Ball Corporation

C Ross Nichols

Edward C Miller

An apparatus and method are disclosed for flanging thin-walled canbodies. Slippage in the circumferential direction between the canbody and flanging apparatus is severely reduced by mounting rollers in the flanging head on radial axis of rotation which are perpendicular to the longitudinal axis of the canbody. This roller orientation provides a number of other advantages including lowered incidence of defective flanges, reduced maintenance of the roller, reduced cost and complexity in roller and mounting means fabrication and a reduction in the strain and stress the canbody is subjected to. Critical to satisfactory commercial operation of the present invention is the provision of and the proper interaction between a transition and clearing surface and a frustoconical support surface on the rollers.

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Golden, CO, United States of America

C Ross Nichols