Method for injection molding of high quality parts
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United States of America Patent
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-
Sep 11, 2001
Grant Date -
N/A
app pub date -
Feb 2, 1999
filing date -
Feb 2, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method and apparatus for injection molding of high quality thermoplastic parts is such that a conventional movable mold half is mounted on a movable platen of the injection molding machine, and a special stationary mold half is mounted on the stationary platen. The stationary mold half includes a stationary plate secured to the stationary platen, with the stationary plate including stationary mold inserts. Each stationary mold insert has a stationary mold insert surface. An A-half parting line plate is movably attached to the stationary plate, with the A-half parting line plate being movable with respect to the stationary plate and the stationary mold inserts. A driving device, such as a hydraulic cylinder, is disposed between the stationary plate and the A-half parting line plate, with the driving device driving the A-half parting line plate toward and away from the stationary plate. A control circuit is provided for controlling the driving device to control a movement of the A-half parting line plate with respect to the stationary plate.
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