US PATENT SUBCLASS 451 / 27
.~.~ Tool interior of workpiece
Current as of:
June, 1999
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451 /
HD
ABRADING
1
DF
PRECISION DEVICE OR PROCESS - OR WITH CONDITION RESPONSIVE CONTROL
{7}
11
DF
.~ With feeding of tool or work holder {6}
27
.~.~ Tool interior of workpiece
DEFINITION
Classification: 451/27
Tool interior of workpiece:
(under subclass 11) Subject matter in which the tool moves internal of a workpiece.
(1) Note. The apparatus is commonly referred to as a honing device.