Rotary blow molding machine
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United States of America Patent
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-
Nov 24, 1998
Grant Date -
N/A
app pub date -
Feb 12, 1997
filing date -
Feb 12, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A rotary blow molding machine includes a horizontal main shaft with a plurality of molds spaced around the shaft and mounted on the shaft by linear bearings for movement along the shaft. A shaft drive rotates the shaft and molds around the axis of the shaft in the steps and dwells the shaft and molds between steps. Open molds are rotated from a lower container eject position up to a parison capture position and then close on a parison. The closed molds are shifted axially along the main shaft and the parison is blown. Further rotation of the shaft returns the molds to the mold eject position where the molds open and molded containers are ejected downwardly with gravity assist.
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Cited Art Landscape
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