METHOD FOR DEVELOPMENT OF BOULDER GRAVEL DEPOSITS OF MINERALS Russian patent published in 2009 - IPC E21C41/30 

Abstract RU 2374446 C1

FIELD: mining.

SUBSTANCE: invention is related to mining industry and may be used in overburden and getting operations in gravel deposits of minerals, with application of bulldozer-scraper aggregates. Method includes overburden operations, excavation and transportation of sands by bulldozer-scraper aggregate to enrichment equipment. Primary transportation of sands is carried out to specially prepared or developed space with arranged trench in bedrock along lower edge of bench with creation of slant, and secondary transportation of sands to enrichment equipment is done from slant of bench.

EFFECT: increased efficiency of getting equipment.

3 cl, 4 dwg

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RU 2 374 446 C1

Authors

Kisljakov Viktor Evgen'Evich

Tarasenko Evgenij Andreevich

Brauzman Aleksandr Davydovich

Konnik Andrej Alekseevich

Dates

2009-11-27Published

2008-10-10Filed