Wear resistant drill pipe collar and method of making same

Details Wear resistant drill pipe collar and method of making same Wear resistant drill pipe collar and method of making same

1976-10-01

1977-11-29

Blix, Trygve M.

Cutlery

291495R, 29433, 175325, 308239, F16C 2900

Patent

active

040602869

ABSTRACT:
A wear-resistant drill pipe collar and method of making same are provided wherein such collar has at least one annular groove defined therein and such groove has cooperating surfaces which hold a plurality of easily installed and removed wear-resistant inserts which protect the collar and its associated pipe structure against excessive wear during rotation and axial movement thereof in an abrasive environment.

REFERENCES:
patent: 1814183 (1931-07-01), Patterson
patent: 2099661 (1937-11-01), Sharp
patent: 2197778 (1940-04-01), Cowan
patent: 2288124 (1942-06-01), Creighton
patent: 2696413 (1954-12-01), Wheildon
patent: 3074767 (1963-01-01), Rosenberg
patent: 3480094 (1969-11-01), Morris
patent: 3697141 (1972-10-01), Garrett
patent: 3784238 (1974-01-01), Chance et al.
patent: 3993368 (1926-11-01), Jurgens et al.

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