Coupler

Details Coupler Coupler

2007-02-13

2007-02-13

Chambers, A. Michael (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C137S614040, C251S149100, C251S149800

Reexamination Certificate

active

11232979

ABSTRACT:
A female coupler comprises a valve support accommodated in a hole portion of the injection port and comprising a projecting portion having a axial hole, a cylindrical coupler main body placed around the projecting portion and comprising a locking projecting portion on an inner peripheral surface, a part of the main body being embedded in the injection port so as to have its position fixed, a base valve accommodated in the main body and having an fitting insertion portion inserted into the axial hole and a valve seat portion placed on the projecting portion, the fitting insertion portion and the valve seat portion being connected together, a bar-like portion projected from the valve seat portion and having valve grooves formed on a peripheral surface, and an deformable packing member placed on the valve seat portion and accommodating the bar-like portion, the packing member being fixedly retained in the main body.

REFERENCES:
patent: 3024044 (1962-03-01), Benevento
patent: 3966239 (1976-06-01), Heckenkamp
patent: 4106523 (1978-08-01), Thornton et al.
patent: 4903741 (1990-02-01), Ibanez
patent: 6063062 (2000-05-01), Paradis
patent: 6152900 (2000-11-01), Mayer
patent: 6463957 (2002-10-01), Ozawa
patent: 6651955 (2003-11-01), Anderson

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