Sheet molding compounds, production processes therefor, and mold

Details Sheet molding compounds, production processes therefor, and mold Sheet molding compounds, production processes therefor, and mold

1994-04-14

1996-04-09

Withers, James D.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428237, 428240, 428283, 4283133, 4283135, 4283186, B32B 702, B32B 516, B32B 326

Patent

active

055060390

ABSTRACT:
Sheet molding compounds which comprising two layers, one being a sheet molding compound layer containing a hollow, lightweight filler particles (referred to as Type A layer) and the other being another type of sheet molding compound layer not containing lightweight, hollow filler particles (referred to as Type B layer), with the above-mentioned Type A and Type B layers making up a consistently integrated structure.

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patent: 4481241 (1984-11-01), Kawashima et al.
patent: 4643940 (1987-02-01), Shaw et al.
patent: 4900629 (1990-02-01), Pitolaj

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