Electric heating – Metal heating – By arc
Patent
1987-04-20
1988-10-18
Shaw, Clifford C.
Electric heating
Metal heating
By arc
2191372, 901 42, B23K 900
Patent
active
047789760
ABSTRACT:
Apparatus to prevent the formation of welding material about the outlet end of a welding nozzle comprising valve units activated upon contact by engagement thereby of the welding nozzle, a pneumatic system connected with the valve units, and reciprocal hammer device proximate the valve units and fluid connected to the pneumatic system, the hammer device operable by the pneumatic system upon activation of the valve units to repeatedly strike the welding nozzle, thereby dislodging any material build-up thereon. The apparatus further includes a spraying unit connected with the valve units and pneumatic system to spray an anti-welding spatter compound toward and into the outlet of the welding nozzle.
REFERENCES:
patent: 2938994 (1960-05-01), van der Willigen et al.
patent: 3284608 (1966-11-01), McDonald
patent: 3396263 (1968-08-01), Even et al.
patent: 3963895 (1976-06-01), Hennion
patent: 4280043 (1981-07-01), Feix et al.
patent: 4609804 (1986-09-01), Kishi et al.
Litt Richard O.
Lorentzen Joel E.
Genesis Systems Group, Ltd.
Shaw Clifford C.
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