e intaglio die, d', is attached to a yoke con- Fig. 5 is a machine for shaping sheet metal. The plate nected with the two rods, to be shaped or stamped is placed upon the die, and the at- cc, through which it is de- tendant depresses the treadle connected with the valve rod pressed by the operation… … first attempts, which were partially successful, were made | formers, g, which, when the two dies are drawn downward, with the drop press. This, however, it was thought, did | descend between guides, C D, which throw up the formers, Fig. 5.—Grimshaw’s Machine for Shaping Shcet Metal. not allow…
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