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:
Feb. 23, 2016
Filed:
Oct. 29, 2012
Applicant:
Ajou University Industry-academic Cooperation Foundation, Gyeonggi-do, KR;
Inventor:
Jang Hoon Kim, Suwon-si, KR;
Assignee:
AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04C 3/00 (2006.01); E04C 3/34 (2006.01); E04C 5/07 (2006.01); E04C 5/06 (2006.01); E04C 5/20 (2006.01); E04B 1/22 (2006.01); E04C 3/36 (2006.01); E04C 5/08 (2006.01); B28B 21/56 (2006.01); B28B 21/82 (2006.01);
U.S. Cl.
CPC ...
E04C 3/34 (2013.01); B28B 21/56 (2013.01); B28B 21/82 (2013.01); E04B 1/22 (2013.01); E04C 3/36 (2013.01); E04C 5/0604 (2013.01); E04C 5/07 (2013.01); E04C 5/08 (2013.01); E04C 5/208 (2013.01); E04B 2103/02 (2013.01);
Abstract
A hollow-core structure including: an inner mold that has a hollow cylindrical shell shape; an outer mold that has a hollow cylindrical shell shape to correspond to the inner mold, and in which the inner mold is disposed to be separated; and a filling member that is filled in a separation space between the inner mold and the outer mold.