Flotation ring for dredge pipe lines

Details Flotation ring for dredge pipe lines Flotation ring for dredge pipe lines

1975-09-11

1976-11-23

Blix, Trygve M.

9340, 9345, B63B 2152

Patent

active

039927350

ABSTRACT:
A hollow, flexible, two-sided, substantially C-shaped open ring which, when deflated, can readily be distorted for easy application in surrounding relation with respect to a length of dredge pipe, including strap means for temporarily securing the ring in place, and which when subsequently inflated, assumes a substantially circular cross-sectional shape and constricts radially to securely embrace the peripheral wall of the pipe for use in the flotation thereof.

REFERENCES:
patent: 1069691 (1913-08-01), Hansen
patent: 1875630 (1932-09-01), Marengo
patent: 3121240 (1964-02-01), MacKenzie
patent: 3155992 (1964-11-01), Sheumake et al.
patent: 3332093 (1967-07-01), Skinner et al.
patent: 3489182 (1970-01-01), Cameron
patent: 3742538 (1973-07-01), Smith

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