Flanged pipe joints

Details Flanged pipe joints Flanged pipe joints

1977-02-24

1978-10-24

Callaghan, Thomas F.

Pipe joints or couplings

With leakage or drip disposal

277235R, 285 41, 285133R, 285336, 285DIG18, F16L 3900

Patent

active

041218582

ABSTRACT:
The specification describes a pipe joint suitable for fluid conducting pipework in which there are inner and outer tubes defining a jacket for fluid heating or cooling medium. The joint comprises a gasket shaped to provide continuous annular seals around the inner tube and the passageways along which heating or cooling medium flows through the joint. The gasket and the pipe flanges with which the gasket cooperates define fluid-receiving channels which are located between the sealing zones around the inner tube and the passages for the heating or cooling medium so as to receive fluid which may leak past those zones and allow it to escape radially outwardly from the joint thus preventing leaked heating or cooling medium from entering the fluid stream in the inner tube, or vice versa.

REFERENCES:
patent: 1389768 (1921-09-01), McFarland
patent: 1497652 (1924-06-01), Browne
patent: 2260542 (1941-10-01), Shaffer
patent: 2605045 (1952-07-01), Strezynski
patent: 2863679 (1958-12-01), Dunbar
patent: 3317221 (1967-05-01), Brown
patent: 3485516 (1969-12-01), Keller et al.

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