Electric heating – Metal heating – Wire – rod – or bar bonding
Patent
1977-08-30
1979-11-13
Kucia, Richard R.
Electric heating
Metal heating
Wire, rod, or bar bonding
219 58, 219 79, 219 87, B23K 1110
Patent
active
041744756
ABSTRACT:
Structure for spot welding airport concrete steel mesh. The structure includes supports for supporting a plurality of longitudinally extending large diameter reinforcing rods in parallel spaced apart relation, structure for separately feeding individual, transversely extending reinforcing rods onto the longitudinally extending reinforcing rods at a welding position, a plurlaity of transversely aligned welding guns for simultaneously welding a transversely extending reinforcing rod to each of the longitudinally extending reinforcing rods at the welding position, and piston and cylinder structure for subsequently indexing the welded transversely extending reinforcing rods and longitudinally extending reinforcing rods a predetermined distance longitudinally of the longitudinally extending reinforcing rods, repetitively until transversely extending reinforcing rods are welded in predetermined parallel spaced apart relation over the length of the longitudinally extending reinforcing rods.
REFERENCES:
patent: 1801805 (1931-04-01), Dobrick
patent: 2810817 (1957-10-01), Brems
patent: 3405743 (1968-10-01), Robinson
patent: 3488841 (1970-01-01), Stern
patent: 3676632 (1972-07-01), Gott
patent: 3780253 (1973-12-01), Senn
patent: 4068110 (1978-01-01), Larsson
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