Use of an open porous thermoplastic netting as the laminating ad

Details Use of an open porous thermoplastic netting as the laminating ad Use of an open porous thermoplastic netting as the laminating ad

1977-06-08

1978-12-12

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Stratified or layered articles

264121, 264122, 264248, 264257, B04H 120

Patent

active

041296370

ABSTRACT:
An apparatus for forming a mineral wool fiberboard product is described in copending application, Ser. No. 780,419, filed Mar. 23, 1977. This invention constitutes an improvement thereover in that an open porous thermoplastic netting is utilized as the laminating adhesive for bonding the open mesh glass fabric to the mineral wool fiberboard. The thermoplastic netting is fed into the forming chamber immediately over the open mesh glass fabric and beneath the layer of fibers and resins being formed thereover.

REFERENCES:
patent: 2592521 (1952-04-01), Thompson
patent: 3056005 (1962-09-01), Larson
patent: 3356780 (1967-12-01), Cole

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