Tube extractor

Details Tube extractor Tube extractor

1978-10-11

1980-07-22

Hall, Carl E.

Metal working

Means to assemble or disassemble

Heat exchanger

29252, B23P 1902

Patent

active

042132398

ABSTRACT:
A tube extractor for extracting tubes from the tube sheets of a heat exchanger, which utilizes a fluid pressure activated broach which is expanded and drawn into the end of the tube to be removed without expanding the outside diameter of the tube, and which then withdraws the tube from the tube sheet.

REFERENCES:
patent: 2135861 (1938-11-01), Thompson
patent: 2319216 (1943-05-01), Dewald
patent: 2697872 (1954-12-01), Armstrong
patent: 2950525 (1960-08-01), Duncan et al.
patent: 3507028 (1970-04-01), Stellatella
patent: 3791011 (1974-02-01), Keys

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