Socket for pipe coupling

Details Socket for pipe coupling Socket for pipe coupling

2005-05-03

2005-05-03

Hirsch, Paul J. (Department: 3754)

Valves and valve actuation

With correlated flow path

Valve operated by joining flow path sections

C251S149100

Reexamination Certificate

active

06886804

ABSTRACT:
There is disclosed a socket for a pipe coupling, comprising a hollow cylindrical socket body including a plug insertion port, a radially movable locking element to lock a plug in the plug insertion port, and a sleeve attached to the socket body so as to be movable forwards/backwards and can operate the locking element. A valve body including a channel hole and purge hole is fixed in the socket body, and a cylindrical seal member rotatable between a first position and a second position is attached between the socket body and valve body. The seal member opens the channel hole and closes the purge hole in the first position, and vice versa in the second position. The seal member is connected to a sleeve for valve opening/closing operation rotatably attached to the socket body by a connection pin inserted through a circumferential groove in the socket body.

REFERENCES:
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patent: 2001-146995 (2001-05-01), None
Copy of French Preliminary Report dated Jul. 7, 2004.

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