Corrugated pipe

Details Corrugated pipe Corrugated pipe

1987-03-23

1989-08-01

Bryant, III, James E.

Pipes and tubular conduits

Reinforced

Corrugated

138121, 138122, 138135, 138154, F16L 902

Patent

active

048526169

ABSTRACT:
A spirally wound corrugated pipe of sheet steel or the like is provided with outwardly convex corrugations which are spaced apart, with a flat portion of single wall thickness between adjacent corrugations. In one embodiment, the corrugation have a pitch of five inches and a height of one-half inch; in another embodiment, the pitch is six inches and the height is one inch.

REFERENCES:
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patent: 1057505 (1913-04-01), Smith
patent: 1259233 (1918-03-01), Hartman
patent: 1263340 (1918-04-01), Silk
patent: 1270579 (1918-06-01), Witzenmann
patent: 2852597 (1958-09-01), Raydt et al.
patent: 2934466 (1960-04-01), Molla
patent: 3094147 (1961-04-01), Nemer
patent: 3224814 (1965-12-01), Fisher
patent: 3263321 (1966-08-01), Lombardi
patent: 3731711 (1973-05-01), Bauer
patent: 3913623 (1975-10-01), Siegwart
patent: 4562733 (1986-01-01), Kant
Handbook of Steel Drainage & Highway Construction Products, Published by American Iron and Steel Institute, 1983.

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