Use of electroless nickel coating to prevent galling of threaded

Details Use of electroless nickel coating to prevent galling of threaded Use of electroless nickel coating to prevent galling of threaded

1982-10-21

1985-07-09

Arola, Dave W.

Pipe joints or couplings

With casing, lining or protector

Lined

285 94, 285333, 285422, 427305, F16L 914

Patent

active

045278156

ABSTRACT:
The present invention discloses the use of electroless nickel coatings on oil country tubular goods to eliminate galling of the threads, provide a tortuous path as a sealing surface, and provide porous lubricant reservoirs.

REFERENCES:
patent: 1141151 (1915-06-01), Speller
patent: 3355192 (1967-11-01), Kloesel et al.
patent: 3468563 (1969-09-01), Duret
patent: 4002778 (1977-01-01), Bellis et al.
patent: 4379575 (1983-04-01), Martin

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