Bag making machine control

Details Bag making machine control Bag making machine control

1992-11-17

1994-10-25

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Automatic and/or material-triggered control

156515, 226 49, B31B 114

Patent

active

053585925

ABSTRACT:
A bag making machine for producing thermosplastic resin film bags including rollers for intermittently advancing a flat tubular web of thermoplastic resin film, a sealing assembly positioned downstream from the roller, a heated cutting bar having a sharp edge for providing efficient cutting and concomitantly preventing build-up of carbon by-product, roller elements for reversing the direction of advancement of the resin film, first drive elements for controllably driving the rollers in first and second directions and second drive elements for transversely driving the sealing and heated cutting bar toward and away from the flat web of thermoplastic resin film.

REFERENCES:
patent: 3902954 (1975-09-01), Lotto
patent: 3948425 (1976-04-01), Bala
patent: 4077306 (1978-03-01), Wech
patent: 4101363 (1978-07-01), Lotto
patent: 4115182 (1978-09-01), Wildmoser
patent: 4193329 (1980-03-01), Strunc
patent: 4396449 (1983-08-01), Tumminia
patent: 4737904 (1988-04-01), Ominata
patent: 4796499 (1989-01-01), Achelpohl

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