IPC Subgroup
B22D 27/13 making use of gas pressure
Introduced: January 1980
Last revised: January 2006
Full Title
Treating the metal in the mould while it is molten or ductile > by using pressure > making use of gas pressure
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CASTING; POWDER METALLURGY
- Subclass:
- CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES