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:
Aug. 03, 2010
Filed:
May. 11, 2005
Pierre Aristaghes, Voisins le Bretonneux, FR;
Pierre Longchamp, Villeneuve, FR;
Philippe Autuori, Fontenay Aux Roses, FR;
Patrick Palbras, Bretigny sur Orge, FR;
Pierre Aristaghes, Voisins le Bretonneux, FR;
Pierre Longchamp, Villeneuve, FR;
Philippe Autuori, Fontenay Aux Roses, FR;
Patrick Palbras, Bretigny sur Orge, FR;
Bouygues Travaux Publics, Guyancourt, FR;
Abstract
A tunnel is built in successive sections by a machine suitable for operating at the surface and in immersion that is displaced in the water on the sub-sea soil. This machine includes a fluid-tight working space () for accommodating the personnel and equipment required for construction. Further, this space has a rearward-facing opening for building and erecting a section at the rear of the machine. The forward section of the machine includes a ballastable chamber () which prepares and grades the soil for erection of a section.