Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing
Patent
1984-10-09
1986-01-07
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Cup or shell drawing
B21D 2200
Patent
active
045627207
ABSTRACT:
An ironing apparatus for forming a cup-like metallic article such as an one-piece metallic can body is provided. The apparatus comprises a punch provided on a tip of a ram adapted to reciprocate in the horizontal direction and a plurality of ring dies cooperating with the punch. In the apparatus, the punch reciprocates such that the center of the end face thereof moves along a locus curved downwardly with the gravity, and the die is disposed to be slightly inclined with respect to a vertical plane such that the axis of the die extends substantially in the tangential direction of the locus at the location of the die.
REFERENCES:
patent: 1962510 (1934-06-01), Kellogg
patent: 4205546 (1980-06-01), Lugosse
Gilden Leon
Toyo Seikan Kaisha Limited
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