Method of molding a synthetic-resin hollow container with grip
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United States of America Patent
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Feb 18, 1992
Issued Date -
N/A
app pub date -
Nov 16, 1987
filing date -
Feb 6, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hollow container having a grip is formed by injection molding the grip and annular rings onto a blow molded container. An injection molded parison is first stretch blow molded to form a hollow container body having annular grooves. The hollow container body is then placed in a mold having molding grooves and a grip molding cavity. The molding grooves on the mold and the annular grooves on the container body together define connecting ring molding cavities. A pressure higher than ambient pressure is applied to the interior of the hollow container body. Then the grip and connecting rings are formed onto the hollow container body by injection filling the grip and connecting ring molding cavities.
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