Method and device for forming a branch connection in a pipe

Details Method and device for forming a branch connection in a pipe Method and device for forming a branch connection in a pipe

1983-08-18

1985-09-10

Walton, George L.

Fluid handling

Processes

Cleaning, repairing, or assembling

291571R, 72 71, 72325, 137318, 285197, F16K 4300

Patent

active

045400113

ABSTRACT:
In a method of forming a branch connection in a fluid carrying pipe (3) by attaching to the pipe (3) a saddle unit (1) incorporating a cutting member (11) capable of being operated to cut a hole in the pipe wall, the cut is effected so that it extends only partly around the circumference of a circle so as to form a tongue (18), and the tongue is bent into the pipe while remaining connected to the adjoining part of the pipe wall.

REFERENCES:
patent: 2310083 (1943-02-01), Holmes et al.
patent: 3162211 (1964-12-01), Barusch
patent: 3240226 (1966-03-01), Burkholder
patent: 3394727 (1968-07-01), Wagner
patent: 3448779 (1969-06-01), Horwitt
patent: 3495615 (1970-02-01), Ehrens et al.
patent: 3554217 (1971-01-01), Ehrens et al.
patent: 3580269 (1971-05-01), Ehrens et al.
patent: 3714959 (1973-02-01), Pignataro, Jr.
patent: 4034777 (1977-07-01), Gebelius
patent: 4364406 (1982-12-01), Bohlin

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