Mining or in situ disintegration of hard material – Processes – Mine safety
Patent
1978-04-11
1980-02-26
Pate, III, William F.
Mining or in situ disintegration of hard material
Processes
Mine safety
299 33, 405296, E21D 2300
Patent
active
041902920
ABSTRACT:
The generation of dust in a longwall mining operation is suppressed by covering the hanging wall of the mine with a plastic sheeting, the sheeting being pinned against the hanging wall by the support units used in the mine and being held in association the support units in the form of a flat package formed by folding the sheeting in a zigzag fashion along its entire length.
REFERENCES:
patent: 4052860 (1977-10-01), Alterman
Johannes Harald
Lewer Hans
Poller Dieter
Seifert Gunther
Chemische Fabrik Kalk GmbH
Pate III William F.
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