Hand held electro-mechanism sealer

Details Hand held electro-mechanism sealer Hand held electro-mechanism sealer

1976-04-09

1977-03-22

Drummond, Douglas J.

Electric heating

Metal heating

Of cylinders

156380, 219 1077, H05B 904, B32B 1902

Patent

active

040138607

ABSTRACT:
A hand held sealer compresses and welds tubing intermediate a pair of jaws, which jaws also serve as the plates of a variable capacitor of an Rf resonant circuit. The flow of power intermediate the jaws generating the heat applied to accomplish the weld is a function of the spacing of the jaws, whereby the applied power is regulated to weld but not destructively melt the tubing.

REFERENCES:
patent: 2467782 (1949-04-01), Schuman
patent: 2539375 (1951-01-01), Snyder
patent: 2610288 (1952-09-01), Cage
patent: 2820875 (1958-01-01), Werych et al.
patent: 3232810 (1966-02-01), Reesen
patent: 3783217 (1974-01-01), Brown

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