Electric heating – Metal heating – Wire – rod – or bar bonding
Patent
1977-07-27
1979-04-10
Kucia, Richard R.
Electric heating
Metal heating
Wire, rod, or bar bonding
219 8661, 219 87, 219116, B23K 1110
Patent
active
041490592
ABSTRACT:
The invention relates to electrical multi-spot resistance welding machine for the production of welded bar gratings produced by welding cross-bars into the narrow side of parallel, upright flat bars. Such a machine has a pressure-beam which is guided vertically on a frame for lowering onto and raising away from the bars to be welded. Two rows of electrodes are disposed on the pressure beam, the rows being transverse to the feed path of the flat bars and the electrodes in the two rows being aligned in the feed direction of the flat bars and the electrodes of each aligned pair thus formed are connected to the secondary terminals of opposite polarity of a respective welding transformer. The electrodes are mounted in the pressure beam such that the electrodes of each pair aligned in the feed direction of the flat bars, are at least partially independently slidable vertically within the beam against a biasing force, the pressure beam and the welding transformers being mounted in a single unit for lowering and raising together. Short flexible supply leads connect the electrodes with the transformers.
REFERENCES:
patent: 1189584 (1916-07-01), Kicklighter
patent: 2269091 (1942-01-01), Humphrey
patent: 2556602 (1951-06-01), Schwartz
patent: 3469055 (1969-09-01), Gott
patent: 3588417 (1971-06-01), Gott
patent: 3725632 (1973-04-01), Ritter
patent: 3731042 (1973-05-01), Ritter
patent: 3936628 (1976-02-01), Ritter
Gott Hans
Ritter Gerhard
Ritter Josef
Ritter Klaus
Scherr Rudolf
EVG Entwicklungsu. Verwertungs-GmbH
Kucia Richard R.
Marmorek Ernest F.
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