The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 10, 2010
Filed:
Sep. 02, 2005
Günter Weicker, Solingen, DE;
Diether Koch, Mettmann, DE;
Jens Müller, Haan, DE;
Udo Skerdi, Bendorf/Rhein, DE;
Henning Rehse, Wermelskirchen, DE;
Anton Gienic, Hilden, DE;
Reinhard Stötzel, Borken, DE;
Thomas Dünnwald, Köln, DE;
Günter Weicker, Solingen, DE;
Diether Koch, Mettmann, DE;
Jens Müller, Haan, DE;
Udo Skerdi, Bendorf/Rhein, DE;
Henning Rehse, Wermelskirchen, DE;
Anton Gienic, Hilden, DE;
Reinhard Stötzel, Borken, DE;
Thomas Dünnwald, Köln, DE;
AS Lungen GmbH, Bendorf/Rhein, DE;
Abstract
The invention relates to a moulding mixture for producing casting moulds for metalworking, a process for producing casting moulds, casting moulds obtained by the process and also their use. To produce the casting moulds, a refractory mould raw material and a binder based on water glass are used. A proportion of a particulate metal oxide selected from the group consisting of silicon dioxide, aluminium oxide, titanium oxide and zinc oxide is added to the binder. Particular preference is given to using synthetic amorphous silicon dioxide as metal oxide.