Relatively articulatable hose

Details Relatively articulatable hose Relatively articulatable hose

1984-08-01

1989-05-16

Schroeder, Werner H.

Pipes and tubular conduits

Flexible

Spirally wound material

F16L 1110

Patent

active

048300594

ABSTRACT:
A hose body is formed, or provided, to a predetermined length and so as to be continuous and contiguous. Articulation means are formed about and in close proximity to the hose body. This is accomplished by forming a wire helix about the hose body so as to either have a different number of turns per unit length of hose for first, second and third portions of the hose body, or by utilizing multiple strands of wire of different thickness for some portions of the helix and not for others, or by forming single helixes for some hose portions and double helixes for others; or by combinations of the above. The hose portions thus provided with articulation means have a different relative degree of articulation with respect to each other. As such they not only resist being articulated with different degrees but they also resist being straightened or straightening on their own with different degrees.

REFERENCES:
patent: 1590666 (1926-06-01), Angell
patent: 2540203 (1951-02-01), Hatcher, Sr.
patent: 2740427 (1956-04-01), Swan, Jr.
patent: 2986169 (1961-05-01), McCormick
patent: 2998474 (1961-08-01), Pavlic
patent: 3847184 (1974-11-01), God
patent: 4452280 (1984-06-01), Werner
patent: 4463779 (1984-08-01), Wink et al.
patent: 4489759 (1984-12-01), Yamamura

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