Drill pipe wiper system and associated method

Details Drill pipe wiper system and associated method Drill pipe wiper system and associated method

2007-07-10

2009-11-24

Wright, Giovanna C (Department: 3672)

Boring or penetrating the earth

With above-ground cleaner for boring means

C166S084100, C015S104040, C015S256500

Reexamination Certificate

active

07621344

ABSTRACT:
The drill pipe wiper system includes a plurality of coextensively shaped rectilinear support rails with axially opposed ends with a plurality of openings formed in the opposed ends of the support rails, a plurality of ports penetrating an outer surface of the support rails, and a plurality of spring-loaded latch pins. The system further includes a plurality of coextensively shaped rectilinear end rails and a mechanism for attaching the support rails to a support surface. The support rail attaching mechanism includes a plurality of coextensively shaped rectilinear beams, a plurality of cotter pins, a plurality of coupling members monolithically formed with the second ends of the shafts, and a rectilinear channel. A moisture removing mechanism includes a carrier assembly with a first plate, a second plate, a plurality of first slider guides, a third plate, a fourth plate, a plurality of second slider guides, and wiper pads.

REFERENCES:
patent: 2718021 (1955-09-01), Baebel
patent: 2809012 (1957-10-01), Stevens
patent: 3733641 (1973-05-01), Brown
patent: 4457366 (1984-07-01), Brown
patent: 4690213 (1987-09-01), Stannard et al.
patent: 4895205 (1990-01-01), Thompson et al.
patent: 4982787 (1991-01-01), Reddoch
patent: 5170853 (1992-12-01), Mason et al.
patent: 5842252 (1998-12-01), Cameron et al.
patent: 5921316 (1999-07-01), McMinn

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