FI (Note)/(Index) list

Descriptions for B23G and notes/indexes are displayed on this screen.

B23G THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS OR NUTS, IN CONJUNCTION THEREWITH (thread-forming by corrugating tubes B21D 15/04; by rolling B21H 3/02; by forging, pressing or hammering B21K 1/56; making helical grooves by turning B23B 5/48; by milling B23C 3/32; by grinding B24B 19/02; arrangements for copying or controlling B23Q)

Note(s)
In this subclass, the following expression is used with the meaning indicated:
    "thread cutting" includes the use of tools similar both in form and in manner of use to thread-cutting tools, but without removing any material.

Subclass indexes

THREAD-CUTTING METHODS, MACHINES OR DEVICES THEREFOR

1/00, 3/00, 7/00, 9/00

FINISHING

9/00

TOOLS

5/00, 7/02

ACCESSORIES

11/00