Patent ID: 7568737
Filing Date: 2009-08-04
Classification: F16L,F17C

Abstract:
1. A male coupling connectable to and separable from a female threaded coupling, the female threaded coupling including a sealing surface and a receiving portion sized to receive at least a portion of the male coupling, the receiving portion having internal threads provided therein, the male coupling comprising: a body having a passageway extending therethrough; a locking member disposed about the body and configured to move between locking and releasing positions, the locking member having a retaining formation configured to engage the internal threads of the female threaded coupling when the locking member is in its locking position; an axially movable sleeve disposed about the body and having an inner surface that is sized to receive a portion of the locking member; and an annular seal disposed about the sleeve, wherein, after insertion of the male coupling into the female threaded coupling, the retaining formation of the locking member engages one or more of the internal threads in the female threaded coupling when the locking member is in its locking position, wherein, upon movement of the sleeve towards the female threaded coupling, the annular seal is compressed against the sealing surface of the female threaded coupling.