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WO2008130329A1 - Planche composite - Google Patents

Planche composite Download PDF

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Publication number
WO2008130329A1
WO2008130329A1 PCT/SG2008/000122 SG2008000122W WO2008130329A1 WO 2008130329 A1 WO2008130329 A1 WO 2008130329A1 SG 2008000122 W SG2008000122 W SG 2008000122W WO 2008130329 A1 WO2008130329 A1 WO 2008130329A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
composite board
board according
hard plastic
plastic material
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/SG2008/000122
Other languages
English (en)
Inventor
Wei Fern Choo
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2008130329A1 publication Critical patent/WO2008130329A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/06—Forming boards or similar elements the form surface being of metal
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups

Definitions

  • the invention relates to a composite board.
  • the invention is particularly suitable for use as a shuttering board and it is in this context that the invention will be described.
  • Shuttering boards are commonly used at construction sites to maintain poured concrete in a desired shape. It is particularly used in maintaining poured concrete that, when set, forms a vertical pylon or the like. This process of maintaining the poured concrete in predefined shapes is also known as formwork.
  • Plywood shuttering boards Plywood shuttering boards. Such shuttering boards are cheap. But subject to degradation with each use. As a result, plywood shuttering boards are often re-used somewhere between 8 to 10 times before they need to be changed. Changing such shuttering boards consumes additional labour and material costs. Furthermore, the used plywood shuttering boards must be disposed of in some manner, often by incineration, which creates further environmental problems.
  • a composite board comprising five layers of material, the first layer of material consisting of one material from a first hard plastic material set, the second layer consisting of a metal having at least a substantially high strength to weight ratio, a third layer of material consisting of a second hard plastic material, a fourth layer consisting of a metal having at least a substantially high strength to weight ratio, a fifth layer of material consisting of one material from a first hard plastic material set, where the layers are bonded in a sequential fashion and the resulting board being laminated.
  • the material used in the first layer is also used in the fifth layer. It is further preferred that that same material be used in the third layer.
  • the composite board is further constructed in a manner that the material used in the second layer is also used in the fourth layer. This allows ease of manufacturing as the number of materials needed for manufacturing to be significantly reduced.
  • the first hard plastic material set preferably, includes polyethylene, polyvinyl chlorate or polypropylene.
  • the second hard plastic material is preferred to be one of polyethylene, polyvinyl chlorate or polypropylene, the second hard plastic material being in either a solid or foam state.
  • the second hard plastic material may be a recycled or virgin material.
  • the third layer is ideally made up of aluminium sheeting. This provides the necessary strength to weight ratio, while at the same time having good durability properties.
  • the composite board For most building sites it is preferred that the composite board have a thickness between 9 and 30mm.with the ideal thickness of the composite board being between 10 and 18mm. Composite boards of a smaller thickness do not have the strength for general usage on a construction site. Composite boards of greater thickness have limited durability (and may require additional strengthening structures), which further limits the advantages of the current invention, not to mention the attendant manufacturing difficulties.
  • Boards in the range 10 to 18mm provide the best overall performance and are relatively easy to manufacture compared to boards of other sizes.
  • the proportions between the differing layers may vary, but ideally the size of the first and fifth layers do not exceed 2mm in thickness. It is also preferred that the thickness of the third layer, as a proportion of the total thickness of the composite board, remains at substantially 80%.
  • the size of the second and fourth layers can vary depending on the overall strength desired for the composite board.
  • Thermal bonding may be used to sequentially bind each layer to its next layer. It is further preferred that any such bond be waterproof.
  • Figure 1 is an exploded view of a composite board according to the present invention.
  • the composite board 10 comprises five layers of various material compositions.
  • the first layer 12 and the fifth layer 14 are made of virgin polyethylene to a thickness of 1.5mm.
  • the second layer 16 and fourth layer 18 are made of aluminium sheeting of 3mm thickness.
  • the third, middle, layer 20 is made of recycled polyethylene.
  • the polyethylene of the third layer 20 is solid state polyethylene.
  • the third layer has a thickness of 14.4mm
  • first layer 12 is thermally bonded by adhesive to second layer 16, which is in turn thermally bonded by adhesive to third layer 20 and so on.
  • the whole composite board is then laminated using conventional laminating techniques.
  • composite boards made in accordance with the invention ranges from 200 to 500 uses. Furthermore, such composite shuttering boards are completely recyclable. The inherent strength of the composite boards also makes them suitable for other uses such as non-load bearing walls, scaffolding boards, floor decking, roofing shelters and truck cabins.
  • the polyethylene material used in the first, third and fifth layers may be replaced with other hard plastic materials such as polyvinyl chloride or polypropylene.
  • the material used in the third layer may be of virgin or recycled origin. In this manner, new composite boards may be made by recycling the material used in older composite boards.
  • the material used in the third layer may take the form of a foam of such material.
  • the thickness of the composite board may vary from the 18mm described above. While the preferred thickness range identified by the applicant is from 9mm to 30mm thickness, boards of other sizes may just as easily be created.
  • the thickness of the first and fifth layers should be limited to a maximum of 2mm for any composite board less than or equal to 30mm in thickness (total).
  • the thickness of the third layer should be roughly 80%.
  • the composite board may have a groove cut along each edge adapted to receive an edge bander made of a plastic material.
  • an edge bander made of a plastic material.
  • the plastic material that may be used for the edge bander includes polyvinyl chlorate, polyethylene, polypropylene and rubber.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une planche composite comprenant une première couche de matériau formée d'un matériau issu d'un premier ensemble de matériaux en matière plastique dure; une seconde couche formée d'un métal ayant au moins un rapport résistance/poids sensiblement élevé; une troisième couche de matériau formée d'un second matériau en matière plastique dure; une quatrième couche formée d'un métal ayant au moins un rapport résistance/poids sensiblement élevé; une cinquième couche de matériau formée d'un matériau issu du premier ensemble de matériaux en matière plastique dure, les couches étant collées d'une façon séquentielle et la planche résultante étant stratifiée.
PCT/SG2008/000122 2007-04-18 2008-04-15 Planche composite Ceased WO2008130329A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SG200702850-9 2007-04-18
SG200702850-9A SG147328A1 (en) 2007-04-18 2007-04-18 Composite board

Publications (1)

Publication Number Publication Date
WO2008130329A1 true WO2008130329A1 (fr) 2008-10-30

Family

ID=39875749

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SG2008/000122 Ceased WO2008130329A1 (fr) 2007-04-18 2008-04-15 Planche composite

Country Status (2)

Country Link
SG (1) SG147328A1 (fr)
WO (1) WO2008130329A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2161128A3 (fr) * 2008-09-08 2010-05-19 Quadrant Plastic Composites AG Procédé de traitement de la surface de plaques composites en fibres
EP3909762A1 (fr) * 2020-05-11 2021-11-17 Recyplast Holding AG Panneau de toiture en plastique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6505454B2 (en) * 1996-06-22 2003-01-14 Gerhard Dingler Structural member
US7100344B2 (en) * 2001-03-22 2006-09-05 Hunneback Gmbh Shuttering element and process for manufacturing and repair of the same
US20070266664A1 (en) * 2006-05-16 2007-11-22 Jurgen Schlenker Method for repairing the surface of a board-shaped carrier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5792552A (en) * 1996-04-12 1998-08-11 Providence Industries, L.L.C. Reusable concrete form panel sheeting
IT1305423B1 (it) * 1998-11-19 2001-05-04 Gor Applic Speciali Srl Pannello composito multistrato, particolarmente adatto per casseforme,in special modo di solai.
US20030096072A1 (en) * 2001-11-21 2003-05-22 Johnson Gregory D. Concrete formworks and method of making same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6505454B2 (en) * 1996-06-22 2003-01-14 Gerhard Dingler Structural member
US7100344B2 (en) * 2001-03-22 2006-09-05 Hunneback Gmbh Shuttering element and process for manufacturing and repair of the same
US20070266664A1 (en) * 2006-05-16 2007-11-22 Jurgen Schlenker Method for repairing the surface of a board-shaped carrier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2161128A3 (fr) * 2008-09-08 2010-05-19 Quadrant Plastic Composites AG Procédé de traitement de la surface de plaques composites en fibres
EP3909762A1 (fr) * 2020-05-11 2021-11-17 Recyplast Holding AG Panneau de toiture en plastique

Also Published As

Publication number Publication date
SG147328A1 (en) 2008-11-28

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