发明名称 |
Mold for inner gear and mold for cylindrical product with inner gear |
摘要 |
A mold for a cylindrical product with an inner gear formed by injection molding is disclosed. The mold includes a plurality of sets of first and second inner slide cores each having inner molds with under-cut forming portions. The first and second inner slide cores move in a direction perpendicular to a center line of the inner cores at different velocities.
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申请公布号 |
US5963380(A) |
申请公布日期 |
1999.10.05 |
申请号 |
US19970878109 |
申请日期 |
1997.06.18 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
NOMURA, HIROSHI;SASAKI, TAKAMITSU |
分类号 |
B29C45/26;B29C45/44;F16H55/17;G02B7/10;(IPC1-7):G02B15/14;B28B7/20;B28B7/00;B28B7/30 |
主分类号 |
B29C45/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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