Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1977-05-02
1978-06-20
Cannon, J.C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
428233, 428236, 428247, 428255, 428256, 428293, 428294, B32B 1508, B32B 1512, B32B 1514, B32B 1706
Patent
active
040963047
ABSTRACT:
A fire-retardant sheet comprising, as four superposed layers, a fire-retardant paper sheet, coated on one surface with a plastic material and on the other surface with a metal foil and having a scrim of fibreglass between the foil and paper, said sheet additionally comprising a further plastic sheet or layer laminated thereto with the interposition of a mesh.
REFERENCES:
patent: 1387011 (1921-08-01), Ratcliff
patent: 1611031 (1926-12-01), Henderson
patent: 1890504 (1932-12-01), Ferguson
patent: 3862877 (1975-01-01), Camden
patent: 3935355 (1976-01-01), Kuhn
Cannon J.C.
Flexipane Limited
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