Metal mold device
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United States of America Patent
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Sep 17, 1985
Grant Date -
N/A
app pub date -
Feb 14, 1984
filing date -
Feb 16, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Present invention relates to a metal mold device comprising a female die, a die frame having a hole and a male die assembly moving along an axis of the hole to produce a plastic molding having an opening with a partially waved inner sidewall. The male die assembly comprises a generally upwardly tapering central base having a rectangular top and four side slopes, a pair of opposed primary slide members and a pair of opposed auxiliary slide members. The primary slide members are strictly mounted on the opposed side slopes respectively while the auxiliary slide members are loosely mounted on the remained opposed side slopes respectively.
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