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IPC 7
B23P-B23P02500

SECTION B – PERFORMING OPERATIONS; TRANSPORTING


B 23MACHINE 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)


B 23 POTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS (arrangements for copying or controlling B23Q)


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 C21D, C22C, C22F, C23. 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 B23.


Subclass Index

MISCELLANEOUS METAL-WORKING PROCESSES 

Setting of diamonds 

B23P 5/00 

Reconditioning; finishing 

B23P 6/00; B23P 9/00 

Connecting or disconnecting 

B23P 11/00, B23P 19/00, B23P 21/00 

Other processes 

B23P 6/00, B23P 13/00, B23P 15/00, B23P 17/00 

Auxiliary treatments 

B23P 25/00 

COMBINED PROCESSES; MULTI-PURPOSE MACHINES 

Reconditioning; finishing 

B23P 6/00; B23P 9/00 

Other combined operations 

B23P 6/00, B23P 23/00 

Auxiliary treatments 

B23P 25/00 



5/

00Setting gems or the like on metal parts, e.g. diamonds on tools


6/

00Restoring or reconditioning objects (straightening or restoring form of sheet metal, metal rods, metal tubes, metal profiles, or specific articles made therefrom B21D 1/00, B21D 3/00; repairing defective or damaged objects by casting techniques B22D 19/10; procedures or apparatus covered by a single other subclass, see the relevant subclass) [3]

6/

02.Pistons or cylinders  [3]

6/

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


9/

00Treating 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. B24C, C21D 7/00, C22F 1/00); Features of such surfaces not otherwise provided for, their treatment being unspecified

9/

02.Treating or finishing by applying pressure, e.g. knurling (B23P 9/04 takes precedence)

9/

04.Treating or finishing by hammering or applying repeated pressure


11/

00Connecting or disconnecting metal parts or objects by metal-working techniques, not otherwise provided for (connecting sheet metal or metal tubes, rods or profiles B21D 39/00; riveting B21J; soldering, unsoldering, welding B23K; hand tools for connecting wire or strip B25B 25/00; connecting metal parts by adhesives F16B 11/00) [1,7]

 

11/

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


13/

00Making metal objects by operations essentially involving machining but not covered by a single other subclass (making specific objects B23P 15/00)

13/

02.in which only the machining operations are important

13/

04.involving slicing of profiled material


15/

00Making 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/

02.turbine or like blades from one piece

15/

04.turbine or like blades from several pieces

15/

06.piston rings from one piece

15/

08.piston rings from several pieces

15/

10.pistons

15/

12.gratings

15/

14.gear parts, e.g. gear wheels

15/

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

15/

18.brake shoes

15/

20.railroad requirements, e.g. buffers

15/

22.cartridges or like shells

15/

24.dies (B21C 3/18, B21C 25/10, B21D 37/20 take precedence)

15/

26.heat exchangers

15/

28.cutting tools (sawing tools B23D 63/00, B23D 65/00; files or rasps B23D 73/00)

15/

30..lathes or like tools

15/

32..twist-drills

15/

34..milling cutters

15/

36...for thread cutting

15/

38..planing or slotting tools (B23P 15/30 takes precedence)

15/

40..shearing tools

15/

42..broaching tools

15/

44..scraping or shaving tools

15/

46..reaming tools

15/

48..threading tools (milling cutters for thread-cutting B23P 15/36)

15/

50...dies

15/

52...taps


17/

00Metal-working operations, not covered by a single other subclass or another group in this subclass

17/

02.Single metal-working processes; Machines or apparatus therefor

17/

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

17/

06..Making steel wool or the like


19/

00Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes (hand tools in general B25) [3]

19/

02.for connecting objects by press fit or for detaching same (B23P 19/10 takes precedence) [1,7]

19/

027..using hydraulic or pneumatic means (B23P 19/033 takes precedence) [7]

 

19/

033..using vibration [7]

 

19/

04.for assembling or disassembling parts (B23P 19/10 takes precedence) [1,7]

19/

06..Screw or nut setting or loosening machines

19/

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

19/

10.Aligning parts to be fitted together [7]

 

19/

12..Alignment of parts for insertion into bores [7]

 


21/

00Machines 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/

00Machines 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 B23Q 37/00 to B23Q 41/00; features relating to operations covered by a single subclass, see the relevant subclass for the operation)

23/

02.Machine tools for performing different machining operations (lathes, e.g. capstan lathes, B23B; combined horizontal boring and milling machines B23B 39/02)

23/

04.for both machining and other metal-working operations

23/

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


25/

00Auxiliary 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


  
 

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