Coupling for connecting two pipe parts

Details Coupling for connecting two pipe parts Coupling for connecting two pipe parts

1999-01-07

2000-06-13

Lee, Kevin

Valves and valve actuation

With correlated flow path

Flow path joint interlocked with valve or actuator

251208, F16L 2900

Patent

active

06073910&

ABSTRACT:
A coupling for connecting a first pipe part and a second pipe part comprises a first coupling part and a second coupling part, a shut-off valve arranged in the first coupling part, and locking structure. The locking structure can move with respect to one another between an unlocked position and a locked position, in the manner of a bayonet coupling. An actuator for actuating the shut-off valve is arranged in the second coupling part. The locking structure and the actuator are designed in such a manner that the shut-off valve can only be opened by means of the actuator when the locking structure is in the locked position, and in that the coupling can only be uncoupled when the shut-off valve is in the closed position. The actuator and the locking structure can be actuated separately.

REFERENCES:
patent: 1850879 (1932-03-01), Hunt
patent: 3589673 (1971-06-01), Cruse
patent: 4613112 (1986-09-01), Phlipot et al.
patent: 4946134 (1990-08-01), Orlandi
patent: 5002254 (1991-03-01), Belisaire et al.
patent: 5595217 (1997-01-01), Gillen et al.
patent: 5630570 (1997-05-01), Lacroix et al.
patent: 5904302 (1999-05-01), Brown

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