Packaging machine

Details Packaging machine Packaging machine

1989-12-19

1991-07-16

Coan, James F.

Package making

With cover-adjunct application or formation

Adjunct comprising nonencircling strip, e.g., stamp, label...

53552, 1562724, B65B 908, B65B 6100

Patent

active

050313800

ABSTRACT:
A packaging machine for use with a paper-base laminate serving as a packaging material and having a thermoplastic synthetic resin layer on each surface of a paper layer comprises a container forming unit for forming a content-filled tube into baglike containers after the web is made into a tube and contents are filled thereinto. The unit has jaws for clamping the content-filled tube at regular lengthwise intervals each corresponding to one container to heat-seal the tube over a required width and cut the tube at the midportion of the seal width, and the jaws are provided with a high-frequency coil for heat sealing. The machine further has a unit for affixing a tape of aluminum foil for high-frequency induction heating to the web at the portion thereof to be heat-sealed before the web is made into the tube.

REFERENCES:
patent: 3528867 (1970-09-01), Leatherman et al.
patent: 4077308 (1978-03-01), Scully
patent: 4384438 (1983-05-01), Hilmersson
patent: 4622799 (1986-11-01), Boston
patent: 4637199 (1987-01-01), Steck et al.
patent: 4726171 (1988-02-01), Kreager et al.

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