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:
Aug. 05, 2014
Filed:
Oct. 13, 2011
Gerard J. Macneil, Surrey, CA;
David B. Macneil, Surrey, CA;
Gerard J. MacNeil, Surrey, CA;
David B. MacNeil, Surrey, CA;
Other;
Abstract
Apparatus for removing refractory lining the inside of a cylindrical structure comprising a traveler received within the structure and movable along its length and having a securing means, a rotatable nozzle assembly connected to the traveler, the nozzle assembly comprising one or more nozzle lines each terminating in a nozzle head that rotates, the nozzle assembly being configured in a manner that each nozzle head is suitably spaced from the refractory to be able to deliver a jet of fluid under pressure to the refractory, a nozzle rotation means for rotating the nozzle assembly, and a conduit means in fluid communication with the nozzle assembly suitable for delivering a flow of fluid to the nozzle assembly under sufficient pressure to cut the refractory material lining the structure. A method employing the apparatus for removing refractory.