Controlled spin flow forming

Details Controlled spin flow forming Controlled spin flow forming

1983-10-14

1986-01-14

Larson, Lowell A.

Metal deforming

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

During rotation of work

72105, B21D 1704

Patent

active

045638870

ABSTRACT:
A system and apparatus for roll forming to neck-in D&I cans ends and replace double necks and triple necks is disclosed. An externally disposed free roll is moved inward and axially against the outside wall of the open end of a trimmed can. A spring loaded interior support roller moves under the forming force of the free roll. This is a single operation where the can rotates and the free roll rotates such that a smooth conical necked end and flange are produced.

REFERENCES:
patent: B223678 (1976-03-01), Nixon et al.
patent: 2312225 (1943-02-01), Wilkinson
patent: 4070888 (1978-01-01), Gombas
patent: 4144732 (1979-03-01), Franks et al.

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