Cooperative Patent Classification

Indent Level

Version: 2016.11
CPC
COOPERATIVE PATENT CLASSIFICATION
B24D
TOOLS FOR GRINDING, BUFFING, OR SHARPENING (tools for grinding or polishing optical surfaces on lenses or surfaces of similar shape B24B 13/01; grinding heads B24B 41/00; manufacture of abrasive or friction articles or shaped materials containing macromolecular substances C08J5/14; polishing compositions C09G 1/00; abrasives C09K 3/14) [2013-01]
NOTES

  • 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. B23F 21/02
B24D 3/00
Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents (composition of friction linings F16D 69/02) [2013-01]
B24D 3/001
.
{the constituent being used as supporting member} [2013-01]
B24D 3/002
. .
{Flexible supporting members, e.g. paper, woven, plastic materials} [2013-01]
B24D 3/004
. . .
{with special coatings} [2013-01]
B24D 3/005
.
{the constituent being used during pre- or after-treatment (B24D 3/348 takes precedence)} [2013-01]
B24D 3/007
.
{the constituent being used as bonding agent between different parts of an abrasive tool} [2013-01]
B24D 3/008
.
{Abrasive bodies without external bonding agent} [2013-01]
B24D 3/02
.
the constituent being used as bonding agent [2013-01]
B24D 3/04
. .
and being essentially inorganic [2013-01]
B24D 3/06
. . .
metallic {or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements} [2013-01]
B24D 3/08
. . . .
for close-grained structure, e.g. using metal with low melting point [2013-01]
B24D 3/10
. . . .
for porous or cellular structure, e.g. for use with diamonds as abrasives [2013-01]
B24D 3/12
. . .
water-setting, e.g. concrete [2013-01]
B24D 3/14
. . .
ceramic, i.e. vitrified bondings {(mixture with metals B24D 3/06)} [2013-01]
B24D 3/16
. . . .
for close-grained structure, i.e. of high density [2013-01]
B24D 3/18
. . . .
for porous or cellular structure [2013-01]
B24D 3/20
. .
and being essentially organic [2013-01]
B24D 3/22
. . .
Rubbers {synthetic or natural} [2013-01]
B24D 3/24
. . . .
for close-grained structure {(B24D 3/002 takes precedence)} [2013-01]
B24D 3/26
. . . .
for porous or cellular structure [2013-01]
B24D 3/28
. . .
Resins {or natural or synthetic macromolecular compounds (B24D 3/22 takes precedence)} [2013-01]
B24D 3/285
. . . .
{Reaction products obtained from aldehydes or ketones} [2013-01]
B24D 3/30
. . . .
for close-grained structure [2013-01]
B24D 3/32
. . . .
for porous or cellular structure [2013-01]
B24D 3/34
.
characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties [2013-01]
B24D 3/342
. .
{incorporated in the bonding agent} [2013-01]
B24D 3/344
. . .
{the bonding agent being organic} [2013-01]
B24D 3/346
. .
{utilised during polishing, or grinding operation} [2013-01]
B24D 3/348
. .
{utilised as impregnating agent for porous abrasive bodies (after-treatments in general B24D 3/005)} [2013-01]
Bonded abrasive wheels [2013-01]
B24D 5/00
Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor [2013-01]
B24D 5/02
.
Wheels in one piece [2013-01]
B24D 5/04
. .
with reinforcing means [2013-01]
B24D 5/06
.
with inserted abrasive blocks, e.g. segmental (zonally graded B24D 5/14) [2013-01]
B24D 5/063
. .
{with segments embedded in a matrix which is rubbed away during the grinding process} [2013-01]
B24D 5/066
. .
{with segments mounted axially one against the other} [2013-01]
B24D 5/08
. .
with reinforcing means [2013-01]
B24D 5/10
.
with cooling provisions, e.g. with radial slots [2013-01]
B24D 5/12
.
Cut-off wheels [2013-01]
B24D 5/123
. .
{having different cutting segments} [2013-01]
B24D 5/126
. .
{having an internal cutting edge} [2013-01]
B24D 5/14
.
Zonally-graded wheels; Composite wheels comprising different abrasives [2013-01]
B24D 5/16
.
Bushings; Mountings [2013-01]
B24D 5/165
. .
{Balancing means} [2013-01]
B24D 7/00
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 [2013-01]
B24D 7/005
.
{for cutting spherical surfaces} [2013-01]
B24D 7/02
.
Wheels in one piece [2013-01]
B24D 7/04
. .
with reinforcing means [2013-01]
B24D 7/06
.
with inserted abrasive blocks, e.g. segmental (zonally-graded B24D 7/14) [2013-01]
B24D 7/063
. .
{with segments embedded in a matrix which is rubbed away during the grinding process} [2013-01]
B24D 7/066
. .
{Grinding blocks; their mountings or supports} [2013-01]
B24D 7/08
. .
with reinforcing means [2013-01]
B24D 7/10
.
with cooling provisions [2013-01]
B24D 7/12
.
with apertures for inspecting the surface to be abraded [2013-01]
B24D 7/14
.
Zonally-graded wheels; Composite wheels comprising different abrasives [2013-01]
B24D 7/16
.
Bushings; Mountings [2013-01]
B24D 7/18
.
Wheels of special form (if specially designed for a particular purpose provided for in a single other class, that class takes precedence; {saw cylinders having their cutting rim equipped with abrasive particles for working stone or glass B28D 1/041}) [2013-01]
B24D 9/00
Wheels or drums supporting in exchangeable arrangement a layer of flexible abrasive material, e.g. sandpaper (wheels or drums as machine elements F16) [2013-01]
B24D 9/003
.
{Wheels having flaps of flexible abrasive material supported by a flexible material} [2013-01]
B24D 9/006
.
{Tools consisting of a rolled strip of flexible material} [2013-01]
B24D 9/02
.
Expansible drums for carrying flexible material in tubular form, e.g. expanded by centrifugal force [2013-01]
B24D 9/04
.
Rigid drums for carrying flexible material [2013-01]
B24D 9/06
. .
able to be stripped-off from a built-in delivery spool [2013-01]
B24D 9/08
.
Circular back-plates for carrying flexible material [2013-01]
B24D 9/085
. .
{Devices for mounting sheets on a backing plate} [2013-01]
B24D 9/10
. .
with suction means for securing the material [2013-01]
B24D 11/00
Constructional features of flexible abrasive materials; Special features in the manufacture of such materials [2013-01]
B24D 11/001
.
{Manufacture of flexible abrasive materials} [2013-01]
B24D 11/003
. .
{without embedded abrasive particles (B24D 11/005 takes precedence)} [2013-01]
B24D 11/005
. .
{Making abrasive webs} [2013-01]
B24D 11/006
. . .
{without embedded abrasive particles} [2013-01]
B24D 11/008
.
{Finishing manufactured abrasive sheets, e.g. cutting, deforming} [2013-01]
B24D 11/02
.
Backings, e.g. foils, webs, mesh fabrics [2013-01]
B24D 11/04
.
Zonally-graded surfaces [2013-01]
B24D 11/06
.
Connecting the ends of materials, e.g. for making abrasive belts [2013-01]
B24D 11/065
. .
{Treatment of the ends of flexible abrasive materials before connecting them} [2013-01]
B24D 11/08
.
Equipment for after-treatment of the coated backings, e.g. for flexing the coating [2013-01]
B24D 13/00
Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor [2013-01]
B24D 13/02
.
acting by their periphery [2013-01]
B24D 13/04
. .
comprising a plurality of flaps or strips arranged around the axis [2013-01]
B24D 13/045
. . .
{comprising flaps not covering the entire periphery of the wheel} [2013-01]
B24D 13/06
. .
the flaps or strips being individually attached [2013-01]
B24D 13/08
. .
comprising annular or circular sheets packed side by side [2013-01]
B24D 13/085
. . .
{comprising flaps with a circular sheet on each side} [2013-01]
B24D 13/10
. .
comprising assemblies of brushes [2013-01]
B24D 13/12
. .
comprising assemblies of felted or spongy material, e.g. felt, steel wool, foamed latex [2013-01]
B24D 13/14
.
acting by the front face [2013-01]
B24D 13/142
. .
{Wheels of special form} [2013-01]
B24D 13/145
. .
{having a brush-like working surface} [2013-01]
B24D 13/147
. .
{comprising assemblies of felted or spongy material; comprising pads surrounded by a flexible material} [2013-01]
B24D 13/16
. .
comprising pleated flaps or strips [2013-01]
B24D 13/18
.
with cooling provisions [2013-01]
B24D 13/20
.
Mountings for the wheels [2013-01]
B24D 15/00
Hand tools or other devices for non-rotary grinding, polishing, or stropping [2013-01]
B24D 15/02
.
rigid; with rigidly-supported operative surface [2013-01]
B24D 15/023
. .
{using in exchangeable arrangement a layer of flexible material} [2013-01]
B24D 15/026
. . .
{able to be stripped-off from a built-in delivery spool} [2013-01]
B24D 15/04
.
resilient; with resiliently-mounted operative surface [2013-01]
B24D 15/045
. .
{Glove-shaped abrasive devices} [2013-01]
B24D 15/06
.
specially designed for sharpening cutting edges [2013-01]
B24D 15/061
. .
{for electric shaving blades} [2013-01]
B24D 15/063
. .
{for grinding shears, scissors} [2013-01]
B24D 15/065
. .
{for sharpening both knives and scissors} [2013-01]
B24D 15/066
. .
{for sharpening skate blades, i.e. blades having two sharp edges defined by three surfaces intersecting in pairs at an angle of substantially 90°} [2013-01]
B24D 15/068
. .
{for sharpening ski edges, i.e. sharp edges defined by two surfaces intersecting at an angle of substantially 90°} [2013-01]
B24D 15/08
. .
of knives; of razors [2013-01]
B24D 15/081
. . .
{with sharpening elements in interengaging or in mutual contact} [2013-01]
B24D 15/082
. . . .
{the elements being rotatable} [2013-01]
B24D 15/084
. . .
{the sharpening elements being fitted to knife sheaths, holders or handles} [2013-01]
B24D 15/085
. . .
{with reciprocating whetstones} [2013-01]
B24D 15/087
. . . .
{having a crank handle} [2013-01]
B24D 15/088
. . .
{with whetting leather} [2013-01]
B24D 15/10
. .
of safety-razor blades (devices with mechanically-operated parts B24B 3/50) [2013-01]
B24D 15/105
. . .
{Holders therefor} [2013-01]
B24D 18/00
Manufacture of grinding tools {or other grinding devices}, e.g. wheels, not otherwise provided for [2013-01]
B24D 18/0009
.
{using moulds or presses} [2013-01]
B24D 18/0018
.
{by electrolytic deposition} [2013-01]
B24D 18/0027
.
{by impregnation} [2013-01]
B24D 18/0036
.
{by winding up abrasive bands} [2013-01]
B24D 18/0045
.
{by stacking sheets of abrasive material} [2013-01]
B24D 18/0054
.
{by impressing abrasive powder in a matrix} [2013-01]
B24D 18/0063
.
{by extrusion} [2013-01]
B24D 18/0072
.
{using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing} [2013-01]
B24D 18/0081
.
{of wire-reinforced grinding tools} [2013-01]
B24D 18/009
.
{Tools not otherwise provided for} [2013-01]
B24D 99/00
Subject matter not provided for in other groups of this subclass {(B28D 1/124 takes precedence)} [2013-01]
B24D 99/005
.
{Segments of abrasive wheels} [2013-01]

B24D 2201/00
Bushings or mountings integral with the grinding wheel [2013-01]
B24D 2203/00
Tool surfaces formed with a pattern [2013-01]
B24D 2205/00
Grinding tools with incorporated marking device [2013-01]