Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1975-01-17
1979-02-13
Bell, James J.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
156178, 156212, 156231, 156235, 156238, 156239, 156246, 264 12, 264 80, 264258, 428245, 428251, 428268, B29N 902
Patent
active
041395913
ABSTRACT:
A laminating material such as a fibrous glass formed as a woven fabric or chopped strand mat which has been coated with a plastic resin on both sides thereof. The plastic resin is applied so that it does not permeate the fibers of the reinforcing material but is only adhered on the surfaces thereof. The resin coating is maintained intact on the reinforcing material by incorporation of a fine light mat, referred to as a carrier, in the resin coating.
The reinforcing material can be made by initially laying down a resin coating on release film, together with the carrier. After processing of the resin to its final tackiness required for laminating, the resin sheet is adhered to one or preferably both surfaces of the laminating fabric.
REFERENCES:
patent: 2649396 (1953-08-01), Witt et al.
patent: 2650184 (1953-08-01), Biefield
patent: 3622416 (1971-11-01), Brandt
patent: 3928210 (1975-12-01), Peterson
Bell James J.
Bethel George F.
Bethel Patience K.
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