IPC Subgroup
B21C 23/04 by direct extrusion
Introduced: September 1968
Last revised: January 2006
Full Title
Extruding metal; Impact extrusion > Making uncoated products > by direct extrusion
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- Subclass:
- MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- B21C 23/06 Making sheets
- B21C 23/08 Making wire, rods or tubes
- B21C 23/14 Making other products