Welding torch

Details Welding torch Welding torch

1975-08-20

1976-08-24

Grimley, Arthur T.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

174 15WF, 219138, 219144, 279 1T, 279 20, 403223, B23K 928

Patent

active

039768520

ABSTRACT:
An electric welding torch adapted to hold an electrode comprises a helically fluted tube made of flexible material and adapted to surround a portion of the electrode inserted in the tube. Means is provided for mounting the tube in the torch and permitting relative rotation of displaced portions of the tube along the electrode for selectively holding the electrode in the tube by physical engagement of helical land portions of the tube against the surface of the electrode and for releasing the electrode by twisting of the tube in a direction opposite that of the spiral flutes or by application of axial compression of the tube.

REFERENCES:
patent: 1577489 (1926-03-01), Peck
patent: 1705964 (1929-03-01), Dempsey
patent: 2063467 (1936-12-01), Southgate
patent: 2422265 (1947-06-01), Squires
patent: 2539610 (1951-01-01), Bunch
patent: 3217134 (1965-11-01), Audric
patent: 3294427 (1966-12-01), Hunt
patent: 3594609 (1971-07-01), Vas

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