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:
Mar. 25, 2014
Filed:
Mar. 04, 2011
Richard K Brow, Rolla, MO (US);
Signo T. Reis, Rolla, MO (US);
Mike Konigstein, Columbia, MO (US);
Genda Chen, Rolla, MO (US);
Richard K Brow, Rolla, MO (US);
Signo T. Reis, Rolla, MO (US);
Mike Konigstein, Columbia, MO (US);
Genda Chen, Rolla, MO (US);
Other;
Abstract
A cementitious composite material wherein glass-coated steel rods are positioned in a cementitious matrix. The glass composition for coating the steel reinforcing rods includes between about 33-45 weight percent SiO, 13.5-19.5 weight percent BO, 3.5-4.6 weight percent AlO, 4.0-13.5 weight percent KO, 5.5-15.5 weight percent ZrO, 8.6-15.9 weight percent NaO, 4.6-5.1 weight percent CaO, 0.6-0.7 weight percent MnO, 1.0-1.0 weight percent NiO, and 1.0-1.1 weight percent CoO. The glass composition is typically in compression on the rods at ambient temperatures, has a coefficient of thermal expansion of between about 12.5 and about 13.5, and has a softening temperature of between about 585 degrees Celsius and about 600 degrees Celsius.