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Patent Searching and Data


Title:
ROCK ANCHOR ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2011/118948
Kind Code:
A1
Abstract:
The present invention relates to a rock anchor assembly, which enables easy removal of steel wires and fixing of locker blocks in an insertion hole with uniform pressure. The rock anchor assembly comprises: a fixing block (110) that is inserted into an insertion hole (20); locker blocks (130) that move vertically on the fixing block (110) and come into close contact with the inner wall of the insertion hole (20); a moving block (120) that moves the locker blocks (130) vertically; and pulling blocks (14) that moves the moving block (120). The present invention enables the removal of steel wires (160), which avoids contamination of a rock quarry, and resolves the inconvenience of having to remove the steel wires (160) when a rock is cut at a later time.

Inventors:
NA BYONG KWON (KR)
Application Number:
KR2011/001936
Publication Date:
September 29, 2011
Filing Date:
March 21, 2011
Export Citation:
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Assignee:
JANG PYOUNG CONSTRUCTION CO LTD (KR)
NA BYONG KWON (KR)
International Classes:
E02D5/80; E02D17/20
Foreign References:
KR100814107B12008-03-14
KR100948244B12010-03-18
JPH1113070A1999-01-19
JP2005336912A2005-12-08
Attorney, Agent or Firm:
LIM CHANG JU (KR)
임창주 (KR)
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Claims: