Mold apparatus
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United States of America Patent
Stats
-
Jan 22, 1980
Grant Date -
N/A
app pub date -
Sep 28, 1978
filing date -
Sep 28, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A mold apparatus is provided having a stationary injection mold block and a movable compression mold block. A female mold member is formed in the injection mold block whereas the compression mold block contains a movable male mold member so that when the injection and compression mold blocks are placed in an operative position, a mold cavity is defined by and between the female and male mold members. Means are provided to feed a shot of thermoplastic resin into the mold cavity and, at a predetermined time in the mold cycle, move the male mold member into co-acting, mating relationship within the female mold member so that the thermoplastic part obtained is produced by concurrently employing both injection and compression molding principles.
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