Coupling

Details Coupling Coupling

1987-05-22

1988-10-11

Arola, Dave W.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

285179, 285348, 285351, 285382, 285906, F16L 4100

Patent

active

047766166

ABSTRACT:
An improved coupling for connecting a pipe joint and a metal pipe which has a relatively small diameter not exceeding about 30 mm and a wall thickness not exceeding about 2 mm is offered. The coupling is often used to form a pipeline for supplying oil, air, etc. to an automobile, machine or apparatus, or collecting exhaust gas, etc. The coupling is to connect a metal pipe to a pipe joint having a bore defining a fluid passageway, wherein the joint includes a cylindrical wall portion extending from an annular shoulder, and the pipe extends into the cylindrical wall portion and has an end provided with a radially outwardly projecting flange. An elastic seal ring is provided adjacent to the shoulder and the flange. A cylindrical member is disposed between the cylindrical wall portion and the pipe for holding the flange and the seal ring against the shoulder, the cylindrical wall portion having a radially inwardly bent end holding the cylindrical member.

REFERENCES:
patent: 3441293 (1969-04-01), Bagnulo
patent: 3858914 (1975-01-01), Karie et al.

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