Pipe fitting

Details Pipe fitting Pipe fitting

1994-07-01

1995-07-11

Arola, Dave W.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

285179, 285322, 285330, 285331, 285369, 285423, 285906, F16L 4100

Patent

active

054314569

ABSTRACT:
A pipe fitting or coupling is used for connecting at least two pipes. The pipe fitting is basically formed of a coupling main body and a slit ring integrally formed together. The coupling main body is formed of an inner layer of good heat resisting property, an intermediate layer containing glass fibers, and an outer layer having large tensile elongation and impact strength. The slit ring is formed at an edge portion of the outer circumferential surface of the coupling main body.

REFERENCES:
patent: 3843169 (1974-10-01), Wise
patent: 4676532 (1987-06-01), Gronau
patent: 4941693 (1990-07-01), Spaude et al.
patent: 5186500 (1993-02-01), Folkers
Database WPI, Week 9138, Derwent Publications Ltd., London, GB AN: 91-278236.
Database WPI, Week 9226, Derwent Publications Ltd., London, GB AN: 92-214369.
Patent Abstracts of Japan, vol. 17, No. 43(M-1360) Jan. 27, 1993.

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