Power tong

Details Power tong Power tong

1991-12-11

1992-11-10

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5734, B25B 1700

Patent

active

051614383

ABSTRACT:
A power tong for tightening and untightening tubular joints; and a buckling unit with such a tong.

REFERENCES:
patent: 2453369 (1948-11-01), Grable et al.
patent: 3021739 (1962-02-01), Grundmann
patent: 3371562 (1968-03-01), Kelley
patent: 3589742 (1971-06-01), Flick
patent: 4082017 (1978-04-01), Eckel
patent: 4092881 (1978-06-01), Jurgens et al.
patent: 4280397 (1981-07-01), Peveto
patent: 4836064 (1989-06-01), Slator
patent: 5081888 (1992-01-01), Schulze-Beck
1990-91 General Services and Products Catalog Weatherford, 1989.

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