Heat sealing apparatus and method

Details Heat sealing apparatus and method Heat sealing apparatus and method

1982-05-10

1983-12-06

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563084, 156553, 1565835, 493193, 493205, 493206, 493208, B30B 506, B30B 1534

Patent

active

044191677

ABSTRACT:
Profiled heat seals in plastic film are provided by opposed profiled heat sealing platens supported on endless chains. The platens are heated by contact with associated heating drums.

REFERENCES:
patent: 3004881 (1961-10-01), van der Meulen
patent: 3883386 (1975-05-01), Garbini et al.
patent: 4198259 (1970-04-01), van der Meulen
patent: 4244772 (1981-01-01), Achelpohl

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