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.

Date of Patent:
Jun. 25, 1991

Filed:

Dec. 04, 1989
Applicant:
Inventors:

Kenzo Sekijima, Tokyo, JP;

Seiho Kitagawa, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04C / ;
U.S. Cl.
CPC ...
5230916 ; 5230917 ;
Abstract

A pre-stressed concrete member which is mainly composed of (a) first reinforcement members including first fiber strands bound together and extending along a first direction; (b) a second reinforcement member including second fiber strands bound together, extending along a second direction perpendicular to the first direction, the first reinforcement members and the second reinforcement member connected to each other at their intersections so as to form a meshwork thereby, and at least one of the first members and the second member being pre-tensioned; (c) and a concrete body embedding therein the first reinforcement members and the second reinforcement member.


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