IPC Subgroup
B28B 1/44 by forcing cores into filled moulds for forming hollow articles
Introduced: September 1968
Last revised: January 2006
Full Title
Producing shaped articles from the material > by forcing cores into filled moulds for forming hollow articles
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- WORKING CEMENT, CLAY, OR STONE
- Subclass:
- SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER