Patent 7533509 was granted and assigned to National Taipei University of Technology on May, 2009 by the United States Patent and Trademark Office.
A method for making a reinforcement device for a concrete structure includes the steps of (a) installing a plurality of parallel reinforcement rebars, and (b) embracing the reinforcement rebars with a cable unit by winding the cable unit around the reinforcement rebars. The cable unit has a plurality of wires twisted together.