IPC Classification

Class code (prefix) Descriptions Number of results
B23D 1/00 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only
B23D 1/02 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the work-support
B23D 1/04 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the work-support with the tool supported only on one side of the bed
B23D 1/06 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the work-support with the tool supported on both sides of the bed
B23D 1/08 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the tool
B23D 1/10 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the tool with means for adjusting the tool-guide vertically
B23D 1/12 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the tool with means for adjusting the tool-guide vertically with the tool supported only on one side of the bed
B23D 1/14 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the tool with means for adjusting the tool-guide vertically with the tool supported on both sides of the bed
B23D 1/16 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only by movement of the tool without means for adjusting the tool-guide vertically
B23D 1/18 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only cutting on both the forward and the return stroke
B23D 1/20 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines
B23D 1/22 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines for planing ingots or the like
B23D 1/24 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines for planing inner surfaces, e.g. of moulds
B23D 1/26 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines for planing edges or ridges or cutting grooves
B23D 1/28 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines in which the tool or workpiece is fed otherwise than in a straight line, e.g. for planing profiled stock
B23D 1/30 Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines in which the tool or workpiece is fed otherwise than in a straight line, e.g. for planing profiled stock in which the direction of feed is controlled by a copying device, e.g. by a pattern
B23D 3/00 Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line
B23D 3/02 Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line for cutting grooves
B23D 3/04 Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line in which the tool or workpiece is fed otherwise than in a straight line
B23D 3/06 Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line in which the tool or workpiece is fed otherwise than in a straight line in which the direction of feed is controlled by a copying device, e.g. by a pattern
B23D 5/00 Planing or slotting machines cutting otherwise than by relative movement of the tool and workpiece in a straight line
B23D 5/02 Planing or slotting machines cutting otherwise than by relative movement of the tool and workpiece in a straight line involving rotary and straight-line movements only, e.g. for cutting helical grooves
B23D 5/04 Planing or slotting machines cutting otherwise than by relative movement of the tool and workpiece in a straight line controlled by a copying device, e.g. by a pattern
B23D 7/00 Planing or slotting machines characterised only by constructional features of particular parts
B23D 7/02 Planing or slotting machines characterised only by constructional features of particular parts of work-table beds
B23D 7/04 Planing or slotting machines characterised only by constructional features of particular parts of pillars; of cross-beams
B23D 7/06 Planing or slotting machines characterised only by constructional features of particular parts of tool-carrying arrangements
B23D 7/08 Planing or slotting machines characterised only by constructional features of particular parts of work-tables
B23D 7/10 Planing or slotting machines characterised only by constructional features of particular parts of drives for reciprocating parts
B23D 7/12 Planing or slotting machines characterised only by constructional features of particular parts of arrangements for impact damping or regenerating energy
B23D 9/00 Hand-operated planing devices; Portable planing apparatus
B23D 11/00 Planing or slotting devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool
B23D 13/00 Tools or tool holders specially designed for planing or slotting machines
B23D 13/02 Pivotally-mounted holders
B23D 13/04 Holders for tool sets
B23D 13/06 Devices for lifting or lowering the tool
B23D 15/00 Shearing machines or shearing devices cutting by blades which move parallel to each other
B23D 15/02 Shearing machines or shearing devices cutting by blades which move parallel to each other having both upper and lower moving blades
B23D 15/04 Shearing machines or shearing devices cutting by blades which move parallel to each other having only one moving blade
B23D 15/06 Sheet shears
B23D 15/08 Sheet shears with a blade moved in one plane, e.g. perpendicular to the surface of the sheet
B23D 15/10 Sheet shears with a blade moved in a curved surface, e.g. for producing an edge with a curved cross-section
B23D 15/12 Shearing machines or shearing devices cutting by blades which move parallel to each other characterised by drives or gearings therefor
B23D 15/14 Shearing machines or shearing devices cutting by blades which move parallel to each other characterised by drives or gearings therefor actuated by fluid or gas pressure
B23D 17/00 Shearing machines or shearing devices cutting by blades pivoted on a single axis
B23D 17/02 Shearing machines or shearing devices cutting by blades pivoted on a single axis characterised by drives or gearings therefor
B23D 17/04 Shearing machines or shearing devices cutting by blades pivoted on a single axis characterised by drives or gearings therefor actuated by a rotary shaft
B23D 17/06 Shearing machines or shearing devices cutting by blades pivoted on a single axis characterised by drives or gearings therefor actuated by fluid or gas pressure
B23D 17/08 Shearing machines or shearing devices cutting by blades pivoted on a single axis characterised by drives or gearings therefor actuated by hand or foot operated lever mechanism
B23D 19/00 Shearing machines or shearing devices cutting by rotary discs
B23D 19/02 Shearing machines or shearing devices cutting by rotary discs having both a fixed shearing blade and a rotary shearing disc
B23D 19/04 Shearing machines or shearing devices cutting by rotary discs having rotary shearing discs arranged in co-operating pairs
B23D 19/06 Shearing machines or shearing devices cutting by rotary discs having rotary shearing discs arranged in co-operating pairs with several spaced pairs of shearing discs working simultaneously, e.g. for trimming or making strips
B23D 19/08 Shearing machines or shearing devices cutting by rotary discs for special use, e.g. for cutting curves, for chamfering edges
B23D 21/00 Machines or devices for shearing or cutting tubes
B23D 21/02 Machines or devices for shearing or cutting tubes otherwise than in a plane perpendicular to the axis of the tube, e.g. for making mitred cuts, for making bicycle frames
B23D 21/04 Tube-severing machines with rotating tool-carrier
B23D 21/06 Hand-operated tube cutters
B23D 21/08 Hand-operated tube cutters with cutting wheels
B23D 21/10 Hand-operated tube cutters with other cutting blades or tools
B23D 21/12 Hand-operated tube cutters with other cutting blades or tools with provision for hammering on the tool
B23D 21/14 Machines or devices for shearing or cutting tubes cutting inside the tube
B23D 23/00 Machines or devices for shearing or cutting profiled stock
B23D 23/02 Machines or devices for shearing or cutting profiled stock otherwise than in a plane perpendicular to the axis of the stock
B23D 23/04 Machines or devices for shearing or cutting profiled stock by means of holding-dies, arranged side by side, subjecting the stock to torsional stress
B23D 25/00 Machines or arrangements for shearing stock while the latter is travelling otherwise than in the direction of the cut
B23D 25/02 Flying shearing machines
B23D 25/04 Flying shearing machines in which a cutting unit moves bodily with the work while cutting
B23D 25/06 Flying shearing machines having a cutting device mounted on an oscillating lever
B23D 25/08 Flying shearing machines having two coacting shearing blades mounted independently
B23D 25/10 Flying shearing machines having two coacting shearing blades mounted independently on co-operating beams moving parallel to each other and attached to lever mechanisms
B23D 25/12 Shearing machines with blades on coacting rotating drums
B23D 25/14 Machines or arrangements for shearing stock while the latter is travelling otherwise than in the direction of the cut without regard to the exact dimensions of the resulting material, e.g. for cutting-up scrap
B23D 27/00 Machines or devices for cutting by a nibbling action
B23D 27/02 Hand-held devices
B23D 27/04 Hand-held devices actuated by electric power
B23D 27/06 Hand-held devices actuated by fluid or gas pressure
B23D 29/00 Hand-held metal-shearing or metal-cutting devices
B23D 29/02 Hand-operated metal-shearing devices
B23D 31/00 Shearing machines or shearing devices covered by none or more than one of the groups ; Combinations of shearing machines
B23D 31/02 Shearing machines or shearing devices covered by none or more than one of the groups ; Combinations of shearing machines for performing different cutting operations on travelling stock, e.g. slitting and severing simultaneously
B23D 31/04 Shearing machines or shearing devices covered by none or more than one of the groups ; Combinations of shearing machines for trimming stock combined with devices for shredding scrap
B23D 33/00 Accessories for shearing machines or shearing devices
B23D 33/02 Arrangements for holding, guiding, or feeding work during the operation
B23D 33/04 Arrangements for holding, guiding, or feeding work during the operation for making circular cuts
B23D 33/06 Arrangements for holding, guiding, or feeding work during the operation in which the direction of feed is controlled by a copying device, e.g. by a pattern
B23D 33/08 Press-pads; Counter-bases; Hold-down devices
B23D 33/10 Stops for positioning work
B23D 33/12 Equipment for indicating where to cut
B23D 35/00 Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
B23D 36/00 Control arrangements specially adapted for machines for shearing or similar cutting, or for sawing, stock while the latter is travelling otherwise than in the direction of the cut
B23D 37/00 Broaching machines or broaching devices
B23D 37/02 Broaching machines with horizontally-arranged working tools
B23D 37/04 Broaching machines with horizontally-arranged working tools for broaching inner surfaces
B23D 37/06 Broaching machines with horizontally-arranged working tools for broaching outer surfaces
B23D 37/08 Broaching machines with vertically-arranged working tools
B23D 37/10 Broaching machines with vertically-arranged working tools for broaching inner surfaces
B23D 37/12 Broaching machines with vertically-arranged working tools for broaching outer surfaces
B23D 37/14 Broaching machines with rotatably-arranged working tools
B23D 37/16 Broaching machines with rotatably-arranged working tools for broaching helical grooves
B23D 37/18 Broaching machines with working tools mounted on an endless chain or belt
B23D 37/20 Broaching machines with arrangements for working in opposite directions
B23D 37/22 Broaching machines or broaching devices for special purposes
B23D 39/00 Accessories for broaching machines or broaching devices
B23D 41/00 Broaching machines or broaching devices characterised only by constructional features of particular parts
B23D 41/02 Broaching machines or broaching devices characterised only by constructional features of particular parts of work supports
B23D 41/04 Broaching machines or broaching devices characterised only by constructional features of particular parts of tool-carrying arrangements
B23D 41/06 Broaching machines or broaching devices characterised only by constructional features of particular parts of devices for feeding, clamping, or ejecting workpieces
B23D 41/08 Broaching machines or broaching devices characterised only by constructional features of particular parts of control devices
B23D 43/00 Broaching tools
B23D 43/02 Broaching tools for cutting by rectilinear movement
B23D 43/04 Broaching tools for cutting by rectilinear movement having inserted cutting edges
B23D 43/06 Broaching tools for cutting by rotational movement
B23D 43/08 Broaching tools mounted on an endless chain or belt
B23D 45/00 Sawing machines or sawing devices with circular saw blades or with friction saw discs
B23D 45/02 Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock mounted on a carriage
B23D 45/04 Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade or the stock carried by a pivoted lever
B23D 45/06 Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade arranged underneath a stationary work-table
B23D 45/08 Sawing machines or sawing devices with circular saw blades or with friction saw discs with a ring blade having inside saw teeth
B23D 45/10 Sawing machines or sawing devices with circular saw blades or with friction saw discs with a plurality of circular saw blades
B23D 45/12 Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade for cutting tubes
B23D 45/14 Sawing machines or sawing devices with circular saw blades or with friction saw discs for cutting otherwise than in a plane perpendicular to the axis of the stock, e.g. for making a mitred cut
B23D 45/16 Hand-held sawing devices with circular saw blades
B23D 45/18 Machines with circular saw blades for sawing stock while the latter is travelling otherwise than in the direction of the cut
B23D 45/20 Flying sawing machines, the saw carrier of which is reciprocated in a guide and moves with the travelling stock during sawing
B23D 45/22 Flying sawing machines with lever-supported saw carrier which moves in a complete circular path
B23D 45/24 Flying sawing machines with lever-supported saw carrier which oscillates in an arc
B23D 45/26 Sawing machines or sawing devices with circular saw blades or with friction saw discs with high-speed cutting discs, performing the cut by frictional heat melting the material
B23D 47/00 Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
B23D 47/02 Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of guiding arrangements for work-table or saw-carrier
B23D 47/04 Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work
B23D 47/06 Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work for stock of indefinite length
B23D 47/08 Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for bringing the circular saw blade to the workpiece or removing same therefrom
B23D 47/10 Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for bringing the circular saw blade to the workpiece or removing same therefrom actuated by fluid or gas pressure
B23D 47/12 Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of drives for circular saw blades
B23D 49/00 Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
B23D 49/02 Hacksaw machines with straight saw blades secured to a rectilinearly-guided frame, e.g. with the frame fed stepwise in the plane of the guide
B23D 49/04 Hacksaw machines with straight saw blades secured to a pivotally-arranged frame
B23D 49/06 Hacksaw machines with straight saw blades for special use
B23D 49/08 Pad-saw machines, i.e. machines in which the blade is attached to a carrier at one end only
B23D 49/10 Hand-held or hand-operated sawing devices with straight saw blades
B23D 49/11 Hand-held or hand-operated sawing devices with straight saw blades for special purposes, e.g. offset-blade hand saws
B23D 49/12 Hacksaws
B23D 49/14 Pad saws
B23D 49/16 Hand-held or hand-operated sawing devices with straight saw blades actuated by electric or magnetic power or prime movers
B23D 51/00 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends
B23D 51/01 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends characterised by the handle
B23D 51/02 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of frames
B23D 51/03 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of frames with extensible or collapsible frames
B23D 51/04 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for feeding, positioning, clamping, or rotating work
B23D 51/06 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for feeding, positioning, clamping, or rotating work for stock of indefinite length
B23D 51/08 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools
B23D 51/10 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for hand-held or hand-operated devices
B23D 51/12 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of devices for mounting straight saw blades or other tools for use with tools, dealt with in this subclass, which are connected to a carrier at both ends, e.g. bows adjustable in length or height
B23D 51/14 Attachment of the tool
B23D 51/16 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of drives or feed mechanisms for straight tools, e.g. saw blades, or bows
B23D 51/18 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of drives or feed mechanisms for straight tools, e.g. saw blades, or bows actuated by fluid or gas pressure
B23D 51/20 Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts; Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends of drives or feed mechanisms for straight tools, e.g. saw blades, or bows with controlled feed of the tool, or with special arrangements for relieving or lifting the tool on the return stroke
B23D 53/00 Machines or devices for sawing with strap saw blades which are effectively endless in use, e.g. for contour cutting
B23D 53/02 Machines or devices for sawing with strap saw blades which are effectively endless in use, e.g. for contour cutting with stationarily-mounted wheels carrying the strap
B23D 53/04 Machines or devices for sawing with strap saw blades which are effectively endless in use, e.g. for contour cutting with the wheels carrying the strap mounted shiftably or swingingly, other than merely for adjustment
B23D 53/06 Machines or devices for sawing with strap saw blades which are effectively endless in use, e.g. for contour cutting with shiftable or swinging work-table
B23D 53/08 Machines or devices for sawing with strap saw blades which are effectively endless in use, e.g. for contour cutting for cutting profiled stock
B23D 53/10 Sawing devices working with strap saw blades able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool
B23D 53/12 Hand-held or hand-operated sawing devices working with strap saw blades
B23D 55/00 Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts
B23D 55/02 Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of tables
B23D 55/04 Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of devices for feeding or clamping work
B23D 55/06 Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of wheel mountings
B23D 55/08 Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of devices for guiding or feeding strap saw blades
B23D 55/10 Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of devices for tensioning strap saw blades
B23D 57/00 Sawing machines or sawing devices not covered by one of groups
B23D 57/02 Sawing machines or sawing devices not covered by one of groups with chain saws
B23D 59/00 Accessories specially designed for sawing machines or sawing devices
B23D 59/02 Devices for lubricating or cooling circular saw blades
B23D 59/04 Devices for lubricating or cooling straight or strap saw blades
B23D 61/00 Tools for sawing machines or sawing devices; Clamping devices for these tools
B23D 61/02 Circular saw blades
B23D 61/04 Circular saw blades with inserted saw teeth
B23D 61/06 Circular saw blades with inserted saw teeth in exchangeable arrangement
B23D 61/08 Ring saw blades with internal saw teeth
B23D 61/10 Circular saw blades clamped between hubs; Clamping or aligning devices therefor
B23D 61/12 Straight saw blades; Strap saw blades
B23D 61/14 Straight saw blades; Strap saw blades with inserted saw teeth
B23D 61/16 Straight saw blades; Strap saw blades with inserted saw teeth in exchangeable arrangement
B23D 61/18 Sawing tools of special type, e.g. wire saw strands, saw blades or saw wire equipped with diamonds or other abrasive particles in selected individual positions
B23D 63/00 Dressing the tools of sawing machines or sawing devices for use in cutting any kind of material, e.g. in the manufacture of sawing tools
B23D 63/02 Setting saw teeth by means of hand-operated devices
B23D 63/04 Setting saw teeth of circular, straight, or strap saw blades by means of power-operated devices
B23D 63/06 Upsetting the cutting edges of saw teeth, e.g. swaging
B23D 63/08 Sharpening the cutting edges of saw teeth
B23D 63/10 Sharpening the cutting edges of saw teeth by filing
B23D 63/12 Sharpening the cutting edges of saw teeth by grinding
B23D 63/14 Sharpening circular saw blades
B23D 63/16 Sharpening the cutting edges of saw teeth of chain saws
B23D 63/18 Straightening damaged saw blades; Reconditioning the side surface of saw blades, e.g. by grinding
B23D 63/20 Combined processes for dressing saw teeth, e.g. both hardening and setting
B23D 65/00 Making tools for sawing machines or sawing devices for use in cutting any kind of material
B23D 65/02 Making saw teeth by punching, cutting, or planing
B23D 65/04 Making saw teeth by milling
B23D 67/00 Filing or rasping machines or devices
B23D 67/02 Filing or rasping machines or devices with reciprocating tools, mounted on a yoke or the like
B23D 67/04 Filing or rasping machines or devices with reciprocating tools, attached to a carrier at one end only
B23D 67/06 Filing or rasping machines or devices with rotating tools
B23D 67/08 Filing or rasping machines or devices with tools mounted on an endless chain or belt
B23D 67/10 Filing or rasping machines or devices for special use, e.g. for filing keys; Accessories therefor
B23D 67/12 Hand-held or hand-operated filing or rasping devices
B23D 69/00 Filing or rasping machines or devices, characterised only by constructional features of particular parts, e.g. guiding arrangements, drives; Accessories for filing or rasping
B23D 69/02 Guiding arrangements for hand tools
B23D 71/00 Filing or rasping tools; Securing arrangements therefor
B23D 71/02 Filing or rasping tools; Securing arrangements therefor for filing or rasping machines or devices
B23D 71/04 Hand files or hand rasps
B23D 71/06 Hand files or hand rasps using a single interchangeable blade
B23D 71/08 Hand files or hand rasps using a plurality of interchangeable cutting elements
B23D 71/10 Accessories for filing or rasping tools, e.g. for preventing scoring of workpieces by the edges of the tool
B23D 73/00 Making files or rasps
B23D 73/02 Preliminary treatment of blanks, e.g. grinding, polishing, specially adapted for the manufacture of files or rasps
B23D 73/04 Methods or machines for the manufacture of files or rasps
B23D 73/06 Cutting the working surfaces by means of chisels
B23D 73/08 Milling, planing, slotting, knurling, or broaching the working surfaces
B23D 73/10 Grinding the working surfaces
B23D 73/12 Peculiar procedures for sharpening or otherwise treating the working surfaces
B23D 73/14 Tools or accessories specially adapted for making files or rasps, e.g. chisels, supporting-frames
B23D 75/00 Reaming machines or reaming devices
B23D 77/00 Reaming tools
B23D 77/02 Reamers with inserted cutting edges
B23D 77/04 Reamers with inserted cutting edges with cutting edges adjustable to different diameters along the whole cutting length
B23D 77/06 Reamers with means for compensating wear
B23D 77/08 Reamers with means for compensating wear by spreading slotted parts of the tool body
B23D 77/10 Reamers with means for compensating wear by expanding a tube-like non-slotted part of the tool body
B23D 77/12 Reamers with cutting edges arranged in tapered form
B23D 77/14 Reamers for special use, e.g. for working cylinder ridges
B23D 79/00 Methods, machines or devices not covered elsewhere, for working metal by removal of material
B23D 79/02 Machines or devices for scraping
B23D 79/04 Machines or devices for scraping with rotating cutting-tool, e.g. for smoothing linings of bearings
B23D 79/06 Machines or devices for scraping with reciprocating cutting-tool
B23D 79/08 Hand scraping-implements
B23D 79/10 Accessories for holding scraping tools or work to be scraped
B23D 79/12 Machines or devices for peeling bars or tubes by making use of cutting bits arranged around the workpiece, otherwise than by turning
B23D 81/00 Methods, machines, or devices for working metal, covered by more than one main group in this subclass