CPC E21D 11/006 (2013.01) [E21D 11/152 (2013.01); G01N 3/20 (2013.01)] | 15 Claims |
1. A polymer mesh for securing to a mine strata for skin control, said polymer mesh comprising:
a plurality of polymer strands spaced from and substantially parallel with one another extending in a machine direction;
a plurality of polymer strands spaced from and substantially parallel with one another extending in a cross-machine direction and intersecting the plurality of machine direction polymer strands to create a mesh structure; and
at least one pair of substantially parallel solid bands having a length that extends in one of the machine and cross-machine directions, each of the solid bands being a band that includes a plurality of closely adjacent strands which together function as an uninterrupted single band, the pair of solid bands being separated by a distance of at least the diameter of an applicable bolt to create an elongated reinforced aperture between the bands, said reinforced aperture being traversed by the plurality of polymer strands that run transverse to the direction of the bands.
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