Method of branching off a tube

Details Method of branching off a tube Method of branching off a tube

1989-06-07

1990-02-27

Echols, P. W.

Metal working

Method of mechanical manufacture

Tapping device making

294011, 2989014, B21P 5300

Patent

active

049033883

ABSTRACT:
Method in branching off a tube (10) wherein an oval aperture (11) is made in the tube wall and a tube element (12) having a flange (13) at one end thereof, is inserted through the oval aperture from the outside of the tube. The flange is pressed against the inside surface of the tube by means of a ring (15) provided on the tube element, which is engaged with the outside surface of the tube and is fixedly secured to the tube element, a sealing ring being located between said flange on the tube element and the inside surface of the tube.

REFERENCES:
patent: 1933710 (1933-11-01), Cornell, Jr.
patent: 2040628 (1936-05-01), Recker
patent: 3064707 (1962-11-01), Walts
patent: 3490791 (1970-01-01), Mitchell
patent: 3934904 (1976-01-01), Hord
patent: 4468535 (1984-08-01), Law
patent: 4637638 (1987-01-01), Rush et al.
patent: 4654942 (1987-04-01), Rush et al.

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