Pipe joints or couplings – Connector for conduit housing electromagnetic line: – Having box and connector
Patent
1988-03-22
1989-08-22
Callaghan, Thomas F.
Pipe joints or couplings
Connector for conduit housing electromagnetic line:
Having box and connector
285197, 285319, 285921, F16L 4100
Patent
active
048589640
ABSTRACT:
According to the present invention, there is provided a T-joint for connecting a branch pipe which comprises: a linear piping wall with a through hole, which is penetrated by and fitted with a main pipe, and a branch piping wall for connecting a branch pipe communicating with the piping wall perpendicularly thereto, wherein the piping wall with the through hole and the branch piping wall are integrally formed, annular grooves are arranged on a peripheral surface of the piping wall with the through hole on the right- and left-hand sides thereof adjacent to its opening and on a peripheral surface of the branch piping wall adjacent to its opening, respectively, and elastic O-rings are inserted into the respective annular grooves, while an engaging mechanism engaging with an outer peripheral surface of the branch pipe is arranged near an end portion of the peripheral surface of the opening in the branch piping wall, and a plurality of axial slits are arranged in the branch piping wall.
REFERENCES:
patent: 3218093 (1965-11-01), Carlson
patent: 3455579 (1969-07-01), Olliff, Jr. et al.
patent: 3638972 (1972-02-01), Alpine
patent: 3672162 (1972-06-01), Rygelis et al.
patent: 4026581 (1977-05-01), Pasbrig
patent: 4045060 (1977-08-01), Daigle
Callaghan Thomas F.
Casella Anthony J.
Hespos Gerald E.
Usui Kokusai Sangyo Kaisha Ltd.
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