Patent search ap:("CHINA UNIVERSITY OF MINING AND TECHNOLOGY") AND inv:"Ke YANG" Page 1

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发明申请
ANCHORING METHOD UTILIZING SELF-DRILLING AND SELF-ANCHORING EXTENDABLE ANCHOR ROD APPLICABLE TO SOFT AND WEAK COAL ROCKS 审中-公开

公开(公告)号：US20190169987A1

公开(公告)日：2019-06-06

申请号：US15751411

申请日：2017-06-07

Applicant: CHINA UNIVERSITY OF MINING AND TECHNOLOGY

Inventor： Nong ZHANG , Changliang HAN , Ke YANG , Zhengzheng XIE

IPC: E21D20/00 , E21D21/00

Abstract: The present invention provides a self-drilling and self-anchoring extendable anchor rod applicable to soft and weak coal rocks and an anchoring method thereof, which are suitable for supporting soft and weak coal rock mass in roadways.

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