Apparatus for removing threaded parts from plastic injection molds
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 21, 2002
Grant Date -
N/A
app pub date -
Jun 1, 2000
filing date -
Jun 1, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for forming threaded molded parts such as closures for containers having improved means for unthreading the formed part from the mold core. The apparatus includes a cavity part and a core part, the cavity part being rotatable relative to the core part, such that simultaneous rotation of the cavity and opening of the mold results in unthreading of the part from the core. The mold cavity is rotationally coupled to a mold cavity rotator which is preferably driven by means of a rack. The rotation of the mold cavity is timed with the mold opening step such that the threaded part is unthreaded from the core as the mold plates are separated.
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