IPC Subgroup
B22D 27/18 Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack
Introduced: September 1968
Last revised: January 2006
Full Title
Treating the metal in the mould while it is molten or ductile > Measures for using chemical processes for influencing the surface composition of castings, e.g. for increasing resistance to acid attack
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CASTING; POWDER METALLURGY
- Subclass:
- CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES