Process and device for controlling the molding of a container
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Mar 16, 2001
filing date -
Sep 19, 1998
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The process and device are intended for controlling the molding of a container during the manufacture of containers from a thermoplastic material. At least two previously injection-molded preforms are temperature-treated and delivered in succession to at least one blow station for blow molding of the preforms into containers. In order to compensate for nonuniform temperature distribution in the material of the preforms relative to one another, at least one blow parameter during molding of the preforms into containers is specified in a fashion that differs from one to the next. The differing specification is made in such a manner as to compensate for the nonuniform temperature distribution so that containers with approximately identical spatial distribution of wall material, orientation properties, and crystallization characteristics exist when the blow-molding process is finished.
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