Stop collar for tube expander

Details Stop collar for tube expander Stop collar for tube expander

1979-05-22

1981-01-06

Larson, Lowell A.

Metal deforming

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

Tool orbiting or rotating about an axis

72125, 72393, B21D 3910

Patent

active

042428939

ABSTRACT:
A tube expander having a stop collar for limiting the axial movement of the tube end relative to the expander to prevent damage to the tube end. The stop collar is comprised of a hollow stop collar body having the end adjacent to the tube end slotted to slidingly receive a pair of stop members that can be moved relative to each other to vary the size of the aperture extending through the stop collar body. The stop collar members substantially encircle the cage and have surfaces thereon that engage the end of the tube.

REFERENCES:
patent: 324007 (1885-08-01), Cashin
patent: 488589 (1892-12-01), Warden
patent: 3426565 (1969-02-01), Schott
patent: 3924433 (1975-12-01), Martin
patent: 4099400 (1978-07-01), Schott

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