ClassID:

44640

B24B21/02 - CPC Classification

Classification description:

Machines or devices using grinding or polishing belts ; Accessories therefor for grinding rotationally symmetrical surfaces

Sub-classes:
Recent Application in this class:
#1
20230116767
2023-04-13

CYLINDER DEVICE AND METHOD OF MANUFACTURING PISTON ROD

#2
20230072691
2023-03-09

PIPE COATING REMOVAL APPARATUS

#3
20220023995
2022-01-27

Safety guards and equipment for use in the preparation of test specimens

#4
20210187688
2021-06-24

PRESSURE SHOE

#5
20210172470
2021-06-10

Crankshaft and method of manufacturing the same

#6
20210046613
2021-02-18

A METHOD AND AN APPARATUS FOR ABRADING, AND PRODUCTS AND USES FOR SUCH

#7
20190283200
2019-09-19

Wheel grinding device

#8
20190232454
2019-08-01

Worm polishing method and device thereof

#9
20190061100
2019-02-28

Substrate, edge polishing detection method and device and positioning method and device for the same, exposure apparatus and evaporation device

#10
20180311985
2018-11-01

Automatic processing device including printing device for printing on carbon fiber tube

#11
20180193973
2018-07-12

Pressure shoe with expansion chamber

#12
20180169822
2018-06-21

Polishing apparatus and polishing method

#13
20170239776
2017-08-24

Finishing device

#14
20170197288
2017-07-13

Finishing device

#15
20170151645
2017-06-01

Pressing device for pressing a finishing belt against a workpiece surface

#16
20170087685
2017-03-30

Pressing device having a toothed belt

#17
20170057048
2017-03-02

Belt-finishing device and method for operating a belt-finishing device

#18
20160256931
2016-09-08

Polishing and brushing techniques for cylindrical and contoured surfaces

#19
20160031060
2016-02-04

Device and system for finish-machining a workpiece in the form of a crankshaft or a camshaft

#20
20150375357
2015-12-31

Abrasive belt polishing finisher

#21
20150258653
2015-09-17

Polishing apparatus and polishing method

#22
20150147528
2015-05-28

Component blending tool

#23
20140094099
2014-04-03

Belt finishing device, belt finishing system and method for producing a belt finishing device

#24
20130189910
2013-07-25

Finishing device for finish-machining of a workpiece

#25
20130189909
2013-07-25

Device for fine-machining a peripheral workpiece surface located eccentrically in relation to a workpiece axis of a workpiece

#26
20130137019
2013-05-30

Electrophotographic photoreceptor, method for manufacturing the same, and electrophotographic photoreceptor unit, replaceable image-forming unit, and image-forming apparatus including the same

#27
20130010243
2013-01-10

MANUFACTURING METHOD OF ROLLER FOR PHASE RETARDATION FILM, METHOD FOR MANUFACTURING PHASE RETARDATION FILM BY ROLLER AND PHASE RETARDATION FILM THEREFORM

#28
20110312256
2011-12-22

Finishing device for finishing a surface of a workpiece

#29
20100248602
2010-09-30

SHAFT PORTION FINISHING DEVICE

#30
20100236314
2010-09-23

Pressing device for cutting means and apparatus and method for finishing circumferential surfaces on cylindrical parts of a workpiece

#31
20100197200
2010-08-05

Surface abrading method of photosensitive layer of electrophotographic photoreceptor

#32
20100087126
2010-04-08

Small test piece polishing apparatus

#33
20100029184
2010-02-04

Overlay sander

#34
20090275269
2009-11-05

Wafer polishing device and method

#35
20090142997
2009-06-04

DEVICE FOR THE FINISH MACHINING OF CIRCUMFERENTIAL SURFACES OF SUBSTANTIALLY ROTATIONALLY SYMMETRICAL WORKPIECE PORTIONS ON SHAFT-LIKE WORKPIECES

#36
20090098804
2009-04-16

Apparatus for polishing a wafer and method for detecting a polishing end point by the same

#37
20080113594
2008-05-15

Centerless belt grinder

#38
20070042689
2007-02-22

Device for Grinding Spinning Cots

#39
20070037497
2007-02-15

Plating removing apparatus for two-piece wheel

#40
20050227594
2005-10-13

Method of and apparatus for producing roll

#41
14097137
2016-03-29

Disk buffing apparatus with abrasive tape loading pad having a vibration absorbing layer