Process and apparatus for joining objects together

Details Process and apparatus for joining objects together Process and apparatus for joining objects together

1973-01-22

1976-07-27

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

144281C, 156323, 156380, 219 1053, 219 1081, B29C 2700, H05B 706

Patent

active

039716937

ABSTRACT:
A process for joining objects, such as wooden boards, by means of a cement adapted to be hardened in an electric high-frequency field between a pair of electrodes, wherein the section of the objects situated between the electrodes is sealed off by means of a suitable layer of resilient material pressed against the surfaces of the objects to prevent steam and ionized gases from escaping from the objects to the surrounding space, thereby permitting a substantial increase of the electric energy applied without risk of spark discharge between the electrodes. The invention also provides a device for performing this process, comprising a pair of electrodes provided with a layer of such resilient material.

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patent: 3281566 (1966-10-01), Zelnick

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