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:
Nov. 24, 2015
Filed:
Jun. 14, 2012
Applicant:
Jouko Muona, Tampere, FI;
Inventor:
Jouko Muona, Tampere, FI;
Assignee:
SANDVIK MINING AND CONSTRUCTION OY, Tampere, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 44/02 (2006.01); E21D 9/00 (2006.01);
U.S. Cl.
CPC ...
E21B 44/02 (2013.01); E21D 9/006 (2013.01);
Abstract
A method for designing a drilling plan for rock cavern excavation, which defines in advance for a round to be drilled in a tunnel face at least the locations of drill holes in a predetermined coordinate system, uses the drilling plan created by means of a computer-assisted design program. The method determines pull-out of a round on the basis of the locations of the hole ends and the topography of the rock remaining after a round blast, and designs or modifies the drilling plan for a subsequent round on the basis of the thus determined pull-out.