IPC 6 English version B23P !A-B23P 25/00

B23P-B23P02500

SECTION B– PERFORMING OPERATIONS; TRANSPORTING

B 23

MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR (punching, perforating, making articles by processing sheet metal, tubes, or profiles B 21 D; wire-working B 21 F; making pins, needles, or nails B 21 G; making chains B 21 L; grinding B 24)

B 23 P

OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS (arrangements for copying or controlling B 23 Q)

Notes

(1)

This subclass does not cover non-mechanical operations on non-metallic materials unless such operations are specially mentioned in this subclass.

(2)

In this subclass, the following expressions are used with the meanings indicated:

–

"combined operations" excludes the assembling of parts if it is an essential feature of the next metal-working operation, since it is not regarded as an operation per se;

–

"working of metal" and equivalent expressions include non-mechanical treatment of metal so far as it is not provided for in any other class or subclass, for example, in C 21 D, C 22 C, C 22 F, C 23. Thus, combinations of such non-mechanical treatment with other metal-working are classified in this subclass.

(3)

Attention is drawn to the Notes following the title of class B 23.

Setting gems or the like on metal parts, e.g. diamonds on tools

Restoring or reconditioning objects (straightening or restoring form of sheet metal, metal rods, metal tubes, metal profiles, or specific articles made therefrom B 21 D 1/00, B 21 D 3/00; repairing defective or damaged objects by casting techniques B 22 D 19/10; procedures or apparatus covered by a single other subclass, see the relevant subclass) [3]

Pistons or cylinders [3]

Repairing fractures or cracked metal parts or products, e.g. castings [3]

Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings (treatment covered by a single other subclass, see the relevant subclass, e.g. B 24 C, C 21 D 7/00, C 22 F 1/00); Features of such surfaces not otherwise provided for, their treatment being unspecified

Treating or finishing by applying pressure, e.g. knurling (B 23 P 9/04 takes precedence)

Treating or finishing by hammering or applying repeated pressure

11/

Connecting metal parts or objects by metal-working techniques, not covered wholly by either B 21 J or B 23 K (connecting sheet metal or metal tubes, rods or profiles B 21 D 39/00; hand tools for connecting wire or strip B 25 B 25/00; connecting metal parts by adhesives F 16 B 11/00)

11/

by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits

13/

Making metal objects by operations essentially involving machining but not covered by a single other subclass (making specific objects B 23 P 15/00)

13/

in which only the machining operations are important

13/

involving slicing of profiled material

15/

Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Note

This group covers only the objects covered by its subgroups.

15/

turbine or like blades from one piece

15/

turbine or like blades from several pieces

15/

piston rings from one piece

15/

piston rings from several pieces

15/

pistons

15/

gratings

15/

gear parts, e.g. gear wheels

15/

plates with holes of very small diameter e.g. for spinning or burner nozzles

15/

brake shoes

15/

railroad requirements, e.g. buffers

15/

cartridges or like shells

15/

dies (B 21 C 3/18, B 21 C 25/10, B 21 D 37/20 take precedence)

15/

heat exchangers

15/

cutting tools (sawing tools B 23 D 63/00, B 23 D 65/00; files or rasps B 23 D 73/00)

15/

lathes or like tools

15/

twist-drills

15/

milling cutters

15/

for thread cutting

15/

planing or slotting tools (B 23 P 15/30 takes precedence)

15/

shearing tools

15/

broaching tools

15/

scraping or shaving tools

15/

reaming tools

15/

threading tools (milling cutters for thread-cutting B 23 P 15/36)

15/

dies

15/

taps

17/

Metal-working operations, not covered by a single other subclass or another group in this subclass

17/

Single metal-working processes; Machines or apparatus therefor

17/

characterised by the nature of the material involved or the kind of product independently of its shape

17/

Making steel wool or the like

19/

Machines for simply fitting together or separating metal parts, or metal and non-metal parts, whether or not involving some deformation (connecting metal parts or objects by metal-working techniques B 23 P 11/00, B 21 J, B 23 K); Tools or devices therefor so far as not provided for in other classes (hand tools in general B 25) [3]

19/

for connecting objects by press fit or for detaching same

19/

for assembling or disassembling parts

19/

Screw or nut setting or loosening machines

19/

Machines for placing washers, circlips, or the like on bolts or other members

21/

Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control

23/

Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass (if the particular kinds of operation are not essential B 23 Q 37/00 to B 23 Q 41/00; features relating to operations covered by a single subclass, see the relevant subclass for the operation)

23/

Machine tools for performing different machining operations (lathes, e.g. capstan lathes, B 23 B; combined horizontal boring and milling machines B 23 B 39/02)

23/

for both machining and other metal-working operations

23/

Metal-working plant comprising a number of associated machines or apparatus

25/

Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress