Weather-resistant transparent composite film

Details Weather-resistant transparent composite film Weather-resistant transparent composite film

1978-11-13

1980-12-30

Ansher, Harold

Stock material or miscellaneous articles

Composite

Of polycarbonate

156 71, 156 99, 156106, 156108, 160 19, 428483, 428520, 428522, 428910, 428911, 428913, B32B 2730, B32B 2706

Patent

active

042424143

ABSTRACT:
A composite film structure which is useful as a non-brittle, impact-resistant, exceptionally durable, window pane in greenhouses and similar structures, or as storm windows, solar collector covers, etc., comprises an oriented polycarbonate support film laminated to a weather-resistant oriented film of polymethylmethacrylate.

REFERENCES:
patent: 2787568 (1957-04-01), Koblitz
patent: 3309219 (1967-03-01), Etherington
patent: 3318975 (1967-05-01), Deichert et al.
patent: 3457104 (1969-07-01), Bristol
patent: 3532590 (1970-10-01), Priddle
patent: 3582398 (1971-06-01), Ringler
patent: 3661685 (1972-05-01), Osteen
patent: 3681167 (1972-08-01), Moore
patent: 3707397 (1972-12-01), Gagnon
patent: 3810815 (1974-05-01), Welhart et al.
patent: 3908052 (1975-09-01), Sanders
patent: 4064314 (1977-12-01), McKenzie
patent: 4107391 (1978-08-01), Moore et al.
patent: 4146658 (1979-03-01), Humphrey

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