Protective element with drainage, for connecting to a concrete element of a tunnel extension
US10830043B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 15, 2016 |
| Grant date | Nov 10, 2020 |
| Priority date | — |
| Expiry date | Jul 15, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D11/38
- WIPO fieldCivil engineering
- WIPO sectorOther fields
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 (10), on which first side at least one connecting element (17) is provided for establishing a retaining connection of the protective section to the concrete element (10), wherein the protective section is made from at least one plastic material, characterized in that the protective section (20) has at least one drainage element (40) through which a fluid can pass from the first side of the protective section (20) to the opposite side of the protective section (20) facing away from the concrete element (10).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.