IPC Subgroup
B28B 21/02 by casting into moulds
Introduced: September 1968
Last revised: January 2006
Full Title
Methods or machines specially adapted for the production of tubular articles > by casting into moulds
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
4 direct subcodes
Child Classifications
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- B28B 21/04 by simple casting, the material being neither positively compacted nor forcibly fed
- B28B 21/06 into moulds having sliding parts
- B28B 21/08 by slip-casting; Moulds therefor
- B28B 21/1 using compacting means