Method and apparatus for pulling tubes from heat exchanger baffl

Details Method and apparatus for pulling tubes from heat exchanger baffl Method and apparatus for pulling tubes from heat exchanger baffl

1977-08-17

1978-11-21

Mehr, Milton S.

Metal working

Means to assemble or disassemble

Tube, sleeve or ferrule

29427, 29252, B23P 1902

Patent

active

041259289

ABSTRACT:
Ways and means are disclosed for removing old tubes from a tube bundle, consisting mainly of an array of transversally spaced tubes with tube sheets at their ends and baffles supporting the tubes of intermediate sites. The tubes are cut and driven from the respective tube sheets, then pulled out of the baffles. The apparatus includes a hydraulically reciprocable gripper that feeds an automatic throw stacker for pulling out tubes even if they are deformed, and for propelling them away from the apparatus.

REFERENCES:
patent: 3785026 (1974-01-01), Ohmstede
patent: 3857158 (1974-12-01), Costello

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