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. 19, 2013
Filed:
Aug. 12, 2011
Brian Peter Masloff, Westminster, CO (US);
James Edward Pinkley, Aurora, CO (US);
Billy J. Brown, Shady Valley, TN (US);
Steven J. Thorogood, Bristol, TN (US);
John C. Fodor, Arvada, CO (US);
Brian Peter Masloff, Westminster, CO (US);
James Edward Pinkley, Aurora, CO (US);
Billy J. Brown, Shady Valley, TN (US);
Steven J. Thorogood, Bristol, TN (US);
John C. Fodor, Arvada, CO (US);
DSI Underground Systems, Inc, Martinsburg, WV (US);
Abstract
A rock dusting apparatus comprising: a housing; a tank mounted within the housing which comprises a removable top wall member, a sidewall member and a bottom wall member configured to form an internal tank compartment for holding and mixing a rock dust composition; a mixer positioned on the bottom wall member for mixing the rock dust composition; a tank discharge port positioned on the bottom wall member or a lower portion of the sidewall member through which the rock dust composition can be discharged from the tank; a conduit extending from the tank discharge port to a housing discharge port; the conduit comprising a pump for transporting the rock dust composition through the conduit and through a discharge line operatively connected to the housing discharge port; and one or more motors mounted within the housing for powering the mixer and the pump. The apparatus is useful for spraying rock dust compositions for suppressing propagation of a flame and/or fire caused by ignition of coal dust and/or gas within a coal mine.