Method and apparatus for producing steel box toes to be used...

B - Operations – Transporting – 21 – D

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113/73, 12/83

B21D 28/06 (2006.01) B21D 31/00 (2006.01)

Patent

CA 1057133

IMPROVED METHOD AND APPARATUS FOR PRODUCING STEEL BOX TOES TO BE USED IN SAFETY SHOES ABSTRACT OF THE DISCLOSURE A flat strip of metal, preferably coiled upon itself, is fed into a draw press and subjected to pressure to produce a generally bowl-shaped workpiece having irregular outer edges within which is defined a pair of mirror-imaged toe cap parts. The toe cap parts occur in angularly opposed relation to one another and are surrounded by irregular edge portions. The toe cap parts are separated and gauged by a press operation in which parting is combined with a trimming operation in a unique manner. An improved tool construction for processing the workpiece in- cludes mating die bodies which are progressively moved toward one another in contact with the workpiece. During a first move- ment inner sides of the toe cap parts are located in a centered position on one of the mating die parts. Completion of the die motion trims away irregular outer edges of each toe cap part and simultaneously die cut edges of the toe cap parts are con- formed to a desired shape.

251725

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