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:
Apr. 01, 1980
Filed:
Jul. 26, 1977
Keiichi Koike, Matsudo, JP;
Hitachi, Ltd., , JP;
Abstract
A mold produced by adding to a molding material consisting mainly of alumina a binder prepared by adding an inorganic water-soluble substance to an alcohol or a mixture of an alcohol and water, kneading and molding the mixture, and then drying the molded mixture has water-solubility and self-hardening property. Further, by suitable selection and combination of the inorganic water-soluble substance and the solvent in the binder, the drying step becomes unnecessary or the molding material shows fluidity at room temperature and a self-hardening water-soluble mold requiring no ramming is obtained.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile