Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
January 12, 2010
Patent Application Number
10513630
Date Filed
April 19, 2003
Patent Primary Examiner
Patent abstract
A method for the production of cores and molds for casting molds, based on a base molding material and an organic or inorganic binding agent and an additive. According to the method, pre-forming substances are used in order to dispense with the use of sizing substances and to prevent the formation of ribs.
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