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Title:
IMPROVED ROCK BOLT STRUCTURE AND CONSTRUCTION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/019409
Kind Code:
A1
Abstract:
The present invention provides an improved rock bolt structure which is installed in a borehole (H) in an excavation face so as to provide reinforcement, the improved rock bolt structure comprising: a rock bolt (100) insertedly installed in a borehole (H); a fixer (200) coupled to the front end of the rock bolt (100); and a pressure fixing part (400) coupled to a head part of the rock bolt (100), wherein, when a combined body of the rock bolt (100) and the fixer (200) is inserted into the borehole (H), the fixer (200) expands so as to tightly adhere to the borehole (H), and the pressure fixing part (400) is coupled to the rock bolt (100) head part which is partially exposed at an entrance of the borehole (H).

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Inventors:
PARK JAE MAN (KR)
RO YOUNG GON (KR)
Application Number:
PCT/KR2023/009938
Publication Date:
January 25, 2024
Filing Date:
July 12, 2023
Export Citation:
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Assignee:
JUNGSUNG ENC CO LTD (KR)
International Classes:
E21D21/00; E21D20/02
Domestic Patent References:
WO2021202944A12021-10-07
Foreign References:
KR100797818B12008-02-01
KR20090099700A2009-09-23
KR101192605B12012-10-18
KR20020077719A2002-10-14
Attorney, Agent or Firm:
SEWON PATENT LAW FIRM (KR)
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