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:
Apr. 23, 1985
Filed:
Apr. 22, 1983
David R Lankard, Columbus, OH (US);
Ribbon Technology, Inc., Gahanna, OH (US);
Abstract
A heavy duty, wear, crack and spall-resistant concrete composite floor tile comprising: a concrete substrate layer containing 4 to 16 volume percent of dispersed, fine metal fibers and, a wear-resistant concrete surface layer containing about 30 to 60 volume percent of wear-resistant, metallic or inorganic aggregate, or 4 to 16 volume percent fine metal fibers, said tile being further characterized in that the layers are bonded to each other by a plurality of metal fibers having one end embedded in and bonded to the substrate layer and the other end embedded in and bonded to the surface layer, and when said surface layer contains said metal fibers, said fibers are present therein in an amount greater than the amount of said fibers in said substrate layer.