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. 01, 2020
Filed:
Feb. 26, 2020
Applicant:
Bouygues Travaux Publics, Guyancourt, FR;
Inventors:
Antoine Thierry Charles Surmont, Voisins-le-Bretonneux, FR;
Quentin Marie Christophe Bonnemaison, Bourg la Reine, FR;
Pierre-Marie Pascal Tierce, Aix-en-Pevele, FR;
Assignee:
BOUYGUES TRAVAUX PUBLICS, Guyancourt, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D 9/10 (2006.01); E21D 9/11 (2006.01);
U.S. Cl.
CPC ...
E21D 9/1046 (2013.01); E21D 9/112 (2013.01);
Abstract
The invention relates to a cutting wheel of a tunnel boring machine comprising at least one material discharge opening (), said discharge opening () being delimited by a circumferential wall (),