Tube expanding machine

Details Tube expanding machine Tube expanding machine

1999-09-20

2000-12-26

Cuda, I

Metal working

Means to assemble or disassemble

Heat exchanger

29890044, 29890046, 29715, B23P 1526

Patent

active

061639559

ABSTRACT:
A machine includes a casing disposed in a housing for receiving one or more tubes and a number of fins engaged around the tubes. A frame is slidably received in the housing, and one or more rods are secured to the frame and moved to engage into and to expand the tubes to engage with the fins when the rods are moved toward the tubes. A bracket and a seat have one or more pipes slidably received in the barrels for slidably receiving the rods and for preventing the rods from being bent. The rods each includes a mold piece for further expanding the tubes.

REFERENCES:
patent: 3507026 (1970-04-01), Collins
patent: 4459917 (1984-07-01), Michael et al.
patent: 4584751 (1986-04-01), Gray et al.
patent: 5099677 (1992-03-01), Tokura
patent: 5640879 (1997-06-01), Damsohn et al.

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