Hydraulic tube plug remover

Metal working – Means to assemble or disassemble – Heat exchanger

Patent

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Details

29252, 29282, 29400N, 294265, 376463, B23P 1526

Patent

active

046793151

ABSTRACT:
A hydraulic actuator (26) for removing a plug (14) from a tube (12) including tube gripping means (28, 32), the actuator having a double piston arrangement (38, 52), which when energized quickly and efficiently first causes the gripping means to positively grip the plug, and then thereafter remove the plug from the tube, all in one continuous motion.

REFERENCES:
patent: 3791011 (1974-02-01), Keys
patent: 4366617 (1983-01-01), Nanstiel et al.

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