Bag making and filling method using double film
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United States of America Patent
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-
Feb 5, 2008
Grant Date -
Aug 11, 2005
app pub date -
May 14, 2003
filing date -
May 15, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A tubular film is flattened to form a continuous two-ply film in which the two side edges are continuously connected in the longitudinal direction. This two-ply film is curved into a tubular form, the two side edges are overlapped, and a vertical seal portion is formed in the overlapping portion to form a tube body, and the tube body is filled with a product. The tube body that has been filled with product is horizontally sealed, and the horizontal seal portion that has been thus formed is cut to produce a two-ply bag package.
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Cited Art Landscape
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