Tubing joint

Details Tubing joint Tubing joint

1986-03-17

1988-05-31

Arola, Dave W.

Pipe joints or couplings

Essential catch

With manipulator

285340, F16L 3700

Patent

active

047476265

ABSTRACT:
A tubing joint comprises a grip-ring whose grip-nails bite the outer wall of a tubing inserted into the joint proper to prevent the inserted tubing from moving in the tubing-detaching direction, and a release-ring which releases the bite of the grip-nails on the outer wall of the inserted tubing. The grip-ring is formed in a zigzag ring having a number of notches cut radially and alternately from the inner and outer circumferences of the ring. The outer extremity side of the grip-ring is bent by a constant width in the tubing-admitting direction and the bent ends, i.e., outer extremities, are inserted into a catching section to hold the grip-ring within the joint proper. The inner extremities of the grip-ring formed by the notches serve as grip-nails.

REFERENCES:
patent: 1822056 (1931-09-01), Noble
patent: 3837687 (1974-09-01), Leonard
patent: 4084843 (1978-04-01), Gassert
patent: 4123090 (1978-10-01), Kotsakis et al.
patent: 4288113 (1981-09-01), Saulnier
patent: 4440424 (1984-04-01), Mode
patent: 4586734 (1986-05-01), Grenier
patent: 4593943 (1986-06-01), Hama et al.

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