Method and apparatus for making drawn containers

Details Method and apparatus for making drawn containers Method and apparatus for making drawn containers

1976-02-02

1977-10-04

Spruill, Robert Louis

Metal deforming

By use of closed-die and coacting work-forcer

Cup or shell drawing

113120H, B21D 2224

Patent

active

040517071

ABSTRACT:
A method and apparatus for forming a drawn container from a metallic blank are disclosed wherein the blank is drawn over the outer surface of a stationary forming ring by an annular forming die to form a tubular wall portion which is thereafter completely redrawn by a forming punch in co-operation with a forming die, a reverse redrawn annular wall portion of the blank being positioned for engagement by a curling ring to form an inwardly curled rim at the peripheral edge of the open end of the container.

REFERENCES:
patent: 2739557 (1956-03-01), Staubitz
patent: 2968270 (1961-01-01), McChesney
patent: 3163142 (1964-12-01), Buhrke
patent: 3312098 (1967-04-01), Henrickson
patent: 3496896 (1970-02-01), Smith
patent: 3678725 (1972-07-01), Langewis
patent: 3786667 (1974-01-01), Garnett

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