Crib Bag
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United States of America Patent
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Issued Date -
May 16, 2013
app pub date -
Nov 16, 2012
filing date -
Nov 16, 2011
priority date (Note) -
Abandoned
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Abstract
A crib bag is disclosed that includes a one-way fill valve, such as a duck bill valve, and a vent positioned at the top of the crib bag to allow venting of air from the crib bag when the bag is filled with cement compound and as the cement compound solidifies. When the mining crib bag is filled with cement compound, the one-way fill valve and the top vent prevent spillovers and associated hazards.
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Family
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