Metal deforming – By application of fluent medium – or energy field – With actuated tool engaging work
Patent
1992-11-04
1993-12-28
Jones, David
Metal deforming
By application of fluent medium, or energy field
With actuated tool engaging work
72465, 294211, B21D 2210
Patent
active
052728986
ABSTRACT:
A device is provided for stamping materials in sheet form, especially sheet metal blanks (5), on a single-acting press. The device includes a cushion (2) made from an elastic material, forming a punch and housed in a retention dish (1) and means for preforming and permanently forming the sheet metal blank (5). The preforming and permanent forming means are arranged in a die (6) including a framework (8), an upper peripheral blank-clamp (9) connected to the framework (8) by at least on elastic member (11) for reaction, strain relief and retention and a die bottom (10) arranged in the upper peripheral blank-clamp (9). The upper peripheral blank-clamp (9) and the die bottom (10) are mounted so as to slide relative to one another and include means (13) for instantaneously linking them together.
REFERENCES:
patent: 2771851 (1956-11-01), McGregor
patent: 2859719 (1958-11-01), Downey
patent: 4770015 (1988-09-01), De Smet
patent: 4833903 (1989-05-01), de Smet
patent: 5067336 (1991-11-01), de Smet
patent: 5081859 (1992-01-01), De Smet
patent: 5119658 (1992-06-01), de Smet
De Smet Gabriel
Dittlo Michel
Isoform
Jones David
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