B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 51/26 (2006.01) B21D 22/10 (2006.01)
Patent
CA 2074526
A drawn and ironed container (C) that includes a cylindrical side wall, a smoothly-tapered neck (134) with an open end and an integral bottom wall (137) at the opposite end has a plurality of inwardly-deformed panel segments (130) located in the side wall between adjacent arcuate segments (132) with the panel defin- ing generally chordal bottom walls for the panel seg- ments. The container is formed using a multi-station processing apparatus that consists of a plurality of identical stations (30) located around the periphery of a rotating turret (26). Each station includes a support mandrel (50), a container loading means (52, 53) and an impression mandrel (54), with the impression man- drel being pivoted into and out of pressure engage- ment with the support mandrel to deform the side wall of the container. The support mandrel has a cylindri- cal peripheral surface (102) that conforms to the inner diameter of the container side wall and has circumfer- entially-spaced, axially-extending pockets (104). The pockets have sharp opposite edges (108a) that cooper- ate with the impression mandrel to produce the panel segments in the side wall.
Cassidy Edward K.
Chernikoff Nelson N.
Halasz Andrew
Mann John M.
Moloney Thomas E.
American National Can Company
Borden Ladner Gervais Llp
Rexam Beverage Can Company
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