US PATENT SUBCLASS 408 / 37
.~.~ Coaxial, opposed tools

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

31  DF  MACHINE INCLUDING PLURAL TOOLS {5}
36  DF  .~ Coaxial tools {1}
37.~.~ Coaxial, opposed tools {4}
38  DF  .~.~.~> With additional, converging tool
39  DF  .~.~.~> Plural pairs of coaxial, opposed tools
40  DF  .~.~.~> With means to sequentially feed tools toward work
41  DF  .~.~.~> With interconnected means to simultaneously feed tools

DEFINITION

Classification: 408/37

(under subclass 36) Device wherein the tools are adapted to be positioned on opposite sides of the work along the common axis and, during the cutting operation, move relative to the work and toward each other along the axis.