B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 5/74 (2006.01) B29C 65/00 (2006.01) B29C 65/18 (2006.01) B29C 65/78 (2006.01)
Patent
CA 2093082
The present invention relates to a method of heat sealing fitment tubes to pouches or bags of flexible film using a pair of hot bars. Also disclosed is the use of warm bars or cold bars to cool the hot bar seal. An apparatus for producing pouches with fitment tubes sealed thereto as well as the pouches so produced is also disclosed.
Mcdonald Gregory E.
Owensby Joseph E.
Cryovac Inc.
Smart & Biggar
W.r. Grace & Co.,-Conn.
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