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:
Jul. 16, 2013
Filed:
Jan. 13, 2009
Applicant:
Maurizio Siepi, Cesena, IT;
Inventor:
Maurizio Siepi, Cesena, IT;
Assignee:
Soilmec S.p.A., Casena (FC), IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/10 (2006.01); E21B 7/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Equipment for drilling secant holes () includes by an excavating system (, and) and by a guide system (), both of which are set in the hole () being drilled and in a previously made hole (). The two systems are fixed with respect to one another in such a way as to define a pre-set distance between centers of the holes; the excavating system includes a motor () and a bit () connected thereto, and being completely introduced into the borehole.