PUMPABLE MINE VENTILATION STRUCTURE

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United States of America Patent

SERIAL NO

14627058

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A pumpable mine ventilation stopping wall structure comprised of a pumpable bag having spaced walls of generally parallel nonporous and flexible sheets with the sheets retained in spaced relationship with spaced flexible cross ties. The perimeter of the spaced walls may be closed off with a permeable mesh having a mesh size which will permit restricted flow of cementitious grout therethrough for sealing the wall structure to surrounding rough mine faces. The bag is provided with at least one grout fill port for filling the bag by pumping cementitious grout into the bag.

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Patent Owner(s)

  • HEINTZMANN CORPORATION; ABC INDUSTRIES, INC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bower, Joseph P Morgantown, US 5 18
Breedlove, John J Cedar Bluff, US 8 7
Denver, Erik Keen Mountain, US 7 8
Fleagle, Steven S Syracuse, US 4 22
Proffitt, Tyler Pounding Mill, US 4 4

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