Coupling device

Details Coupling device Coupling device

1995-05-22

1996-06-11

Fox, John C.

Fluid handling

Destructible or deformable element controlled

Heat destructible or fusible

2511494, F10L 2902

Patent

active

055246648

ABSTRACT:
A coupling device including a tubular member, a locking member engaged with the tubular member, a sleeve made of polymer which will become soft at at temperature between 240-300 degrees F. and fitted within the tubular member, a spindle engaged with the tubular member with its coupling nose fitted into the sleeve, an inner seat formed at an end with a concave recess adapted to receive the spherical surface of the spindle and at another end with a cylindrical opening coaxial with the concave recess and adapted to receive the cylindrical head of the spindle, an outer seat put over the inner seat and adapted to engage with a cylinder valve, and a plug fitted on the spindle, whereby the coupling device will automatically shut off the gas flow passage in the event that the temperature exceeds a safety standard.

REFERENCES:
patent: 3245423 (1966-04-01), Hansen et al.
patent: 3730205 (1973-05-01), Guimbellot
patent: 5027845 (1991-07-01), Silagy

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