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:
Oct. 30, 2001
Filed:
May. 22, 1997
Applicant:
Inventors:
Kazuo Takeda, Osaka, JP;
Akihiko Okamura, Osaka, JP;
Juichi Nakazawa, Osaka, JP;
Akiyoshi Otobe, Osaka, JP;
Assignee:
Konoike Construction Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E02D 5/22 ;
U.S. Cl.
CPC ...
E02D 5/22 ;
Abstract
A durable frost heave damage preventive structure of underground structures applicable easily and at low cost to many different kinds of underground structures. The frost heave damage preventive structure includes a plate-like reaction member (,) provided at the bottom of an underground structure (,) approximately in parallel to a freezing front in the ground.