Sealing apparatus applied to a vertical type forming, filling and closing machine for flexible package
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Dec 5, 2000
Grant Date -
N/A
app pub date -
Jun 16, 1999
filing date -
Jun 16, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealing apparatus applied to a vertical type flexible package forming, filling and closing machine includes a heater block arranged near a filling tube and having a heating ridge, and a web guide attached to the outer surface of the filling tube and having a pair of guide rails, and the heating ridge cooperates with the pair of guide rails to hold the joint of a traveling package web therebetween in such a manner that the joint is elastically deformed in convex form in cross section, whereby the joint is concentratedly applied with heat and thus is heat-sealed.
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