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PCE
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DIFF Subgroup
B22C 1/14

for separating the pattern from the mould

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds > characterised by additives for special purposes, e.g. indicators, breakdown additives > for separating the pattern from the mould

CPC:

Compositions of refractory mould or core materials; Grain structures thereof (refractory materials in general C04B35/00); Chemical or physical features in the formation or manufacture of moulds > characterised by additives for special purposes, e.g. indicators, breakdown additives > for separating the pattern from the mould

No child classifications to compare. This is a leaf node in both IPC and CPC.