Method and apparatus for forming an integral closure for a thermoplastic container
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United States of America Patent
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May 7, 1985
Issued Date -
N/A
app pub date -
Mar 5, 1984
filing date -
Feb 8, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved high speed cast process and apparatus for fusing fasteners, with enlarged bases, to separately extruded film or sheet stock, for forming into containers with integral closure means. The invention utilizes joining of the fasteners, bases and film or sheet stock within the extrusion die to insure secure joining thereof with relative ease.
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Cited Art Landscape
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