Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other
Patent
1987-11-13
1989-03-14
Watson, Robert C.
Work holders
Plural holders to hold workpieces relative to each other
Workpieces parallel to each other
269 87, 269902, 292815, B25B 120
Patent
active
048119369
ABSTRACT:
A device for facilitating the welding together of pieces of welding wire comprises a pair of complementary vise units which are connected together for relative linear movement and are spring-loaded toward a limit position in contact with each other. In use, two pieces of welding wire are clamped in the respective vise units in such relative positions that they are in end to end contact while the vise units are separated from their limit position against their spring loading. Welding current is then applied to the junction of the wires until they are sufficiently softened for the spring-loading of the device to force their softened ends together and thereby to complete the welded joint therebetween.
REFERENCES:
patent: 731665 (1903-07-01), Clayton
patent: 1916556 (1933-07-01), Butt
patent: 2105954 (1938-01-01), Rippe
patent: 2638676 (1953-05-01), Callahan
patent: 4054984 (1977-10-01), Ball et al.
patent: 4650379 (1987-03-01), Joskolski
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