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:
Sep. 13, 1983
Filed:
Oct. 09, 1980
Shinkichi Ohoka, Tokyo, JP;
Sakae Sano, Tokyo, JP;
Toa Grout Kogyo Co., Ltd., Tokyo, JP;
Mitsui Toatsu Chemicals, Inc., Tokyo, JP;
Abstract
This invention relates to an improved stabilizer for excavated surface, and more particularly to a stabilizer for excavated surface which comprises adding at least one of natural cellulose fibers, particularly pulp, defibrated waste paper stock or their mixture to an ordinary stabilizer for excavated surface containing bentonite, etc. as the main component to be used for excavating the ground according to a fluid circulation system. The stabilizer according to the present invention has a good membrane formation ability and good strengthening and reinforcement of the soil structure around the excavated surface and also has a high capacity of suspension and dispersion of the excavated muds and gravels.