Title:
CONCRETE BLOCK TO BE USED FOR REVETMENT OR THE LIKE AND ITS WORKING TOOL
Document Type and Number:
Japanese Patent JP3484701
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a concrete block in which one horizontal line at the upper and lower joint surface of the concrete blocks does not appear on the whole surface after the completion of block work thereby providing concrete blocks having complicated and irregular geometric patterns and, also as another purpose, to provide a working tool which can easily move the concrete blocks to the job site and also to make the block wall construction easier even though the wall surface is sloped with a delicate angle.
SOLUTION: This concrete block comprises a face portion 1, a stay portion 3 and a drum portion 2 having a wide gap in up-down direction; at almost the central portion of the inner wall surfaces facing each other at the face portion and the stay portion, a linking portion of a projected portion or a recessed portion for block movement, a fitting portion which is fitted by pushing to the projected portion or the recessed portion, a coupling portion 42 coupled to the fittings and extended outside from a gap at drum portion, a suspended portion 43 extended forward of the block coupled to an L-shape almost right angle to the coupling portion, a plurality of suspension angle adjusting holes 47 are provided in the longitudinal direction of the suspended portion and combined with the working tool for the concrete blocks.
Inventors:
Kazu Kumagai
Application Number:
JP2000066011A
Publication Date:
January 06, 2004
Filing Date:
March 10, 2000
Export Citation:
Assignee:
Kazu Kumagai
International Classes:
E02B3/14; E02D29/02; (IPC1-7): E02B3/14; E02D29/02
Domestic Patent References:
JP9310325A | ||||
JP9202586A | ||||
JP60170383U |
Attorney, Agent or Firm:
Eiichi Kohara