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:
Mar. 06, 1990
Filed:
Mar. 14, 1988
Applicant:
Inventors:
Hideaki Nishio, Okayama, JP;
Akira Matsuo, Okayama, JP;
Katsunori Ito, Bizen, JP;
Keisuke Uemori, Bizen, JP;
Assignee:
Shinagawa Refractories Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428148 ; 428149 ; 428150 ; 428143 ;
Abstract
The present invention provides a two layered refractory plate consisting of a crack-resistant substrate with a grained surface layer embedded thereon. This two layered refractory plate is suitable for use as a shelf plate in a furnace in which the temperatures vary. Cracks due to thermal expansion differences in the material can be prevented.
Nishio, Hideaki. (1990). Two layered refractory plate (U.S. Patent No. 4906509). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4906509
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile