Break-away coupling for hoselines

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

1984-01-16

1986-09-30

Weakley, Harold W.

Fluid handling

Destructible or deformable element controlled

Destructible element

137312, 13761404, 285 2, 403 2, F16K 1714

Patent

active

046142010

ABSTRACT:
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.

REFERENCES:
patent: 1495946 (1924-05-01), Bassett
patent: 1765629 (1930-06-01), Stanley
patent: 2322449 (1943-06-01), Johnson
patent: 3307574 (1967-03-01), Anderson
patent: 3542047 (1970-11-01), Nelson
patent: 3797510 (1974-03-01), Torres
patent: 3922104 (1975-11-01), McCullough
patent: 4090524 (1978-05-01), Allread
patent: 4328822 (1982-05-01), Wilhelm

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