Fastening means for roof mats for mine workings

Details Fastening means for roof mats for mine workings Fastening means for roof mats for mine workings

E - Fixed Constructions

21

D

61/66

E21D 11/12 (2006.01) E21D 11/14 (2006.01)

Patent

CA 1072353

ABSTRACT Fastening means for mechanically fastening adjacent portions of mat material for application to the undersurface of a roof of a mine working and comprising a plurality of projecting elements for penetrating the mat material and base means connecting and spacing said projecting elements in longitudinal succession.

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