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
1982-03-02
1983-11-29
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
264122, 264257, 264259, 428288, 428326, B28B 900
Patent
active
044180314
ABSTRACT:
A moldable fibrous mat from which a product of predetermined shape can be molded by the application of heat and/or pressure. The mat consists essentially of base fibers and carrier fibers with the base fibers having a substantially higher softening temperature, if any, than the carrier fibers. The fibers intertwine to resist separation. The carrier fibers are bonded to the base fibers and to each other to form connections. There is also disclosed a method by which the moldable fibrous mat is made and product made from the mat, which product may be of uniform density or have areas of differing density.
REFERENCES:
patent: 2483405 (1949-10-01), Francis
patent: 4247510 (1981-01-01), Desverchere
Doerer Richard P.
Karpik Joseph T.
Bell James J.
Van Dresser Corporation
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