Spin-flanger for beverage containers

Details Spin-flanger for beverage containers Spin-flanger for beverage containers

1981-06-02

1984-03-13

Larson, Lowell A.

Metal deforming

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

Tool orbiting or rotating about an axis

72117, 72123, B21D 1912

Patent

active

044359691

ABSTRACT:
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.

REFERENCES:
patent: 440474 (1890-11-01), Farris
patent: 545791 (1895-09-01), Gates
patent: 944791 (1909-12-01), Krummel
patent: 1055571 (1913-03-01), Tassey

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