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
1995-01-05
1997-01-14
Woo, Jay H.
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
264259, 264265, 264266, 425112, 425116, 425125, 425395, B29C 4320
Patent
active
055936318
ABSTRACT:
A method for producing a multilayer molded article that includes a resin body and a skin material on a surface of the resin body, which method uses a mold having male and female molds. The shortest horizontal distance of a mating gap between the horizontally outermost wall surface of the male mold to which the skin material contacts and the horizontally innermost wall surface of the female mold to which the skin material contacts is 0.25 to 3 times the minimum thickness from which the once compressed skin material can restore the original thickness. The shortest length L in a mold closing direction of a mated part formed between the outermost wall of the male mold to which the resin melt contacts and the innermost wall of of a flange of the female mold satisfies the equation:
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Hara Takahisa
Matsumoto Masahito
Usui Nobuhiro
Smith Duane S.
Sumitomo Chemical Company Limited
Woo Jay H.
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