Boring or drilling machines or devices specially adapted for particular work ; Accessories specially adapted therefor

Introduced: September 1968

Title

Titles differ between systems:

IPC: Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor

CPC: Boring or drilling machines or devices specially adapted for particular work ; Accessories specially adapted therefor

Full titles differ between systems:

IPC:

Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor

CPC:

Boring or drilling machines or devices specially adapted for particular work ; Accessories specially adapted therefor

Of 9 combined children, 7 exist in both systems.

1 codes are CPC-only extensions, 1 exist only in IPC.

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B23B 41/003 +1 CPC CPC only CPC only
B23B 41/02 for boring deep holes; Trepanning, e.g. of gun or rifle barrels IPC+CPC Available in IPC and CPC
B23B 41/04 for boring polygonal or other non-circular holes IPC+CPC Available in IPC and CPC
B23B 41/06 for boring conical holes IPC+CPC Available in IPC and CPC
B23B 41/08 for boring, drilling, or tapping holes in tubes under fluid or gas pressure IPC only IPC only
B23B 41/10 for boring holes in steam boilers IPC+CPC Available in IPC and CPC
B23B 41/12 for forming working surfaces of cylinders, of bearings, e.g. in heads of driving rods, or of other engine parts IPC+CPC Available in IPC and CPC
B23B 41/14 for very small holes IPC+CPC Available in IPC and CPC
B23B 41/16 for boring holes with high-quality surface IPC+CPC Available in IPC and CPC

Class B23,2013–2023, worldwide · Source: EPO PATSTAT

Class B23,2013–2023, worldwide · Source: EPO PATSTAT