Multi-injection molding machine for molding a multi-injection body
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United States of America Patent
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Jun 25, 1991
Issued Date -
N/A
app pub date -
Jul 17, 1989
filing date -
May 11, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multi-injection molded body made of at least a first and a second resin is molded, an undercut is formed generally by pressing a part of the surface about an aperture opening formed in a first molded body made of the first resin to project interior side wall faces of the aperture inward, and injecting a second resin to mold a second molded body in the aperture. The multi-injection molded body thus formed has an undercut in the aperture, so that the second molded body is tightly fixed to the first molded body. A multi-injection molding machine for producing the first and second molded bodies is also provided.
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