Pipe connection joints

Details Pipe connection joints Pipe connection joints

1986-07-23

1987-10-06

Scanlan, Jr., Richard J.

Pipe joints or couplings

With assembly means or feature

285299, 285302, 285381, F16L 5500

Patent

active

046978291

ABSTRACT:
A pipe connection joint comprises two coaxial tubular joint members which are telescopically engaged, one within the other. The outer joint member has a bore, and the inner joint member a through bore, of the same diameter as that of the pipeline with which the joint is to be used. The inner joint member is received in a counterbore in the outer joint member, being an interference fit therein over an interface region to provide both a seal and a friction lock precluding relative axial separation of the joint members under internal working pressure. One of the joint members incorporates an externally connectible duct which leads to the interface region, whereby fluid under pressure can be introduced through the duct to relieve said friction lock.

REFERENCES:
patent: 2564670 (1951-08-01), Bratt
patent: 2992479 (1961-07-01), Musser et al.
patent: 3822412 (1974-07-01), Carlin et al.
patent: 3923324 (1975-12-01), Cruickshank et al.
patent: 4011918 (1977-03-01), Jurgens

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