Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing
Patent
1977-12-19
1980-03-11
Gilden, Leon
Metal deforming
By use of closed-die and coacting work-forcer
Cup or shell drawing
72379, 113116Z, 113116J, B21D 2200
Patent
active
041921666
ABSTRACT:
Methods are described for producing novel shaped objects drawn from sheet metal blanks having a surface design in one or more decorative metals of contrasting color. The design is applied to the flat metal blank with distortions which substantially compensate for the metal deformation in forming the object from the blank.
REFERENCES:
patent: 309531 (1884-12-01), Eades
patent: 413373 (1889-10-01), Paull
patent: 1717482 (1929-06-01), Weidlech et al.
Gilden Leon
Reed and Barton Corporation
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