WebCPC CPC COOPERATIVE PATENT CLASSIFICATION

B23G　THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH (making helical grooves by turning B23B 5/48, by milling B23C 3/32, by forging, pressing, or hammering B21K 1/56, by grinding B24B 19/02; arrangements for copying or controlling B23Q; thread-forming by corrugating tubes B21D 15/04, by rolling B21H 3/02)

B23G 1/00 Thread cutting; Automatic machines specially designed therefor

B23G 1/02 ・on an external or internal cylindrical or conical surface, e.g. on recesses (B23G 1/16, B23G 1/22, B23G 1/32, B23G 1/36 take precedence)

B23G 1/04 ・・Machines with one working-spindle

B23G 1/06 ・・・specially adapted for making conical screws, e.g. wood-screws

B23G 1/08 ・・Machines with a plurality of working spindles

B23G 1/10 ・・・specially adapted for making conical screws, e.g. wood-screws

B23G 1/12 ・・Machines with a toothed cutter in the shape of a spur-gear of the like which is rotated to generate the thread profile as the work rotates

B23G 1/14 ・・・specially adapted for making conical screws, e.g. wood-screws

B23G 1/16 ・in holes of workpieces by taps (B23G 1/26, B23G 1/32, B23G 1/36 take precedence)

B23G 1/18 ・・Machines with one working spindle

B23G 1/185 ・・・{specially adapted for making nuts}

B23G 1/20 ・・Machines with a plurality of working spindles

B23G 1/205 ・・・{specially adapted for making nuts}

B23G 1/22 ・Machines specially designed for operating on pipes or tubes

B23G 1/225 ・・{automatically controlled}

B23G 1/24 ・・portable

B23G 1/26 ・Manually-operated thread-cutting devices (features of the threading tool per se B23G 5/00)

B23G 1/261 ・・{Die and tap wrenches (lubricating and cooling devices therefor B23G 5/005; B23G 1/265 takes precedence)}

B23G 1/262 ・・・{Tap wrenches having a V slot (B23G 1/264 takes precedence)}

B23G 1/263 ・・・{Die wrenches having a cylindrical opening and a clamping screw}

B23G 1/264 ・・・・{comprising tap wrench features with a V slot}

B23G 1/265 ・・{Die and tap wrenches with a guiding part (lubricating and cooling devices therefor B23G 5/005)}

B23G 1/266 ・・・{Tap wrenches having a V slot (B23G 1/268 takes precedence)}

B23G 1/267 ・・・{Die wrenches having a cylindrical opening and a clamping screw}

B23G 1/268 ・・・・{comprising tap wrench features with a V slot}

B23G 1/28 ・・with means for adjusting the threading tool

B23G 1/30 ・・without means for adjusting the threading tool, e.g. with die-stock (tap wrenches B25B)

B23G 1/32 ・by milling

B23G 1/34 ・・with a cutting bit moving in a closed path arranged eccentrically with respect to the axis of the rotating workpieces

B23G 1/36 ・by grinding

B23G 1/38 ・・with grinding discs guided along the workpiece in accordance with the pitch of the required thread

B23G 1/40 ・・with grinding discs guided radially to the workpiece

B23G 1/42 ・Centreless grinding

B23G 1/44 ・Equipment or accessories specially designed for machines or devices for thread cutting

B23G 1/46 ・・for holding the threading tools {B23B 31/083 takes precedence}

B23G 1/465 ・・・{comprising arrangements for reversing the rotation of the tool}

B23G 1/48 ・・for guiding the threading tools

B23G 1/50 ・・for cutting thread by successive operations

B23G 1/52 ・・for operating on pipes or tubes

B23G 3/00 Arrangements or accessories for enabling machine tools not specially designed only for thread cutting to be used for this purpose, e.g. arrangements for reversing the working spindle

B23G 3/005 ・{for enabling presses to be used for thread cutting}

B23G 3/02 ・for withdrawing or resetting the threading tool

B23G 3/04 ・for repeatedly setting the treading tool in a predetermined working position

B23G 3/06 ・for compensating inaccuracies in the pitch of the lead-screw

B23G 3/08 ・for advancing or controlling the threading tool or the work by templates, cams, or the like

B23G 3/10 ・・for cutting thread of variable pitch

B23G 3/12 ・・for using several adjacently-arranged threading tools, e.g. using several chasers

B23G 3/14 ・・for cutting thread of conical shape

B23G 5/00 Thread-cutting tools; Die-heads

B23G 5/005 ・{with lubrication or cooling devices}

B23G 5/02 ・without means for adjustment

B23G 5/04 ・・Dies

B23G 5/043 ・・・{with guiding means}

B23G 5/046 ・・・{for conical thread}

B23G 5/06 ・・Taps (chucks therefor B23B 31/00)

B23G 5/062 ・・・{with a guiding means part}

B23G 5/064 ・・・{with weakened shank portion}

B23G 5/066 ・・・{with stops}

B23G 5/068 ・・・{with means for removing the broken tap}

B23G 5/08 ・with means for adjustment

B23G 5/083 ・・{Adjustable dies}

B23G 5/086 ・・・{with guiding means}

B23G 5/10 ・・Die-heads

B23G 5/103 ・・・{with guiding means}

B23G 5/106 ・・・{Collet-type die-heads}

B23G 5/12 ・・・self-releasing

B23G 5/14 ・・Tapping-heads

B23G 5/16 ・・・self-releasing

B23G 5/18 ・Milling cutters

B23G 5/182 ・・{combined with other tools}

B23G 5/184 ・・・{combined with drills (B23G 5/188 takes precedence)}

B23G 5/186 ・・・{combined with chamfering tools}

B23G 5/188 ・・・・{and with drills}

B23G 5/20 ・combined with other tools, e.g. drills {(B23G 5/182 takes precedence; screws which drill and tap F16B 25/00)}

B23G 7/00 Forming thread by means of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material (features of machines or devices not specially adapted to the particular mode of forming the thread B23G 1/00)

B23G 7/02 ・Tools for this purpose

B23G 9/00 Working screws, bolt heads, or nuts in conjunction with thread cutting, e.g. slotting screw heads or shanks, removing burrs from screw heads or shanks; Finishing, e.g. polishing, any screw-thread

B23G 9/001 ・{Working screws}

B23G 9/002 ・・{Slotting screw heads or shanks}

B23G 9/003 ・・{Deburring screws}

B23G 9/004 ・・{Finishing screws (B23G 9/003 takes precedence)}

B23G 9/005 ・{Working nuts}

B23G 9/006 ・・{Slotting nuts}

B23G 9/007 ・・{Deburring nuts}

B23G 9/008 ・・{Finishing nuts (B23G 9/007 takes precedence)}

B23G 9/009 ・{Thread cleaning or repairing}

B23G 11/00 Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines (for machines tools in general B23Q)

B23G 2200/00 Details of threading tools

B23G 2200/02 ・Tools in which the shank and the cutting part are made from different materials or from separate components

B23G 2200/04 ・Tools with negative cutting angles

B23G 2200/06 ・Connections between parts of threading tools

B23G 2200/062 ・・Brazed connections

B23G 2200/065 ・・Glued connections

B23G 2200/067 ・・Welded connections

B23G 2200/08 ・Threading tools with adjustable elements (manually operated thread cutting devices with means for adjusting the threading tool B23G 1/28)

B23G 2200/10 ・Threading tools comprising cutting inserts

B23G 2200/12 ・Threading tools comprising inserts for thread forming

B23G 2200/14 ・Multifunctional threading tools

B23G 2200/141 ・・Tools comprising means for deburring

B23G 2200/142 ・・Tools comprising means for forming threads by deformation

B23G 2200/143 ・・Tools comprising means for drilling

B23G 2200/144 ・・Tools comprising a die

B23G 2200/145 ・・Tools comprising means for milling features other than the thread

B23G 2200/146 ・・Tools comprising a tap

B23G 2200/147 ・・Tools comprising means for reaming

B23G 2200/148 ・・Tools having means for countersinking

B23G 2200/16 ・Tools with cutting edges spaced unequally around the circumference

B23G 2200/18 ・Tools rotatable in both directions

B23G 2200/20 ・Tools having a brush

B23G 2200/22 ・Tools having an end cap, e.g. for the distribution of cutting fluid

B23G 2200/24 ・Chip breakers

B23G 2200/26 ・Coatings of tools

B23G 2200/28 ・Threading tools having a conical form

B23G 2200/30 ・Cutting edges that are rounded in the cross-sectional view of the cutting edge

B23G 2200/32 ・Tools having a decreasing diameter in the direction of the shank from the tip

B23G 2200/34 ・Tools having an increasing diameter in the direction of the shank from the tip (B23G 2200/28 takes precedence)

B23G 2200/36 ・Tools having provision to produce threads of more than one type or size

B23G 2200/38 ・Tools with shanks having a working end at each end of the shank

B23G 2200/40 ・Tools with variable or different helix angles

B23G 2200/42 ・Hollow tools

B23G 2200/44 ・Taps with more than one threading section, the threading sections being axially spaced from one another

B23G 2200/46 ・Tools having a section of polygonal form, e.g. for the transmission of torque

B23G 2200/48 ・Spiral grooves, i.e. spiral flutes

B23G 2200/50 ・Tools in which the pitch of the teeth is a multiple of the pitch of the thread being produced

B23G 2210/00 Details of threads produced

B23G 2210/04 ・Internal threads

B23G 2210/08 ・External threads

B23G 2210/12 ・Threads having a large diameter

B23G 2210/16 ・Multiple start threads

B23G 2210/21 ・Threads in nuts

B23G 2210/24 ・Threads having a variable pitch

B23G 2210/28 ・Threads having a rounded profile

B23G 2210/36 ・Threads having a square profile

B23G 2210/41 ・Threads having a stepped profile

B23G 2210/44 ・Threads having a trapezoidal profile

B23G 2210/48 ・Threads having a special form or profile not otherwise provided for

B23G 2225/00 Materials of threading tools, workpieces or other structural elements

B23G 2225/04 ・Cubic boron nitride

B23G 2225/08 ・Cermets

B23G 2225/12 ・Chromium

B23G 2225/16 ・Diamond

B23G 2225/165 ・・Polycrystalline diamond

B23G 2225/24 ・Elastomers, e.g. rubber

B23G 2225/28 ・Hard metal, i.e. cemented carbides

B23G 2225/32 ・High speed steel

B23G 2225/36 ・Molybdenum disulphide

B23G 2225/40 ・Plastics not otherwise provided for

B23G 2225/44 ・Titanium

B23G 2225/48 ・Titanium aluminium nitride (TiAlN)

B23G 2225/52 ・Titanium carbide

B23G 2225/56 ・Titanium carbide nitride (TiCN)

B23G 2225/60 ・Titanium nitride

B23G 2240/00 Details of equipment for threading other than threading tools, details of the threading process

B23G 2240/04 ・Compensation of centrifugal force

B23G 2240/08 ・Evacuation of chips or fines

B23G 2240/12 ・Means for cooling or lubrication

B23G 2240/16 ・Equipment for producing threaded component with a rotating disc to hold the components

B23G 2240/20 ・Guiding devices with a pin affixable in a drilling chuck and with free rotation of the threading tool holder with respect to the pin

B23G 2240/24 ・Guides for threading tools having a V-groove for location on cylindrical workpieces

B23G 2240/28 ・Indication scales

B23G 2240/32 ・Threading devices designed to be mounted in the tailstock of a lathe

B23G 2240/36 ・Methods of threading not otherwise provided for

B23G 2240/40 ・Threading equipment having an integrally incorporated driving motor

B23G 2240/44 ・Tap or die wrenches with multiple locations for holding threading tools, e.g. for holding threading tools of different sizes

B23G 2240/48 ・Protective sleeves for taps

B23G 2240/52 ・Sensors

B23G 2240/56 ・Producing or refurbishing threads for spark plugs or glow plugs

B23G 2240/60 ・Thread whirling, i.e. production of a thread by means of an annular tool rotating about an axis not coincident with the axis of the thread being produced