公开(公告)号：US20200318478A1

公开(公告)日：2020-10-08

申请号：US16802281

申请日：2020-02-26

Applicant: BOUYGUES TRAVAUX PUBLICS

Inventor： Antoine Thierry Charles SURMONT ,  Quentin Marie Christophe BONNEMAISON ,  Pierre-Marie Pascal TIERCE

IPC: E21D9/10 ,  E21D9/11

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), the cutting wheel (3) being characterized in that it further comprises at least one ultrasonic emitter (6) configured to generate a mechanical vibratory motion in a range of ultrasonic frequencies, said emitter (6) being fixed against the circumferential wall (10) so as to transmit the mechanical vibratory motion to the vibrating circumferential wall (10) and to reduce its coefficient of friction.

公开(公告)号：US20190003305A1

公开(公告)日：2019-01-03

申请号：US16020877

申请日：2018-06-27

Applicant: BOUYGUES TRAVAUX PUBLICS

Inventor： Quentin Marie Christophe BONNEMAISON ,  Bastien Simon PAPOT ,  Vincent Stephane Laurent VIALLET

IPC: E21D11/40

Abstract: A trailer of a backup train of a tunnel boring machine includes a rolling means configured to allow movement of the trailer on a circulation route, a chassis including a lower portion including the rolling means and an upper portion, opposite to the rolling means, conveying means, fixed in the lower portion of the chassis, the conveying means being configured to move at least one support along the trailer, the support being configured to transport at least one arch segment along the chassis.