CPC Scheme - B23C MILLING

Version: 2024.01

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			CPC	COOPERATIVE PATENT CLASSIFICATION
			B23C	MILLING (broaching B23D; broach-milling in making gears B23F; arrangement for copying or controlling B23Q) [2018-08] WARNING In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.

B23C 1/00

Milling machines not designed for particular work or special operations [2013-01]

B23C 1/002

{Gantry-type milling machines} [2013-01]

B23C 1/005

{with a tool moving in a closed path around the workpiece} [2013-01]

B23C 1/007

{movable milling machines, e.g. on rails} [2013-01]

B23C 1/02

with one horizontal working-spindle [2013-01]

B23C 1/025

. .

with working-spindle movable in a fixed position [2013-01]

B23C 1/027

. .

with working-spindle movable in a vertical direction [2013-01]

B23C 1/04

with a plurality of horizontal working-spindles [2013-01]

B23C 1/045

. .

{Opposed - spindle machines} [2013-01]

B23C 1/06

with one vertical working-spindle [2013-01]

B23C 1/08

with a plurality of vertical working-spindles [2013-01]

B23C 1/10

with both horizontal and vertical working-spindles [2013-01]

B23C 1/12

with spindle adjustable to different angles, e.g. either horizontal or vertical [2013-01]

B23C 1/14

with rotary work-carrying table (work tables for machine tools in general B23Q 1/00) [2013-01]

B23C 1/16

specially designed for control by copying devices {(not used; see B23Q 35/00)} [2013-01]

B23C 1/18

. .

for milling while revolving the work [2013-01]

B23C 1/20

Portable devices or machines (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F 5/00); Hand-driven devices or machines [2013-01]

B23C 3/00

Milling particular work; Special milling operations; Machines therefor (milling gear-teeth B23F, {heat assisted machining B23P 25/00}) [2013-01]

B23C 3/002

{Milling elongated workpieces} [2013-01]

B23C 3/005

. .

{Rails} [2013-01]

B23C 3/007

{Milling end surfaces of nuts or tubes} [2013-01]

B23C 3/02

Milling surfaces of revolution (B23C 3/06, B23C 3/08 take precedence) [2013-01]

B23C 3/023

. .

{Milling spherical surfaces} [2013-01]

B23C 3/026

. . .

{Milling balls} [2013-01]

B23C 3/04

. .

while revolving the work [2013-01]

B23C 3/05

. .

Finishing valves or valve seats {(machines for grinding seat surfaces, e.g. in valve housings, B24B 15/00)} [2013-01]

B23C 3/051

. . .

{Reconditioning of valve seats} [2013-01]

B23C 3/053

. . . .

{having means for guiding the tool carrying spindle} [2013-01]

B23C 3/055

. . . . .

{for engines} [2013-01]

B23C 3/056

. . . . .

{for taps or valves} [2013-01]

B23C 3/058

. . .

{Reconditioning of valves} [2013-01]

B23C 3/06

Milling crankshafts [2013-01]

B23C 3/08

Milling cams, camshafts, or the like [2013-01]

B23C 3/10

Relieving by milling [2019-01]

B23C 3/12

Trimming or finishing edges, e.g. deburring welded corners [2013-01]

B23C 3/122

. .

{of pipes or cylinders} [2013-01]

B23C 3/124

. . .

{internally} [2013-01]

B23C 3/126

. .

{Portable devices or machines for chamfering edges} [2013-01]

B23C 3/128

. .

{Trimming or finishing edges of doors and windows} [2013-01]

B23C 3/13

Surface milling of plates, sheets or strips [2013-01]

B23C 3/14

Scrubbing or peeling ingots or similar workpieces [2017-08]

B23C 3/16

Working surfaces curved in two directions [2013-01]

B23C 3/18

. .

for shaping screw-propellers, turbine blades, or impellers [2013-01]

B23C 3/20

. .

for shaping dies [2013-01]

B23C 3/22

Forming overlapped joints, e.g. of the ends of piston-rings [2013-01]

B23C 3/24

Making square or polygonal ends on workpieces, e.g. key studs on tools [2017-08]

B23C 3/26

Making square or polygonal holes in workpieces, e.g. key holes in tools [2017-08]

B23C 3/28

Grooving workpieces (tread-cutting by milling B23G 1/32) [2013-01]

B23C 3/30

. .

Milling straight grooves, e.g. keyways [2013-01]

B23C 3/305

. . .

{in which more than one milling tool is used simultaneously, e.g. for sheet material} [2013-01]

B23C 3/32

. .

Milling helical grooves, e.g. in making twist-drills [2013-01]

B23C 3/34

. .

Milling grooves of other forms, e.g. circumferential [2013-01]

B23C 3/35

. .

Milling grooves in keys [2013-01]

B23C 3/355

. . .

{Holders for the template keys} [2013-01]

B23C 3/36

Milling milling-cutters (B23C 3/28 takes precedence) [2013-01]

B23C 5/00

Milling-cutters (for cutting gear-teeth B23F 21/12) [2013-01]

B23C 5/003

{with vibration suppressing means} [2013-01]

B23C 5/006

{Details of the milling cutter body} [2013-01]

B23C 5/02

characterised by the shape of the cutter [2013-01]

B23C 5/04

. .

Plain cutters, i.e. having essentially a cylindrical or tapered cutting surface of substantial length (B23C 5/10 takes precedence) [2013-01]

B23C 5/06

. .

Face-milling cutters, i.e. having only or primarily a substantially flat cutting surface [2013-01]

B23C 5/08

. .

Disc-type cutters [2013-01]

B23C 5/10

. .

Shank-type cutters, i.e. with an integral shaft [2013-01]

B23C 5/1009

. . .

{Ball nose end mills} [2013-01]

B23C 5/1018

. . . .

{with permanently fixed cutting inserts} [2013-01]

B23C 5/1027

. . . .

{with one or more removable cutting inserts} [2013-01]

B23C 5/1036

. . . . .

{having a single cutting insert, the cutting edges of which subtend 180 degrees} [2013-01]

B23C 5/1045

. . . . .

{having a cutting insert, the cutting edge of which subtends substantially 90 degrees} [2013-01]

B23C 5/1054

. . .

{T slot cutters} [2013-01]

B23C 5/1063

. . . .

{with permanently fixed cutting inserts} [2013-01]

B23C 5/1072

. . . .

{with removable cutting inserts} [2013-01]

B23C 5/1081

. . .

{with permanently fixed cutting inserts (B23C 5/1018 and B23C 5/1063 take precedence)} [2022-02]

B23C 5/109

. . .

{with removable cutting inserts} [2013-01]

B23C 5/12

. .

Cutters specially designed for producing particular profiles (B23C 5/10 takes precedence) [2013-01]

B23C 5/14

. . .

essentially comprising curves {(B23C 5/1009 takes precedence)} [2013-01]

B23C 5/16

characterised by physical features other than shape [2013-01]

B23C 5/165

. .

{with chipbreaking or chipdividing equipment (for turning machines B23B 25/02; turning tools B23B 27/00; drilling machines B23B 47/34)} [2013-01]

B23C 5/18

. .

with permanently-fixed cutter-bits or teeth [2013-01]

B23C 5/20

. .

with removable cutter bits or teeth {or cutting inserts} [2013-01]

B23C 5/202

. . .

{Plate-like cutting inserts with special form (special form related to securing of the insert B23C 5/22)} [2022-02]

WARNING

Group B23C 5/202 is impacted by reclassification into group B23C 5/205.
Groups B23C 5/202 and B23C 5/205 should be considered in order to perform a complete search.

B23C 5/205

. . . .

{characterised by chip-breakers of special form} [2022-02]

WARNING

Group B23C 5/205 is incomplete pending reclassification of documents from group B23C 5/202.
Groups B23C 5/202 and B23C 5/205 should be considered in order to perform a complete search.

B23C 5/22

. . .

Securing arrangements for bits or teeth {or cutting inserts} [2022-02]

WARNING

Group B23C 5/22 is impacted by reclassification into groups B23C 5/2298, B23C 5/2301, B23C 5/2304, B23C 5/2306 and B23C 5/2309.
All groups listed in this Warning should be considered in order to perform a complete search.

B23C 5/2204

. . . .

{with cutting inserts clamped against the walls of the recess in the cutter body by a clamping member acting upon the wall of a hole in the insert} [2022-02]

WARNING

Group B23C 5/2204 is impacted by reclassification into group B23C 5/2298.
Groups B23C 5/2204 and B23C 5/2298 should be considered in order to perform a complete search.

B23C 5/2208

. . . . .

{for plate-like cutting inserts (B23C 5/2226, B23C 5/2234 take precedence)} [2022-02]

WARNING

Group B23C 5/2208 is impacted by reclassification into group B23C 5/2301.
Groups B23C 5/2208 and B23C 5/2301 should be considered in order to perform a complete search.

B23C 5/2213

. . . . . .

{having a special shape} [2022-02]

WARNING

Group B23C 5/2213 is impacted by reclassification into group B23C 5/2304.
Groups B23C 5/2213 and B23C 5/2304 should be considered in order to perform a complete search.

B23C 5/2226

. . . . .

{for plate-like cutting inserts fitted on an intermediate carrier, e.g. shank fixed in the cutter body} [2022-02]

WARNING

Group B23C 5/2226 is impacted by reclassification into group B23C 5/2306.
Groups B23C 5/2226 and B23C 5/2306 should be considered in order to perform a complete search.

B23C 5/2234

. . . . .

{for plate-like cutting inserts fitted on a ring or ring segment} [2022-02]

WARNING

Group B23C 5/2234 is impacted by reclassification into group B23C 5/2309.
Groups B23C 5/2234 and B23C 5/2309 should be considered in order to perform a complete search.

B23C 5/2239

. . . .

{with cutting inserts clamped by a clamping member acting almost perpendicular on the cutting face} [2022-02]

WARNING

Group B23C 5/2239 is impacted by reclassification into group B23C 5/2298.
Groups B23C 5/2239 and B23C 5/2298 should be considered in order to perform a complete search.

B23C 5/2243

. . . . .

{for plate-like cutting inserts (B23C 5/2252, B23C 5/226 take precedence)} [2022-02]

WARNING

Group B23C 5/2243 is impacted by reclassification into group B23C 5/2301.
Groups B23C 5/2243 and B23C 5/2301 should be considered in order to perform a complete search.

B23C 5/2247

. . . . . .

{having a special shape} [2022-02]

WARNING

Group B23C 5/2247 is impacted by reclassification into group B23C 5/2304.
Groups B23C 5/2247 and B23C 5/2304 should be considered in order to perform a complete search.

B23C 5/2252

. . . . .

{for plate-like cutting inserts fitted on an intermediate carrier, e.g. shank fixed in the cutter body} [2022-02]

WARNING

Group B23C 5/2252 is impacted by reclassification into group B23C 5/2306.
Groups B23C 5/2252 and B23C 5/2306 should be considered in order to perform a complete search.

B23C 5/226

. . . . .

{for plate-like cutting inserts fitted on a ring or ring segment} [2022-02]

WARNING

Group B23C 5/226 is impacted by reclassification into group B23C 5/2309.
Groups B23C 5/226 and B23C 5/2309 should be considered in order to perform a complete search.

B23C 5/2265

. . . .

{by means of a wedge} [2022-02]

WARNING

Group B23C 5/2265 is impacted by reclassification into group B23C 5/2298.
Groups B23C 5/2265 and B23C 5/2298 should be considered in order to perform a complete search.

B23C 5/2269

. . . . .

{for plate-like cutting inserts (B23C 5/2278, B23C 5/2291 take precedence)} [2022-02]

WARNING

Group B23C 5/2269 is impacted by reclassification into group B23C 5/2301.
Groups B23C 5/2269 and B23C 5/2301 should be considered in order to perform a complete search.

B23C 5/2273

. . . . . .

{having a special shape} [2022-02]

WARNING

Group B23C 5/2273 is impacted by reclassification into group B23C 5/2304.
Groups B23C 5/2273 and B23C 5/2304 should be considered in order to perform a complete search.

B23C 5/2278

. . . . .

{for plate-like cutting inserts fitted on an intermediate carrier, e.g. shank fixed in the cutter body} [2022-02]

WARNING

Group B23C 5/2278 is impacted by reclassification into group B23C 5/2306.
Groups B23C 5/2278 and B23C 5/2306 should be considered in order to perform a complete search.

B23C 5/2291

. . . . .

{for plate-like cutting inserts fitted on a ring or ring segment} [2022-02]

WARNING

Group B23C 5/2291 is impacted by reclassification into group B23C 5/2309.
Groups B23C 5/2291 and B23C 5/2309 should be considered in order to perform a complete search.

B23C 5/2295

. . . .

{the cutting elements being clamped simultaneously} [2022-02]

WARNING

Group B23C 5/2295 is impacted by reclassification into group B23C 5/2298.
Groups B23C 5/2295 and B23C 5/2298 should be considered in order to perform a complete search.

B23C 5/2298

. . . .

{secured by resilient/flexible means} [2022-02]

WARNING

Group B23C 5/2298 is incomplete pending reclassification of documents from groups B23C 5/22, B23C 5/2204, B23C 5/2239, B23C 5/2265 and B23C 5/2295.
All groups listed in this Warning should be considered in order to perform a complete search.

B23C 5/2301

. . . . .

{for plate-like cutting inserts (B23C 5/2306, B23C 5/2309 take precedence)} [2022-02]

WARNING

Group B23C 5/2301 is incomplete pending reclassification of documents from groups B23C 5/22, B23C 5/2208, B23C 5/2243 and B23C 5/2269.
All groups listed in this Warning should be considered in order to perform a complete search.

B23C 5/2304

. . . . . .

{having a special shape} [2022-02]

WARNING

Group B23C 5/2304 is incomplete pending reclassification of documents from groups B23C 5/22, B23C 5/2213, B23C 5/2247 and B23C 5/2273.
All groups listed in this Warning should be considered in order to perform a complete search.

B23C 5/2306

. . . . .

{for plate-like cutting inserts fitted on an intermediate carrier, e.g. shank fixed in the cutter body} [2022-02]

WARNING

Group B23C 5/2306 is incomplete pending reclassification of documents from groups B23C 5/22, B23C 5/2226, B23C 5/2252 and B23C 5/2278.
All groups listed in this Warning should be considered in order to perform a complete search.

B23C 5/2309

. . . . .

{for plate-like cutting inserts fitted on a ring or ring segment} [2022-02]

WARNING

Group B23C 5/2309 is incomplete pending reclassification of documents from groups B23C 5/22, B23C 5/2234, B23C 5/226 and B23C 5/2291.
All groups listed in this Warning should be considered in order to perform a complete search.

B23C 5/24

. . . .

adjustable [2022-02]

WARNING

Group B23C 5/24 is impacted by reclassification into groups B23C 5/2462, B23C 5/2465, B23C 5/2468, B23C 5/2472, B23C 5/2475, B23C 5/2479, B23C 5/2482, B23C 5/2486, B23C 5/2489, B23C 5/2493 and B23C 5/2496.
All groups listed in this Warning should be considered in order to perform a complete search.

B23C 5/2462

. . . . .

{the adjusting means being oblique surfaces} [2022-02]

WARNING

Group B23C 5/2462 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2462 should be considered in order to perform a complete search.

B23C 5/2465

. . . . .

{the adjusting means being notches} [2022-02]

WARNING

Group B23C 5/2465 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2465 should be considered in order to perform a complete search.

B23C 5/2468

. . . . .

{the adjusting means being serrations} [2022-02]

WARNING

Group B23C 5/2468 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2468 should be considered in order to perform a complete search.

B23C 5/2472

. . . . .

{the adjusting means being screws} [2022-02]

WARNING

Group B23C 5/2472 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2472 should be considered in order to perform a complete search.

B23C 5/2475

. . . . .

{the adjusting means being distance elements, e.g. shims or washers} [2022-02]

WARNING

Group B23C 5/2475 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2475 should be considered in order to perform a complete search.

B23C 5/2479

. . . . .

{the adjusting means being eccentrics} [2022-02]

WARNING

Group B23C 5/2479 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2479 should be considered in order to perform a complete search.

B23C 5/2482

. . . . .

{the adjusting means being hydraulic cylinders} [2022-02]

WARNING

Group B23C 5/2482 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2482 should be considered in order to perform a complete search.

B23C 5/2486

. . . . .

{where the adjustment is made by elastically deforming the toolholders} [2022-02]

WARNING

Group B23C 5/2486 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2486 should be considered in order to perform a complete search.

B23C 5/2489

. . . . .

{where the adjustment is made by changing the inclination of the inserts} [2022-02]

WARNING

Group B23C 5/2489 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2489 should be considered in order to perform a complete search.

B23C 5/2493

. . . . .

{where the adjustment is made by deforming the seating surfaces} [2022-02]

WARNING

Group B23C 5/2493 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2493 should be considered in order to perform a complete search.

B23C 5/2496

. . . . .

{where the adjusting means are gears and racks} [2022-02]

WARNING

Group B23C 5/2496 is incomplete pending reclassification of documents from group B23C 5/24.
Groups B23C 5/24 and B23C 5/2496 should be considered in order to perform a complete search.

B23C 5/26

Securing milling cutters to the driving spindle [2013-01]

B23C 5/265

. .

{by fluid pressure means} [2013-01]

B23C 5/28

Features relating to lubricating or cooling [2022-02]

WARNING

Group B23C 5/28 is impacted by reclassification into groups B23C 5/281, B23C 5/282, B23C 5/283, B23C 5/285, B23C 5/286 and B23C 5/287.
All groups listed in this Warning should be considered in order to perform a complete search.

B23C 5/281

. .

{Coolant moving along the outside tool periphery towards the cutting edges} [2022-02]

WARNING

Group B23C 5/281 is incomplete pending reclassification of documents from group B23C 5/28.
Groups B23C 5/28 and B23C 5/281 should be considered in order to perform a complete search.

B23C 5/282

. .

{Coolant channel characterised by its cross-sectional shape} [2022-02]

WARNING

Group B23C 5/282 is incomplete pending reclassification of documents from group B23C 5/28.
Groups B23C 5/28 and B23C 5/282 should be considered in order to perform a complete search.

B23C 5/283

. .

{Cutting inserts with internal coolant channels} [2022-02]

WARNING

Group B23C 5/283 is incomplete pending reclassification of documents from group B23C 5/28.
Groups B23C 5/28 and B23C 5/283 should be considered in order to perform a complete search.

B23C 5/285

. .

{Nozzles} [2022-02]

WARNING

Group B23C 5/285 is incomplete pending reclassification of documents from group B23C 5/28.
Groups B23C 5/28 and B23C 5/285 should be considered in order to perform a complete search.

B23C 5/286

. .

{Deflectors} [2022-02]

WARNING

Groups B23C 5/286 and B23C 5/287 are incomplete pending reclassification of documents from group B23C 5/28.
Groups B23C 5/28, B23C 5/286 and B23C 5/287 should be considered in order to perform a complete search.

B23C 5/287

. . .

{intersecting the rotational axis} [2022-02]

B23C 7/00

Milling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool [2013-01]

B23C 7/02

to lathes [2013-01]

B23C 7/04

to planing or slotting machines [2013-01]

B23C 9/00

Details or accessories so far as specially adapted to milling machines or cutter (drives, control devices, or accessories, in general B23Q) [2013-01]

B23C 9/005

{milling heads} [2013-01]

B23C 2200/00

Details of milling cutting inserts [2013-01]

B23C 2200/04

Overall shape [2013-01]

B23C 2200/0405

. .

Hexagonal [2013-01]

B23C 2200/0411

. . .

irregular [2013-01]

B23C 2200/0416

. .

Irregular [2013-01]

B23C 2200/0422

. .

Octagonal [2013-01]

B23C 2200/0427

. . .

rounded [2013-01]

B23C 2200/0433

. .

Parallelogram [2013-01]

B23C 2200/0438

. . .

rounded [2013-01]

B23C 2200/0444

. .

Pentagonal [2013-01]

B23C 2200/045

. .

Round [2013-01]

B23C 2200/0455

. .

Square [2013-01]

B23C 2200/0461

. . .

rounded [2013-01]

B23C 2200/0466

. .

Star form [2013-01]

B23C 2200/0472

. .

Trapezium [2013-01]

B23C 2200/0477

. .

Triangular [2013-01]

B23C 2200/0483

. . .

rounded [2013-01]

B23C 2200/0488

. .

Heptagonal [2013-01]

B23C 2200/0494

. .

Rectangular [2013-01]

B23C 2200/08

Rake or top surfaces [2013-01]

B23C 2200/081

. .

with projections (chip breaking projections in general B23C 2200/323) [2013-01]

B23C 2200/082

. .

with an elevated clamping surface [2013-01]

B23C 2200/083

. .

curved [2013-01]

B23C 2200/085

. .

discontinuous [2013-01]

B23C 2200/086

. .

with one or more grooves [2013-01]

B23C 2200/088

. .

spherical [2013-01]

B23C 2200/12

Side or flank surfaces [2013-01]

B23C 2200/121

. .

with projections [2013-01]

B23C 2200/123

. .

curved [2013-01]

B23C 2200/125

. .

discontinuous [2013-01]

B23C 2200/126

. . .

stepped [2013-01]

B23C 2200/128

. .

with one or more grooves [2013-01]

B23C 2200/16

Supporting or bottom surfaces [2013-01]

B23C 2200/161

. .

with projections [2013-01]

B23C 2200/162

. .

curved [2013-01]

B23C 2200/164

. .

discontinuous [2013-01]

B23C 2200/165

. .

with one or more grooves [2013-01]

B23C 2200/167

. .

star form [2013-01]

B23C 2200/168

. .

with features related to indexing (with lines to permit indexing of round inserts B23C 2200/363) [2013-01]

B23C 2200/20

Top or side views of the cutting edge [2013-01]

B23C 2200/201

. .

Details of the nose radius and immediately surrounding areas [2013-01]

B23C 2200/203

. .

Curved cutting edges [2013-01]

B23C 2200/205

. .

Discontinuous cutting edges [2013-01]

B23C 2200/206

. .

Cutting edges having a wave-form [2013-01]

B23C 2200/208

. .

Wiper, i.e. an auxiliary cutting edge to improve surface finish [2013-01]

B23C 2200/24

Cross section of the cutting edge [2013-01]

B23C 2200/243

. .

bevelled or chamfered [2013-01]

B23C 2200/246

. .

rounded [2013-01]

B23C 2200/28

Angles [2022-02]

WARNING

Group B23C 2200/28 is impacted by reclassification into groups B23C 2200/291 and B23C 2200/293.
Groups B23C 2200/28, B23C 2200/291 and B23C 2200/293 should be considered in order to perform a complete search.

B23C 2200/281

. .

Negative rake angles [2022-02]

WARNING

Group B23C 2200/281 is incomplete pending reclassification of documents from group B23C 2200/283.
Groups B23C 2200/283 and B23C 2200/281 should be considered in order to perform a complete search.

B23C 2200/283

(Frozen)

. .

Negative cutting angles [2022-02]

WARNING

Group B23C 2200/283 is no longer used for the classification of documents as of February 1, 2022.
The content of this group is being reclassified into groups B23C 2200/281 and B23C 2200/284.
Groups B23C 2200/283, B23C 2200/281 and B23C 2200/284 should be considered in order to perform a complete search.

B23C 2200/284

. .

Negative clearance angles [2022-02]

WARNING

Group B23C 2200/284 is incomplete pending reclassification of documents from group B23C 2200/283.
Groups B23C 2200/283 and B23C 2200/284 should be considered in order to perform a complete search.

B23C 2200/286

(Frozen)

. .

Positive cutting angles [2022-02]

WARNING

Group B23C 2200/286 is no longer used for the classification of documents as of February 1, 2022.
The content of this group is being reclassified into groups B23C 2200/287 and B23C 2200/289.
Groups B23C 2200/286, B23C 2200/287 and B23C 2200/289 should be considered in order to perform a complete search.

B23C 2200/287

. .

Positive rake angles [2022-02]

WARNING

Group B23C 2200/287 is incomplete pending reclassification of documents from group B23C 2200/286.
Groups B23C 2200/286 and B23C 2200/287 should be considered in order to perform a complete search.

B23C 2200/289

. .

Positive clearance angles [2022-02]

WARNING

Group B23C 2200/289 is incomplete pending reclassification of documents from group B23C 2200/286.
Groups B23C 2200/286 and B23C 2200/289 should be considered in order to perform a complete search.

B23C 2200/291

. .

Variable rake angles [2022-02]

WARNING

Group B23C 2200/291 is incomplete pending reclassification of documents from group B23C 2200/28.
Groups B23C 2200/28 and B23C 2200/291 should be considered in order to perform a complete search.

B23C 2200/293

. .

Variable clearance angles [2022-02]

WARNING

Group B23C 2200/293 is incomplete pending reclassification of documents from group B23C 2200/28.
Groups B23C 2200/28 and B23C 2200/293 should be considered in order to perform a complete search.

B23C 2200/32

Chip breaking or chip evacuation [2013-01]

B23C 2200/323

. .

by chip-breaking projections (with projection on top surface B23C 2200/081) [2013-01]

B23C 2200/326

. .

by chip-breaking grooves [2022-02]

B23C 2200/36

Other features of the milling insert not covered by B23C 2200/04 - B23C 2200/32 [2022-02]

WARNING

Group B23C 2200/36 is impacted by reclassification into groups B23C 2200/364, B23C 2200/369 and B23C 2200/3691.
All groups listed in this Warning should be considered in order to perform a complete search.

B23C 2200/361

. .

Fixation holes [2013-01]

B23C 2200/362

. . .

Having two fixation holes [2013-01]

B23C 2200/363

. .

Lines for indexing round inserts [2022-02]

B23C 2200/364

. .

Porous inserts, e.g. lattice-shaped constructions [2022-02]

WARNING

Group B23C 2200/364 is incomplete pending reclassification of documents from group B23C 2200/36.
Groups B23C 2200/36 and B23C 2200/364 should be considered in order to perform a complete search.

B23C 2200/365

. .

Lands, i.e. the outer peripheral section of rake faces [2013-01]

B23C 2200/366

. . .

Variable [2013-01]

B23C 2200/367

. .

Mounted tangentially, i.e. where the rake face is not the face with largest area [2013-01]

B23C 2200/368

. .

Roughened surfaces [2013-01]

B23C 2200/369

. .

Double-sided inserts [2022-02]

WARNING

Groups B23C 2200/369 and B23C 2200/3691 are incomplete pending reclassification of documents from group B23C 2200/36.
Groups B23C 2200/36, B23C 2200/369 and B23C 2200/3691 should be considered in order to perform a complete search.

B23C 2200/3691

. . .

Split inserts [2022-02]

B23C 2210/00

Details of milling cutters [2013-01]

B23C 2210/02

Connections between the shanks and detachable cutting heads [2013-01]

B23C 2210/03

Cutting heads comprised of different material than the shank irrespective of whether the head is detachable from the shank [2013-01]

B23C 2210/04

Angles [2013-01]

B23C 2210/0407

. .

Cutting angles [2013-01]

B23C 2210/0414

. . .

different [2013-01]

B23C 2210/0421

. . .

negative [2013-01]

B23C 2210/0428

. . . .

axial rake angle [2013-01]

B23C 2210/0435

. . . .

radial rake angle [2013-01]

B23C 2210/0442

. . .

positive [2013-01]

B23C 2210/045

. . . .

axial rake angle [2013-01]

B23C 2210/0457

. . . .

radial rake angle [2013-01]

B23C 2210/0464

. . .

neutral [2013-01]

B23C 2210/0471

. . . .

axial rake angle [2013-01]

B23C 2210/0478

. . . .

radial rake angle [2013-01]

B23C 2210/0485

. .

Helix angles [2013-01]

B23C 2210/0492

. . .

different [2013-01]

B23C 2210/08

Side or top views of the cutting edge [2013-01]

B23C 2210/082

. .

Details of the corner region between axial and radial cutting edges [2013-01]

B23C 2210/084

. .

Curved cutting edges [2013-01]

B23C 2210/086

. .

Discontinuous or interrupted cutting edges [2013-01]

B23C 2210/088

. .

Cutting edges with a wave form [2013-01]

B23C 2210/12

Cross section of the cutting edge [2013-01]

B23C 2210/123

. .

Bevelled cutting edges [2013-01]

B23C 2210/126

. .

Rounded cutting edges [2013-01]

B23C 2210/16

Fixation of inserts or cutting bits in the tool (details of connections B23C 2240/00) [2013-01]

B23C 2210/161

. .

Elastically deformable clamping members [2013-01]

B23C 2210/163

. .

Indexing [2013-01]

B23C 2210/165

. .

Fixation bolts [2013-01]

B23C 2210/166

. .

Shims [2013-01]

B23C 2210/168

. .

Seats for cutting inserts, supports for replacable cutting bits [2013-01]

B23C 2210/20

Number of cutting edges [2013-01]

B23C 2210/201

. .

one [2013-01]

B23C 2210/202

. .

three [2013-01]

B23C 2210/203

. .

four [2013-01]

B23C 2210/204

. .

five [2013-01]

B23C 2210/205

. .

six [2013-01]

B23C 2210/206

. .

seven [2013-01]

B23C 2210/207

. .

eight [2013-01]

B23C 2210/208

. .

ten [2013-01]

B23C 2210/209

. .

twelve [2013-01]

B23C 2210/24

Overall form of the milling cutter (angles B23C 2210/04; top or side views of cutting edges B23C 2210/08; cross sections of cutting edges B23C 2210/12) [2013-01]

B23C 2210/241

. .

Cross sections of the whole milling cutter [2013-01]

B23C 2210/242

. .

Form tools, i.e. cutting edges profiles to generate a particular form [2013-01]

B23C 2210/243

. .

Cutting parts at both ends [2013-01]

B23C 2210/244

. .

Milling cutters comprised of disc-shaped modules or multiple disc-like cutters [2013-01]

B23C 2210/245

. .

Milling cutters comprising a disc having a wave form [2013-01]

B23C 2210/246

. .

Milling cutters comprising a hole or hollow in the end face or between the cutting edges [2013-01]

B23C 2210/247

. .

Stepped milling cutters [2013-01]

B23C 2210/248

. . .

with enlarged cutting heads [2013-01]

B23C 2210/28

Arrangement of teeth [2013-01]

B23C 2210/282

. .

Unequal angles between the cutting edges, i.e. cutting edges unequally spaced in the circumferential direction [2013-01]

B23C 2210/285

. .

Cutting edges arranged at different diameters [2013-01]

B23C 2210/287

. .

Cutting edges arranged at different axial positions or having different lengths in the axial direction [2013-01]

B23C 2210/32

Details of teeth [2013-01]

B23C 2210/321

. .

Lands, i.e. the area on the rake face in the immediate vicinity of the cutting edge [2013-01]

B23C 2210/323

. .

Separate teeth, i.e. discrete profiled teeth similar to those of a hob [2013-01]

B23C 2210/325

. .

Different teeth, i.e. one tooth having a different configuration to a tooth on the opposite side of the flute [2013-01]

B23C 2210/326

. .

File like cutting teeth, e.g. the teeth of cutting burrs [2013-01]

B23C 2210/328

. .

Treated cutting edges [2013-01]

B23C 2210/40

Flutes, i.e. chip conveying grooves [2013-01]

B23C 2210/402

. .

of variable depth [2013-01]

B23C 2210/405

. . .

having decreasing depth in the direction of the shank from the tip of the tool [2013-01]

B23C 2210/407

. . .

having increasing depth in the direction of the shank from the tip of the tool [2013-01]

B23C 2210/44

Margins, i.e. the part of the peripheral suface immediately adacent the cutting edge [2013-01]

B23C 2210/445

. .

variable [2013-01]

B23C 2210/48

Chip breakers [2013-01]

B23C 2210/483

. .

Chip breaking projections [2013-01]

B23C 2210/486

. .

Chip breaking grooves or depressions [2013-01]

B23C 2210/50

Cutting inserts [2022-02]

WARNING

Group B23C 2210/50 is impacted by reclassification into groups B23C 2210/501, B23C 2210/502 and B23C 2210/504.
All groups listed in this Warning should be considered in order to perform a complete search.

B23C 2210/501

. .

with cutting edges following one or more helices [2022-02]

WARNING

Group B23C 2210/501 is incomplete pending reclassification of documents from group B23C 2210/50.
Groups B23C 2210/50 and B23C 2210/501 should be considered in order to perform a complete search.

B23C 2210/502

. .

with cutting edges following straight flutes or rows of more than one insert [2022-02]

WARNING

Group B23C 2210/502 is incomplete pending reclassification of documents from group B23C 2210/50.
Groups B23C 2210/50 and B23C 2210/502 should be considered in order to perform a complete search.

B23C 2210/503

. .

mounted internally on the cutter [2013-01]

B23C 2210/504

. .

arranged in a manner that only extends longitudinally by one insert [2022-02]

WARNING

Group B23C 2210/504 is incomplete pending reclassification of documents from group B23C 2210/50.
Groups B23C 2210/50 and B23C 2210/504 should be considered in order to perform a complete search.

B23C 2210/506

. .

mounted so as to be able to rotate freely [2013-01]

B23C 2210/52

Bushings [2013-01]

B23C 2210/54

Configuration of the cutting part [2013-01]

B23C 2210/56

Supporting or guiding sections located on the periphery of the tool [2013-01]

B23C 2210/58

Brushes [2013-01]

B23C 2210/60

Axis of the cutter inclined with respect to the axis of rotation [2013-01]

B23C 2210/62

Selectable cutting diameters [2013-01]

B23C 2210/64

End milling cutters having a groove in the end cutting face, the groove not being present so as to provide a cutting edge [2022-02]

WARNING

Group B23C 2210/64 is impacted by reclassification into group B23C 2210/641.
Groups B23C 2210/64 and B23C 2210/641 should be considered in order to perform a complete search.

B23C 2210/641

. .

at least one groove or gash being different than another [2022-02]

WARNING

Group B23C 2210/641 is incomplete pending reclassification of documents from group B23C 2210/64.
Groups B23C 2210/64 and B23C 2210/641 should be considered in order to perform a complete search.

B23C 2210/66

Markings, i.e. symbols or indicating marks [2013-01]

B23C 2210/68

Reground to nominal diameter by removal of material from both the front of the insert and the back of insert carrier [2013-01]

B23C 2210/70

Pilots [2013-01]

B23C 2210/72

Rotatable in both directions [2013-01]

B23C 2210/74

Slits [2013-01]

B23C 2215/00

Details of workpieces [2013-01]

B23C 2215/04

Aircraft components [2013-01]

B23C 2215/045

. .

Propellers [2013-01]

B23C 2215/08

Automotive parts (B23C 2215/16, B23C 2215/20 and B23C 2215/24 take precedence) [2013-01]

B23C 2215/085

. .

Wheels [2013-01]

B23C 2215/12

Propellers for boats [2013-01]

B23C 2215/16

Camshafts [2013-01]

B23C 2215/20

Crankshafts [2013-01]

B23C 2215/24

Components of internal combustion engines [2013-01]

B23C 2215/242

. .

Combustion chambers [2013-01]

B23C 2215/245

. .

Connecting rods [2013-01]

B23C 2215/247

. .

Components of diesel engines [2013-01]

B23C 2215/28

Nipples [2013-01]

B23C 2215/32

Railway tracks [2013-01]

B23C 2215/36

Railway wheels [2013-01]

B23C 2215/40

Spectacles [2013-01]

B23C 2215/44

Turbine blades [2013-01]

B23C 2215/48

Kaplan turbines [2013-01]

B23C 2215/52

Axial turbine wheels [2013-01]

B23C 2215/56

Radial turbine wheels [2013-01]

B23C 2215/60

Valve guides in combination with the neighbouring valve seat [2013-01]

B23C 2215/64

Well pipe windows, i.e. windows in tubings or casings for wells [2013-01]

B23C 2220/00

Details of milling processes [2013-01]

B23C 2220/04

Milling with the axis of the cutter inclined to the surface being machined [2013-01]

B23C 2220/08

Milling with the axis of the tool perpendicular to the workpiece axis [2013-01]

B23C 2220/12

Cutting off, i.e. producing multiple discrete components from a single piece of material [2013-01]

B23C 2220/16

Chamferring [2013-01]

B23C 2220/20

Deburring [2013-01]

B23C 2220/24

Production of elliptical holes [2013-01]

B23C 2220/28

Finishing (roughing and finishing B23C 2220/605) [2013-01]

B23C 2220/32

Five-axis [2013-01]

B23C 2220/36

Production of grooves [2013-01]

B23C 2220/363

. .

Spiral grooves [2013-01]

B23C 2220/366

. .

Turbine blade grooves [2013-01]

B23C 2220/40

Using guiding means [2013-01]

B23C 2220/44

High speed milling [2013-01]

B23C 2220/48

Methods of milling not otherwise provided for [2013-01]

B23C 2220/52

Orbital drilling, i.e. use of a milling cutter moved in a spiral path to produce a hole [2013-01]

B23C 2220/56

Plunge milling [2013-01]

B23C 2220/60

Roughing [2013-01]

B23C 2220/605

. .

Roughing and finishing [2013-01]

B23C 2220/64

Using an endmill, i.e. a shaft milling cutter, to generate profile of a crankshaft or camshaft [2013-01]

B23C 2220/68

Whirling [2013-01]

B23C 2222/00

Materials of tools or workpieces composed of metals, alloys or metal matrices [2013-01]

B23C 2222/04

Aluminium [2013-01]

B23C 2222/06

Babbitt metal [2013-01]

B23C 2222/12

Brass [2013-01]

B23C 2222/14

Cast iron [2013-01]

B23C 2222/16

Cermet [2013-01]

B23C 2222/28

Details of hard metal, i.e. cemented carbide [2013-01]

B23C 2222/32

Details of high speed steel (steel B23C 2222/84) [2013-01]

B23C 2222/52

Magnesium [2013-01]

B23C 2222/61

Metal matrices with metallic or non-metallic particles or fibres [2013-01]

B23C 2222/64

Nickel [2013-01]

B23C 2222/76

Silver [2013-01]

B23C 2222/78

Sodium [2013-01]

B23C 2222/84

Steel (details of high speed steel B23C 2222/32) [2013-01]

B23C 2222/88

Titanium [2013-01]

B23C 2222/98

Zinc [2013-01]

B23C 2224/00

Materials of tools or workpieces composed of a compound including a metal [2013-01]

B23C 2224/04

Aluminium oxide [2013-01]

B23C 2224/13

Chromium nitride [2013-01]

B23C 2224/14

Chromium aluminium nitride (CrAlN) [2013-01]

B23C 2224/20

Tantalum carbide [2013-01]

B23C 2224/22

Titanium aluminium carbide nitride (TiAlCN) [2013-01]

B23C 2224/24

Titanium aluminium nitride (TiAlN) [2013-01]

B23C 2224/28

Titanium carbide [2013-01]

B23C 2224/32

Titanium carbide nitride (TiCN) [2013-01]

B23C 2224/36

Titanium nitride [2013-01]

B23C 2224/56

Vanadium aluminium nitride (VAlN) [2013-01]

B23C 2226/00

Materials of tools or workpieces not comprising a metal [2013-01]

B23C 2226/12

Boron nitride [2013-01]

B23C 2226/125

. .

cubic [CBN] [2013-01]

B23C 2226/18

Ceramic [2013-01]

B23C 2226/27

Composites, e.g. fibre reinforced composites [2013-01]

B23C 2226/31

Diamond [2013-01]

B23C 2226/315

. .

polycrystalline [PCD] [2013-01]

B23C 2226/33

Elastomers, e.g. rubber [2013-01]

B23C 2226/37

Fibreglass [2013-01]

B23C 2226/41

Gypsum [2013-01]

B23C 2226/42

Gem, i.e. precious stone [2013-01]

B23C 2226/45

Glass (milling glass B28D 1/18) [2013-01]

B23C 2226/54

Paper [2013-01]

B23C 2226/61

Plastics not otherwise provided for, e.g. nylon [2013-01]

B23C 2226/62

Polystyrene foam [2013-01]

B23C 2226/72

Silicon carbide [2013-01]

B23C 2226/73

Silicon nitride [2013-01]

B23C 2226/75

Stone, rock or concrete (milling stone or like materials B28D 1/18) [2013-01]

B23C 2228/00

Properties of materials of tools or workpieces, materials of tools or workpieces applied in a specific manner [2013-01]

B23C 2228/04

applied by chemical vapour deposition [CVD] [2013-01]

B23C 2228/08

applied by physical vapour deposition [PVD] [2013-01]

B23C 2228/10

Coating [2013-01]

B23C 2228/12

Cast, i.e. in the form of a casting [2013-01]

B23C 2228/14

Flexible [2013-01]

B23C 2228/24

Hard, i.e. after being hardened [2013-01]

B23C 2228/25

Honeycomb [2013-01]

B23C 2228/26

Hot [2013-01]

B23C 2228/49

Sintered [2013-01]

B23C 2228/50

Soft metal [2013-01]

B23C 2230/00

Details of chip evacuation (chip evacuation in cutting inserts B23C 2200/32) [2013-01]

B23C 2230/04

Transport of chips [2013-01]

B23C 2230/045

. .

to the middle of the cutter or in the middle of a hollow cutter [2013-01]

B23C 2230/08

Using suction [2013-01]

B23C 2235/00

Details of milling keys [2013-01]

B23C 2235/04

Keys with blind holes [2013-01]

B23C 2235/08

Brushes [2013-01]

B23C 2235/12

Using a database to store details of the key, the information in the database being used for the generation of the profile of the key [2013-01]

B23C 2235/16

Dial indicators [2013-01]

B23C 2235/21

Calibration by electronic detection of position of probes and cutting wheels [2013-01]

B23C 2235/24

Electronic sensors [2013-01]

B23C 2235/28

Key blanks [2013-01]

B23C 2235/32

Measurement systems [2013-01]

B23C 2235/36

Ring keys [2013-01]

B23C 2235/41

Scanning systems [2013-01]

B23C 2235/44

Templates for the simulation of keys [2013-01]

B23C 2235/48

Tracers, probes or styli [2013-01]

B23C 2240/00

Details of connections of tools or workpieces (fixation of the cutting insert or bit in the tool B23C 2210/16) [2013-01]

B23C 2240/04

Bayonet connections [2013-01]

B23C 2240/08

Brazed connections [2013-01]

B23C 2240/12

Connections using captive nuts [2013-01]

B23C 2240/16

Welded connections [2013-01]

B23C 2240/21

Glued connections [2013-01]

B23C 2240/24

Connections using screws [2013-01]

B23C 2240/245

. .

hollow screws, e.g. for the transmission of coolant [2013-01]

B23C 2240/32

Connections using screw threads [2013-01]

B23C 2245/00

Details of adjusting inserts or bits in the milling cutter [2013-01]

B23C 2245/04

Adjustable wedge surfaces [2013-01]

B23C 2245/08

Setting gauges [2013-01]

B23C 2245/12

Spiral discs [2013-01]

B23C 2250/00

Compensating adverse effects during milling [2013-01]

B23C 2250/04

Balancing the cutter (vibration damping B23C 2250/16) [2013-01]

B23C 2250/08

compensating centrifugal force [2013-01]

B23C 2250/12

Cooling and lubrication [2013-01]

B23C 2250/16

Damping vibrations (balancing B23C 2250/04) [2013-01]

B23C 2250/21

compensating wear of parts not designed to be exchanged as wear parts [2013-01]

B23C 2255/00

Regulation of depth of cut [2013-01]

B23C 2255/04

Depth indicators [2013-01]

B23C 2255/08

Limitation of depth of cut [2013-01]

B23C 2255/12

Depth stops [2013-01]

B23C 2260/00

Details of constructional elements [2013-01]

B23C 2260/04

Adjustable elements [2013-01]

B23C 2260/08

Bearings [2013-01]

B23C 2260/12

Cams [2013-01]

B23C 2260/28

Differential screw threads [2013-01]

B23C 2260/40

Harmonic gearboxes, i.e. reduction gearing including a wave generator, a flex spline or a circular spline [2013-01]

B23C 2260/48

Indication scales [2013-01]

B23C 2260/52

Keys, e.g. spanners or Allen keys, especially for assembling or disassembling tooling [2013-01]

B23C 2260/56

Lasers (improving machinability with laser whilst milling B23P 25/003) [2013-01]

B23C 2260/68

Rings [2013-01]

B23C 2260/72

Seals [2013-01]

B23C 2260/76

Sensors [2013-01]

B23C 2260/80

Serrations [2013-01]

B23C 2260/84

Springs [2013-01]

B23C 2260/88

Steadies [2013-01]

B23C 2265/00

Details of general geometric configurations [2013-01]

B23C 2265/08

Conical [2013-01]

B23C 2265/12

Eccentric [2013-01]

B23C 2265/16

Elliptical [2013-01]

B23C 2265/32

Polygonal [2013-01]

B23C 2265/36

Spherical [2013-01]

B23C 2265/40

Spiral [2013-01]

B23C 2270/00

Details of milling machines, milling processes or milling tools not otherwise provided for [2013-01]

B23C 2270/02

Use of a particular power source [2013-01]

B23C 2270/022

. .

Electricity [2013-01]

B23C 2270/025

. .

Hydraulics [2013-01]

B23C 2270/027

. .

Pneumatics [2013-01]

B23C 2270/04

Use of centrifugal force (compensation of effect of centrifigal force B23C 2250/08) [2013-01]

B23C 2270/06

Use of elastic or plastic deformation (B23C 2210/161 takes precedence) [2013-01]

B23C 2270/08

Clamping mechanisms or provision for clamping (B23C 2210/16 takes precedence) [2013-01]

B23C 2270/10

Use of ultrasound [2013-01]

B23C 2270/12

Centering of two elements relative to one another [2013-01]

B23C 2270/14

Constructions comprising exactly two similar components [2013-01]

B23C 2270/16

Constructions comprising three or more similar components [2013-01]

B23C 2270/18

Milling internal areas of components [2013-01]

B23C 2270/20

Milling external areas of components [2013-01]

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