Coupling device for a tube system

Details Coupling device for a tube system Coupling device for a tube system

1992-04-14

1994-05-31

Nicholson, Eric K.

Pipe joints or couplings

Nonmetal to metal

Internal member

285921, 285255, 285914, F16L 3500

Patent

active

053163508

ABSTRACT:
A coupling device for establishing a detachable connection for a tube system is to be improved so that while simple detachability of the pipe socket and tube is guaranteed, the pulling-off force is equivalent to firm clamping. To accomplish the task, a sleeve-like coupling box 7 is provided, which surrounds the tube 5 in a clamp-like manner and, for fixation on the pipe socket 2, it has, on the inside, a circumferential notch 8, into which two oppositely arranged projecting parts 4 of the pipe socket 2 snap. The coupling box 7 expands under the effect of a force acting laterally, so that the projecting parts 4 will disengage from the notch 8.

REFERENCES:
patent: 2386562 (1945-10-01), Mahoney
patent: 3167331 (1965-01-01), Marshall
patent: 3245703 (1966-04-01), Manly
patent: 3860268 (1975-01-01), Zeman
patent: 4583769 (1986-04-01), Bortolin
patent: 4708375 (1987-11-01), Saur
patent: 4730856 (1988-03-01), Washizu
patent: 4790567 (1988-12-01), Kawano et al.
patent: 4844512 (1989-07-01), Gahwiler
patent: 4903995 (1990-02-01), Blenkush et al.
patent: 4969667 (1990-11-01), Sauer
patent: 4969669 (1990-11-01), Sauer

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