US PATENT SUBCLASS 470 / 140
.~ Having plural rotatable dies

Current as of: June, 1999
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470 /   HD   THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS

110  DF  APPARATUS FOR MAKING HEADED FASTENER, E.G., NAIL, RIVET, ETC. {13}
140.~ Having plural rotatable dies

DEFINITION

Classification: 470/140

Having plural rotatable dies:

(under subclass 110) Subject matter further provided with two mechanisms wherein each mechanism is provided with two cooperating mold elements capable of imparting or forming a shape or impression to the fastener and further wherein the mechanisms are capable of rotary motion.