B
SECTION B — PERFORMING OPERATIONS; TRANSPORTING
  
SHAPING
 B24
GRINDING; POLISHING
 B24

Note(s)

In this class, the following term is used with the meaning indicated:

  • "grinding" is used in its most general sense to mean machining and covers, in particular, "corrective" operations.

 B24B
MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING (grinding of gear teeth B23F, of screw threads B23G 1/36; by electro-erosion B23H; abrasive or related blasting B24C; tools for grinding, buffing or sharpening B24D; polishing compositions C09G 1/00; abrasives C09K 3/14; electrolytic etching or polishing C25F 3/00; grinding arrangements for use on assembled railway tracks E01B 31/17); DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS  [2]
 B24B

Note(s)

  1. In this subclass, the following term is used with the meaning indicated:
    • "polishing" means the smoothing of a surface, i.e. a surface improvement but no improvement of the dimensional accuracy as would occur in a "grinding" operation. [4]
  2. Attention is drawn to Notes (1) and (2) following the title of subclass B23F. [4]
  3. In groups B24B 1/00-B24B 27/00, in connection with glass the terms "grinding" and "polishing" are treated as being equivalent. [4]
 B24B
Subclass index
GRINDING OR POLISHING PROCESSES NOT PARTICULAR TO SPECIFIC MACHINES, DEVICES OR WORK 1/00
GRINDING; GENERAL FEATURES OF GRINDING, POLISHING, OR FINISHING
Grinding of surfaces with simple shapes 5/00, 7/00, 9/00, 11/00
Grinding of surfaces of special shape 3/00, 13/00 - 19/00
Grinding or polishing using abrasive belts 21/00
Portable machines 23/00
Other machines 25/00, 27/00
Component parts 41/00 - 47/00
Measuring, indicating, controlling; Safety 49/00, 51/00; 55/00
Dressing or conditioning of grinding tools; Feeding or applying grinding, polishing or lapping agents 53/00; 57/00
POLISHING OR FINISHING
Polishing, burnishing 29/00, 39/00
by tumbling 31/00
Honing, superfinishing 33/00, 35/00
Lapping 37/00
 B24C
ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
 B24C

Note(s)

  1. This subclass covers:
    • the use of a blast of any particles or pellets dispersed in air, gas, or liquid for the treatment of surfaces or cutting of materials, the particles usually being of abrasive material;
    • the equivalent use of a jet of particles or pellets projected or energised by means other than a stream of air.
  2. In this subclass, the following terms are used with the meanings indicated:
    • "abrasive" covers any material used in the manner mentioned in Note (1) above;
    • "blast" covers any equivalent jet of material mentioned in Note (1) above.
 B24D
TOOLS FOR GRINDING, BUFFING, OR SHARPENING (tools for grinding or polishing optical surfaces on lenses or surfaces of similar shape B24B 13/01; grinding heads B24B 41/00; manufacture of abrasive or friction articles or shaped materials containing macromolecular substances C08J 5/14; polishing compositions C09G 1/00; abrasives C09K 3/14)
 B24D

Note(s)

  1. This subclass covers grinding tools for working on any material.
  2. Tools for grinding, buffing or sharpening, specially designed for a particular purpose, which purpose is provided for in a single other place, are classified in that place, e.g. B23F 21/02. [4]
 B24D
Subclass index
PHYSICAL FEATURES OR CONSTITUENTS OF ABRASIVE BODIES OR SHEETS 3/00
ABRASIVE WHEELS 5/00, 7/00, 9/00, 13/00
FLEXIBLE ABRASIVE MATERIALS 11/00
HAND TOOLS 15/00
OTHER TOOLS 17/00
MANUFACTURE 18/00