US PATENT SUBCLASS 408 / 57
.~ Including tool with duct

Current as of: June, 1999
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408 /   HD   CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL

56  DF  WITH MEANS TO APPLY TRANSIENT, FLUENT MEDIUM TO WORK OR PRODUCT {2}
57.~ Including tool with duct {3}
58  DF  .~.~> And means to move gaseous fluid by application of vacuum
59  DF  .~.~> Conducting channel extending to end of tool
60  DF  .~.~> Including nozzle

DEFINITION

Classification: 408/57

(under subclass 56) Device wherein the means to apply the flowable substance includes a closed, tubelike passageway through the tool* which is used to carry the flowable substance either to or away from the work.

(1) Note. A tool, per se, having a passage therethrough which passage is intended for application of fluent medium to the work is proper for this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

204+, for a tool having a passageway to receive an undisturbed core of the workpiece.

207+, for a tool having a chamber for receiving chips produced by the cutting action of the tool.