B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
113/33
B21D 51/16 (2006.01) B21D 19/10 (2006.01) B21D 51/26 (2006.01)
Patent
CA 1337631
A die necking method and apparatus for producing a smooth tapered wall between the container side wall and a reduced diameter neck includes a plurality of rotatable necking turrets that each have a plurality of identical necking substations each having a necking die. The necking dies in the respective turrets have an internal configuration to produce a necked-in portion on the container which has a first arcuate segment integral with the container side wall and a second arcuate segment integral with the reduced diameter neck. The necking substations also have a floating form control element that engages the inner surface of the container to control the portion of the container to be necked. The necked- in portion is reformed in each succeeding turret by dies to produce a smooth tapered wall between the arcuate segments.
558205
Ames T. William
Caleffi Antonio
Naggert Dietrich K.
Traczyk Edward S.
Ames T. William
Caleffi Antonio
Naggert Dietrich K.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Rexam Beverage Can Company
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