Roll grooved pipe

Details Roll grooved pipe Roll grooved pipe

1992-04-01

1993-09-21

Reese, Randolph A.

Pipe joints or couplings

With casing, lining or protector

Lined

285112, 2853822, 285424, 138109, 72105, F16L 5504

Patent

active

052462560

ABSTRACT:
A roll grooved pipe is provided on its inner surface with a hydrofoil surface providing a transition between the inner surface of the pipe and the radially innermost portion of a radially inwardly extending step formed in the inner wall of the pipe by the cold rolling of the groove in the pipe.

REFERENCES:
patent: 2821415 (1958-01-01), Race, Jr.
patent: 3015502 (1962-01-01), Frost et al.
patent: 3253841 (1966-05-01), Ahmad
patent: 3381353 (1968-05-01), Lemmerz
patent: 3528689 (1970-09-01), Roe
patent: 3606659 (1971-09-01), Robbins
patent: 3995466 (1976-12-01), Kunsman
patent: 4064619 (1977-12-01), Echols et al.
patent: 4445533 (1984-05-01), DeFrees
patent: 4598937 (1986-07-01), Sugao
patent: 5007667 (1991-04-01), Unewisse et al.

Affiliated with

Also associated with

Rating

Roll grooved pipe does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Roll grooved pipe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Roll grooved pipe will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1045285