B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
 B01 - 
B07
Subsection index
LIQUID/LIQUID, LIQUID/GAS OR GAS/GAS SEPARATION
Method
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal force, using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/LIQUID OR SOLID/GAS SEPARATION
Method
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB01D
using magnetic or electrostatic effectB03C
Apparatus
General operationsB01D
by centrifugal forceB01D
using centrifuges or free-vortex apparatusB04B, B04C
using magnetic or electrostatic effectB03C
SOLID/SOLID SEPARATION
Method
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB07B
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
Apparatus
Dry methods
material in bulkB07B
Individual sortingB07C
Screening, sifting, pneumatic sortingB07B
using pneumatic tables or jigsB03B
by magnetic or electrostatic effectB03C
by centrifugal forceB07B
using centrifuges or free-vortex apparatusB04B, B04C
Wet methods
General operationsB03B
flotation, differential sedimentationB03D
screeningB07B
Combinations Dry methods - wet methodsB03B
  
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 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.
 B23D
PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR (making toothed gears or the like B23F; cutting metal by applying heat locally B23K; arrangements for copying or controlling B23Q)
 B23D

Note(s)

This subclass covers machines for shearing sheet metal or other stock material except metal foils workable in a manner analogous to paper, which is covered by class B26.  [2]

 B23D
Subclass index
PLANING; SLOTTING
Working method of the machine 1/00, 3/00, 5/00
Machines characterised by constructional features of a part 7/00
Hand-operated devices; portable apparatus 9/00
Devices for attachment to any machine tool 11/00
Tools, tool holders 13/00
SHEARING
Working method of machines or apparatus 15/00, 17/00, 19/00, 27/00, 31/00
Hand-held devices 21/00, 27/00, 29/00
Tools, holders, chucks 35/00
Accessories 33/00
Machines for particular work 21/00, 23/00, 25/00
Control arrangements 36/00
BROACHING; REAMING
Working method of machines or apparatus 37/00
Machines or devices characterised by constructional features of a part 41/00
Tools 43/00, 77/00
Accessories 39/00
Machines or devices for reaming bored holes 75/00
SAWING
Working method of machines or apparatus
using saw discs 45/00, 47/00
using straight saw blades 49/00, 51/00
using endless saw blades 53/00, 55/00
other working methods 57/00
Machines or devices characterised by constructional features of a part 47/00, 51/00, 55/00
Tools and attachment thereof; dressing thereof; making thereof 51/00, 61/00; 63/00; 65/00
Accessories 59/00
Control arrangements 36/00
FILING; RASPING
Working method of machines or apparatus 67/00
Machines or devices characterised by constructional features of a part 69/00
Tools; making thereof 71/00; 73/00
OTHER METHODS, MACHINES, OR DEVICES; COMBINATIONS 79/00; 81/00
 B23D 1/00 - 
B23D 13/00
Planing; Slotting
P:20 B23D 1/00
Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only
P:30 B23D 3/00
Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line
P:40 B23D 5/00
Planing or slotting machines cutting otherwise than by relative movement of the tool and workpiece in a straight line
P:50 B23D 7/00
Planing or slotting machines characterised only by constructional features of particular parts (constructional features of these parts per se B23Q)
P:60 B23D 9/00
Hand-operated planing devices; Portable planing apparatus (details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F 5/00)  [4]
P:70 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
P:80 B23D 13/00
Tools or tool holders specially designed for planing or slotting machines (features applicable also to turning-machines B23B 27/00, B23B 29/00; for cutting gear teeth B23F 21/00)
 B23D 15/00 - 
B23D 35/00
Shearing; Similar cutting
P:140 B23D 15/00
Shearing machines or shearing devices cutting by blades which move parallel to each other
P:150 B23D 17/00
Shearing machines or shearing devices cutting by blades pivoted on a single axis (on an axis parallel to the blade B23D 15/00; hand-held devices B23D 29/00)
P:160 B23D 19/00
Shearing machines or shearing devices cutting by rotary discs (by friction saw discs B23D 45/00)
P:100 B23D 21/00
Machines or devices for shearing or cutting tubes (as additional equipment for deep-drawing presses B21D 24/00; by sawing, see the relevant groups for sawing machines or sawing devices)
P:110 B23D 23/00
Machines or devices for shearing or cutting profiled stock (hand-held devices B23D 29/00)
P:120 B23D 25/00
Machines or arrangements for shearing stock while the latter is travelling otherwise than in the direction of the cut (control arrangements specially adapted for machines for shearing stock while the latter is travelling otherwise than in the direction of the cut B23D 36/00; controlling slack in travelling flexible stock B21C 47/02)  [2]
P:130 B23D 27/00
Machines or devices for cutting by a nibbling action
P:170 B23D 29/00
Hand-held metal-shearing or metal-cutting devices (with nibbling action B23D 27/00; hand-operated devices for metal-cutting otherwise than by shearing B26B)
P:90 B23D 31/00
Shearing machines or shearing devices covered by none or more than one of the groups B23D 15/00-B23D 29/00; Combinations of shearing machines
P:180 B23D 33/00
Accessories for shearing machines or shearing devices (feeding stock to machines or removing stock B21D 43/00)
P:190 B23D 35/00
Tools for shearing machines or shearing devices; Holders or chucks for shearing tools
P:0 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  [2]
 B23D 37/00 - 
B23D 43/00
Broaching
P:200 B23D 37/00
Broaching machines or broaching devices
P:210 B23D 39/00
Accessories for broaching machines or broaching devices
P:220 B23D 41/00
Broaching machines or broaching devices characterised only by constructional features of particular parts (constructional features of these parts per se B23Q)
P:230 B23D 43/00
Broaching tools (for cutting gear teeth B23F 21/00)
 B23D 45/00 - 
B23D 65/00
Sawing
P:240 B23D 45/00
Sawing machines or sawing devices with circular saw blades or with friction saw discs (shearing machines with rotary discs B23D 19/00-B23D 25/00)
P:250 B23D 47/00
Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts (constructional features of these parts per se B23Q; details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F 5/00)  [4]
P:260 B23D 49/00
Machines or devices for sawing with straight reciprocating saw blades, e.g. hacksaws
P:270 B23D 51/00
Sawing machines or sawing devices working with straight blades, characterised only by constructional features of particular parts (constructional features of these parts per se B23Q; details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F 5/00); Carrying or attaching means for tools, covered by this subclass, which are connected to a carrier at both ends  [4]
P:280 B23D 53/00
Machines or devices for sawing with strap saw blades which are effectively endless in use, e.g. for contour cutting
P:290 B23D 55/00
Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts (constructional features of these parts per se B23Q)
P:300 B23D 57/00
Sawing machines or sawing devices not covered by one of groups B23D 45/00-B23D 55/00
P:310 B23D 59/00
Accessories specially designed for sawing machines or sawing devices (lubricating or cooling machine tools in general B23Q 11/12)
P:320 B23D 61/00
Tools for sawing machines or sawing devices (tools for trepanning B23B 51/04); Clamping devices for these tools
P:330 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 (sharpening the cutting edges of mortise chain cutters B24B 3/00)
P:340 B23D 65/00
Making tools for sawing machines or sawing devices for use in cutting any kind of material
 B23D 67/00 - 
B23D 73/00
Filing or rasping
P:350 B23D 67/00
Filing or rasping machines or devices (securing arrangements for files or rasps B23D 71/00)
P:360 B23D 69/00
Filing or rasping machines or devices, characterised only by constructional features of particular parts, e.g. guiding arrangements, drives (constructional features of these parts per se B23Q; details or components, e.g. casings, bodies, of portable power-driven tools not particularly related to the operation performed B25F 5/00); Accessories for filing or rasping (attached to the tool B23D 71/00)  [4]
P:370 B23D 71/00
Filing or rasping tools; Securing arrangements therefor (carrying or attaching means for tools which are connected to a carrier at both ends B23D 51/00; guiding arrangements B23D 69/00; tool holders for machine tools B23Q 3/00; handles for hand implements B25G)
P:380 B23D 73/00
Making files or rasps (special treatment by sand-blast B24C 1/00; sharpening files by etching C23F 1/06)
 B23D 75/00 - 
B23D 77/00
Reaming bored holes
P:390 B23D 75/00
Reaming machines or reaming devices (tool holders for machine tools B23Q 3/00; handles for hand implements B25G)
P:400 B23D 77/00
Reaming tools
P:410 B23D 79/00
Methods, machines or devices not covered elsewhere, for working metal by removal of material (by combined operations B23D 81/00; turning machines for bevelling, chamfering, or deburring the ends of bars or tubes B23B 5/00; scrubbing or peeling ingots by milling B23C 3/00; working of metal by the action of a high concentration of electric current B23H; cutting by electron-beam B23K 15/00, by laser beam B23K 26/00; other working of metal B23P; tool holders for machine tools B23Q 3/00; handles for hand implements B25G)
P:10 B23D 81/00
Methods, machines, or devices for working metal, covered by more than one main group in this subclass (in combination with other metal-working operations B23P 13/00, B23P 23/00)