Pipe element with a terminal hydraulic seal comprising a differe

Details Pipe element with a terminal hydraulic seal comprising a differe Pipe element with a terminal hydraulic seal comprising a differe

1977-06-29

1979-02-06

Callaghan, Thomas F.

Pipe joints or couplings

Essential catch

Pivoted

285362, 285375, F16L 2300

Patent

active

041381491

ABSTRACT:
This invention relates to a pipe element designed for rapid connection to a pipe provided with a thermal flange, and provided with new terminal hydraulic seal means which ensure a perfect durable hydraulic seal in the connection region. Said seal means comprise an axially slidable tubular member provided with an inwardly facing terminal flange and having a first annular gasket of greater diameter disposed around said tubular member and a second annular gasket of smaller diameter disposed on the front of said terminal flange of the tubular member. Resilient thrust means are arranged to urge said tubular member into a state of tight engagement of its terminal flange with the terminal flange of the pipe to which the pipe element is connected.

REFERENCES:
patent: 426824 (1890-04-01), Leland
patent: 1117762 (1914-11-01), Barcus
patent: 2696993 (1954-12-01), Buckler
patent: 2700559 (1955-01-01), Jensen
patent: 3558161 (1971-01-01), Bormioli
patent: 3649052 (1972-03-01), Snyder, Jr.
patent: 3899199 (1975-08-01), Garey

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