Mining or in situ disintegration of hard material – Hard material disintegrating machines – With mine roof-supporting means
Patent
1978-10-20
1980-04-08
Purser, Ernest R.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
With mine roof-supporting means
299 11, 299 45, E21C 3520, E21D 1114
Patent
active
041969359
ABSTRACT:
Equipment for laying a layer of wire mesh adjacent to a newly exposed mine roof comprises storage means (10) for a roll of mesh (11) and resilient guide means (12) for guiding the mesh (72) as it unwinds towards the newly exposed mine roof (5).
REFERENCES:
patent: 4099785 (1978-07-01), Groetschel
Coal Industry (Patents) Limited
Purser Ernest R.
Wray James C.
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