Title:
PRESSED-IN CONCRETE LEAKAGE PREVENTING STRUCTURE
Document Type and Number:
Japanese Patent JP3814707
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide structure preventing a plug closing a confirmation hole serving also as a steam extraction hole, from being blown off by internal pressure generated in a column steel pipe at the time of filling concrete.
SOLUTION: Pressed-in concrete leakage preventing structure is provided with a belt 1 of specified strength, and a pair of block bodies 3 slidably mounted to the belt 1. A plug 4 for closing a hole Ca formed in a column steel pipe C is disposed on the inner surface of each block body. In the state of the hole Ca being closed with the plug 4, the belt 1 is tightened to prevent the plug 4 from being blown off.
Inventors:
Arima Fuyuki
Application Number:
JP12425798A
Publication Date:
August 30, 2006
Filing Date:
April 17, 1998
Export Citation:
Assignee:
DAIWA HOUSE INDUSTRY CO.,LTD.
International Classes:
E04B1/30; E04G21/02; E04G21/32; (IPC1-7): E04G21/02; E04B1/30; E04G21/32
Domestic Patent References:
| JP5018108A |
Attorney, Agent or Firm:
Taro Sosogi