Electric heating – Metal heating – For bonding with pressure
Reexamination Certificate
2005-06-28
2005-06-28
Kerns, Kevin P. (Department: 1725)
Electric heating
Metal heating
For bonding with pressure
C219S120000
Reexamination Certificate
active
06911616
ABSTRACT:
A weld gun for performing a welding operation on a workpiece includes a pair of opposing arms, at least one arm movable relative to the opposing arm to apply pressure to the workpiece during a welding operation. A pair of identical or mirror image side plates support components of the weld gun to establish critical dimensions of the components relative to one another, while preventing tolerance buildup of critical dimensions at critical points. A guide block is connected to one of the opposing arms. The guide block has a non-circular aperture formed therein. An electrode adapter has a non-cylindrical rod portion slidably received in the non-circular aperture formed in the guide block for preventing rotation of the electrode adapter. A hose fitting is attachable directly to a rear end of the electrode adapter for communicating with an inlet water port and an outlet water port formed in the electrode adapter for providing a routing of coolant directly through the electrode adapter only.
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Patent Abstracts of Japan, Publication No. 02307685A, published Dec. 20, 1990 from Application No. 01127872 filed May 23, 1989.
Hendricks Ronald R.
Kilabarda Velibor
Mannix Fred A.
Kerns Kevin P.
Progressive Tool & Industries Co.
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