Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
1994-06-14
1996-08-20
Chambers, A. Michael
Fluid handling
Systems
Flow path with serial valves and/or closures
137614, F16L 3728
Patent
active
055469841
ABSTRACT:
A quick disconnect male fitting joins to a female fitting that includes an outlet housing, an outlet opening, and a spring loaded plug that is biased against the outlet opening to seal the outlet opening. The male fitting comprises an inlet housing and a plunger having an expanded tip. A support fixedly mounts the plunger to the inlet housing. A bellows concentrically surrounds the plunger and extends from the inlet housing to the expanded tip of the plunger. The bellows has an engagement end which bears against the expanded tip, thereby sealing the interior of the bellows from the external environment. The bellows further is provided with a shoulder which, upon insertion of the plunger into the outlet opening, is compressed by engagement with the outlet housing, thereby causing compression of the bellows and separation of the engagement end from the expanded tip. This enables creation of a pathway from the outlet opening to the inlet housing and, to a connected printer.
REFERENCES:
patent: 2453389 (1948-09-01), Thomas
patent: 3866638 (1975-02-01), Mingus et al.
patent: 4445539 (1984-05-01), Credle
patent: 5191914 (1993-03-01), Gonzubz
patent: 5215122 (1993-01-01), Rogers et al.
Chambers A. Michael
Hewlett--Packard Company
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