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:
May. 24, 1988
Filed:
Feb. 12, 1986
Applicant:
Inventor:
Tatsuo Morimoto, Ashiya, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02B / ;
U.S. Cl.
CPC ...
173 22 ; 173 49 ; 405 50 ;
Abstract
This invention relates to a method and apparatus for simultaneously driving a plurality of drain boards, radially aligned about a common center, to stabilize and improve terrestrial and submarine foundation soils and submarine soils. This method, using standard width drain boards, can cover a wide absorption and drain area with a relatively small number of drain board driving operations.