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Patent Searching and Data


Title:
EQUIPMENT FOR DRILLING SECANT HOLES
Document Type and Number:
WIPO Patent Application WO/2009/090034
Kind Code:
A3
Abstract:
Equipment for drilling secant holes (2) constituted by an excavating system (3, 14, 4, 16, and 17) and by a guide system (7, 8), both of which are set in the hole (2) being drilled and in a previously made hole (2'), the two systems being fixed with respect to one another in such a way as to define a pre-set distance between centres of the holes; the excavating system comprising a rotation means (3) and a bit (4) connected thereto, and being completely introduced into the borehole.

Inventors:
SIEPI MAURIZIO (IT)
Application Number:
PCT/EP2009/000145
Publication Date:
February 14, 2019
Filing Date:
January 13, 2009
Export Citation:
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Assignee:
SOILMEC SPA (IT)
SIEPI MAURIZIO (IT)
International Classes:
E02D5/18
Foreign References:
EP0580264A11994-01-26
Attorney, Agent or Firm:
LOTTI, Giorgio c/o (IT)
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