Pipe joints or couplings – With fluid pressure seal – Flexible lip
Patent
1974-11-18
1976-12-28
Callaghan, Thomas F.
Pipe joints or couplings
With fluid pressure seal
Flexible lip
285150, 285197, 285379, F16L 4100
Patent
active
039997855
ABSTRACT:
Branch pipes are secured to main pipes mechanically by means fitted about the main pipe at a hole in the pipe wall. Two sections of the outlet contact the main pipe around its entire circumference, and either or both sections can have a spigot for fitting within a hole through the pipe wall to align the branch accurately. The housing sections have means for easy bolted assembly and for accurately positioned reception of a pressure sensitive gasket.
REFERENCES:
patent: 896333 (1908-08-01), Smith
patent: 1178234 (1916-04-01), Hayden
patent: 1831641 (1931-11-01), Skinner
patent: 2459251 (1949-01-01), Stillwagon
patent: 2512009 (1950-06-01), Bober
patent: 3251615 (1966-05-01), Short
patent: 3362730 (1968-01-01), St. Clair et al.
patent: 3489441 (1970-01-01), Malcolm
patent: 3792879 (1974-02-01), Dunmire et al.
Callaghan Thomas F.
Victaulic Company of Canada, Ltd.
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