Flexible pipe

Details Flexible pipe Flexible pipe

1987-05-15

1989-01-31

Schroeder, Werner H.

Pipes and tubular conduits

Flexible

Corrugated

138135, 138136, 138144, F16L 1116

Patent

active

048009288

ABSTRACT:
A flexible pipe comprising a flexible solid pipe to which is bonded a spirally wound belt having an S-shaped cross section. The two sides of the belt are bent at parallel acute angles and successive wraps are overlapped. Cords may be inserted into the space formed by the flexible corrugation.

REFERENCES:
patent: 714429 (1902-11-01), Witzenmann
patent: 970955 (1910-09-01), Rubes
patent: 1068553 (1913-07-01), Abell
patent: 1409697 (1922-03-01), Fulton
patent: 2014368 (1934-01-01), Blundell
patent: 2028793 (1936-01-01), Moscuch
patent: 2784010 (1957-03-01), Lifka
patent: 3311133 (1967-03-01), Kinander
patent: 3687169 (1972-08-01), Reynard
patent: 3992044 (1976-11-01), Muslin
patent: 4007761 (1977-02-01), Beckman
patent: 4403631 (1983-09-01), Abdullaev
Patent Abstracts of Japan, vol. 1, No. 14, (M-76), Mar. 22, 1977, p. 1062, M 76; JP-A-51 126 519, (Totaku Kogyo), 04-11-1976.

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