Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1999-12-29
2000-12-19
Lee, Kevin
Fluid handling
Systems
Flow path with serial valves and/or closures
13761404, F16L 3728
Patent
active
06161579&
ABSTRACT:
The connector system comprises an upstream tubular body (1) capable of being connected to a pressurized-fluid line and in which there is placed a first shutter (18) bearing against a seat (6) under the action of a spring (20) upstream of the shutter. A downstream tubular body (2), that can be plugged into the upstream tubular body (1) and is capable of being connected to a line receiving the pressurized fluid, contains a second shutter (49) bearing against a seat (38) under the action of a spring (51) downstream of this shutter and of spring force equal to or less than that of the spring (20). A push-rod (24) and a tubular wall (25) which are fixed to the first shutter (18) downstream thereof interact with a push-rod (55) fixed to the second shutter (49) upstream thereof and with an upstream edge (57) of the downstream tubular body (2). The upstream tubular body (1) is mounted in a socket (29) provided with a counterbore (31) and with a catching groove (32). The downstream tubular body (2) is housed in a plug (60) capable of being introduced into the counterbore (31) and provided with elastic tabs (63) with teeth (64) for clipping into the catching groove (32). An operating ring (67) that can move along the plug (60) comprises openings (69) forming ramps for withdrawing the clip-in teeth (64) from the catching groove (32).
REFERENCES:
patent: 3918485 (1975-11-01), Weber et al.
patent: 4200121 (1980-04-01), Walter et al.
patent: 5255699 (1993-10-01), Herzan et al.
patent: 5586748 (1996-12-01), Kish
Casella Anthony J.
Hespos Gerald E.
Interlemo Holding S.A.
Lee Kevin
Porco Michael J.
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