Title:
PC BLOCK
Document Type and Number:
Japanese Patent JP3657043
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To easily stack PC blocks on top of each other with high accuracy and prevent the easy backward dislocation thereof even upon exposure to a force from placed concrete at the time of constructing a structure by use of many PC blocks and concrete.
SOLUTION: A PC block 8 is formed to have a lower surface 12, an upper surface 4, right and left sides, a downward slope 18 to form a front part, and an upward slope 20 to form a rear part. A positioning recess 22 is formed on the lower surface 12, and an engagement wall 23 is bulged downward from the front part of the lower surface 12. Also, a positioning projection 24 capable of engagement with the recess 22 is formed on the upper surface 14, and a cutout part 25 capable of engagement with the engagement wall 23 is formed on the front part of the upper surface 14.
Inventors:
Shuji Miyazawa
Shinichi Sakemukai
Mikio Okano
Akinobu Kishiyama
Shinichi Sakemukai
Mikio Okano
Akinobu Kishiyama
Application Number:
JP33794195A
Publication Date:
June 08, 2005
Filing Date:
November 30, 1995
Export Citation:
Assignee:
Fujita Co., Ltd.
International Classes:
E02B3/14; E02B7/00; E02B7/02; E02B7/10; E02D29/02; (IPC1-7): E02B7/02; E02B3/14; E02B7/00; E02B7/10; E02D29/02
Domestic Patent References:
| JP5033323A | ||||
| JP7252839A | ||||
| JP54048902A | ||||
| JP7054360A | ||||
| JP1137016A | ||||
| JP58020809A | ||||
| JP58021608U |
Attorney, Agent or Firm:
Shigeru Noda
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