EP0493500A1 - Heat insulating wall panel, particularly for walls of goods containers - Google Patents

Heat insulating wall panel, particularly for walls of goods containers

Info

Publication number
EP0493500A1
EP0493500A1 EP19900914798 EP90914798A EP0493500A1 EP 0493500 A1 EP0493500 A1 EP 0493500A1 EP 19900914798 EP19900914798 EP 19900914798 EP 90914798 A EP90914798 A EP 90914798A EP 0493500 A1 EP0493500 A1 EP 0493500A1
Authority
EP
European Patent Office
Prior art keywords
elements
wall panel
expanded polystyrene
expanded
goods
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.)
Withdrawn
Application number
EP19900914798
Other languages
German (de)
French (fr)
Inventor
Peter Liljegren
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 EP0493500A1 publication Critical patent/EP0493500A1/en
Withdrawn legal-status Critical Current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
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/02—Wall construction
    • B65D90/06—Coverings, e.g. for insulating purposes
    • 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
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/20—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics
    • E04C2/205—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics of foamed plastics, or of plastics and foamed plastics, optionally reinforced
    • 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
    • E04C2/296—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 non-metallic or unspecified sheet-material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/12—Insulation with respect to heat using an insulating packing material
    • F25D2201/126—Insulation with respect to heat using an insulating packing material of cellular type

Definitions

  • the present invention refers to a heat insulating wall panel intended in particular as a wall material in a goods contai ⁇ ner, intended for refrigerator transports or for transports where the goods should be protected from low outside tempe ⁇ ratures, and which wall panel consists of a core applied and fixed between two surface materials, said core consisting of elements of two different expanding thermoplastics, in particular expanded polyvinyl chloride and expanded polysty ⁇ rene.
  • plastic material has been used, which in the form of panels have been placed between two cover layers, which may be sheet metal, aluminium, plastics or the like, which are glued together with known technique.
  • cover layers which may be sheet metal, aluminium, plastics or the like, which are glued together with known technique.
  • Another plastic material which has been used with a good result is expanded polystyrene, which however has far too low strength to withstand the mechanical edge pressures, the material will be subjected to in an application to a goods container.
  • a heat insulating panel (GB-A 2 210 396) constructed from two external hard panels, which surround two insulating expanding thermoplastics, of which one forms a frame around the other with lower density, and where the hard panels are glued to the insulating layers, and the edge lists forming the frame thereby are made in expanded polyvinyl chloride and the insulating layer pro- vided in the frame is constituted by expanded polystyrene.
  • the object of the present invention is to provide a heat insulating wall panel, which has at least equally good properties as the previously proposed panel with a PVC- frame around an internal insulation of a quality of expanded polystyrene, and which moreover is substantially less ex ⁇ pensive than this.
  • the wall panel according to the invention consists of a bottom beam of polyvinylchloride 1, and on this bottom beam most adjacent to the end edges are provided two standing end elements 2, which consist of expanded polystyrene with high density, e.g. manufactured by DOW chemical with the designa ⁇ tion Styrofoam HD300. Between the two end elements 2 are then provided a number of elements 3 , which likewise con ⁇ sist of expanded polystyrene, but of a lower density , e.g. Dow styrofoam RTM. Both these insulating materials are substantially less expensive than expanded polyvinyl chlori ⁇ de and Styrofoam HD300 and moreover has a strength, which is comparable with that of the frame made of PVC.
  • the bottom beam of expanded PVC absorbs loads in the bottom structure when lifting with fork truck or the like, while the polystyrene with high density has tensile properties enough to stand all normally occurring loads in the remai- ning parts of the wall structure
  • Fig. 2 is shown how the insulating part av the wall element illustrated in Fig. 1, consisting of a PVC -bottom beam and two different densities of expanded polystyrene, on both flat side surfaces is provided with on thereto applied hard surface materials, preferably steel plates, which are glued to the inside situated insulating layers.
  • qualities of polystyrene with a density of 45 kg/m 3 can be used, while for the intermediate polystyrene elements 3 e.g. can be chosen a density of e.g. 40 kg/m 3 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Thermal Insulation (AREA)

Abstract

Panneau de paroi d'isolation thermique servant notamment de matériau de paroi dans un conteneur de marchandises, destiné aux transports réfrigérés ou à des transports dans lesquels les marchandises doivent être protégées des températures extérieures basses, et composé d'une âme appliquée et fixée entre deux matériaux de surface (4), ladite âme se composant d'éléments de deux thermoplastiques à expansion différents, notamment du chlorure de polyvinyl expansé et du polystyrène expansé, de sorte que l'âme comprend une poutre inférieure (1) en chlorure de polyvinyle expansé, deux éléments terminaux (2) en polystyrène expansé de haute densité se tenant sur la poutre inférieure, et des éléments (3) en polystyrène expansé de faible densité se tenant sur la poutre inférieure et remplissant l'espace situé entre les éléments terminaux (3).Thermal insulation wall panel used in particular as wall material in a goods container, intended for refrigerated transport or for transport in which the goods must be protected from low outside temperatures, and composed of an applied core and fixed between two surface materials (4), said core consisting of elements of two different expanding thermoplastics, in particular expanded polyvinyl chloride and expanded polystyrene, so that the core comprises a lower beam (1) made of expanded polyvinyl chloride , two end elements (2) of high density expanded polystyrene standing on the lower beam, and elements (3) of low density expanded polystyrene standing on the lower beam and filling the space between the end elements (3 ).

Description

HEAT INSULATING WALL PANEL, PARTICULARLY FOR WALLS OF GOODS CONTAINERS
The present invention refers to a heat insulating wall panel intended in particular as a wall material in a goods contai¬ ner, intended for refrigerator transports or for transports where the goods should be protected from low outside tempe¬ ratures, and which wall panel consists of a core applied and fixed between two surface materials, said core consisting of elements of two different expanding thermoplastics, in particular expanded polyvinyl chloride and expanded polysty¬ rene.
For such purposes a material is needed, which gives a good heat insulation, which has no tendency to absorb moisture, which is relatively light, which has sufficient strength to stand high loads, and in particular edge loads, which may amount to high values when several goods containers are piled on each other. Further it is a requirement that the material should be as cheap as possible.
To fulfil these requirements plastic material has been used, which in the form of panels have been placed between two cover layers, which may be sheet metal, aluminium, plastics or the like, which are glued together with known technique. One plastic material which for this purpose has shown to fulfil most of these requirements is expanded rjolyvinyl chloride PVC, which is however relatively expensive. Another plastic material which has been used with a good result is expanded polystyrene, which however has far too low strength to withstand the mechanical edge pressures, the material will be subjected to in an application to a goods container.
Previously has been suggested a heat insulating panel (GB-A 2 210 396) constructed from two external hard panels, which surround two insulating expanding thermoplastics, of which one forms a frame around the other with lower density, and where the hard panels are glued to the insulating layers, and the edge lists forming the frame thereby are made in expanded polyvinyl chloride and the insulating layer pro- vided in the frame is constituted by expanded polystyrene.
In this way a panel has been provided a panel which fulfils the requirements made, which however after all is relatively costly by the not insignificant amount of polyvinyl chloride which is required for the frame.
The object of the present invention is to provide a heat insulating wall panel, which has at least equally good properties as the previously proposed panel with a PVC- frame around an internal insulation of a quality of expanded polystyrene, and which moreover is substantially less ex¬ pensive than this.
For this object is proposed a wall panel of a design shown in the accompanying drawing of which in Fig. 1 the wall panel is illustrated without the steel plates, which are to surround the isolating material, while the wall panel in Fig. 2 is shown with plates, which however are partly cut away.
The wall panel according to the invention consists of a bottom beam of polyvinylchloride 1, and on this bottom beam most adjacent to the end edges are provided two standing end elements 2, which consist of expanded polystyrene with high density, e.g. manufactured by DOW chemical with the designa¬ tion Styrofoam HD300. Between the two end elements 2 are then provided a number of elements 3 , which likewise con¬ sist of expanded polystyrene, but of a lower density , e.g. Dow styrofoam RTM. Both these insulating materials are substantially less expensive than expanded polyvinyl chlori¬ de and Styrofoam HD300 and moreover has a strength, which is comparable with that of the frame made of PVC. The bottom beam of expanded PVC absorbs loads in the bottom structure when lifting with fork truck or the like, while the polystyrene with high density has tensile properties enough to stand all normally occurring loads in the remai- ning parts of the wall structure.
In Fig. 2 is shown how the insulating part av the wall element illustrated in Fig. 1, consisting of a PVC -bottom beam and two different densities of expanded polystyrene, on both flat side surfaces is provided with on thereto applied hard surface materials, preferably steel plates, which are glued to the inside situated insulating layers.
For the end elements 2 of expanded polystyrene, qualities of polystyrene with a density of 45 kg/m3 can be used, while for the intermediate polystyrene elements 3 e.g. can be chosen a density of e.g. 40 kg/m3.
By utilizing two different densities of the comparably cheap material expanded polystyrene arranged on a bottom beam of the more expensive material expanded polyvinyl chloride, has been provided a wall element to a substantially lower price with insulating properties and strength corresponding to those of the above mentioned polystyrene panel with a frame of expensive polyvinyl chloride surrounding the whole panel.
As an alternative to the design described above and illu¬ strated in the drawings of wall elements according to the invention it is possible to use a solid thin frame of ex- panded polystyrene with high density while the inner ele¬ ments are constituted by expanded polystyrene with lower density.

Claims

1. Heat insulating wall panel intended in particular as a wall material in a goods container, intended for refrigera- tor transports or for transports where the goods should be protected from low outside temperatures, and which wall panel consists of a core applied and fixed between two surface materials (4), said core consisting of elements of two different expanding thermoplastics, in particular ex- panded polyvinyl chloride and expanded polystyrene, c h a r a c t e r i z e d t h e r e i n, that the core comprises a bottom beam (1) of expanded poly¬ vinyl chloride, two end elements (2) of expanded polystyrene of high density standing on this bottom beam, and elements (3) of expanded polystyrene of low density standing on the bottom beam and filling the space between the end elements (3).
2. Heat insulating wall panel intended in particular as a wall material in a goods container, intended for refrigera¬ tor transports or for transports where the goods should be protected from low outside temperatures, and which wall panel consists of a core applied and fixed between two surface materials (4), consisting of a thin frame and in this provided elements of expanded thermoplastics, c h a r a c t e r i z e d t h e r e i , that the frame is constituted by an expanded polystyrene of high density, and the elements filling the frame consist of expanded polystyrene of low density.
EP19900914798 1989-09-21 1990-09-20 Heat insulating wall panel, particularly for walls of goods containers Withdrawn EP0493500A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8903105 1989-09-21
SE8903105A SE8903105L (en) 1989-09-21 1989-09-21 WALL-INSULATING WALL DISC, IN PARTICULAR, FOR WALLS IN CARGO CONTAINERS

Publications (1)

Publication Number Publication Date
EP0493500A1 true EP0493500A1 (en) 1992-07-08

Family

ID=20376939

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900914798 Withdrawn EP0493500A1 (en) 1989-09-21 1990-09-20 Heat insulating wall panel, particularly for walls of goods containers

Country Status (4)

Country Link
EP (1) EP0493500A1 (en)
AU (1) AU6510290A (en)
SE (1) SE8903105L (en)
WO (1) WO1991004205A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9625425D0 (en) * 1996-12-06 1997-01-22 Laminated Profiles Limited Wall panel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5233805B2 (en) * 1973-02-19 1977-08-31
US4125972A (en) * 1976-09-08 1978-11-21 Pate Paul E Monocoque cell
DE2731604A1 (en) * 1977-07-13 1979-01-25 Otto Heinrich Graf Hagenburg Sandwich structure building panel - has thin cladding sheets on rigid foam plastics core with breaks in protruding edges
SE461047B (en) * 1986-04-04 1989-12-18 Ros N Anders INSULATING WALL MATERIAL

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9104205A1 *

Also Published As

Publication number Publication date
WO1991004205A1 (en) 1991-04-04
AU6510290A (en) 1991-04-18
SE8903105L (en) 1991-03-22
SE8903105D0 (en) 1989-09-21

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