B23F21/28 - CPC Classification Index

ClassID:

42451 ⎘

B23F21/28 - CPC Classification

Classification description:

Tools specially adapted for use in machines for manufacturing gear teeth Shaving cutters

Sub-classes:

B23F21/282 » {with inserted cutting elements} 0
B23F21/286 » {having the shape of an internal gear} 1
B23F21/288 » {the cutting edges on consecutive teeth being helically arranged} 0

Recent Application in this class:

20170259360

Gear edge cut-off tool and gear edge cut-off device

20150043985

Gear machining apparatus

20120252318

Tooth-profile management system for shaving-cutter grinding machine