US PATENT SUBCLASS 144 / 23
.~.~ By rotary tubular cutter


Current as of: June, 1999
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144 /   HD   WOODWORKING

2.1  DF  SPECIAL-WORK MACHINE {34}
21  DF  .~ Disk cutting {2}
23.~.~ By rotary tubular cutter


DEFINITION

Classification: 144/23

By rotary tubular cutter:

(under subclass 21) Machine for cutting a disk by means of a cylindrical cutter which is rotated about its central axil as the end thereof is brought into contact with the work in order to obtain a shearing cut.

(1) Note. The workpiece of this subclass may be cork.

SEE OR SEARCH CLASS

142, Wood Turning,

32+, for wood turning by a tool having a hollow cutting head.

408, Cutting by Use of Rotating, Axially Moving Tool, for cutting a workpiece by a tool that moves axially with respect to the workpiece without additional relative motion; particularly

229+, for a cutting tool of that class having an axially extending relief channel.