Title:
LINK CONNECTION BODY, STORAGE DEVICE OF LINK CONNECTION BODY, AND EXPANSION DEVICE FOR GROUND IMPROVEMENT
Document Type and Number:
Japanese Patent JP2019112903
Kind Code:
A
Abstract:
To provide a storage device which can compactly store a link connection body having a specific shape by pin connection, an expansion device for ground improvement using the same, and a link connection body used for the same.SOLUTION: A link connection body 10a includes a main connection link formed by successively connecting a plurality of half-spirit unit link members 1a using a connection member in a rotatable manner, a half-split first end link member 2a connected at one end of the main connection link, and a half-split second end link member 3a connected at the other end of the main connection link, in which the first end link member 2a has a hook-like first engagement part 24a on the tip on an opposite main connection link side, the second end link member 3a has a projecting second engagement part 34a engaged with the first engagement part of the other link connection body on the tip on the opposite main connection link side, and the main connection link and the connection body of the first end link member 2a and the second end link member 3a are abutted on the same member forming a pair and form a part of a hollow tube penetrated into the ground.SELECTED DRAWING: Figure 1
Inventors:
TANAKA HATSUICHI
NAGAISHI MASAHIRO
NAGAISHI MASAHIRO
Application Number:
JP2017249235A
Publication Date:
July 11, 2019
Filing Date:
December 26, 2017
Export Citation:
Assignee:
FUDO TETRA CORP
International Classes:
E02D3/10; B25J18/06; E02D3/12
Attorney, Agent or Firm:
Patent Business Corporation Ashitaba International Patent Office