Hydraulic cup holder

Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing

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Details

72351, B21D 2200

Patent

active

045819157

ABSTRACT:
A hydraulic cup holder for use in a draw and iron can making press is disclosed. This cup holder produces increased pressure between the cup being reformed and its holding members, reducing the tendency for wrinkles to occur in reforming the cup into a can body.

REFERENCES:
patent: 1778358 (1930-10-01), Glasner
patent: 2318819 (1943-05-01), Verson
patent: 3453848 (1969-07-01), Williamson
patent: 3636748 (1972-01-01), Hall
patent: 3751962 (1973-08-01), Cvacho et al.
patent: 3786667 (1974-01-01), Garnett, Jr.
patent: 3940968 (1976-03-01), Hermes
patent: 4020670 (1977-05-01), Bulso

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