CPC Subgroup
B22C 15/23 Compacting by gas pressure or vacuum
Full Title
Moulding machines characterised by the compacting mechanism; Accessories therefor > Compacting by gas pressure or vacuum
2 direct subcodes
Child Classifications
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- B22C 15/24 involving blowing devices in which the mould material is supplied in the form of loose particles
- B22C 15/26 involving propulsion devices in which the mould material is supplied in the shape of a compacted column or the like