Electric heating – Metal heating – For bonding with pressure
Patent
1993-03-12
1995-01-03
Evans, Geoffrey S.
Electric heating
Metal heating
For bonding with pressure
219 8631, 219120, B23K 1131
Patent
active
053788680
ABSTRACT:
A shut off check valve for controlling cooling fluid flow to weld tips of a resistance welding gun. The valve is disposed within the weld gun housing and selectively interrupts cooling fluid flow between fluid inlet and outlet ports.
REFERENCES:
patent: 2409550 (1946-10-01), Dobkowski
patent: 2677744 (1954-05-01), Fahrenbach
Burkhardt James F.
Burnham Daniel R.
Burnham David A.
Matheson Ronald R.
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