Pipe joint

Details Pipe joint Pipe joint

1997-03-12

1999-09-14

Arola, Dave W.

Pipe joints or couplings

With means blocking release of holding means

Thread lock

285332, 285354, 285423, 285906, F16L 1508

Patent

active

059510609

ABSTRACT:
A pipe joint has a body having a through hole defined axially therein as a fluid passage, a nut threaded on the joint body thereby connecting the pipe to the joint body, and a sleeve held against a bottom of a hole defined in the joint body by an annular step surface and having a bulging portion slanting at a predetermined angle. The nut has a radially inner pipe presser which is bent and flexed into a shape complementary to the bulging portion when the nut is progressively threaded over the joint body, for pressing an end of the pipe against the sleeve under a resilient force tending to return the radially inner pipe presser to an original shape thereof.

REFERENCES:
patent: 3116944 (1964-01-01), Parker
patent: 3679237 (1972-07-01), De Angelis
patent: 3977708 (1976-08-01), Jopp
patent: 4162092 (1979-07-01), Hayes
patent: 4219222 (1980-08-01), Brusadin
patent: 4606564 (1986-08-01), Kurachi
patent: 4666190 (1987-05-01), Yamabe et al.
patent: 4842309 (1989-06-01), LaVene et al.
patent: 4848804 (1989-07-01), Weigl
patent: 5154453 (1992-10-01), Nishio

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