Tube traveler

Details Tube traveler Tube traveler

1976-02-12

1977-08-30

DiPalma, Victor A.

Metal working

Means to assemble or disassemble

Heat exchanger

29255, 29427, B23P 1526

Patent

active

040444449

ABSTRACT:
An extractor for pulling individual tubes from a tube sheet in a heat exchanger. The extractor includes two pairs of drivers mounted in a housing on parallel rotatable shafts. The two drivers in each pair have inclined teeth which project into opposite sides of a passageway along which a tube is drawn. A variable speed pneumatic motor and a gear transmission rotate the four drivers at the same controlled speed and rotate the two drivers in each pair in opposite directions to advance a tube through the passageway.

REFERENCES:
patent: 3149412 (1964-09-01), Curfman et al.
patent: 3613212 (1971-10-01), Miller
patent: 3650012 (1972-03-01), Graveman
patent: 3785026 (1974-01-01), Ohmstede
patent: 3924316 (1975-12-01), Matlock et al.

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