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. 17, 2018
Filed:
Mar. 16, 2015
Applicant:
Asahi Kasei Construction Materials Corporation, Tokyo, JP;
Inventors:
Assignee:
ASAHI KASEI CONSTRUCTION MATERIALS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02D 5/28 (2006.01); E02D 5/56 (2006.01); E02D 7/22 (2006.01); E02D 5/22 (2006.01); E02D 5/46 (2006.01);
U.S. Cl.
CPC ...
E02D 5/56 (2013.01); E02D 5/22 (2013.01); E02D 5/28 (2013.01); E02D 7/22 (2013.01); E02D 5/46 (2013.01); E02D 2250/0023 (2013.01); E02D 2300/002 (2013.01); E02D 2300/0029 (2013.01); E02D 2300/0045 (2013.01);
Abstract
There is disclosed a steel pipe pile with spiral blades which is capable of effectively improving comparatively soft ground in which a clay layer and the like are present at deep positions of several ten meters beneath the surface of the ground. A steel pipe pilewith spiral blades comprises a steel pipe pile main bodyand one or more spiral bladesattached to the steel pipe pile main body, and a diameter D of the spiral bladeis set to three times or more as large as a diameter d of the steel pipe pile main body