B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
  
SHAPING
 B23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR (punching, perforating, making articles by processing sheet metal, tubes, or profiles B21D; wire-working B21F; making pins, needles, or nails B21G; making chains B21L; grinding B24)
 B23

Note(s)

  1. This class covers:
    • operations not provided for in any other class;
    • combinations of operations covered by different subclasses of classes B21-B24, which combinations are covered by subclass B23P, with the exception of subsidiary operations performed in conjunction with main operations covered by a single subclass;
    • features, specific to machine tools, which relate to a requirement or problem of a nature which is not peculiar to a particular kind of machine tool, e.g. feeding work, which are covered by subclass B23Q, although the realisation of these features may differ according to the kind of machine tool concerned. The said subclass covers such features, in general, even if the feature or a specific function, in any particular case, is to some extent peculiar to, or is claimed only for, machine tools designed for one particular operation; only in exceptional cases are such features to be classified in the subclass for the machine tool concerned. Certain features of this general nature are, however, referred to subclasses relating to particular metal-working operations, especially B23B, in which case the subclasses in question are not restricted, in respect of those features, to the kind of machine tool with which they are primarily concerned.
  2. In this class, the following terms or expressions are used with the meanings indicated:
    • "metal-working" covers the working of other materials unless the context requires otherwise;
    • "kind of operations" and similar expressions relate to such metal-working operations as boring, drilling, milling and grinding;
    • "kind of machine" means a machine designed for a particular kind of metal-working operation (e.g. a lathe);
    • "form of machine" means a machine of a particular kind adapted or arranged for a particular way of working or for particular work, e.g. face-plate lathe, tailstock lathe, turret lathe;
    • "different machines" covers different forms of machines for performing the same type of metal-working operation, e.g. vertical and horizontal boring machines.
  3. If details, components, or accessories have no essential feature specific to machine tools, the more general class, e.g. F16, takes precedence.
 B23C
MILLING (broaching B23D; broach-milling in making gears B23F; arrangements for copying or controlling B23Q)
 B23C 1/00
Milling machines not designed for particular work or special operations
 B23C 1/02
·  with one horizontal working-spindle
 B23C 1/025
·  ·  with working-spindle in a fixed position  [2]
 B23C 1/027
·  ·  with working-spindle movable in a vertical direction  [2]
 B23C 1/04
·  with a plurality of horizontal working-spindles
 B23C 1/06
·  with one vertical working-spindle
 B23C 1/08
·  with a plurality of vertical working-spindles
 B23C 1/10
·  with both horizontal and vertical working-spindles
 B23C 1/12
·  with spindle adjustable to different angles, e.g. either horizontally or vertically
 B23C 1/14
·  with rotary work-carrying table (work tables for machine tools in general B23Q 1/00)
 B23C 1/16
·  specially designed for control by copying devices
 B23C 1/18
·  ·  for milling while revolving the work
 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
 B23C 3/00
Milling particular work; Special milling operations; Machines therefor (milling gear-teeth B23F; milling of threads B23G 1/32)  [2]
 B23C 3/02
·  Milling surfaces of revolution (B23C 3/06, B23C 3/08 take precedence)
 B23C 3/04
·  ·  while revolving the work
 B23C 3/05
·  ·  Finishing valves or valve seats  [2]
 B23C 3/06
·  Milling crankshafts
 B23C 3/08
·  Milling cams, camshafts, or the like
 B23C 3/10
·  Relieving by milling (lathes or turning devices for relieving B23B 5/42)
 B23C 3/12
·  Trimming or finishing edges, e.g. deburring welded corners
 B23C 3/13
·  Surface milling of plates, sheets or strips  [2]
 B23C 3/14
·  Scrubbing or peeling ingots or similar workpieces
 B23C 3/16
·  Working surfaces curved in two directions
 B23C 3/18
·  ·  for shaping screw-propellers, turbine blades, or impellers
 B23C 3/20
·  ·  for shaping dies
 B23C 3/22
·  Forming overlapped joints, e.g. of the ends of piston-rings
 B23C 3/24
·  Making square or polygonal ends on workpieces, e.g. key studs on tools
 B23C 3/26
·  Making square or polygonal holes in workpieces, e.g. key holes in tools
 B23C 3/28
·  Grooving workpieces
 B23C 3/30
·  ·  Milling straight grooves, e.g. keyways
 B23C 3/32
·  ·  Milling helical grooves, e.g. in making twist-drills
 B23C 3/34
·  ·  Milling grooves of other forms, e.g. circumferential
 B23C 3/35
·  ·  Milling grooves in keys
 B23C 3/36
·  Milling milling-cutters (B23C 3/28 takes precedence)
 B23C 5/00
Milling-cutters (for cutting gear-teeth B23F 21/12)
 B23C 5/02
·  characterised by the shape of the cutter
 B23C 5/04
·  ·  Plain cutters, i.e. having essentially a cylindrical or tapered cutting surface of substantial length (B23C 5/10 takes precedence)
 B23C 5/06
·  ·  Face-milling cutters, i.e. having only or primarily a substantially flat cutting surface
 B23C 5/08
·  ·  Disc-type cutters
 B23C 5/10
·  ·  Shank-type cutters, i.e. with an integral shaft
 B23C 5/12
·  ·  Cutters specially designed for producing particular profiles (B23C 5/10 takes precedence)
 B23C 5/14
·  ·  ·  essentially comprising curves
 B23C 5/16
·  characterised by physical features other than shape
 B23C 5/18
·  ·  with permanently-fixed cutter-bits or teeth
 B23C 5/20
·  ·  with removable cutter-bits or teeth
 B23C 5/22
·  ·  ·  Securing arrangements for bits or teeth
 B23C 5/24
·  ·  ·  ·  adjustable
 B23C 5/26
·  Securing milling-cutters to the driving spindle
 B23C 5/28
·  Features relating to lubricating or cooling
 B23C 7/00
Milling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool
 B23C 7/02
·  to lathes
 B23C 7/04
·  to planing or slotting machines
 B23C 9/00
Details or accessories so far as specially adapted to milling machines or cutters (drives, control devices, or accessories, in general B23Q)