using compacting means

Introduced: September 1968

Full Title

Methods or machines specially adapted for the production of tubular articles > by casting into moulds > using compacting means

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

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B28B 21/12 tamping or ramming the material or the mould elements IPC+CPC Available in IPC and CPC
B28B 21/14 vibrating, e.g. the surface of the material IPC+CPC Available in IPC and CPC
B28B 21/18 using expansible or retractable mould or core elements IPC+CPC Available in IPC and CPC
B28B 21/22 using rotatable mould or core parts IPC+CPC Available in IPC and CPC
B28B 21/36 applying fluid pressure or vacuum to the material (combined with slip-casting B28B21/08) IPC+CPC Available in IPC and CPC