(19)
(11) EP 0 036 284 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
16.12.1981 Bulletin 1981/50

(43) Date of publication A2:
23.09.1981 Bulletin 1981/38

(21) Application number: 81300994

(22) Date of filing: 10.03.1981
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 14.03.1980 GB 8008761

(71) Applicant: BLEVEX LIMITED
 ()

(72) Inventors:
  • Prentice, Edgar Cecil
     ()
  • Fryer, Kevin Chamberlain
     ()

   


(54) Method of forming a heat protective barrier


(57) To form a heat resistant and protective barrier a plurality of layers (2,2', 2") of expanded aluminium foil are assembled together and then sprayed (6) with an intumescent material to coat each of the layers with the material to provide a barrier with a plurality of layers.






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