Superfine finish piping joint

Details Superfine finish piping joint Superfine finish piping joint

1986-03-21

1987-08-11

Arola, Dave W.

Pipe joints or couplings

Particular interface

285354, 285917, F16L 2500

Patent

active

046857079

ABSTRACT:
A superfine finish piping joint has a metal C ring disposed between a couple of joint pieces, the piping joints being capable of properly tightening the metal C ring for thereby being usuable for piping to a clean room. The superfine finish piping joint includes, besides a couple of the first and second joint pieces, a box nut, a thrust bearing disposed between a base portion of second joint piece facing to the internal end surface of an box nut, and a cup-shaped retainer serving to mount balls and rings, etc., of the thrust bearing as a whole on the second joint piece, etc., at prescribed positions.

REFERENCES:
patent: 939908 (1909-11-01), Greenlaw
patent: 1485252 (1924-02-01), Denis
patent: 1928076 (1933-09-01), Rudolph
patent: 2833568 (1958-05-01), Corsette
patent: 3058761 (1962-10-01), Christophersen
patent: 3262722 (1966-07-01), Gastineau et al.
patent: 3521910 (1970-07-01), Callahan et al.

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