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.

Date of Patent:
Nov. 09, 1982

Filed:

Apr. 21, 1980
Applicant:
Inventors:

Pierre Lemercier, Saint Martin le Vinoux, FR;

Paul Marchal, Gif-sur-Yvette, FR;

Jean-Pierre Moreau, De Panne, BE;

Jean Vertut, Issy les Moulineaux, FR;

Henri Ligozat, Saint Egreve, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21C / ; E02F / ;
U.S. Cl.
CPC ...
37 54 ; 37 56 ; 37 69 ; 37DI / ; 114313 ; 114321 ; 114338 ;
Abstract

A submarine vehicle for collecting and raising materials resting on the sea bed at great depths, of the type comprising a load-bearing structure, collecting elements for the materials, storage silos for storing the materials collected and/or the ballast material, transfer means between said collecting elements and said silos, and main propellers for advancing the vehicle on the sea bed, said vehicle being characterized in that said load-bearing structure is made of a buoyancy material, said structure being in the form of a ring having a longitudinal plane of symmetry and defining the stem, stern and sides of said vehicle, and defining between them a free central space, the outer surface of said structure forming the hull of said vehicle, said storage silos being arranged in the free central space and fixed to said load-bearing structure, said collecting elements being arranged in front of and below said stem, said main propellers also being fixed to the lower surface of said load-bearing structure.


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