Apparatus for making a parison for blowmolding of a hollow article
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United States of America Patent
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Jan 28, 1986
Issued Date -
N/A
app pub date -
Jan 25, 1984
filing date -
Jan 16, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The heated end of a parison is brought into a finish mold form to shape a finish profile suitable for setting up a closure. The parison is axially stretched by a stretch pin to pull out the heated plastic material adjacent the profile to a thinner cross section. This allows to obtain a considerable saving of weight of the plastic material.
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