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:
Jan. 05, 2016
Filed:
Oct. 24, 2013
Applicant:
Rusmar Incorporated, West Chester, PA (US);
Inventor:
Ricky VanBuren, LaPlata, NM (US);
Assignee:
Rusmar Incorporated, West Chester, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21F 5/08 (2006.01); E21F 5/10 (2006.01); E21F 5/12 (2006.01); E21F 5/14 (2006.01); E21F 5/16 (2006.01); E21F 5/18 (2006.01); E21F 5/20 (2006.01);
U.S. Cl.
CPC ...
E21F 5/10 (2013.01);
Abstract
Rock dust is applied to a mine wall for mine fire suppression in combination with a chemical foam, by generating the foam from air and a foamable liquid in a mixing chamber, and delivering the foam through one flexible conduit and a suspension of rock dust in water through another flexible conduit to a combiner, and causing the combined foam, rock dust and water to pass through a flexible hose to a delivery nozzle from which it is applied to a mine wall.