RING-SHAPED INSERT MOLDED ARTICLE

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United States of America Patent

SERIAL NO

15161781

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Abstract

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A molded article 1 is configured such that an insert 2 is made of a steel plate and includes a cylindrical part 2A and an annular part 2B, a plastic 4 is annular in shape so as to be joined to the annular part 2B, inner diameter D1 of the plastic 4 is larger than inner diameter D2 of the annular part 2B so that no burrs at a gate mark E protrude to the inner diameter side of the molded article 1, the injection molding is conducted with a disc gate arranged on an inner peripheral surface F of the plastic 4 at a position separated from a surface of the annular part 2B, and the gate mark E resides on the inner peripheral surface F of the plastic 4 at a position separated from the surface of the annular part 2B.

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Patent Owner(s)

Patent OwnerAddress
NAKANISHI METAL WORKS CO LTDKITA-KU OSAKA-SHI OSAKA 530-8566

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ITO, Yoshihiro Osaka-shi, JP 238 6597
OKA, Nobumasa Osaka-shi, JP 5 1

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