Impulse heat generation and sealer apparatus

Details Impulse heat generation and sealer apparatus Impulse heat generation and sealer apparatus

1980-05-08

1981-09-29

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Presses or press platen structures, per se

53373, 100 93P, 156498, 156581, 493209, B30B 1534

Patent

active

042921180

ABSTRACT:
The improved impulse heat generation and sealer apparatus of the present invention comprises preferably a metallic heat sink block bearing a shallow groove on the face surface thereof. The shallow groove is lined with a thin layer of an electrical insulator/heat conductor and the groove is filled with a preferably metallic electrically conductive material to form a smooth and preferably co-planar surface with the face surface of the metallic block. This smooth surface is coated with a thin layer of a release coating. A resilient mating surface is provided in preferred embodiments for reciprocating motion, whereby an electrical impulse rapidly generates heat in the groove filler material to bond together sheets of a polymeric material disposed between the mating surfaces, and the heat is rapidly dissipated to prevent damage to the sealed sheets. In other embodiments, the heat sink structure may be utilized in heat radiators or any other fast cycling heat exchanger.

REFERENCES:
patent: 2574095 (1951-11-01), Langer
patent: 2621704 (1952-12-01), Langer
patent: 3262833 (1966-07-01), Zelnick
patent: 3660210 (1972-05-01), Chapman
patent: 3692613 (1972-09-01), Pederson
patent: 3927297 (1975-12-01), Reil
patent: 4062718 (1977-12-01), Hay

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