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GB1201750A - Sandwich structures - Google Patents

Sandwich structures

Info

Publication number
GB1201750A
GB1201750A GB671370A GB671370A GB1201750A GB 1201750 A GB1201750 A GB 1201750A GB 671370 A GB671370 A GB 671370A GB 671370 A GB671370 A GB 671370A GB 1201750 A GB1201750 A GB 1201750A
Authority
GB
United Kingdom
Prior art keywords
core
resin
facing layer
mould
placing
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.)
Expired
Application number
GB671370A
Inventor
Charles Kenneth Warren
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.)
John Laing Research and Development Ltd
Original Assignee
John Laing Research and Development Ltd
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 John Laing Research and Development Ltd filed Critical John Laing Research and Development Ltd
Priority to GB671370A priority Critical patent/GB1201750A/en
Publication of GB1201750A publication Critical patent/GB1201750A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E04C2/24—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 laminated and composed of materials covered by two or more of groups E04C2/12, E04C2/16, E04C2/20
    • 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
    • E04C2/22—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 reinforced

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

1,201,750. Layered panels. JOHN LAING RESEARCH & DEVELOPMENT Ltd. 1 Sept., 1967, No. 6713/70. Divided out of 1,200,301. Headings B5A and B5N. A sandwich structure comprising a core 1 formed from a mixture of pulverized fuel ash and a resin and outer layers 2 and 3 each of a material different from that of the core may be made by coating the face of a mould with a polyester resin and allowing the resin to partially cure, placing in the mould a facing layer of a material different from that of the core but impregnated with a resin, spreading over the facing layer the core material in the form of pulverized fuel ash, placing a second facing layer on to the core material and curing the structure so formed. In an alternative embodiment, the core material which may contain chalk powder or silica flour may be moulded prior to application of the outer layers.
GB671370A 1967-09-01 1967-09-01 Sandwich structures Expired GB1201750A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB671370A GB1201750A (en) 1967-09-01 1967-09-01 Sandwich structures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB671370A GB1201750A (en) 1967-09-01 1967-09-01 Sandwich structures

Publications (1)

Publication Number Publication Date
GB1201750A true GB1201750A (en) 1970-08-12

Family

ID=9819416

Family Applications (1)

Application Number Title Priority Date Filing Date
GB671370A Expired GB1201750A (en) 1967-09-01 1967-09-01 Sandwich structures

Country Status (1)

Country Link
GB (1) GB1201750A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee