Electric heating – Metal heating – By arc
Patent
1989-12-21
1990-12-18
Shaw, Clifford C.
Electric heating
Metal heating
By arc
B23K 924
Patent
active
049788310
ABSTRACT:
The present invention relates to an improved carbon dioxide welding gun which is equipped with a two-piece bushing mechanism where a welding rod guide member is easily detached or inserted into operative condition in an efficient manner. The two-piece bushing mechanism includes a front conical tip member and a rear support member which are releasably secured each to the other by means of threaded sections. In this manner, the welding gun of the subject invention concept prevents accumulation of carbon residues so that the service life of the overall system is extended.
REFERENCES:
patent: 3529128 (1970-09-01), Cruz, Jr.
patent: 3825720 (1974-07-01), Zillinger, Jr.
patent: 4560858 (1985-12-01), Manning
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