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:
Nov. 10, 2020
Filed:
Jul. 15, 2016
Herrenknecht Ag, Schwanau, DE;
Jörg Riechers, Zell am Harmersbach, DE;
Herrenknecht AG, Schwanau, DE;
Abstract
The invention relates to a protective element for connecting to a concrete element of a tunnel extension, which has a protective section having a first side facing the concrete element (), on which first side at least one connecting element () is provided for establishing a retaining connection of the protective section to the concrete element (), wherein the protective section is made from at least one plastic material, characterized in that the protective section () has at least one drainage element () through which a fluid can pass from the first side of the protective section () to the opposite side of the protective section () facing away from the concrete element ().