WebCPC 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 C08J 5/14; polishing compositions C09G 1/00; abrasives C09K 3/14)

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)

B24D 3/001 ・{the constituent being used as supporting member}

B24D 3/002 ・・{Flexible supporting members, e.g. paper, woven, plastic materials}

B24D 3/004 ・・・{with special coatings}

B24D 3/005 ・{the constituent being used during pre- or after-treatment (B24D 3/348 takes precedence)}

B24D 3/007 ・{the constituent being used as bonding agent between different parts of an abrasive tool}

B24D 3/008 ・{Abrasive bodies without external bonding agent}

B24D 3/02 ・the constituent being used as bonding agent

B24D 3/04 ・・and being essentially inorganic

B24D 3/06 ・・・metallic {or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements}

B24D 3/08 ・・・・for close-grained structure, e.g. using metal with low melting point

B24D 3/10 ・・・・for porous or cellular structure, e.g. for use with diamonds as abrasives

B24D 3/12 ・・・water-setting, e.g. concrete

B24D 3/14 ・・・ceramic, i.e. vitrified bondings {(mixture with metals B24D 3/06)}

B24D 3/16 ・・・・for close-grained structure, i.e. of high density

B24D 3/18 ・・・・for porous or cellular structure

B24D 3/20 ・・and being essentially organic

B24D 3/22 ・・・Rubbers {synthetic or natural}

B24D 3/24 ・・・・for close-grained structure {(B24D 3/002 takes precedence)}

B24D 3/26 ・・・・for porous or cellular structure

B24D 3/28 ・・・Resins {or natural or synthetic macromolecular compounds (B24D 3/22 takes precedence)}

B24D 3/285 ・・・・{Reaction products obtained from aldehydes or ketones}

B24D 3/30 ・・・・for close-grained structure

B24D 3/32 ・・・・for porous or cellular structure

B24D 3/34 ・characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties

B24D 3/342 ・・{incorporated in the bonding agent}

B24D 3/344 ・・・{the bonding agent being organic}

B24D 3/346 ・・{utilised during polishing, or grinding operation}

B24D 3/348 ・・{utilised as impregnating agent for porous abrasive bodies (after-treatments in general B24D 3/005)}

B24D 5/00 Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor

B24D 5/02 ・Wheels in one piece

B24D 5/04 ・・with reinforcing means

B24D 5/06 ・with inserted abrasive blocks, e.g. segmental (zonally graded B24D 5/14)

B24D 5/063 ・・{with segments embedded in a matrix which is rubbed away during the grinding process}

B24D 5/066 ・・{with segments mounted axially one against the other}

B24D 5/08 ・・with reinforcing means

B24D 5/10 ・with cooling provisions, e.g. with radial slots

B24D 5/12 ・Cut-off wheels

B24D 5/123 ・・{having different cutting segments}

B24D 5/126 ・・{having an internal cutting edge}

B24D 5/14 ・Zonally-graded wheels; Composite wheels comprising different abrasives

B24D 5/16 ・Bushings; Mountings

B24D 5/165 ・・{Balancing means}

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

B24D 7/005 ・{for cutting spherical surfaces}

B24D 7/02 ・Wheels in one piece

B24D 7/04 ・・with reinforcing means

B24D 7/06 ・with inserted abrasive blocks, e.g. segmental (zonally-graded B24D 7/14)

B24D 7/063 ・・{with segments embedded in a matrix which is rubbed away during the grinding process}

B24D 7/066 ・・{Grinding blocks; their mountings or supports}

B24D 7/08 ・・with reinforcing means

B24D 7/10 ・with cooling provisions

B24D 7/12 ・with apertures for inspecting the surface to be abraded

B24D 7/14 ・Zonally-graded wheels; Composite wheels comprising different abrasives

B24D 7/16 ・Bushings; Mountings

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})

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)

B24D 9/003 ・{Wheels having flaps of flexible abrasive material supported by a flexible material}

B24D 9/006 ・{Tools consisting of a rolled strip of flexible material}

B24D 9/02 ・Expansible drums for carrying flexible material in tubular form, e.g. expanded by centrifugal force

B24D 9/04 ・Rigid drums for carrying flexible material

B24D 9/06 ・・able to be stripped-off from a built-in delivery spool

B24D 9/08 ・Circular back-plates for carrying flexible material

B24D 9/085 ・・{Devices for mounting sheets on a backing plate}

B24D 9/10 ・・with suction means for securing the material

B24D 11/00 Constructional features of flexible abrasive materials; Special features in the manufacture of such materials

B24D 11/001 ・{Manufacture of flexible abrasive materials}

B24D 11/003 ・・{without embedded abrasive particles (B24D 11/005 takes precedence)}

B24D 11/005 ・・{Making abrasive webs}

B24D 11/006 ・・・{without embedded abrasive particles}

B24D 11/008 ・{Finishing manufactured abrasive sheets, e.g. cutting, deforming}

B24D 11/02 ・Backings, e.g. foils, webs, mesh fabrics

B24D 11/04 ・Zonally-graded surfaces

B24D 11/06 ・Connecting the ends of materials, e.g. for making abrasive belts

B24D 11/065 ・・{Treatment of the ends of flexible abrasive materials before connecting them}

B24D 11/08 ・Equipment for after-treatment of the coated backings, e.g. for flexing the coating

B24D 13/00 Wheels having flexibly-acting working parts, e.g. buffing wheels; Mountings therefor

B24D 13/02 ・acting by their periphery

B24D 13/04 ・・comprising a plurality of flaps or strips arranged around the axis

B24D 13/045 ・・・{comprising flaps not covering the entire periphery of the wheel}

B24D 13/06 ・・the flaps or strips being individually attached

B24D 13/08 ・・comprising annular or circular sheets packed side by side

B24D 13/085 ・・・{comprising flaps with a circular sheet on each side}

B24D 13/10 ・・comprising assemblies of brushes

B24D 13/12 ・・comprising assemblies of felted or spongy material, e.g. felt, steel wool, foamed latex

B24D 13/14 ・acting by the front face

B24D 13/142 ・・{Wheels of special form}

B24D 13/145 ・・{having a brush-like working surface}

B24D 13/147 ・・{comprising assemblies of felted or spongy material; comprising pads surrounded by a flexible material}

B24D 13/16 ・・comprising pleated flaps or strips

B24D 13/18 ・with cooling provisions

B24D 13/20 ・Mountings for the wheels

B24D 15/00 Hand tools or other devices for non-rotary grinding, polishing, or stropping

B24D 15/02 ・rigid; with rigidly-supported operative surface

B24D 15/023 ・・{using in exchangeable arrangement a layer of flexible material}

B24D 15/026 ・・・{able to be stripped-off from a built-in delivery spool}

B24D 15/04 ・resilient; with resiliently-mounted operative surface

B24D 15/045 ・・{Glove-shaped abrasive devices}

B24D 15/06 ・specially designed for sharpening cutting edges

B24D 15/061 ・・{for electric shaving blades}

B24D 15/063 ・・{for grinding shears, scissors}

B24D 15/065 ・・{for sharpening both knives and scissors}

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°}

B24D 15/068 ・・{for sharpening ski edges, i.e. sharp edges defined by two surfaces intersecting at an angle of substantially 90°}

B24D 15/08 ・・of knives; of razors

B24D 15/081 ・・・{with sharpening elements in interengaging or in mutual contact}

B24D 15/082 ・・・・{the elements being rotatable}

B24D 15/084 ・・・{the sharpening elements being fitted to knife sheaths, holders or handles}

B24D 15/085 ・・・{with reciprocating whetstones}

B24D 15/087 ・・・・{having a crank handle}

B24D 15/088 ・・・{with whetting leather}

B24D 15/10 ・・of safety-razor blades (devices with mechanically-operated parts B24B 3/50)

B24D 15/105 ・・・{Holders therefor}

B24D 18/00 Manufacture of grinding tools {or other grinding devices}, e.g. wheels, not otherwise provided for

B24D 18/0009 ・{using moulds or presses}

B24D 18/0018 ・{by electrolytic deposition}

B24D 18/0027 ・{by impregnation}

B24D 18/0036 ・{by winding up abrasive bands}

B24D 18/0045 ・{by stacking sheets of abrasive material}

B24D 18/0054 ・{by impressing abrasive powder in a matrix}

B24D 18/0063 ・{by extrusion}

B24D 18/0072 ・{using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing}

B24D 18/0081 ・{of wire-reinforced grinding tools}

B24D 18/009 ・{Tools not otherwise provided for}

B24D 99/00 Subject matter not provided for in other groups of this subclass {(B28D 1/124 takes precedence)}

B24D 99/005 ・{Segments of abrasive wheels}

B24D 2201/00 Bushings or mountings integral with the grinding wheel

B24D 2203/00 Tool surfaces formed with a pattern

B24D 2205/00 Grinding tools with incorporated marking device