Wire saw excavation apparatus capable of changing cutting line in accordance with cutting section and tunnel excavation method using same

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United States of America Patent

PATENT NO 11472063
APP PUB NO 20210348510A1
SERIAL NO

17381099

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Importance

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Abstract

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The present invention relates to a wire saw excavation apparatus that is installed on a plurality of entry holes, where the plurality of entry holes are drilled according to a cutting section of a target surface of rock to be excavated so that the target surface is excavated by using wire saws. The wire saw excavation apparatus mounts N number of pulleys on one entry arm to cut the rock in N number of directions all at once.

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Patent Owner(s)

Patent OwnerAddress
CHOI ICK JUN55KIWI CRESCENT RICHMOND HILL ONTARIO L4S2H6

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, In Hwan Concord, CA 673 13456

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