B24B21/00 - CPC Classification Index

ClassID:

44635 ⎘

B24B21/00 - CPC Classification

Classification description:

Machines or devices using grinding or polishing belts ; Accessories therefor

Sub-classes:

B24B21/002 » {for grinding edges or bevels} 102
B24B21/004 » {using abrasive rolled strips} 62
B24B21/006 » {for special purposes, e.g. for television tubes, car bumpers} 41
B24B21/008 » {Machines comprising two or more tools or having several working posts } 38
B24B21/02 » for grinding rotationally symmetrical surfaces 40
B24B21/04 » for grinding plane surfaces 83
B24B21/16 » for grinding other surfaces of particular shape 45
B24B21/18 » Accessories 38

Recent Application in this class:

20240342848

2024-10-17

ROTATABLE EDGE GUIDE TO SUPPORT A CUTTING TOOL DURING A SHARPENING OPERATION

20200016717

2020-01-16

Rotatable edge guide to support a cutting tool during a sharpening operation

20190275634

2019-09-12

SYSTEMS AND METHODS FOR BUFFERING ROBOTIC TOOL ATTACHMENTS

20190184591

2019-06-20

Methods and apparatus for cutting cushioned divider material for use in creating sub-compartments in a container

20180345440

2018-12-06

Multi-stage batch polishing method for end surface of optical fiber connector, and polishing film

20180290259

2018-10-11

Expandable handheld pneumatic belt grinder

20180169822

2018-06-21

Polishing apparatus and polishing method

20180056468

2018-03-01

Rotatable edge guide to support a cutting tool during a sharpening operation

20180021912

2018-01-25

Diamond surface polishing method and apparatus for implementing same

#10

20170203410

2017-07-20

Removal structure for central shaft of sanding belt

#11

20160375541

2016-12-29

Apparatus for machining a workpiece

#12

20160236315

2016-08-18

Digital panel of belt sander

#13

20160101496

2016-04-14

Device for band finishing a workpiece

#14

20160023320

2016-01-28

Machining tool including a pivoting machining arm

#15

20150258653

2015-09-17

Polishing apparatus and polishing method

#16

20140094095

2014-04-03

Polishing method involving a polishing member polishing at angle tangent to the substrate rotational direction

#17

20130078894

2013-03-28

Polishing device with driving mechanisms

#18

20100160170

2010-06-24

Method for polishing tape-shaped substrate for oxide superconductor, oxide superconductor, and base material for oxide superconductor

#19

20100016169

2010-01-21

Method for polishing tape-shaped substrate for oxide superconductor, oxide superconductor, and base material for oxide superconductor

#20

20090111363

2009-04-30

Belt sanding attachment tool

#21

20090081933

2009-03-26

ABRASIVES PRODUCTS WITH EDGES

#22

20070243800

2007-10-18

Method and apparatus for surface treatment of a long piece of material

#23

20060128287

2006-06-15

Support for sanding apparatus

#24

20060025047

2006-02-02

Grading system and method for abrasive article

#25

20050191950

2005-09-01

Method and apparatus for surface treatment of a long piece of material

#26

20050079810

2005-04-14

Sanding frame and stand for a belt sander

#27

20050020193

2005-01-27

Methods and apparatus for edge finishing glass sheets

#28

18974846

2025-11-11

Oscillating spindle sander with rotary compartment drum

#29

14622652

2016-05-03

Quick replacement device of abrasive belt wheel