Bag making machine sealer slitter apparatus

Details Bag making machine sealer slitter apparatus Bag making machine sealer slitter apparatus

1989-07-14

1991-02-19

Terrell, William E.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

493203, 493206, 493209, 493470, B32B 3120

Patent

active

049941372

ABSTRACT:
A bag making machine sealer slitter apparatus for transversely sealing together and severing two layers of a tubular web of thermoplastic resin film, thereby forming a bag wherein the sealer slitter apparatus essentially comprising a sealing mans having two opposing seal bars equipped with heaters and a severing means including a retractable, superheated cutting edge.

REFERENCES:
patent: 2711779 (1955-06-01), Carland
patent: 3384528 (1968-05-01), Lehmacher et al.
patent: 3574039 (1971-04-01), Fehr et al.
patent: 3775225 (1973-11-01), Schott, Jr.
patent: 3940305 (1976-02-01), Stenberg
patent: 4767482 (1988-08-01), Diez et al.
patent: 4872942 (1985-10-01), Sharps, Jr. et al.

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