Pipe joints or couplings – Particular interface – Tapered
Patent
1975-05-15
1977-06-14
Callaghan, Thomas F.
Pipe joints or couplings
Particular interface
Tapered
2853345, F16L 1904
Patent
active
040293459
ABSTRACT:
The present invention relates to pipe fittings and more particularly to a pipe fitting wherein one or two seal rings of special configuration are used, so that a reliable fluid flow tightness between pipe sections being joined may be reached easier than by prior art.
REFERENCES:
patent: 2489928 (1949-11-01), Phillips
patent: 3269756 (1966-08-01), Bloom
patent: 3476412 (1969-11-01), Demler
patent: 3532365 (1970-10-01), Kronschnabel
patent: 3893720 (1975-07-01), Moebius
Brufsky Allen D.
Callaghan Thomas F.
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