Process for extracting a section of a heat-exchanger tube

Details Process for extracting a section of a heat-exchanger tube Process for extracting a section of a heat-exchanger tube

1986-12-09

1988-10-11

Echols, P. W.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

294265, 29458, 29727, B21D 5302

Patent

active

047760729

ABSTRACT:
A sleeve (8) is introduced inside the tube (3) from the face (1a) of the tube plate, with which the tube (3) is flush, through the entire length of the tube plate (1). The tube (3) and the sleeve (8) are joined together in two zones (15, 16) by means of a binder which ensures a bond of high mechanical strength. An axial pull is exerted on the sleeve (8) from the face (1a) of the tube plate (1). The device is capable of pulling on the sleeve which operates either continuously or in steps.

REFERENCES:
patent: 3831413 (1974-08-01), Glatthorn

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