Reinforced smooth flow pipe

Details Reinforced smooth flow pipe Reinforced smooth flow pipe

1978-03-13

1979-07-17

Footland, Lenard A.

Pipes and tubular conduits

Spirally seamed

138173, F16L 916, F16L 906

Patent

active

041611942

ABSTRACT:
A reinforced, spirally wound tube or pipe product shaped from an elongated sheet of ductile material formed into adjacent, helical convolutions. The pipe is impressed with at least one longitudinal impression which is trapezoidal in cross-section and formed at the same helix angle as the convolutions so that it is parallel to the juncture of adjacent convolutions. A conforming reinforcement element is located in the impression to strengthen the impression and form a closure of the mouth of the impression. The impression protrudes from the outer wall of the pipe, leaving the inner wall surface of the pipe generally smooth. Adjacent edges of the spiralled sheet are either welded or joined by a continuous lock seam.

REFERENCES:
patent: 2340794 (1944-02-01), Chernak
patent: 2763292 (1956-09-01), Rejeski
patent: 3094147 (1963-06-01), Nemer
patent: 3572394 (1971-03-01), Davis

Affiliated with

Also associated with

Rating

Reinforced smooth flow 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 Reinforced smooth flow pipe, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reinforced smooth flow pipe will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-315083