Heat-sealing device for thermoplastic films

Details Heat-sealing device for thermoplastic films Heat-sealing device for thermoplastic films

1989-09-08

1991-01-01

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With cutting, punching, piercing, severing, or tearing

1565832, 493194, 493203, B29C 6522, B29C 6538

Patent

active

049815466

ABSTRACT:
A heat sealing apparatus includes a pair of sealing jaws and means for closing the jaws, the first of said jaws having an electrical impulse sealing element mounted thereon, covered with a release sheet, and the second of said jaws having a resilient pad mounted thereon, covered with a release sheet, wherein a heat dispersing foil is between the resilient pad and the release sheet which covers the pad.

REFERENCES:
patent: 3015601 (1962-01-01), Fener
patent: 3692613 (1972-09-01), Pederson
patent: 3982991 (1976-09-01), Hamm et al.

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