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. 30, 1991
Filed:
May. 01, 1990
Shigeyuki Akihama, Kanagawa, JP;
Mikio Kobayashi, Tokyo, JP;
Tatsuo Suenaga, Tokyo, JP;
Toshiyuki Fukumoto, Tokyo, JP;
Yoshikazu Taniguchi, Tokyo, JP;
Hiroaki Nakagawa, Tokyo, JP;
Kajima Corporation, Tokyo, JP;
Abstract
A curtain wall building panel having a metal frame secured to the reverse side of a concrete panel with flexible anchors. A 3-D braid is formed in such a manner that non-metallic fibers are braided in the three directions at a pitch of 5 mm or more and have a self-supporting characteristic. The braid is embedded in the concrete panel and the front ends of the flexible anchors are secured to cell spaces in the 3-D braid. The curtain wall exhibits excellent bending strength, can be easily manufactured and can be used for exterior finish of multistory buildings. A method of making the building panel is also disclosed.