I. S. machine with pressure control
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United States of America Patent
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May 28, 2013
Grant Date -
Mar 6, 2008
app pub date -
Sep 1, 2006
filing date -
Sep 1, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
An I. S. Machine includes a blow station having a blow mold which closes to support a parison with the supported parison undergoing reheat and then being blown into a bottle. When reheat takes place air at low pressure is supplied to the blow tube to pressurize the interior of the parison to prevent the formation of a birdswing in a blown bottle. Air at a second pressure is supplied to the blow tube for blowing the parison into a bottle following reheat.
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