Metal deforming – By use of 'flying tool' engaging moving work – With cutting
Patent
1980-03-31
1982-12-07
Smith, James G.
Metal deforming
By use of 'flying tool' engaging moving work
With cutting
72187, 72372, B21D 1300, B21D 3100
Patent
active
043620396
ABSTRACT:
A machine for producing metal drape panels having integral male and female hinge means formed therein at preselected intervals and a preselected cross-sectional profile. A first machine and method stage employs a plurality of rotary die stations to cut initial hinge patterns for the male and female hinge means and to equalize out of the strip any remanant curl or side curve while stretching the strip to increase the interval between initial hinge patterns to a final preselected interval. A second machine stage employs a plurality of punch die stations for forming the initial hinge pattern on the strip into final male and female hinge means and a shaping-compensating die station for simultaneously shaping the preselected cross-sectional profile and compensating out of the strip any inherent remaining curl or twist therein.
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patent: 3931725 (1976-01-01), Yon
patent: 4020666 (1977-05-01), Beymer
patent: 4047417 (1977-09-01), Oser et al.
patent: 4145905 (1979-09-01), Mattie
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