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Title:
ANCHORING NUT USED FOR SLOPE STABILIZATION METHOD, AND SLOPE STABILIZATION STRUCTURE AND SLOPE STABILIZATION METHOD USING THE ANCHORING NUT
Document Type and Number:
Japanese Patent JP2013234501
Kind Code:
A
Abstract:

To simplify construction, and to prevent corrosion of a head of a lock bolt for a long period of time.

A metal anchoring nut, which is screwed to a head of a lock bolt 4 projecting from a slope 2 to press a bearing plate 10 from above, includes a pressing surface 23 for pressing the bearing plate 10, and a fastening female screw part 31 for being screwed to the lock bolt 4. A cylindrical sheath part 22 covering the outside of the lock bolt 4 is formed integrally with the pressing surface 23 and under the pressing surface 23 so as to project more downward than the bearing plate 10. In the inner peripheral surface of the sheath part 22, at least a region extending by a predetermined length from the lower end is made as a non-threaded part where the fastening female screw part 31 is not formed.


Inventors:
TERAOKA KATSUMI
KITAMURA YOSHIHIKO
SHIROTA AKIFUMI
HAYASHI HIROAKI
Application Number:
JP2012108025A
Publication Date:
November 21, 2013
Filing Date:
May 09, 2012
Export Citation:
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Assignee:
DAIKA KK
International Classes:
E02D17/20; E02D5/80
Domestic Patent References:
JP2001090493A2001-04-03
JPH09273397A1997-10-21
JP2009108546A2009-05-21
Attorney, Agent or Firm:
Tokuya Iwata