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:
Jul. 18, 2017
Filed:
Feb. 25, 2014
Mitsuishi Taika Renga Co., Ltd., Bizen-shi, Okayama, JP;
Dowa F-tec Co., Ltd., Kume-gun, Okayama, JP;
Dowa Electronics Materials Co., Ltd., Chiyoda-ku, Tokyo, JP;
MITSUISHI TAIKA RENGA CO., LTD., Bizen-shi, Okayama, JP;
DOWA F-TEC CO., LTD., Kume-gun, Okayama, JP;
DOWA ELECTRONICS MATERIALS CO., LTD., Chiyoda-ku, Tokyo, JP;
Abstract
Provided are an inexpensive brick, etc., naturally exhibiting excellent radiation shielding effects, demonstrating high strength while being chemically stable and not including harmful substances, and also being suitable for use in facility in which devices affected by magnetic fields are installed. Manufactured are a brick, etc., for constructing a γ-shielding structure or constructing an X-ray shielding structure, in which a molding material including hematite in a ratio of at least 90% by mass is molded into a predetermined shape to obtain a molded article, and the molded article is fired, whereby the fired molded article is endowed with a bulk density of at least 2.8 g/cm3, and the fired molded article is endowed with a residual magnetization of 1.0 A·m·gor less.