Electric heating – Metal heating – For bonding with pressure
Patent
1986-07-08
1988-09-13
Goldberg, E. A.
Electric heating
Metal heating
For bonding with pressure
219 8625, 219 89, B23K 1100
Patent
active
047711604
ABSTRACT:
Welding tongs for dot or spot welding having two arms which are disposed without crossing relationship and carrying weld electrodes respectively on one end. The arms are made of flat, spaced bars, and a substantially flat spacing member made of an elastic or resilient material, spaces the two arms from each other thereby interconnecting the tong arms in a range of pivot motion of the arms. An E-shaped mounting member limits lateral deflection of the tong arms and holds the spacing member. A hydraulic drive is connected to the other ends of the tong arms for obtaining the pivot motion of the arms in relation to each other, through tensioning and upsetting or compression of the spacing member.
REFERENCES:
patent: 4551605 (1985-11-01), Numata et al.
Cadwallader, R. and Hazel, K., "Memory Plane Terminal Welder", IBM Disclosure Bulletin, vol. 8, No. 4, Sep. 1965, pp. 516-517.
Pitsch Franz F.
Ulrich Lothar
Goldberg E. A.
Lothar Schmitt GmbH
Siegemund Ralf H.
Sigda C. M.
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