for treating with gases or degassing, e.g. for de-aerating

Full Title

Moulds; Cores; Mandrels > characterised by means for modifying the properties of the moulding material > for treating with gases or degassing, e.g. for de-aerating

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