Break-away coupling for hoselines

Details Break-away coupling for hoselines Break-away coupling for hoselines

F - Mech Eng,Light,Heat,Weapons

16

L

284/2

F16L 29/00 (2006.01) F16L 37/00 (2006.01)

Patent

CA 1208253

TITLE OF THE INVENTION "Break-Away Coupling for Hoselines" ABSTRACT OF THE DISCLOSURE A break-away coupling for incorporation in a hoseline or pipeline, comprises a pair of tubular coupling members each being arranged at its one end for connection to a length of hoseline and provided at its other end with a face to be held in sealing engagement with a complementary face of the other member by frangible connectors. Each connector has one end length of spatulate shape and formed with a through opening to receive a shear pin, a screwed length at the other end to receive a nut, and an intermediate length of reduced section. Valve members in the coupling members are held in open positions against the action of springs until the coupling members are separated on breaking of the connectors; thereupon, the valve members close under spring action. A bleed passageway may be provided to prevent build-up of pressure between the complementary faces, and provide a seal testing facility. -2-

417835

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