Expansion injection molding process and mold for expansion injection molding

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United States of America Patent

PATENT NO 8691128
APP PUB NO 20090140447A1
SERIAL NO

11718945

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Importance

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Abstract

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To provide an expansion injection molding process, which is freed from the occurrence of swirl marks on the surface of a molded article and by which foamed injection moldings having good appearance can be produced in a short molding cycle and at a low cost; and a mold for expansion injection molding.

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Patent Owner(s)

Patent OwnerAddress
PRIME POLYMER CO LTDTOKYO 105-7117

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawamura, Tatsuji Ichihara, JP 9 31
Nagano, Akinori Bungsue Bangkok, TH 1 9

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