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:
Mar. 01, 1988
Filed:
Oct. 21, 1986
Applicant:
Inventor:
Jarmo Leppanen, Ylojarvi, FI;
Assignee:
Oy Tampella Ab, Tampere, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21D / ;
U.S. Cl.
CPC ...
405260 ; 242 / ; 242129 ; 405261 ;
Abstract
A method of and a device for guiding a wire in the wire bolting of a rock, wherein the wire is passed by means of a feeding mechanism from a wire magazine into a guide head supported by a feeding beam of the drilling equipment therethrough into a hole drilled in the rock. In order to protect the feeding mechanism against damage and dirt and in order to lighten the feeding beam, the wire is pushed into the guide head through a flexible guide pipe in such a manner that the feeding mechanism can be mounted on a carrier.