A process of producing foundry moulds and cores from a moulding sand or sand mixture, containing moulding sand, hydraulic cement as a binder, an alkali-metal aluminate, an alkali-metal carbonate and a surface-active material.
申请公布号
US3874885(A)
申请公布日期
1975.04.01
申请号
US19720248380
申请日期
1972.04.28
申请人
LYASS, ABRAM MOISEEVICH;BORSUK, PAVEL AFANASIEVICH;USUBOV, ZOKHRAB GAMID OGLY;KUZENTSOV, VIKTOR GEORGIEVICH
发明人
LYASS, ABRAM MOISEEVICH;BORSUK, PAVEL AFANASIEVICH;USUBOV, ZOKHRAB GAMID OGLY;KUZENTSOV, VIKTOR GEORGIEVICH