Self-closing connecting device and connecting piece therefor

Details Self-closing connecting device and connecting piece therefor Self-closing connecting device and connecting piece therefor

2005-08-02

2005-08-02

Yu, Justine R. (Department: 3751)

Valves and valve actuation

With correlated flow path

Valve operated by joining flow path sections

Reexamination Certificate

active

06923428

ABSTRACT:
The invention concerns a tubular connection piece for a self-closing connecting device, comprising an end (3) to be connected to a member, externally provided with elements (5) for axially locking it in a housing of the connecting device, and internally equipped with a valve (33) mounted sliding relative to a valve seat (37) between closing and opening positions and a spring (40) interposed between a inner flange (41) of the connection piece and the valve to push the valve into its closing position against the valve seat. The invention also concerns a corresponding connection device.

REFERENCES:
patent: 2265267 (1941-12-01), Cowles
patent: 5211197 (1993-05-01), Marrison et al.
patent: 0 800 031 (1997-10-01), None
patent: 1 182 391 (2002-02-01), None
patent: 2 535 827 (1984-05-01), None
patent: 1 554 660 (1979-10-01), None

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