Impulse heat generation and sealer apparatus

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

B - Operations, Transporting

30

B

309/1

B30B 15/34 (2006.01) B29C 65/18 (2006.01) B29C 65/22 (2006.01) B29C 65/38 (2006.01)

Patent

CA 1143419

IMPROVED IMPULSE HEAT GENERATION AND SEALER APPARATUS ABSTRACT OF THE DISCLOSURE 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 con- ductor and the groove is filled with a preferably metallic electrically conductive material to form a smooth and pre- ferably 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 sur- face is provided in preferred embodiments for reciprocat- ing motion, whereby an electrical impulse rapidly gener- ates heat in the groove filler material to bond together sheets of a polymeric material disposed between the mat- ing surfaces, and the heat is rapidly dissipated to pre- vent 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.

377068

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