Unclogging of a discharge opening of a tunnel boring machine by ultrasonic waves
US10851650B2 · kind B2 · utility
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13Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 26, 2020 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Feb 26, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D9/112
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a cutting wheel of a tunnel boring machine comprising at least one material discharge opening (5), said discharge opening (5) being delimited by a circumferential wall (10),
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.