IPC Subgroup
B28B 21/84 Moulds with one or more pivotable parts
Introduced: September 1968
Last revised: January 2006
Full Title
Methods or machines specially adapted for the production of tubular articles > Moulds > built-up from several parts; Multiple moulds; Moulds with adjustable parts > Moulds with one or more pivotable parts
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