Tooling and method for forming a container

Details Tooling and method for forming a container Tooling and method for forming a container

1997-02-14

1998-05-12

Larson, Lowell A.

Metal deforming

Tool and/or tool holder

Tool comprising closed periphery deforming passageway

72347, 723794, B21D 2220

Patent

active

057492581

ABSTRACT:
A die (104) for forming a blank (14) into a container body (26) having an open end provides an annular undulated shaping surface (106) of substantially uniform radius. The container body (26) is formed by moving the blank through the shaping die (104), with the result that the undulations (106) laterally redistribute metal in the sidewall of the container body, as well as iron the sidewall during the forming process. The die enables the use of a blank (14) of noncircular geometric shape, such as a hexagon, by redistributing metal from the points of the hexagon to the area of the flats in order to produce an end product without excessive earing.

REFERENCES:
patent: 4106422 (1978-08-01), Buhrke
patent: 4244315 (1981-01-01), Klein
patent: 4603571 (1986-08-01), Wessels
patent: 5630337 (1997-05-01), Werth
K. Forth, New Company Has Been Around for Can Manufacturers, CanTech International, Oct./ Nov. 1994.

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