Apparatus for rethreading tubular members

Details Apparatus for rethreading tubular members Apparatus for rethreading tubular members

1981-11-06

1983-09-06

Combs, Ervin M.

Metal working

Plural diverse manufacturing apparatus including means for...

With turret mechanism

10 1B, 10 87, 10107PH, 82 25, 82 27, B23B 704, B23G 122, B23B 1500

Patent

active

044021208

ABSTRACT:
The present disclosure relates to methods and apparatus for rethreading damaged or incorrectly threaded tubular members such as tool joints, casing, and tubing for oil wells, which methods and apparatus are particularly advantageous for use with NC and CNC machines.

REFERENCES:
patent: 2236047 (1941-03-01), Wattleworth
patent: 4064774 (1977-12-01), Maddock
patent: 4296657 (1981-10-01), Yasuba et al.

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