Tube end expander and method of operating the same

Details Tube end expander and method of operating the same Tube end expander and method of operating the same

1980-03-07

1982-03-16

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

Tool orbiting or rotating about an axis

72126, B21D 3906

Patent

active

043194729

ABSTRACT:
A tube end expander and a method of operating the same. The tube end expander comprises a rotatable, tubular cage defining a plurality of generally axially extending slots, and a plurality of rollers located within the cage and extending through the slots. The expander further comprises a rotatable, tapered mandrel axially extending into the cage in frictional, driving contact with inner surfaces of the rollers, and an auxiliary roller drive for transmitting rotary motion from the mandrel to the cage and rollers.

REFERENCES:
patent: 1514712 (1924-11-01), Maupin
patent: 1601329 (1926-09-01), Slesazeck
patent: 2767766 (1956-10-01), Mathews
patent: 2854058 (1958-09-01), Baker
patent: 3031008 (1962-04-01), Schmidt
patent: 3906771 (1975-09-01), Martin

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