(19)
(11) EP 0 069 532 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.08.1984 Bulletin 1984/32

(43) Date of publication A2:
12.01.1983 Bulletin 1983/02

(21) Application number: 82303421

(22) Date of filing: 29.06.1982
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 08.07.1981 GB 8121144

(71) Applicant: Hiscock, Matthew
 ()

(72) Inventor:
  • Hiscock, Matthew
     ()

   


(54) A composite material


(57) A composite material consists of two ultraviolet stable film layers enclosing an air bubble film layer, the layers being sealed together at their peripheral edges and being especially useful. for energy conservation purposes. The composite material can, for example, be adhered or otherwise secured to a glass layer to provide a cheap, light-weight double glazed window or door.






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