Electric heating – Metal heating – By arc
Reexamination Certificate
2007-07-10
2007-07-10
Shaw, Clifford C. (Department: 1725)
Electric heating
Metal heating
By arc
C219S137710
Reexamination Certificate
active
10566848
ABSTRACT:
The invention includes means for, when welding a crater in a welding termination portion, moving a torch in a direction allowing the whole of the torch to part apart from a molten pool and, therefore, the invention can prevent all welding wires from coming into contact with the molten pool. Also, the invention can check not only the crater-welded welding wire but also all of the remaining welding wires for deposition and, if there is detected a deposited wire, can energize the deposition detected wire again to thereby be able to remove the deposition of the wire.
REFERENCES:
patent: 5-245638 (1993-09-01), None
patent: 6-54462 (1994-07-01), None
patent: 2002-361413 (2002-12-01), None
patent: 2002-361414 (2002-12-01), None
patent: 2003-62669 (2003-03-01), None
Matsushita Electric - Industrial Co., Ltd.
Pearne & Gordon LLP
Shaw Clifford C.
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