E - Fixed Constructions – 21 – D
Patent
E - Fixed Constructions
21
D
61/66
E21D 15/00 (2006.01) E21D 15/48 (2006.01)
Patent
CA 1247384
A B S T R A C T A support member capable of bearing an axial compressive load may be used as a support in an underground mine. The support member comprises an elongate tube of a flexible plastics material divided by dividing walls of the flexible plastics material into a plurality of compartments running the length of the tube so that the tube divided into compartments has a honeycomb structure. Some or all of the compartments are filled with a particulate filler material such as sand.
500291
Hall Alethea R.m.
Ridout & Maybee Llp
LandOfFree
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