WO1993020300A1 - Reinforced wall structure - Google Patents

Reinforced wall structure Download PDF

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Publication number
WO1993020300A1
WO1993020300A1 PCT/GB1993/000661 GB9300661W WO9320300A1 WO 1993020300 A1 WO1993020300 A1 WO 1993020300A1 GB 9300661 W GB9300661 W GB 9300661W WO 9320300 A1 WO9320300 A1 WO 9320300A1
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WO
WIPO (PCT)
Prior art keywords
cells
board according
panel
board
panels
Prior art date
Application number
PCT/GB1993/000661
Other languages
French (fr)
Inventor
Ljubomir Gnjatovic
Original Assignee
Ljubomir Gnjatovic
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 Ljubomir Gnjatovic filed Critical Ljubomir Gnjatovic
Publication of WO1993020300A1 publication Critical patent/WO1993020300A1/en

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
    • B32B3/10—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 discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—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 discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • 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
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' 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
    • B32B13/00—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material
    • B32B13/04—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B13/045—Layered products comprising a a layer of water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material comprising such water setting substance 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/16—Layered products comprising a layer of natural or synthetic rubber comprising polydienes homopolymers or poly-halodienes homopolymers
    • 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
    • B32B27/06—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
    • 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
    • B32B27/06—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
    • 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
    • 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
    • E04C2/284—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 at least one of the materials being insulating
    • E04C2/292—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 at least one of the materials being insulating composed of insulating material and sheet metal
    • 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
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
    • 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
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • 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
    • B32B2305/00—Condition, form or state of the layers or laminate
    • B32B2305/08—Reinforcements
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/718—Weight, e.g. weight per square meter
    • 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
    • B32B2419/00—Buildings or parts thereof
    • 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
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/022—Laminated structures

Definitions

  • the invention relates to a reinforced structure and in particular to a reinforced board useful as the wall of a container, building or the like.
  • the structure may also be used as a vehicle body, partition, screen, or the like.
  • the wall may be a sidewall, floor roof or tray.
  • One particular use of the board is as a wall of a refrigerated container which may be a fixed part of a vehicle or a separate container.
  • honeycomb structure As the infill, the walls of the honeycomb cells being made of say coated paper, or plastic or metal.
  • the cells of the honeycomb may be empty so that only air is present, although it is known to coat the walls of the cells with various materials see e.g. US-A- 3170827. It has also been proposed to fill the cells of the honeycomb with a reinforcing filling material see e.g. ⁇ P-A- 0008960.
  • the invention provides a board comprising two spaced apart panels and an infill between the panels, the infill comprising a grid formed of walls defining cells,- the walls extending from one panel towards the other, the cells being filled with set material, a discontinuity being present to prevent the transfer of heat and/or moisture from one panel to the other panel along a cell wall.
  • the discontinuity may take a variety of forms.
  • the discontinuity comprises a layer or sheet of set material such as plastics, e.g. polyurethane foam or neoprene disposed along the inner surface of one or both panels.
  • the honeycomb cells are present adjacent the inner surface of each panel, and a middle layer of set resin foam is present in between.
  • the discontinuity comprises an airtight sealed chamber present near the midline of the board.
  • the honeycomb may be formed of paper, coated paper (preferably resin coated), metal strip or foil; or the like.
  • the section may be of rectangular parallel piped shape having cells of hexagonal, octagonal, ellipsoidal, circular or like cross sectional shape. The density of the cells may be varied.
  • One or both panels may be of cardboard, hardboard, mineral board, plywood, laminates, reinforced plastics and metals e.g. aluminium, steel, stainless steel; and the like.
  • the settable material may be hydraulic (as in the case of cement or the like) or a hardenable resin, e.g. polystyrene, isocyanate, polyurethane, polyester, phenolic or the like. It is preferred that the set material take the form of a foam for lightness in weight.
  • Additives may be present, especially fillers, the proportion of which may be varied according to the desired compressive strength, heat insulation or the like.
  • the set material may be a single or multi component polyurethane system adapted to provide a foam.
  • a single component system comprises a prepolymer with a blocked or bonded NCO group and a latent hardener which in the presence of moisture are converted into reactive compounds so that curing can take place.
  • the component may include fillers, catalysts, auxiliary curing agents and like additives.
  • the prepolymer may be formed by reacting a polyisocyanate, typically an aromatic diisocyanate, with polyols and chain extending and/or cross linking agents.
  • FIGS. 1 to 5 are each transverse sections through different embodiments of the invention.
  • the same reference numerals are used to describe the- same parts in the different embodiments.
  • the board of Figure 1 comprises a single layer of a honeycomb structure, defining a plurality of cells C.
  • the honeycomb is made of resin coated paper.
  • a sheet of metal, plastics, wood or like is present on the top PI and bottom P2 of the honeycomb; preferably the sheet is of stainless steel.
  • Each cell C of the honeycomb is filled with a hardened or cured low density plastics foam, typically a polyurethane foam S.
  • Sidewalls W are secured to the top and PI and the bottom panel P2 to close the edges of the board.
  • a sheet 20 of polyurethane foam or neoprene is laid between the top edge of the cell grid and the upper stainless steel panel Pi. This prevents moisture and/or heat flowing up or down the cell wall to bridge the board.
  • the honeycomb is in the middle of the board with a relatively thick layer 25,26 of set polyurethane foam on each side so that the honeycomb is not in contact with the outer panels.
  • the board has two elongate board parts Bl, B2, separated by a vacuum chamber 21. As shown the upper part has empty or full cells.
  • the vacuum chamber includes sealed end walls 22.
  • One of the boards incorporates a vacuum port 23 by which the chamber is evacuated. Dessicant may be placed in the vacuum chamber to reduce condensation.
  • the board of Figure 5 is made by locating one board part on the other, with the end walls 22 in between. The walls 22 are sealed in gas tight manner to both board parts.
  • a vacuum is created in the chamber 21, through the port 23.
  • the chamber may be connected to a vacuum pump to withdraw any air which penetrates the seal; a pressure gauge may be provided and arranged to switch on the vacuum pump in the event that air penetrates the chamber.
  • the resin need not be a polyurethane, and not all the cells need be filled.
  • the walls of the cells may be apertured, to allow set polyurethane or other resin foam to bridge from one cell to the next.

Landscapes

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

Abstract

The invention relates to a reinforced board useful as the wall of a container, building or the like and aims to provide a lightweight board that is thermally-insulating and of high mechanical strength. The invention provides a board comprising two spaced apart panels (P1, P2) and an infill between the panels, the infill comprising a grid formed of walls defining cells (C), the walls extending from one panel towards the other, the cells being filled with set material (S), a discontinuity being present to prevent the transfer of heat and/or moisture from one panel to the other panel along a cell wall.

Description

REINFORCED WALL STRUCTURE
The invention relates to a reinforced structure and in particular to a reinforced board useful as the wall of a container, building or the like. The structure may also be used as a vehicle body, partition, screen, or the like. The wall may be a sidewall, floor roof or tray. One particular use of the board is as a wall of a refrigerated container which may be a fixed part of a vehicle or a separate container.
It is known to make a board of two panels joined together with an infill in between. It is known to use a honeycomb structure as the infill, the walls of the honeycomb cells being made of say coated paper, or plastic or metal. The cells of the honeycomb may be empty so that only air is present, although it is known to coat the walls of the cells with various materials see e.g. US-A- 3170827. It has also been proposed to fill the cells of the honeycomb with a reinforcing filling material see e.g. ΞP-A- 0008960.
It is one object of the invention to provide a wall structure which is lightweight, thermally insulating and of high mechanical strength.
In one aspect the invention provides a board comprising two spaced apart panels and an infill between the panels, the infill comprising a grid formed of walls defining cells,- the walls extending from one panel towards the other, the cells being filled with set material, a discontinuity being present to prevent the transfer of heat and/or moisture from one panel to the other panel along a cell wall.
The discontinuity may take a variety of forms. In one option, the discontinuity comprises a layer or sheet of set material such as plastics, e.g. polyurethane foam or neoprene disposed along the inner surface of one or both panels. In another option, the honeycomb cells are present adjacent the inner surface of each panel, and a middle layer of set resin foam is present in between. In a much preferred feature, the discontinuity comprises an airtight sealed chamber present near the midline of the board.
The honeycomb may be formed of paper, coated paper (preferably resin coated), metal strip or foil; or the like. The section may be of rectangular parallel piped shape having cells of hexagonal, octagonal, ellipsoidal, circular or like cross sectional shape. The density of the cells may be varied.
One or both panels may be of cardboard, hardboard, mineral board, plywood, laminates, reinforced plastics and metals e.g. aluminium, steel, stainless steel; and the like. The settable material may be hydraulic (as in the case of cement or the like) or a hardenable resin, e.g. polystyrene, isocyanate, polyurethane, polyester, phenolic or the like. It is preferred that the set material take the form of a foam for lightness in weight. Additives may be present, especially fillers, the proportion of which may be varied according to the desired compressive strength, heat insulation or the like.
The set material may be a single or multi component polyurethane system adapted to provide a foam. Such a single component system comprises a prepolymer with a blocked or bonded NCO group and a latent hardener which in the presence of moisture are converted into reactive compounds so that curing can take place. The component may include fillers, catalysts, auxiliary curing agents and like additives. The prepolymer may be formed by reacting a polyisocyanate, typically an aromatic diisocyanate, with polyols and chain extending and/or cross linking agents.
In order that the invention may be well understood it will now be described, by way of example only, with reference to the accompanying diagrammatic drawings, in which:
Figure 1 to 5 are each transverse sections through different embodiments of the invention. The same reference numerals are used to describe the- same parts in the different embodiments.
The board of Figure 1 comprises a single layer of a honeycomb structure, defining a plurality of cells C. The honeycomb is made of resin coated paper. A sheet of metal, plastics, wood or like is present on the top PI and bottom P2 of the honeycomb; preferably the sheet is of stainless steel. Each cell C of the honeycomb is filled with a hardened or cured low density plastics foam, typically a polyurethane foam S. Sidewalls W are secured to the top and PI and the bottom panel P2 to close the edges of the board.
A sheet 20 of polyurethane foam or neoprene is laid between the top edge of the cell grid and the upper stainless steel panel Pi. This prevents moisture and/or heat flowing up or down the cell wall to bridge the board. In Figure 2 , there are two such sheets 20 one located on the inner face of each of the panels PI, P2, and which may be of the same or different material. In the embodiment of Figure 3, the honeycomb is in the middle of the board with a relatively thick layer 25,26 of set polyurethane foam on each side so that the honeycomb is not in contact with the outer panels. In the embodiment of Figure 4, there are two honeycombs, each bonded to a respective panel, a layer 27 of honeycomb-free set polyurethane being present in between. In Figure 5, the board has two elongate board parts Bl, B2, separated by a vacuum chamber 21. As shown the upper part has empty or full cells. The vacuum chamber includes sealed end walls 22. One of the boards incorporates a vacuum port 23 by which the chamber is evacuated. Dessicant may be placed in the vacuum chamber to reduce condensation. The board of Figure 5 is made by locating one board part on the other, with the end walls 22 in between. The walls 22 are sealed in gas tight manner to both board parts. A vacuum is created in the chamber 21, through the port 23. The chamber may be connected to a vacuum pump to withdraw any air which penetrates the seal; a pressure gauge may be provided and arranged to switch on the vacuum pump in the event that air penetrates the chamber.
The invention is not limited to the embodiments shown. For example, the resin need not be a polyurethane, and not all the cells need be filled. The walls of the cells may be apertured, to allow set polyurethane or other resin foam to bridge from one cell to the next.

Claims

1. A board comprising two spaced apart panels (P1,P2) and an infill between the panels, the infill comprising a grid formed of walls defining cells (C), the walls extending from one panel towards the other, the cells (C) being filled with set material (S), characterised in that a discontinuity (20,21) is present to prevent the transfer of heat and/or moisture from one panel to the other panel along a cell wall.
2. A board according to Claim 1, wherein the discontinuity comprises a layer or sheet of set material (20) such as plastics, e.g. polyurethane foam or neoprene disposed along the inner surface of one or both panels (P1,P2).
3. A board according to Claim 1, wherein the honeycomb cells (C) are present adjacent the inner surface of each panel (P1,P2), and a middle layer (27) of set resin foam is present in between.
4. A board according to Claim 1, wherein the discontinuity comprises an airtight sealed vacuum chamber (21) near the midline of the board.
5. A board according to Claim 4, wherein a vacuum pump is connected to the chamber (21).
6. A board according to Claim 5, wherein a pressure gauge is connected to the chamber (21) and arranged to actuate the vacuum pump when the pressure in the chamber exceeds a predetermined limit.
7. A board according to Claim 1, wherein the cells (C) are present adjacent the inner surface of each panel (P1,P2) and a middle layer (27) of set resin is present in between.
8. A board according to any preceding Claim, wherein the walls of the cells (C) are formed of coated paper, metal strip or foil.
9. A board according to any preceding Claim, wherein the cells (C) are of hexagonal, octagonal, ellipsoidal or circular shape.
10. A board according to any preceding Claim, wherein the set material is a cement or hardened resin.
PCT/GB1993/000661 1992-03-30 1993-03-30 Reinforced wall structure WO1993020300A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9206927.7 1992-03-30
GB9206927A GB2267101B (en) 1992-03-30 1992-03-30 Reinforced wall structure

Publications (1)

Publication Number Publication Date
WO1993020300A1 true WO1993020300A1 (en) 1993-10-14

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Country Status (3)

Country Link
AU (1) AU3765893A (en)
GB (1) GB2267101B (en)
WO (1) WO1993020300A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0761896A1 (en) * 1995-09-06 1997-03-12 Cape Durasteel Limited Fire resistant panel systems
FR2872085A1 (en) * 2004-06-25 2005-12-30 Alain Catherineau Composite panel for aircraft interior fittings, especially trim, has layer of rigid plastic foam and second layer of resin-impregnated fabric between wood veneer and first layer of resin-impregnated fabric
EP2431302A1 (en) * 2010-09-20 2012-03-21 Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) Transport device
WO2012056004A1 (en) * 2010-10-29 2012-05-03 Deutsches Zentrum für Luft- und Raumfahrt e.V. Baseplate
WO2013060308A1 (en) * 2011-10-25 2013-05-02 Benda Jiri Cellular panel
FR3044584A1 (en) * 2015-12-03 2017-06-09 L'hexagone MULTI-LAYER MATERIAL BASED ON HONEYCOMB
WO2023007160A1 (en) * 2021-07-29 2023-02-02 Strange Benjamin Alex Settable sheet material

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Publication number Priority date Publication date Assignee Title
GB2281321A (en) * 1993-08-25 1995-03-01 Dale Mccrea Production of structural elements
US6030483A (en) * 1996-09-10 2000-02-29 Wilson; Graeme Paul Method of forming laminates using a tessellated core
GB2336381B (en) * 1998-04-16 2000-12-20 Stephen George Dench The energy saving vacuum panel cladding system
SE520145C2 (en) * 2002-09-05 2003-06-03 Saab Ab Reinforcing method for multi part core held together by adhesive, has grooves formed in adhesive bonds between adjoining core parts
FR2854419A1 (en) * 2003-04-29 2004-11-05 Jean Philippe Pisano Insulating panel with sandwich structure has metal skins and cardboard honeycomb core having cells filled with insulating material
EP1596024A1 (en) 2004-05-11 2005-11-16 Groep Stevens International, Naamloze Vennootschap Reinforced sandwich panel
SI21807A (en) * 2004-06-15 2005-12-31 Termo, D.D., Industrija Termicnih Izolacij, Skofja Loka Reinforced thermal insulating building panel
NL1027257C2 (en) * 2004-10-15 2006-04-19 Henk Slebos Construction panel for forming a wall of a cryogenic tank.

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EP0008960A2 (en) * 1978-09-13 1980-03-19 Sekisui Kagaku Kogyo Kabushiki Kaisha A foamed resin structural material and process for manufacturing the same
EP0438002A1 (en) * 1990-01-17 1991-07-24 Matfor Composite panel, especially for building movable position, and its method of manufacture

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GB1269244A (en) * 1968-09-30 1972-04-06 United Plastics Ltd Improvements in composite panels

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0008960A2 (en) * 1978-09-13 1980-03-19 Sekisui Kagaku Kogyo Kabushiki Kaisha A foamed resin structural material and process for manufacturing the same
EP0438002A1 (en) * 1990-01-17 1991-07-24 Matfor Composite panel, especially for building movable position, and its method of manufacture

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Title
CHEMICAL PATENTS INDEX, DOCUMENTATION ABSTRACTS JOURNAL Week 8916, Derwent Publications Ltd., London, GB; AN 89-118825 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0761896A1 (en) * 1995-09-06 1997-03-12 Cape Durasteel Limited Fire resistant panel systems
FR2872085A1 (en) * 2004-06-25 2005-12-30 Alain Catherineau Composite panel for aircraft interior fittings, especially trim, has layer of rigid plastic foam and second layer of resin-impregnated fabric between wood veneer and first layer of resin-impregnated fabric
EP2431302A1 (en) * 2010-09-20 2012-03-21 Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) Transport device
WO2012056004A1 (en) * 2010-10-29 2012-05-03 Deutsches Zentrum für Luft- und Raumfahrt e.V. Baseplate
DE102010049776B4 (en) * 2010-10-29 2015-09-24 Deutsches Zentrum für Luft- und Raumfahrt e.V. baseplate
WO2013060308A1 (en) * 2011-10-25 2013-05-02 Benda Jiri Cellular panel
FR3044584A1 (en) * 2015-12-03 2017-06-09 L'hexagone MULTI-LAYER MATERIAL BASED ON HONEYCOMB
WO2023007160A1 (en) * 2021-07-29 2023-02-02 Strange Benjamin Alex Settable sheet material
GB2615727A (en) * 2021-07-29 2023-08-23 Alex Strange Benjamin Settable sheet material
GB2615727B (en) * 2021-07-29 2024-02-21 Alex Strange Benjamin Settable sheet material

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AU3765893A (en) 1993-11-08
GB2267101A (en) 1993-11-24
GB9206927D0 (en) 1992-05-13
GB2267101B (en) 1995-10-11

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