DIFF Subgroup
B23G 3/08 for advancing or controlling the threading tool or the work by templates, cams, or the like
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Arrangements or accessories for enabling machine tools not specially designed only for thread cutting to be used for this purpose, e.g. arrangements for reversing the working-spindle > for advancing or controlling the threading tool or the work by templates, cams, or the like
CPC:
Arrangements or accessories for enabling machine tools not specially designed only for thread cutting to be used for this purpose, e.g. arrangements for reversing the working spindle > for advancing or controlling the threading tool or the work by templates, cams, or the like
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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- B23G 3/12 for using several adjacently-arranged threading tools, e.g. using several chasers IPC+CPC Available in IPC and CPC