Welding device with movable and immovable electrodes for welding

Details Welding device with movable and immovable electrodes for welding Welding device with movable and immovable electrodes for welding

1992-03-27

1993-12-21

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1053, 219 1081, 1563806, 1563804, H05B 658

Patent

active

052723038

ABSTRACT:
A portable device for welding a heat weldable tube has a main body case, a first electrode supported on an end part of the main body case, a movable member arranged opposite to the end part of the main body case, a second electrode arranged on the movable member substantially opposite to the first electrode, a manipulation member for displacing the movable member forwardly and rearwardly with respect to the end part of the main body case, a first elastic member returning the manipulation member to a predetermined position when the manipulation member has been opened, and a second elastic member providing elasticity in a direction of movement of the movable member when the movable member moves toward the end part of the main body case by the manipulation member.

REFERENCES:
patent: 3171374 (1965-03-01), Frenzel
patent: 3443733 (1969-05-01), Parente
patent: 3690994 (1972-09-01), Williams
patent: 4013860 (1977-03-01), Hosterman et al.
patent: 4390832 (1983-06-01), Taylor
patent: 4490598 (1984-12-01), Minney et al.

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