Mine seal with electrically non-conductive ties

Details Mine seal with electrically non-conductive ties Mine seal with electrically non-conductive ties

E - Fixed Constructions

21

F

E21F 17/103 (2006.01) E04G 11/06 (2006.01) E04G 17/06 (2006.01) E21F 15/02 (2006.01)

Patent

CA 2654815

A mine seal comprising two spaced apart walls, at least one electrically non-conductive tie extending between the walls and holding them in place against forces tending to separate the walls, and a filler material filling the space between the walls. A form for making such a mine seal is also disclosed.

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