Title:
UNDERGROUND ANCHOR
Document Type and Number:
Japanese Patent JP2006194034
Kind Code:
A
Abstract:
To increase tension resistance of an underground anchor.
The underground anchor is formed of spiral excavating blades arranged integrally intermittently at the top side of a shaft rod in the longitudinal direction thereof at predetermined intervals. The spiral excavating blades have an auxiliary blade which rotates on the shaft rod side when the shaft rod rotates around its axis in one direction and rotates in the direction of separating from the shaft rod side when the shaft rod rotates in the other direction.
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Inventors:
KATO SUSUMU
UJIHARA KAZUTAKA
SUZUKI OSAMU
UJIHARA KAZUTAKA
SUZUKI OSAMU
Application Number:
JP2005008917A
Publication Date:
July 27, 2006
Filing Date:
January 17, 2005
Export Citation:
Assignee:
ASAHI TEC CORP
International Classes:
E02D5/80
Attorney, Agent or Firm:
Mitsumasa Ishii
Previous Patent: MANHOLE AND ITS CONSTRUCTION METHOD
Next Patent: FIXATION STRUCTURE OF STEEL STUD TO REINFORCED CONCRETE BEAM
Next Patent: FIXATION STRUCTURE OF STEEL STUD TO REINFORCED CONCRETE BEAM