US PATENT SUBCLASS 470 / 90
.~.~ And plural rotatable dies

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


470 /   HD   THREADED, HEADED FASTENER, OR WASHER MAKING: PROCESS AND APPARATUS

87  DF  APPARATUS FOR MAKING INTERNALLY THREADED FASTENER, I.E., NUT {7}
89  DF  .~ Having forger {5}
90.~.~ And plural rotatable dies

DEFINITION

Classification: 470/90

And plural rotatable dies:

(under subclass 89) 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 nut and further wherein the mechanisms are capable of rotary motion.