Processes for producing hollow molded articles
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United States of America Patent
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-
May 4, 2004
Grant Date -
Jun 6, 2002
app pub date -
Jun 5, 2001
filing date -
Dec 6, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The blow-molded articles having an open end is produced by the steps of; setting a resin parison in cavity formed by a pair of metal mold members, blowing a pressurized gas into the resin parison to form an intermediate molded article, and cutting a predetermined part of the intermediate molded article with forward or backward movement of a cutting means. The cutting means is attached to the one member of the metal mold members and movable reciprocally in a cross direction relative to the longitudinal or axial direction of the metal mold members. The cutting means may be guided movably along a groove or slit formed in the metal mold members.
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