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:
Dec. 18, 1990
Filed:
Nov. 06, 1989
Guido Krumbach, Wuppertal, DE;
Hochtief Aktiengesellschaft Vorm. Gebr.Helfmann, Essen, DE;
Abstract
A reinforcement comprises a group of generally parallel, longitudinally extending, and transversely spaced multifilament cables extending in a concrete mass and each having a pair of longitudinally opposite ends. A respective longitudinally extending resin sheath surrounds each cable between its ends and a plurality of spacers spaced longitudinally along the cables and their sheaths hold same transversely apart with the concrete mass extending between the sheaths. An anticorrosion and antifriction agent inside each sheath surrounds each cable inside the respective sheath between the respective cable ends and a respective anchor braces each cable end against the concrete mass.