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. 21, 2017
Filed:
May. 06, 2014
Applicant:
Hawkeye Concrete Products Co., Mediapolis, IA (US);
Inventor:
Claudio Subacchi, Mediapolis, IA (US);
Assignee:
Hawkeye Pedershaab Concrete Technologies, Inc., Mediapolis, IA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C 5/08 (2006.01); E01D 19/14 (2006.01); E04C 3/34 (2006.01);
U.S. Cl.
CPC ...
E04C 5/08 (2013.01); E01D 19/14 (2013.01); E04C 3/34 (2013.01); E04C 5/085 (2013.01);
Abstract
A post-tensioning wrap includes a housing having at least one cavity and at least one tendon bonded to the housing. The wrap can be wrapped around the concrete article to equalize compression. Thereafter, a medium is injected into the cavity causing the housing to swell and compression of the concrete article by the tendon.