Parison supply device and supply method, and blow molding machine and blow molding method using same
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United States of America Patent
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Apr 28, 2020
Grant Date -
Jun 22, 2017
app pub date -
Jul 27, 2015
filing date -
Aug 4, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A blow molding capable of maintaining the parison thickness distribution uniform, fabricating high-quality molded products, and improving its productivity. A parison supply device for supplying, to a blow mold, a parison discharged from an extrusion die, the parison supply device including: a pair of chucks for pinching, from above and below, a parison discharged downward from the extrusion die; and a chuck operation part for controlling an operation of pinching the parison by the pair of chucks and an operation of moving the pair of chucks. By the chuck operation part, the pair of chucks performs the operation of pinching the parison while being moved downward.
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