Bimodal flexible-rigid hose

Details Bimodal flexible-rigid hose Bimodal flexible-rigid hose

2004-12-09

2008-03-04

Brinson, Patrick F. (Department: 3754)

Pipes and tubular conduits

Flexible

Joined sections

C138S155000, C285S146100, C285S146300, C239S587200, C239S587300, C239S588000, C248S276100

Reexamination Certificate

active

07337808

ABSTRACT:
The present invention provides a flexible hose easily converted to a rigid hose. The flexible-rigid bimodal hose comprises a plurality of adjacently engaged hollow members defining a tube having a first end, a second end, and an elongated hollow. A flexible tube as well as a cable pass through the hollow and extend therethrough. The cable acts as a means to apply tension on the hollow members. The hose has a flexible state in which each one of the hollow members is rotating in respect to neighboring hollow member and a rigid state in which the hollow members are forced together by the cable so that there is no relative movement between neighboring hollow members. An actuation means, which can be mechanically or hydraulically operated, is adapted to apply different tensile forces on the cable.

REFERENCES:
patent: 2510198 (1950-06-01), Tesmer
patent: 3096962 (1963-07-01), Meijs
patent: 3168274 (1965-02-01), Street
patent: 3929164 (1975-12-01), Richter
patent: 5348259 (1994-09-01), Blanco et al.
patent: 5865378 (1999-02-01), Hollinshead et al.
patent: 5899425 (1999-05-01), Corey, Jr. et al.
patent: 6164570 (2000-12-01), Smeltzer
patent: 6648376 (2003-11-01), Christianson
patent: 7066411 (2006-06-01), Male et al.

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