Pipe branch fitting

Details Pipe branch fitting Pipe branch fitting

1976-09-24

1978-02-14

Callaghan, Thomas F.

Pipe joints or couplings

With indicator, alarm or inspection means

285158, 285197, 285355, F16L 4100

Patent

active

040735133

ABSTRACT:
A pipe branch fitting has a cylindrical body freely slidable along the pipe to a point where a hole is pre-cut in the pipe. On one side, the cylinder carries a screw-threaded tubular insert on which the branch is to be connected. A gasket between the insert and the pipe gives a seal as the insert bears upon it as the insert is tightened up. The inner end of the insert has a stepped shoulder which abuts the periphery of the hole in the pipe and limits the compression applied to the gasket. The reduced diameter end of the insert locates itself in the hole and indicates if the fitting is misaligned with the hole.

REFERENCES:
patent: 45964 (1865-01-01), Ball
patent: 1178234 (1916-04-01), Hayden
patent: 2618511 (1952-11-01), Wahlin
patent: 2973976 (1961-03-01), Steinen
patent: 3489441 (1970-01-01), Malcolm
patent: 3844590 (1974-10-01), DE LA Fuente Burton
patent: 3999785 (1976-12-01), Blakeley

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