Apparatus for preventing creases in transverse sealing
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United States of America Patent
Stats
-
May 20, 1986
Grant Date -
N/A
app pub date -
Sep 12, 1984
filing date -
Mar 27, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides an apparatus for transversely stretching a film tube at a portion to be transversely sealed and preventing creases from occurring in the transversely sealed portion of the film tube when a product fed in the film tube is separated by a squeeze roll means into a specified amount for one pack and thereafter the film tube is transversely sealed. Butterfly arms which pivotally spread apart in a fan-like manner are used for the stretching means.
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