Reinforcing composite for roofing membranes and process for maki

Details Reinforcing composite for roofing membranes and process for maki Reinforcing composite for roofing membranes and process for maki

1986-08-08

1988-08-09

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Weight per unit area specified

156176, 156278, 156313, 156324, 428141, 428285, 428286, 428287, 428340, 428489, B32B 506, D04H 302

Patent

active

047627441

ABSTRACT:
A reinforcing composite for bituminous roofing membranes is made by combining as a first layer an open network of non-woven adhesive-free continuous filament yarns and as second and third layers, placed one on each side of the first layer, lightweight preformed mats or networks, and thereafter impregnating them with an adhesive resin which is then dried or cured.

REFERENCES:
patent: 3728195 (1973-04-01), Bolles
patent: 4230762 (1980-10-01), Iwosaki et al.
patent: 4368228 (1983-01-01), Gorgati
patent: 4491617 (1985-01-01), O'Connor et al.
patent: 4539254 (1985-09-01), O'Connor et al.
patent: 4617229 (1986-10-01), Larrsson et al.

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