Method & apparatus for sealing fitment tubes into pouches

Details Method & apparatus for sealing fitment tubes into pouches Method & apparatus for sealing fitment tubes into pouches

1994-03-11

1996-01-16

Lavinder, Jack W.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493206, 493212, 493213, B31B 184, B31B 4904

Patent

active

054843758

ABSTRACT:
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.

REFERENCES:
patent: 4027577 (1977-06-01), Thompson
patent: 4650452 (1987-03-01), Jensen
patent: 4732299 (1988-03-01), Hoyt
patent: 4902269 (1990-02-01), Susini
patent: 4981463 (1991-01-01), Susini
patent: 5100369 (1992-03-01), Keeler

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