Pipe joint construction for remotely controlled connection and d

Details Pipe joint construction for remotely controlled connection and d Pipe joint construction for remotely controlled connection and d

1984-12-21

1986-01-28

Callaghan, Thomas F.

Pipe joints or couplings

With assembly means or feature

285332, 403 15, 294266, 29525, 29DIG44, F16L 1702

Patent

active

045667225

ABSTRACT:
A pipe joint is made up of a female pipe end with a conically shaped engagement surface and a male pipe end with a corresponding conically shaped engagement surface engageable with the engagement surface of the female pipe end. The combination of the female and male pipe ends form a sealed chamber. By maintaining a vacuum within the chamber the pipe ends can be placed in tightly fitting contact and by introducing a pressurized medium within the chamber the contact between the pipe ends can be broken.

REFERENCES:
patent: 2374348 (1945-04-01), Harding
patent: 3267568 (1966-08-01), Johnson et al.
patent: 3620554 (1971-11-01), Ward
patent: 3694894 (1972-10-01), Jelinek et al.
patent: 4090822 (1978-05-01), Mount et al.
patent: 4124233 (1978-11-01), Ahlstone
patent: 4198076 (1980-04-01), Mezei
patent: 4349291 (1982-09-01), Geary, Jr.
patent: 4432569 (1984-02-01), Wietecha

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