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:
Jun. 14, 2016
Filed:
Feb. 17, 2005
Applicants:
Lars Wingeier, Suezach, CH;
Otto Tschumi, Frauenfeld, CH;
Inventors:
Lars Wingeier, Suezach, CH;
Otto Tschumi, Frauenfeld, CH;
Assignee:
Atlas Copco Rock Drills AB, Ă–rebro, SE;
Primary Examiner:
Int. Cl.
CPC ...
B05B 1/20 (2006.01); E21D 11/10 (2006.01);
U.S. Cl.
CPC ...
E21D 11/105 (2013.01);
Abstract
The invention relates to an apparatus for coating the inner surface of a tunnel section with sprayed concrete, comprising a spray lance b) () and a spray nozzle a) () which can each be moved in all directions by means of joints, a first control device k) for the operation of the spray lance b) () and a second control device l) for the operation of the spray nozzle a) () being provided.