US PATENT SUBCLASS 470 / 80
.~.~.~ Having chaser cutter

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}
66  DF  .~.~ Having thread cutting means {8}
80.~.~.~ Having chaser cutter {1}
81  DF  .~.~.~.~> Rotatable type

DEFINITION

Classification: 470/80

Having chaser cutter:

(under subclass 66) Subject matter wherein the component is

capable forming the externally threaded ridge by using a sharp instrument to remove material from the fastener.

SEE OR SEARCH CLASS

29, Metal Working,

27, and 57 for combined machines adapted for thread chasing.

82, Turning,

110+, for other thread chasing.