B:	PERFORMING OPERATIONS; TRANSPORTING
B24:	GRINDING; POLISHING
B24B:	MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING ; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B1/00:	Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes (processes characterised by the use of special machines or devices, see the relevant places for those machines or devices)
B24B1/00B:	. [N: using electric current (B24B37/04D and B23H5/08 take precedence)]
B24B1/00C:	. characterised by the use of specific material
B24B1/00D:	. using a magnetic polishing agent [M1106]
B24B1/00F:	. abrasive treatment to obtain an aged or worn-out appearance
B24B1/04:	. subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
B24B3/00:	Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
B24B3/00E:	. for skate blades
B24B3/00F:	. for edges of skis, snowboards or the like [M1106]
B24B3/02:	. of milling cutters
B24B3/02B:	. . of milling cutters with helical cutting edges
B24B3/02C:	. . relief grinding of milling cutters
B24B3/02D:	. . Indexing equipment
B24B3/02E:	. . Tooth rests; Supporting means for milling-cutter grinding machines
B24B3/02G:	. . of milling cutters with embedded cutters
B24B3/02H:	. . of tapered milling cutters
B24B3/04:	. . of plain milling cutters
B24B3/04B:	. . . of milling cutters with helical cutting edges
B24B3/06:	. . of face or end milling cutters or cutter heads, e.g. of shank type
B24B3/60C:	. . of thread-cutting tools
B24B3/06B:	. . . end milling cutters with rounded ends
B24B3/08:	. . of profile milling cutters, e.g. of disc type
B24B3/08B:	. . . using a template
B24B3/10:	. . of routers or engraving needles
B24B3/12:	. . of hobs
B24B3/14:	. . of mortise chain cutters
B24B3/16:	. of broaches
B24B3/18:	. of taps or reamers
B24B3/20:	. . Tapering or chamfering taps or reamers
B24B3/22:	. . Relief cutting of taps or reamers
B24B3/24:	. of drills
B24B3/24B:	. . of step drills
B24B3/24C:	. . for simultaneously sharpening several drills; Supports therefor
B24B3/24D:	. . Supports for drills B24B3/24C takes precedence
B24B3/26:	. . of the point of twist drills
B24B3/26B:	. . . using devices specially adapted for domestic use [M1106]
B24B3/28:	. . . by swivelling the drill around an axis angularly to the drill axis
B24B3/30:	. . . . and rotating the drill about its own axis
B24B3/32:	. . . for thinning the point
B24B3/33:	. . of drills for stone
B24B3/34:	. of turning or planing tools or tool bits, e.g. gear cutters
B24B3/34B:	. . of throw-away cutting bits
B24B3/34C:	. . of gear shaper cutter
B24B3/36:	. of cutting blades
B24B3/36B:	. . of reciprocating blades
B24B3/36C:	. . of blades mounted on a turning drum
B24B3/36D:	. . of rotary mower blades
B24B3/36E:	. . of meat mincing or meat grinding machines [M1106]
B24B3/36G:	. . installed as an accessory on another machine B26D7/12 takes precedence
B24B3/38:	. . for planing wood, e.g. cutter blades
B24B3/40:	. . Processes or apparatus specially adapted for sharpening curved edges
B24B3/42:	. . helically bent, e.g. for lawn mowers
B24B3/44:	. . of scythes or sickles
B24B3/46:	. . of disc blades
B24B3/46B:	. . . of slicing machine disc blades
B24B3/46C:	. . . of cultivator disc blades
B24B3/48:	. . of razor blades or razors
B24B3/48B:	. . . for travelling razor blades, in the form of a band or fitted on a transfer means
B24B3/50:	. . . operated manually
B24B3/52:	. . of shear blades or scissors
B24B3/54:	. . of hand or table knives
B24B3/54B:	. . . using hand or foot driven tools
B24B3/54C:	. . . the tool being driven in a non-rotary motion, e.g. oscillatory, gyratory
B24B3/55:	. of knife bars for harvesting machines
B24B3/56:	. of slicing bands
B24B3/58:	. of tools having scalloped cutting edges
B24B3/58B:	. . of bands
B24B3/58C:	. . of serrated edges, e.g. triangular shaped B24B3/58B takes precedence
B24B3/60:	. of tools not covered by the preceding subgroups
B24B3/60B:	. . of thread cutting tools [M1106]
B24B3/60D:	. . of chirurgical or dental instruments
B24B3/60F:	. . of files
B24B5/00:	Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
B24B5/00B:	. of parabolic and other surfaces formed by the revolution of conic sections
B24B5/00C:	. for mass articles in general
B24B5/01:	. for combined grinding of surfaces of revolution and of adjacent plane surfaces on work
B24B5/02:	. involving centres or chucks for holding work
B24B5/02B:	. . involving indexable work supporting means carrying several work pieces to be operated on in succession
B24B5/04:	. . for grinding cylindrical surfaces externally
B24B5/04B:	. . . for grinding several workpieces at once using one grinding wheel
B24B5/04C:	. . . with the grinding wheel axis perpendicular to the workpiece axis
B24B5/04D:	. . . of workpieces turning about a vertical axis
B24B5/06:	. . for grinding cylindrical surfaces internally
B24B5/06B:	. . . for brake drums
B24B5/08:	. . . involving a vertical tool spindle
B24B5/10:	. . . involving a horizontal tool spindle
B24B5/12:	. . for grinding cylindrical surfaces both externally and internally with several grinding wheels [M1203]
B24B5/14:	. . for grinding conical surfaces, e.g. of centres
B24B5/16:	. . for grinding peculiarly surfaces, e.g. bulged
B24B5/16B:	. . . controlled by a template B24B5/16D takes precedence
B24B5/16C:	. . . controlled by gearing B24B5/16D takes precedence
B24B5/16D:	. . . for rolls with large curvature radius, e.g. mill rolls
B24B5/18:	. involving centreless means for supporting, guiding, floating or rotating work
B24B5/18B:	. . for internal surfaces
B24B5/20:	. . involving grooved abrading blocks
B24B5/22:	. . for grinding cylindrical surfaces, e.g. on bolts
B24B5/22B:	. . . for mass articles
B24B5/24:	. . for grinding conical surfaces
B24B5/24B:	. . . for mass articles
B24B5/26:	. . for grinding peculiarly profiled surfaces, e.g. bulged
B24B5/28:	. . for grinding outer surfaces concentrically to bores, involving additional centering means
B24B5/30:	. . Regulating-wheels; Equipment therefor
B24B5/307:	. . Means for supporting work
B24B5/313:	. involving work-supporting means carrying several workpieces to be operated on in succession
B24B5/32:	. . the work-supporting means being indexable
B24B5/35:	. Accessories
B24B5/35B:	. . Feeding means
B24B5/36:	. Single-purpose machines or devices
B24B5/36B:	. . for grinding surfaces of revolution in situ
B24B5/36D:	. . for grinding tyres
B24B5/37:	. . for grinding rolls, e.g. barrel-shaped rolls
B24B5/38:	. . for externally grinding travelling elongated stock, e.g. wire
B24B5/40:	. . for grinding tubes internally
B24B5/42:	. . for grinding crankshafts or crankpins
B24B5/42B:	. . . Supports therefor
B24B5/42C:	. . . having a grinding wheel turning around the workpiece
B24B5/42D:	. . . in situ
B24B5/42E:	. . . Portable devices therefor
B24B5/42F:	. . . Balancing means
B24B5/44:	. . for grinding rims of vehicle wheels, e.g. for bicycles
B24B5/46:	. . for grinding railway car wheels
B24B5/48:	. . for grinding walls of very fine holes, e.g. in drawing-dies
B24B5/48B:	. . . using grinding wires or ropes
B24B5/50:	. characterised by a special design with respect to properties of the material of non-metallic articles to be ground, e.g. strings
B24B7/00:	Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
B24B7/00B:	. Portal grinding machines
B24B7/02:	. involving a reciprocatingly-moved work-table
B24B7/04:	. involving a rotary work-table
B24B7/06:	. involving conveyer belts, a sequence of travelling work-tables or the like
B24B7/07:	. involving a stationary work-table
B24B7/07B:	. . using a reciprocating grinding head mounted on a movable carriage
B24B7/08:	. . having an abrasive wheel built in
B24B7/10:	. Single-purpose machines or devices
B24B7/12:	. . for grinding travelling elongated stock, e.g. strip-shaped work
B24B7/13:	. . . grinding while stock moves from coil to coil
B24B7/14:	. . for grinding slideways
B24B7/16:	. . for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
B24B7/16B:	. . . for mass articles
B24B7/16C:	. . . end faces of piston rings
B24B7/16D:	. . . end faces coil springs
B24B7/17:	. . . for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders
B24B7/18:	. . for grinding floorings, walls, ceilings or the like
B24B7/18B:	. . . for walls and ceilings
B24B7/18B1:	. . . . [N: pole sanders]
B24B7/18D:	. . . [N: with disc-type tools]
B24B7/18F:	. . . [N: with cylinder- or belt-type tools]
B24B7/19:	. . for grinding plane decorative patterns
B24B7/20:	. characterised by a special design with respect to properties of the material of non-metallic articles to be ground
B24B7/22:	. . for grinding inorganic material, e.g. stone, ceramics, porcelain
B24B7/22B:	. . . for grinding vertical surfaces B24B7/26B takes precedence
B24B7/22C:	. . . Portal grinding machines; Machines having a tool movable in a plane
B24B7/22D:	. . . in which the tool is supported by the workpiece
B24B7/22E:	. . . for grinding thin, brittle parts, e.g. semiconductors, wafers grinding edges of thin, brittle parts B24B9/06B
B24B7/24:	. . . for grinding or polishing glass
B24B7/24B:	. . . . Methods
B24B7/24C:	. . . . for plate glass
B24B7/24C1:	. . . . . continuous
B24B7/24C2:	. . . . . discontinuous
B24B7/24D:	. . . . using reciprocating grinding tools
B24B7/24D1:	. . . . . high-frequency reciprocating tools, e.g. magnetically driven
B24B7/26:	. . . . for simultaneously grinding or polishing opposite faces of continuously travelling sheets or bands
B24B7/26B:	. . . . . of vertical surfaces
B24B7/28:	. . for grinding wood
B24B7/30:	. . for grinding plastics
B24B9/00:	Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
B24B9/00B:	. for travelling workpieces
B24B9/00C:	. for mass articles
B24B9/00D:	. for end faces of tubes cleaning pipe ends or pipe fittings, e.g. before soldering B08B9/02F
B24B9/02:	. characterised by a special design with respect to properties of materials specific to articles to be ground
B24B9/04:	. . of metal, e.g. skate blades B24B3/00E takes precedence
B24B9/06:	. . of non-metallic inorganic material, e.g. stone, ceramics, porcelain
B24B9/06B:	. . . of thin, brittle parts, e.g. semiconductors, wafers
B24B9/08:	. . . of glass
B24B9/08B:	. . . . for watch glasses
B24B9/10:	. . . . of plate glass
B24B9/10B:	. . . . . for travelling sheets
B24B9/10C:	. . . . . using a template
B24B9/10D:	. . . . . for glass plates while they are turning
B24B9/12:	. . . . of hollow glassware, e.g. drinking glasses, preserve jars, television picture tube viewing panels
B24B9/14:	. . . . of optical work, e.g. lenses, prisms control of the position of the tool for bevelling optical work B24B47/22B
B24B9/14B:	. . . . . for contact lenses
B24B9/14C:	. . . . . the spectacles being used as a template
B24B9/14D:	. . . . . Accessories, e.g. lens mounting devices
B24B9/14E:	. . . . . electrically, e.g. numerically, controlled
B24B9/16:	. . . of diamonds; of jewels or the like; Diamond grinders` dops; Dop holders or tongs
B24B9/16B:	. . . . Dops, dop holders
B24B9/16C:	. . . . by bruting, i.e. rubbing two precious stones against each other
B24B9/16D:	. . . . of gem stones or convex surfaces, cabochons
B24B9/16E:	. . . . of diamond tools
B24B9/16G:	. . . . for grinding cavities in gem stones
B24B9/16H:	. . . . using heat
B24B9/16I:	. . . . with means for turning and positioning the gem stones
B24B9/16K:	. . . . grinding peripheral, e.g. conical or cylindrical, surfaces [M1203]
B24B9/16K1:	. . . . . using templates
B24B9/18:	. . of wood
B24B9/20:	. . of plastics
B24B11/00:	Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
B24B11/02:	. for grinding balls
B24B11/04:	. . involving grinding wheels
B24B11/06:	. . . acting by the front faces, e.g. of plane, grooved or bevelled shape
B24B11/08:	. . . acting by the circumference
B24B11/10:	. . . of cup type
B24B13/00:	Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
B24B13/005:	. Blocking means, chucks or the like; Alignment devices
B24B13/005B:	. . Lens block moulding devices
B24B13/005C:	. . Positioning of lenses; Marking of lenses
B24B13/005D:	. . [N: Deblocking of lenses]
B24B13/00B:	. [N: for intraocular lenses]
B24B13/00D:	. for multifocal lenses
B24B13/00F:	. for plane optical surfaces
B24B13/00G:	. for contact lenses
B24B13/00H:	. Machines having several working posts; Feeding and manipulating devices
B24B13/00H1:	. . the lenses being worked by different tools, e.g. for rough-grinding, fine-grinding, polishing
B24B13/00J:	. the workpieces being deformed during the grinding operation
B24B13/01:	. Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
B24B13/015:	. of television picture tube viewing panels, headlight reflectors or the like
B24B13/01B:	. . [N: conformable in shape to the optical surface, e.g. by fluid pressure acting on an elastic membrane]
B24B13/02:	. by means of tools with abrading surfaces corresponding in shape with the lenses to be made
B24B13/02B:	. . for grinding several lenses simultaneously
B24B13/02C:	. . the contact between tool and workpiece being a line
B24B13/04:	. grinding of lenses involving grinding wheels controlled by gearing
B24B13/04C:	. . using cup-type grinding wheels
B24B13/04D:	. . using a pointed tool or scraper-like tool (B24B13/015andB24B13/06Btake precedence)
B24B13/06:	. grinding of lenses, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes
B24B13/06B:	. . using a template
B24B15/00:	Machines or devices designed for grinding seat surfaces; Accessories therefor
B24B15/02:	. in valve housings
B24B15/03:	. . using portable or mobile machines
B24B15/04:	. on valve members
B24B15/06:	. on openings of bottles; on bottle stoppers or the like
B24B15/08:	. for grinding co-operating seat surfaces by moving one over the other
B24B17/00:	Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like ; Accessories therefor
B24B17/00B:	. [N: with electrical feeler and a hydraulic control system
B24B17/02:	. involving mechanical transmission means only
B24B17/02B:	. . using a pantograph
B24B17/02C:	. . using two or more templates
B24B17/02D:	. . for grinding rotating workpieces (three dimensional)
B24B17/02D1:	. . . for the periphery of plane workpieces, e.g. cams, lenses
B24B17/02G:	. . using an abrasive belt
B24B17/04:	. involving optical auxiliary means, e.g. optical projection form grinding machines
B24B17/06:	. . combined with electrical transmission means, e.g. controlled by photoelectric cells
B24B17/08:	. involving fluid transmission means only
B24B17/10:	. involving electrical transmission means only, e.g. controlled by magnetic tape
B24B19/00:	Single-purpose machines or devices for particular grinding operations not covered by any other main group
B24B19/00B:	. for table cutlery
B24B19/00B1:	. . for knife blades sharpening table knife blades B24B3/54
B24B19/00D:	. for the underframes of locomotives
B24B19/00F:	. for grinding rails, T, I, H or other similar profiles
B24B19/00G:	. for grinding skins or similar sheets
B24B19/00H:	. for grinding hollow glassware, bottles
B24B19/00K:	. for grinding buttons, nail heads, screw heads, bottle capsules or the like
B24B19/00M:	. for grinding ceramics, pottery, table ware
B24B19/00N:	. for grinding profiled workpieces using a profiled grinding tool
B24B19/02:	. for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
B24B19/02B:	. . for helicoidal grooves B24B19/04 takes precedence [M1203]
B24B19/02B1:	. . . on electrical resistances
B24B19/02C:	. . for checks for pilger rolls
B24B19/02D:	. . for microgrooves or oil spots
B24B19/03:	. . for grinding grooves in glass workpieces, e.g. decorative grooves
B24B19/04:	. . for fluting drill shanks
B24B19/06:	. . for grinding races, e.g. roller races
B24B19/08:	. for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
B24B19/09:	. . for grinding trochoidal surfaces, e.g. in rotor housings of Wankel engines
B24B19/09B:	. . . using templates
B24B19/10:	. . for grinding pistons
B24B19/11:	. . for grinding the circumferential surface of rings, e.g. piston rings
B24B19/12:	. . for grinding cams or camshafts
B24B19/12B:	. . . electrically controlled, e.g. numerically controlled
B24B19/14:	. for grinding turbine blades, propeller blades or the like
B24B19/16:	. for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli [M1208]
B24B19/16B:	. . Phonograph needles and the like
B24B19/18:	. . for grinding carding equipment, e.g. card-clothings
B24B19/20:	. for grinding dies
B24B19/22:	. characterised by a special design with respect to properties of the material of non-metallic articles to be ground
B24B19/22B:	. . of paper or similar sheet material, e.g. perforating, cutting by means of a grinding wheel
B24B19/22C:	. . of the ends of optical fibres
B24B19/24:	. . of wood, e.g. furniture
B24B19/26:	. for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads [M1208]
B24B19/26B:	. . for bumpers
B24B19/28:	. . for grinding shoes or linings of drum brakes
B24B21/00:	Machines or devices using grinding or polishing belts ; Accessories therefor
B24B21/00B:	. for grinding impeller blades
B24B21/00C:	. for grinding edges or bevels
B24B21/00D:	. using abrasive rolled strips
B24B21/00F:	. for special purposes, e.g. for television tubes, car bumpers
B24B21/00G:	. Machines comprising two or more tools or having several working posts B24B21/00F takes precedence
B24B21/02:	. for grinding rotationally symmetrical surfaces
B24B21/02B:	. . for travelling elongated stock, e.g. wire
B24B21/04:	. for grinding plane surfaces
B24B21/06:	. . involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground
B24B21/08:	. . . Pressure shoes; Pressure members, e.g. backing belts
B24B21/10:	. . involving a rigid member, e.g. pressure bar, table, pressing or supporting the belt over substantially its whole span
B24B21/12:	. . involving a contact wheel or roller pressing the belt against the work
B24B21/14:	. . . Contact wheels; Contact rollers; Belt supporting rolls
B24B21/16:	. for grinding other surfaces of particular shape
B24B21/16B:	. . [N: for vanes or blades of turbines, propellers, impellers, compressors and the like]
B24B21/18:	. Accessories
B24B21/20:	. . for controlling or adjusting the tracking or the tension of the grinding belt
B24B21/22:	. . for producing a reciprocation of the grinding belt normal to its direction of movement
B24B23/00:	Portable grinding machines, e.g. hand-guided; Accessories therefor
B24B23/00C:	. Auxiliary devices used in connection with portable grinding machines, e.g. holders
B24B23/02:	. with rotating grinding tools; Accessories therefor
B24B23/02B:	. . Spindle-locking devices, e.g. for mounting or removing the tool
B24B23/02C:	. . driven by hands or feet
B24B23/02D:	. . Fluid driven
B24B23/02E:	. . Angle tools
B24B23/03:	. . the tool being driven in a combined movement
B24B23/04:	. with oscillating grinding tools; Accessories therefor
B24B23/04B:	. . reciprocatingly driven by a pneumatic or hydraulic piston
B24B23/04D:	. . [N: Clamping or tensioning means for abrasive sheets]
B24B23/06:	. with abrasive belts, e.g. with endless travelling belts; Accessories therefor
B24B23/08:	. Portable grinding machines designed for fastening on work-pieces or other parts of particular section, e.g. for grinding commutators
B24B25/00:	Grinding machines of universal type
B24B27/00:	Other grinding machines or devices
B24B27/00B:	. Movable machines
B24B27/00C:	. Hanging grinding machines
B24B27/00D:	. grinding machines with a plurality of working posts
B24B27/00F:	. using a tool turning around the work-piece
B24B27/00G:	. with the grinding tool mounted at the end of a set of bars
B24B27/00H:	. Column grinding machines
B24B27/00I:	. Radial grinding machines
B24B27/00K:	. having several tools on a revolving tools box
B24B27/00L:	. with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means see also B24B27/00D, B24B7/16
B24B27/00M:	. grinding machines comprising two or more grinding tools
B24B27/00N:	. the grinding wheel support being angularly adjustable
B24B27/00P:	. [N: Grinding attachments for lathes or the like]
B24B27/02:	. Bench grinders
B24B27/027:	. having a flexible shaft
B24B27/033:	. for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
B24B27/04:	. . Grinding machines or devices in which the grinding tool is supported on a swinging arm
B24B27/06:	. Grinders for cutting-off
B24B27/06B:	. . using a saw movable on slideways
B24B27/06C:	. . using a tool turning around the workpiece
B24B27/06D:	. . whereby the workpieces are radially fed by means of a turning drum
B24B27/06E:	. . using a cutting wire
B24B27/06F:	. . for grinding holes
B24B27/06G:	. . the saw being mounted on a pivoting arm
B24B27/06H:	. . for cutting workpieces while they are turning about their longitudinal axis
B24B27/06J:	. . the saw blade being arranged underneath a work-table
B24B27/06M:	. . methods therefor
B24B27/06P:	. . Accessories therefor
B24B27/06P1:	. . . for controlling the feeding or return movement of the saw
B24B27/08:	. . being portable
B24B27/08B:	. . . Stands therefor
B24B29/00:	Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
B24B29/00B:	. [N: using brushes]
B24B29/02:	. designed for particular workpieces
B24B29/04:	. . for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces
B24B29/06:	. . for elongated workpieces having uniform cross-section in one main direction
B24B29/08:	. . . the cross-section being circular, e.g. tubes, wires, needles
B24B29/10:	. . for table cutlery
B24B31/00:	Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
B24B31/00C:	. whereby the workpieces are mounted on a holder and are immersed in the abrasive material
B24B31/00D:	. for grinding the interior surfaces of hollow workpieces
B24B31/02:	. involving rotary barrels
B24B31/023:	. . with tiltable axis
B24B31/027:	. . with additional oscillating movement
B24B31/02C:	. . for descaling wires travelling through the rotating drum
B24B31/02D:	. . the barrels being submitted to a composite rotary movement
B24B31/02D1:	. . . the barrels are moving around two parallel axes, e.g. gyratory, planetary movement B24B31/033 takes precedence
B24B31/02G:	. . the workpieces being fitted on a support
B24B31/03:	. . the workpieces being continuously-travelling
B24B31/033:	. . having several rotating or tumbling drums with parallel axes
B24B31/037:	. . having several rotating or tumbling drums with non-parallel axes B24B31/02D, B24B31/02D1 take precedence
B24B31/05:	. involving a container formed as a conveyer belt
B24B31/06:	. involving oscillating or vibrating containers
B24B31/067:	. . involving a bowl formed as a straight through
B24B31/06C:	. . the workpieces travelling through the containers B24B31/067, B24B31/073 take precedence
B24B31/06D:	. . the workpieces being fitted on a support
B24B31/073:	. . involving a bowl being ring- or spiral-shaped
B24B31/10:	. involving other means for tumbling of work
B24B31/104:	. . involving a rotating bowl, in which a ring zone of abrasive powder is formed by centrifugal force
B24B31/108:	. . involving a sectioned bowl, one part of which, e.g. its wall, is stationary and the other part of which is moved, e.g. rotated
B24B31/10B:	. . using an alternating magnetic field
B24B31/112:	. . using magnetically consolidated grinding powder, moved relatively to the workpiece under the influence of pressure
B24B31/116:	. . using plastically deformable grinding compound, moved relatively to the workpiece under the influence of pressure
B24B31/12:	. Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00 (in general B24B55/00 ] [M1208]
B24B31/14:	. . Abrading-bodies specially designed for tumbling apparatus, e.g. abrading-balls
B24B31/16:	. . Means for separating the workpiece from the abrasive medium at the end of operation
B24B33/00:	Honing machines or devices; Accessories therefor
B24B33/02:	. designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
B24B33/02B:	. . Horizontal honing machines
B24B33/02C:	. . Internal surface of conical shape
B24B33/02D:	. . using an unexpandable tool
B24B33/04:	. designed for working external surfaces of revolution
B24B33/05:	. designed for working grooves, e.g. in gun barrels
B24B33/055:	. designed for working plane surfaces
B24B33/06:	. with controlling or gauging equipment
B24B33/08:	. Honing tools for manufacturing gear teeth B23F21/03
B24B33/08B:	. . for external surfaces
B24B33/08C:	. . having only one honing stone
B24B33/08D:	. . with different sets of honing stones
B24B33/08F:	. . having honing stones at the end of bars
B24B33/08G:	. . in which the honing element consists of a deformable body
B24B33/08H:	. . Abrading blocks for honing tools
B24B33/08I:	. . provided with measuring equipment
B24B33/08K:	. . for holes having a shape other than cylindrical
B24B33/08L:	. . with a rack-and-pinion mechanism for expanding the honing segments
B24B33/10:	. Accessories
B24B33/10B:	. . Honing spindles; Devices for expanding the honing elements B24B33/04 takes precedence
B24B35/00:	Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
B24B35/00B:	. for making three-dimensional objects by electroerosion B23H5/04
B24B37/00:	IPC2012.01 Lapping machines or devices; Accessories
B24B37/005:	. IPC2012.01 Control means for lapping machines or devices
B24B37/005B:	. . detecting loss or breakage of a workpiece during lapping
B24B37/005D:	. . taking regard of the pH-value of lapping agents
B24B37/013:	. . IPC2012.01 Devices or means for detecting lapping completion
B24B37/015:	. . IPC2012.01 Temperature control
B24B37/02:	. designed for working surfaces of revolution
B24B37/025:	. . IPC2012.01 designed for working spherical surfaces
B24B37/02B:	. . characterised by the movement of the work between two lapping plates [M1106]
B24B37/04:	. designed for working plane surfaces
B24B37/04B:	. . operating processes therefor [M1203]
B24B37/04B1:	. . . [N: characterised by the composition of the lapping agent]
B24B37/04C:	. . both sides of the workpieces being lapped simultaneously
B24B37/04D:	. . [N: using electric current]
B24B37/04E:	. . the workpieces in their holder are both pressed against the lap and also able to rotate about an axis parallel to the axis of the lap without the aid of a motor
B24B37/04F:	. . [N: of sliders and magnetic heads of hard disc drives or the like]
B24B37/04G:	. . the workpieces are rotated by a motor about a fixed axis parallel to the axis of the lap, whilst being pressed against the lap
B24B37/04H:	. . the workpieces or lap are driven in a combined movement (B24B37/04C, and B24B37/04G take precedence)
B24B37/04I:	. .  Components, accessories, e.g. for cooling, dressing, measuring
B24B37/04I1:	. . . Workpiece holders
B24B37/04I1B:	. . . . having a resilient contact face
B24B37/04I2:	. . . Lapping plates, tools
B24B37/04I3:	. . . Feeding, loading or unloading workpieces
B24B37/07:	. . IPC2012.01 characterised by the movement of the work or lapping tool
B24B37/08:	. . . IPC2012.01 for double side lapping
B24B37/10:	. . . IPC2012.01 for single side lapping
B24B37/10B:	. . . . the workpieces or work carriers being able to rotate freely due to a frictional contact with the lapping tool
B24B37/10D:	. . . . the workpieces or work carriers being actively moved by a drive, e.g. in a combined rotary and translatory movement
B24B37/10D1:	. . . . . in a rotary movement only, about an axis being stationary during lapping
B24B37/11:	. IPC2012.01 Lapping tools
B24B37/12:	. . IPC2012.01 Lapping plates for working plane surfaces
B24B37/14:	. . . IPC2012.01 characterised by the composition or properties of the plate materials
B24B37/16:	. . . IPC2012.01 characterised by the shape of the lapping plate surface, e.g. grooved
B24B37/20:	. . IPC2012.01 Lapping pads for working plane surfaces
B24B37/20F:	. . . provided with a window for inspecting the surface of the work being lapped
B24B37/22:	. . . IPC2012.01 characterised by a multi-layered structure
B24B37/24:	. . . IPC2012.01 characterised by the composition or properties of the pad materials
B24B37/24F:	. . . . Pads with fixed abrasives
B24B37/26:	. . . IPC2012.01 characterised by the shape of the lapping pad surface, e.g. grooved
B24B37/27:	. IPC2012.01 Work carriers
B24B37/28:	. . IPC2012.01 for double side lapping of plane surfaces
B24B37/30:	. . IPC2012.01 for single side lapping of plane surfaces
B24B37/30R:	. . .  having a resilient contact surface[N1106]
B24B37/32:	. . . IPC2012.01 Retaining rings
B24B37/34:	. IPC2012.01 Accessories
B24B37/34F:	. . Feeding, loading or unloading work specially adapted to lapping
B24B39/00:	Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone ; Accessories therefor
B24B39/00B:	. the working tool being composed of a plurality of working rolls or balls see also B24B39/02B, B24B39/04B
B24B39/00C:	. Peening and tools therefor
B24B39/02:	. designed for working internal surfaces of revolution
B24B39/02B:	. . the working tool being composed of a plurality of working rolls or balls see also B24B39/00B, B24B39/04B
B24B39/02C:	. . Impact burnishing
B24B39/04:	. designed for working external surfaces of revolution
B24B39/04B:	. . the working tool being composed of a plurality of working rolls or balls see also B24B39/00B, B24B39/04B
B24B39/06:	. designed for working plane surfaces
B24B39/06B:	. . [N: Graining of metal plates, e.g. printing or lithographic plates]
B24B41/00:	Component parts such as frames, beds, carriages, headstocks
B24B41/00B:	. Grinding heads
B24B41/00C:	. Feeding or manipulating devices specially adapted to grinding machines feeding, loading or unloading work specially adapted to lapping machines B24B37/34F [M1106]
B24B41/00D:	. Weight compensation; Temperature compensation; Vibration damping
B24B41/02:	. Frames; Beds; Carriages
B24B41/04:	. Headstocks; Working-spindles; Features relating thereto
B24B41/047:	. . Grinding heads for working on plane surfaces
B24B41/047B:	. . . equipped with oscillating abrasive blocks, e.g. mounted on a rotating head
B24B41/04B:	. . Balancing mechanisms
B24B41/04C:	. . Grinding spindles with magnetic or electromagnetic bearings; Features related thereto electric motors with magnetic bearings H02K7/09
B24B41/053:	. . . for grinding or polishing glass B24B41/047B takes precedence
B24B41/06:	. Work supports, e.g. adjustable steadies
B24B41/06B:	. . axially supporting turning workpieces, e.g. magnetically, pneumatically
B24B41/06B1:	. . . between centres; Dogs
B24B41/06B1B:	. . . . [N: Lubrication of centres]
B24B41/06C:	. . Steady rests
B24B41/06D:	. . adapted for supporting work in the form of tools, e.g. drills [M1203]
B24B41/06F:	. . radially supporting workpieces
B24B41/06G:	. . Table-like supports for panels, sheets or the like
B24B45/00:	Means for securing grinding wheels on rotary arbors
B24B45/00B:	. Accessories therefor
B24B45/00C:	. Quick mount and release means for disc-like wheels, e.g. on power tools
B24B47/00:	Drives or gearings; Equipment therefor
B24B47/02:	. for performing a reciprocating movement of carriages or work- tables
B24B47/04:	. . by mechanical gearing only
B24B47/06:	. . by liquid or gas pressure only
B24B47/08:	. . by mechanical gearing combined with fluid systems
B24B47/10:	. for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
B24B47/12:	. . by mechanical gearing or electric power
B24B47/14:	. . by liquid or gas pressure
B24B47/16:	. . performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
B24B47/18:	. . for rotating the spindle at a speed adaptable to wear of the grinding wheel
B24B47/20:	. relating to feed movement
B24B47/20B:	. . driven by hand
B24B47/20C:	. . for centreless grinding machines; for machines comprising work supports, e.g. steady rests
B24B47/22:	. Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
B24B47/22B:	. . for bevelling optical work, e.g. lenses
B24B47/25:	. for compensating grinding wheel abrasion resulting from dressing
B24B47/26:	. Accessories, e.g. stops
B24B47/28:	. Equipment for preventing backlash
B24B49/00:	Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
B24B49/00B:	. [N: involving acoustic means]
B24B49/00D:	. [N: taking regard of the speed]
B24B49/02:	. according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
B24B49/03:	. . according to the final size of the previously ground workpiece
B24B49/04:	. . involving measurement of the workpiece at the place of grinding during grinding operation
B24B49/04B:	. . . Specially adapted gauging instruments
B24B49/05:	. . . including the measurement of a first workpiece already machined and of another workpiece being machined and to be matched with the first one
B24B49/06:	. . requiring comparison of the workpiece with standard gauging plugs, rings or the like
B24B49/08:	. involving liquid or pneumatic means
B24B49/10:	. involving electrical means
B24B49/10B:	. . [N: using eddy currents]
B24B49/12:	. involving optical means
B24B49/14:	. taking regard of the temperature during grinding
B24B49/16:	. taking regard of the load
B24B49/16D:	. . for grinding tyres
B24B49/18:	. taking regard of the prescence of dressing tools
B24B49/18B:	. . Wear compensation without the presence of dressing tools
B24B49/18C:	. . taking regard of the wear of the dressing tools
B24B51/00:	Arrangements for automatic control of a series of individual steps in grinding a workpiece
B24B53/00:	Devices or means for dressing or conditioning abrasive surfaces
B24B53/007:	. Cleaning of grinding wheels
B24B53/00B:	. involving the use of electric current
B24B53/00C:	. using at least two conditioning tools
B24B53/00D:	. Positioning devices for conditioning tools
B24B53/013:	. Application of loose grinding agent as auxiliary tool during truing operation
B24B53/017:	. IPC2012.01 Devices or means for dressing, cleaning or otherwise conditioning lapping tools
B24B53/02:	. IPC2012.01 of plane surfaces on abrasive tools
B24B53/04:	. IPC2012.01 of cylindrical or conical surfaces on abrasive tools or wheels
B24B53/047:	. . equipped with one or more diamonds
B24B53/053:	. . using a rotary dressing tool
B24B53/06:	. of profiled abrasive wheels
B24B53/065:	. . having other than straight profiles, e.g. crowned
B24B53/06C:	. . using rotary dressing tools B24B53/07 takes precedence
B24B53/07:	. . by means of forming tools having a shape complementary to that to be produced, e.g. blocks, profile rolls
B24B53/075:	. . for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms
B24B53/08:	. . controlled by information means, e.g. patterns, templets, punched tapes or the like
B24B53/085:	. . . for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms [N: ]
B24B53/08B:	. . . by means of a template
B24B53/08B1:	. . . . for tools having a screw-thread profile
B24B53/08C:	. . . for tools having a screw-thread profile B24B53/08B takes precedence
B24B53/09:	. . . having transfer elements formed as pantograph mechanism
B24B53/095:	. Cooling or lubricating during dressing operation
B24B53/10:	. of travelling flexible backings coated with abrasives; Cleaning of abrasive belts
B24B53/12:	. Dressing tools; Holders therefor
B24B53/14:	. . Dressing tools equipped with rotary rollers or cutters; Holders therefor
B24B55/00:	Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
B24B55/02:	. Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant [M1208]
B24B55/03:	. . designed as a complete equipment for feeding or clarifying coolant
B24B55/04:	. Protective covers for the grinding wheel
B24B55/04C:	. . with cooling means incorporated
B24B55/05:	. . specially designed for portable grinding machines
B24B55/05B:	. . . [N: with rotating tools]
B24B55/05D:	. . . [N: with oscillating tools]
B24B55/05F:	. . . [N: with belt-like tools]
B24B55/06:	. Dust extraction equipment on grinding or polishing machines
B24B55/08:	. . specially designed for belt grinding machines
B24B55/10:	. . specially designed for portable grinding machines, e.g. hand-guided
B24B55/10B:	. . . with rotating tools [M1203]
B24B55/10C:	. . . with oscillating tools [M1203]
B24B55/10D:	. . . with belt-like tools [M1203]
B24B55/12:	. Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
B24B57/00:	Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
B24B57/02:	. for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
B24B57/04:	. for feeding of solid grinding, polishing or lapping agents