US PATENT SUBCLASS 470 / 117
.~.~ Having roll forging means


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}
111  DF  .~ Horseshoe nail making {5}
117.~.~ Having roll forging means {1}
118  DF  .~.~.~> Traveling roll type


DEFINITION

Classification: 470/117

Having roll forging means:

(under subclass 111) Subject matter wherein the apparatus is provided with a mechanism in the form of cylindrical structure capable shaping the fastener by the application of heat and pressure.

SEE OR SEARCH CLASS

72, Metal Deforming,

191+, especially subclass 198 for a tool-couple making a nail or spike by rolling.