Mine cribbing device and method

Details Mine cribbing device and method Mine cribbing device and method

1991-02-26

1992-09-01

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405258, 405303, E21D 1100

Patent

active

051434849

ABSTRACT:
Novel crib members useful in building cribbing to support roofs in underground mines or in tunnel construction and all other underground excavations where roof and ground control is of concern. These crib members are made by filling an envelope of a reinforced elastomeric material with concrete. In a preferred form used motor vehicle tires are filled with concrete.

REFERENCES:
patent: 3396545 (1968-08-01), Lamberton
patent: 3492823 (1970-02-01), Lamberton
patent: 4465405 (1984-08-01), Durrfeld
patent: 4497597 (1985-02-01), Chlumecky
patent: 4997309 (1991-03-01), Kiselewski
patent: 5024560 (1991-06-01), Reilly
Bureau of Mines Report of Investigations 8804, 1983 (Smelser and Henton).
Bureau of Mines Report of Investigations 9161, 1988 (Barczak and Schwemmer).
Bureau of Mines Report of Investigations 9168, 1988 (Barczak and Tasillo).
Bureau of Mines Information Circular 9217, 1989 (Barczak, Schwemmer and Tasillo).
Commercial Shearing, Inc. Catalog M-12 3MSR5/87.

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