Automatic tube puller

Details Automatic tube puller Automatic tube puller

1977-01-12

1978-06-20

DiPalma, Victor A.

Metal working

Means to assemble or disassemble

Heat exchanger

29252, 29427, B23P 1526

Patent

active

040953351

ABSTRACT:
An improved tool is provided for the removal of tubes from heat exchangers. First a mandrel is threaded into the end of a tube. The present tool is then fitted over the mandrel and is responsive to trigger-actuated hydraulic and/or pneumatic control means to automatically cause the tool to grip the mandrel and thereafter move the mandrel with its attached tube away from the tube sheet of the heat exchanger.

REFERENCES:
patent: 2697872 (1954-12-01), Armstrong
patent: 3369287 (1968-02-01), Brochetti
patent: 3555649 (1971-01-01), Rigot et al.
patent: 4000556 (1977-01-01), Ciminero

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