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:
Sep. 13, 1988
Filed:
Apr. 16, 1987
Applicant:
Inventors:
Herve Barthelemy, Croissy-sur-Seine, FR;
Karl Bollinger, Rueil Malmaison, FR;
Michel Brochier, Palaiseau, FR;
Maurice Gau, Maurepas, FR;
Yves Legendre, Balloy, FR;
Assignee:
Soletanche, Nanterre, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
175-6 ; 175 94 ;
Abstract
The invention concerns an arrangement for underwater drilling of foundations, comprising at least one cutter (27) and one pump (29) for discharge of excavated material, and hydraulic motors for driving the said cutter and the said pump. It comprises an hydraulic turbine (16) capable of functioning by means of a fluid such as sea water, and an hydraulaic plant driven by the said turbine and designed for feeding the said hydraulic motors.