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:
Apr. 28, 2009
Filed:
Mar. 04, 2005
Pasqualino Comacchio, Riese Pio X, IT;
Patrizio Comacchio, Riese Pio X, IT;
Renzo Comacchio, Riese Pio X, IT;
Pasqualino Comacchio, Riese Pio X, IT;
Patrizio Comacchio, Riese Pio X, IT;
Renzo Comacchio, Riese Pio X, IT;
Comacchio S.R.L., Riese Pio X, IT;
Abstract
A drill head for drilling machines having a protective screen for conveying the drilling slurry discharged from the drivers drill rods and related sleeves. A screen constructed according to the principles of the present invention reduces the slurry fallout area in the vicinity of the drilling zone. The screen panel has a generically U-shaped cross section, or in any case such a cross section as to cover wholly or partly at least three sides around the area where the slurry is discharged from the drivers of the drill rod (A) and related sleeve. In one embodiment, the screen panel is coupled to the structure of the drill head by connection supports and translation devices, so to translate the screen panel parallel to the rod and the sleeve.