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. 05, 1983
Filed:
Oct. 27, 1981
Applicant:
Inventors:
Assignee:
Nippon Oil and Fats Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 89 ; 106 97 ; 106 98 ; 106104 ; 206119 ; 2065241 ; 206525 ; 405258 ; 405259 ; 405260 ; 405261 ; 405263 ; 405266 ;
Abstract
A hydration-expansive crushing cartridge which is prepared by filling a hydration-expansive crushing agent into a container made of a material which allows the permeation or penetration of water and which can be broken by an external force. The cartridge can be charged into holes bored in a concrete structure, a rock bed or the like to crack it regardless of the positioning or the direction of the bored holes and which has a homogeneous crushing capability.