B24D

TOOLS FOR GRINDING, BUFFING OR SHARPENING abrading-bodies specially designed for tumbling apparatus, e.g. abrading-balls B24B31/14; honing tools B24B33/08; lapping tools B24B37/11

This subclass covers grinding tools for working on any material

Tools for grinding, buffing or sharpening, specially designed for a particular purpose, which purpose is provided for in a single other place, are classified in that place, e.g. B23F21/02

B24D3/00

Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature

Abrasive bodies or sheets characterised by their constituents

B24D3/001

the constituent being used as supporting member

B24D3/002

Flexible supporting members, e.g. paper, woven, plastic materials

B24D3/004

with special coatings

B24D3/005

the constituent being used during pre- or after-treatment B24D3/348 takes precedence

B24D3/007

the constituent being used as bonding agent between different parts of an abrasive tool

B24D3/008

Abrasive bodies without external bonding agent

B24D3/02

the constituent being used as bonding agent

B24D3/04

and being essentially inorganic

B24D3/06

metallic

or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements

B24D3/08

for close-grained structure, e.g. using metal with low melting point

B24D3/10

for porous or cellular structure, e.g. for use with diamonds as abrasives

B24D3/12

water-setting, e.g. concrete

B24D3/14

ceramic, i.e. vitrified bondings

B24D3/16

for close-grained structure, i.e. of high density

B24D3/18

for porous or cellular structure

B24D3/20

and being essentially organic

B24D3/22

Rubbers

synthetic or natural

B24D3/24

for close-grained structure

B24D3/002 takes precedence

B24D3/26

for porous or cellular structure

B24D3/28

Resins

or natural or synthetic macromolecular compounds B24D3/22 takes precedence

B24D3/285

Reaction products obtained from aldehydes or ketones

B24D3/30

for close-grained structure

B24D3/32

for porous or cellular structure

B24D3/34

characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties

B24D3/342

incorporated in the bonding agent

B24D3/344

the bonding agent being organic

B24D3/346

utilised during polishing, or grinding operation

B24D3/348

utilised as impregnating agent for porous abrasive bodies

B24D5/00

Bonded abrasive wheels

B24D5/00

Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery

Bushings or mountings therefor

B24D5/02

Wheels in one piece

B24D5/04

with reinforcing means

B24D5/06

with inserted abrasive blocks, e.g. segmental

B24D5/063

with segments embedded in a matrix which is rubbed away during the grinding process

B24D5/066

with segments mounted axially one against the other

B24D5/08

with reinforcing means

B24D5/10

with cooling provisions, e.g. with radial slots

B24D5/12

Cut-off wheels

B24D5/123

having different cutting segments

B24D5/126

having an internal cutting edge

B24D5/14

Zonally-graded wheels

Composite wheels comprising different abrasives

B24D5/16

Bushings

Mountings

B24D5/165

Balancing means

B24D7/00

Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face

Bushings or mountings therefor

B24D7/005

for cutting spherical surfaces

B24D7/02

Wheels in one piece

B24D7/04

with reinforcing means

B24D7/06

with inserted abrasive blocks, e.g. segmental

B24D7/063

with segments embedded in a matrix which is rubbed away during the grinding process

B24D7/066

Grinding blocks; their mountings or supports

B24D7/08

with reinforcing means

B24D7/10

with cooling provisions

B24D7/12

with apertures for inspecting the surface to be abraded

B24D7/14

Zonally-graded wheels

Composite wheels comprising different abrasives

B24D7/16

Bushings

Mountings

B24D7/18

Wheels of special form

B24D9/00

Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper

B24D9/003

Wheels having flaps of flexible abrasive material supported by a flexible material

B24D9/006

Tools consisting of a rolled strip of flexible material

B24D9/02

Expansible drums for carrying flexible material in tubular form, e.g. expanded by centrifugal force

B24D9/04

Rigid drums for carrying flexible material

B24D9/06

able to be stripped-off from a built-in delivery spool

B24D9/08

Circular back-plates for carrying flexible material

B24D9/085

Devices for mounting sheets on a backing plate

B24D9/10

with suction means for securing the material

B24D11/00

Constructional features of flexible abrasive materials

Special features in the manufacture of such materials

B24D11/001

Manufacture of flexible abrasive materials

B24D11/003

without embedded abrasive particles B24D11/005 takes precedence

B24D11/005

Making abrasive webs

B24D11/006

without embedded abrasive particles

B24D11/008

Finishing manufactured abrasive sheets, e.g. cutting, deforming

B24D11/02

Backings, e.g. foils, webs, mesh fabrics

B24D11/04

Zonally-graded surfaces

B24D11/06

Connecting the ends of materials, e.g. for making abrasive belts

B24D11/065

Treatment of the ends of flexible abrasive materials before connecting them

B24D11/08

Equipment for after-treatment of the coated backings, e.g. for flexing the coating

B24D13/00

Wheels having flexibly-acting working parts, e.g. buffing wheels

Mountings therefor

B24D13/02

acting by their periphery

B24D13/04

comprising a plurality of flaps or strips arranged around the axis

B24D13/045

comprising flaps not covering the entire periphery of the wheel

B24D13/06

the flaps or strips being individually attached

B24D13/08

comprising annular or circular sheets packed side by side

B24D13/085

comprising flaps with a circular sheet on each side

B24D13/10

comprising assemblies of brushes

B24D13/12

comprising assemblies of felted or spongy material, e.g. felt, steel wool, foamed latex

B24D13/14

acting by the front face

B24D13/142

Wheels of special form

B24D13/145

having a brush-like working surface

B24D13/147

comprising assemblies of felted or spongy material; comprising pads surrounded by a flexible material

B24D13/16

comprising pleated flaps or strips

B24D13/18

with cooling provisions

B24D13/20

Mountings for the wheels

B24D15/00

Hand tools or other devices for non-rotary grinding, polishing, or stropping

B24D15/02

rigid

with rigidly-supported operative surface

B24D15/023

using in exchangeable arrangement a layer of flexible material

B24D15/026

able to be stripped-off from a built-in delivery spool

B24D15/04

resilient

with resiliently-mounted operative surface

B24D15/045

Glove-shaped abrasive devices

B24D15/06

specially designed for sharpening cutting edges

B24D15/061

for electric shaving blades

B24D15/063

for grinding shears, scissors

B24D15/065

for sharpening both knives and scissors

B24D15/066

for sharpening skate blades, i.e. blades having two sharp edges defined by three surfaces intersecting in pairs at an angle of substantially 90°

B24D15/068

for sharpening ski edges, i.e. sharp edges defined by two surfaces intersecting at an angle of substantially 90°

B24D15/08

of knives

of razors

B24D15/081

with sharpening elements in interengaging or in mutual contact

B24D15/082

the elements being rotatable

B24D15/084

the sharpening elements being fitted to knife sheaths, holders or handles

B24D15/085

with reciprocating whetstones

B24D15/087

having a crank handle

B24D15/088

with whetting leather

B24D15/10

of safety-razor blades devices with mechanically-operated parts B24B3/50

B24D15/105

Holders therefor

B24D18/00

Manufacture of grinding tools

or other grinding devices

, e.g. wheels, not otherwise provided for

B24D18/0009

using moulds or presses

B24D18/0018

by electrolytic deposition

B24D18/0027

by impregnation

B24D18/0036

by winding up abrasive bands

B24D18/0045

by stacking sheets of abrasive material

B24D18/0054

by impressing abrasive powder in a matrix

B24D18/0063

by extrusion

B24D18/0072

using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing

B24D18/0081

of wire-reinforced grinding tools

B24D18/009

Tools not otherwise provided for

B24D99/00

Subject matter not provided for in other groups of this subclass

B24D99/005

Segments of abrasive wheels

B24D2201/00

Bushings or mountings integral with the grinding wheel

B24D2203/00

Tool surfaces formed with a pattern

B24D2205/00

Grinding tools with incorporated marking device