Controlled spin flow forming

Details Controlled spin flow forming Controlled spin flow forming

B - Operations, Transporting

21

D

113/33

B21D 51/26 (2006.01) B21D 17/04 (2006.01)

Patent

CA 1237340

Abstract of the Disclosure 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.

463465

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