System for conveying a fluid through an under-the-ground locatio

Details System for conveying a fluid through an under-the-ground locatio System for conveying a fluid through an under-the-ground locatio

1995-08-28

1996-12-03

Novosad, Stephen J.

Hydraulic and earth engineering

Subterranean or submarine pipe or cable laying, retrieving,...

141 44, 2851331, 138173, F16L 11115, F16L 1120, F16L 700

Patent

active

055801862

ABSTRACT:
A system for conveying a fluid through an under-the-ground location and method of making the same are provided, the system comprising a primary flexible conduit for conveying the fluid therethrough and having an outer peripheral surface and an inner peripheral surface, and an outer secondary conduit having at least a portion of the primary conduit removably disposed therein and having an inner peripheral surface and an outer peripheral surface that engages the ground in the under-the-ground location thereof, the secondary conduit having the inner peripheral surface thereof comprising a helically disposed and inwardly directed projection thereof that engages the outer peripheral surface of the primary conduit in a spiral manner and cooperates therewith to define a helically disposed passage that extends therebetween throughout substantially the entire engagement area thereof.

REFERENCES:
patent: 2983506 (1961-05-01), Bertsch et al.
patent: 3753287 (1973-08-01), Ziemek et al.
patent: 3974862 (1976-08-01), Fuhrmann
patent: 4009739 (1977-03-01), Weatherford
patent: 4261671 (1981-04-01), Langner
patent: 4312383 (1982-01-01), Kleykamp
patent: 4487232 (1984-12-01), Kanao
patent: 4922971 (1990-05-01), Grantham
patent: 4951720 (1990-08-01), Grantham
patent: 4971477 (1990-11-01), Webb et al.
patent: 5060696 (1991-10-01), Putter
patent: 5089074 (1992-02-01), Winter et al.
patent: 5102012 (1992-04-01), Foster
patent: 5129686 (1992-07-01), Sanders et al.
patent: 5143122 (1992-09-01), Adkins
patent: 5152635 (1992-10-01), Ziu
patent: 5358358 (1994-10-01), Tassone et al.

Affiliated with

Also associated with

Rating

System for conveying a fluid through an under-the-ground locatio does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System for conveying a fluid through an under-the-ground locatio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for conveying a fluid through an under-the-ground locatio will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-780766