Method for cleaning threaded portions of tubular members

Details Method for cleaning threaded portions of tubular members Method for cleaning threaded portions of tubular members

1996-07-29

1997-08-05

Warden, Jill

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 2211, 134 2212, 134 24, B08B 902

Patent

active

056538197

ABSTRACT:
A process for removing impurities from the threaded end of a tubular member by placing a housing around the end of the first end of the member, for defining a collection space between the member and the housing; sealing the bore of the member with an inflatable bladder positioned within the bore the first end of the member; sealing the space between the wall of the housing and the wall of the tubular member so that the collection space is maintained within the housing; spraying the threads of the first end of the member with a pressurized spray so that the contaminants are removed from the threads and are collected in the housing; and removing the contaminated fluid collected in the housing during the spraying process so that the contaminated fluid does not make contact with the surrounding environment.

REFERENCES:
patent: 3407099 (1968-10-01), Schell
patent: 3874926 (1975-04-01), Horne et al.
patent: 4083384 (1978-04-01), Horne et al.
patent: 4157096 (1979-06-01), Miller, Jr.
patent: 4600444 (1986-07-01), Miner

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