US PATENT SUBCLASS 470 / 63
.~.~.~ Punch and die type

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

57  DF  APPARATUS FOR MAKING EXTERNALLY THREADED FASTENER OR ARTICLE, E.G., SCREW, BOLT, ETC. {2}
58  DF  .~ Screw fastener making {6}
60  DF  .~.~ Having head nicking {3}
63.~.~.~ Punch and die type

DEFINITION

Classification: 470/63

Punch and die type:

(under subclass 60) Subject matter wherein the component comprises an first element, i.e., a punch, cooperating with a second element, i.e., a die, whereby the notch, cut or indentation is produced a blow or thrust applied to the punch as the fastener is held between the punch and die.

SEE OR SEARCH THIS CLASS, SUBCLASS:

205, bolt or rivet heading punches, per se.