DIFF Subgroup
B22C 15/34 involving pneumatic or hydraulic mechanisms only
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Moulding machines for making moulds or cores, characterised by the compacting mechanism; Accessories therefor > Compacting by different means acting simultaneously or successively, e.g. preliminary blowing and finally pressing > by both pressing and jarring devices > involving pneumatic or hydraulic mechanisms only
CPC:
Moulding machines characterised by the compacting mechanism; Accessories therefor > Compacting by different means acting simultaneously or successively, e.g. preliminary blowing and finally pressing > by both pressing and jarring devices > involving pneumatic or hydraulic mechanisms only
No child classifications to compare. This is a leaf node in both IPC and CPC.