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:
Feb. 28, 1989
Filed:
Dec. 09, 1987
Applicant:
Inventors:
Shiro Ishii, Zushi, JP;
Hachiro Kubota, Tokyo, JP;
Toshiharu Hida, Koshigaya, JP;
Junichiro Migita, Yokohama, JP;
Assignee:
Onoda Cement Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F42B / ;
U.S. Cl.
CPC ...
102333 ; 102312 ; 102313 ; 299 13 ;
Abstract
An expansive demolition agent prepared by crushing a clinker for manufacturing powdered expansive demolition agent obtained by sintering, which is capable of hydrating and expanding in a hole drilled in a brittle material to demolish the brittle material, the maximum particle diameter of the agent being one-third or less the diameter of the hole, and containing 10% or less of fine particles having a particle diameter of 0.3 mm or less.
Ishii, Shiro. (1989). Expansive demolition agent (U.S. Patent No. 4807530). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4807530
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile