B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
B22C 1/18 (2006.01)
Patent
CA 2737334
The present invention relates to a core or foundry sand that can be used for the production of cores and casting moulds for the casting of molten metals, comprising a basic moulding material, coated with a layer of an adhesive agent and a layer of water glass lying over the latter and a water glass content in the range of >= approximately 0.25% by weight to approxi-mately 0.9% by weight in relation to the overall weight of the core and foundry sand.
La présente invention concerne un sable à noyaux ou sable de fonderie utilisable pour produire des noyaux et des moules pour couler des métaux fondus, comprenant une matière première de moule, revêtue d'une couche d'un liant et d'une couche superposée de verre soluble et ayant une teneur en verre soluble de l'ordre d'environ 0,25 % en poids à environ 0,9 % en poids par rapport au poids total du sable à noyaux ou sable de fonderie.
Minelco Gmbh
Smart & Biggar
LandOfFree
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