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:
Dec. 11, 1984
Filed:
Sep. 17, 1982
Applicant:
Inventors:
Masaru Shono, Toyonaka, JP;
Takahiro Kawakami, Takatsuki, JP;
Toshiyuki Matsumoto, Fujisawa, JP;
Thoru Tamura, Abiko, JP;
Hideki Matsumoto, Matsubara, JP;
Assignee:
Fudo Construction Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
E02B / ;
U.S. Cl.
CPC ...
405 50 ; 405 36 ; 405240 ; 405232 ;
Abstract
A method for uniformly improving a soft ground is proposed. It includes the steps of driving a pipe into the ground, putting sand thereinto and pulling up the pipe gradually while discharging and compacting the sand. In forming the sand piles, the diameter and/or strength of the sand piles are changed according to the soil nature of the ground to be improved to improve the ground uniformly.