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:
Aug. 25, 2020
Filed:
May. 28, 2018
Applicant:
NV Bekaert SA, Zwevegem, BE;
Inventor:
Dale King, Van Buren, AR (US);
Assignee:
NV BEKAERT SA, Zwevegem, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04C 5/08 (2006.01); E04C 5/01 (2006.01); E04C 5/03 (2006.01); D07B 1/06 (2006.01); D07B 5/00 (2006.01);
U.S. Cl.
CPC ...
E04C 5/08 (2013.01); E04C 5/017 (2013.01); E04C 5/03 (2013.01); D07B 1/068 (2013.01); D07B 1/0693 (2013.01); D07B 5/005 (2013.01); D07B 2201/1032 (2013.01); D07B 2201/2002 (2013.01); D07B 2201/2011 (2013.01); D07B 2205/3025 (2013.01); D07B 2205/3071 (2013.01); D07B 2401/2025 (2013.01); D07B 2501/2023 (2013.01); D07B 2801/12 (2013.01); D07B 2801/18 (2013.01);
Abstract
A pre-stressed concrete structure comprises a steel wire or a steel strand. The steel wire or steel strand has been pre-tensioned before curing of the concrete or grout. The steel wire or steel strand is provided with a zinc coating. The zinc coating has a weight ranging between 70 g/mand 950 g/m. The steel wire or steel strand has an outer surface that is provided with indentions to provide mechanical anchorage points in the concrete structure. The steel wire or steel strand is further provided with a passivation layer in the form of a metal oxide layer.