34) s'étendant entre au moins certains des compartiments, la partie inférieure comprenant en outre une rainure (48) entre des compartiments adjacents, et les rainures étant configurées pour recevoir une partie des nervures d'une autre unité de conditionnement.
PCT/NL2020/050709 2019-11-11 2020-11-11 Unité de conditionnement ayant des nervures et procédé permettant de conditionner des produits Ceased WO2021096356A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20811768.9A EP4058379B1 (fr) 2019-11-11 2020-11-11 Unité de conditionnement ayant des nervures et procédé permettant de conditionner des produits
US17/775,212 US20220411173A1 (en) 2019-11-11 2020-11-11 Packaging unit with ribs and method for packing products

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2024210A NL2024210B1 (en) 2019-11-11 2019-11-11 Packaging unit with ribs and method for packing products
NL2024210 2019-11-11

Publications (1)

Publication Number Publication Date
WO2021096356A1 true WO2021096356A1 (fr) 2021-05-20

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Family Applications (1)

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PCT/NL2020/050709 Ceased WO2021096356A1 (fr) 2019-11-11 2020-11-11 Unité de conditionnement ayant des nervures et procédé permettant de conditionner des produits

Country Status (4)

Country Link
US (1) US20220411173A1 (fr)
EP (1) EP4058379B1 (fr)
NL (1) NL2024210B1 (fr)
WO (1) WO2021096356A1 (fr)

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CA219469S (en) * 2023-02-24 2024-08-27 Cascades Canada Ulc Egg carton
USD1092241S1 (en) * 2023-08-22 2025-09-09 Huhtamaki, Inc. Egg carton
USD1092242S1 (en) * 2023-11-30 2025-09-09 Huhtamaki Nederland B.V. Egg carton
USD1091333S1 (en) * 2023-11-30 2025-09-02 Huhtamaki Nederland B.V. Egg carton
USD1094116S1 (en) * 2024-02-08 2025-09-23 Huhtamaki Molded Fiber Technology B.V. Egg carton

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US2423756A (en) * 1943-12-17 1947-07-08 Merle P Chaplin Molded fibre article
US3162352A (en) * 1962-03-15 1964-12-22 Alton Box Board Co Egg tray and cover therefor
US3207409A (en) * 1962-09-04 1965-09-21 Diamond Int Corp Molded pulp egg carton
GB1113339A (en) * 1965-06-25 1968-05-15 Alfred Erwin Comstock Moulded egg carton
US4295597A (en) * 1975-01-27 1981-10-20 Aktieselskabet Brodrene Hartmann Tray blank for eggs
EP1373100A1 (fr) * 2002-04-17 2004-01-02 Br Drene Hartman A/S Emballage pour articles tels que des oeufs
EP1683740A1 (fr) * 2005-01-24 2006-07-26 Brodrene Hartmann A/S Emballage comprenant des fenêtres
NL2008586C2 (en) * 2012-04-02 2013-10-03 Huhtamaki Molded Fiber Technology B V Packaging unit for products like eggs, and mould and method there for.
WO2015160248A1 (fr) 2014-04-15 2015-10-22 Huhtamaki Molded Fiber Technology B.V. Unité de conditionnement comprenant un système de verrouillage et procédé de conditionnement de produits
WO2018067006A1 (fr) 2016-10-03 2018-04-12 Huhtamaki Molded Fiber Technology B.V. Unité d'emballage alimentaire biodégradable et compostable obtenue à partir d'un matériau de pâte moulé, et procédé de fabrication d'une telle unité d'emballage alimentaire

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US20220411173A1 (en) 2022-12-29
EP4058379B1 (fr) 2024-06-05
EP4058379C0 (fr) 2024-06-05
EP4058379A1 (fr) 2022-09-21

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