| 摘要 |
PCT No. PCT/JP98/00617 Sec. 371 Date May 4, 1999 Sec. 102(e) Date May 4, 1999 PCT Filed Feb. 16, 1998 PCT Pub. No. WO98/41695 PCT Pub. Date Sep. 24, 1998The present invention relates to an improvement of a column base frame which is used for forming a column base which is used for supporting a column during construction of a building. According to the present invention, there is provided a column base frame with an opening prevention tool, wherein the opening prevention tool is mounted between protruding plates of the column base frame assembled by connecting L-shaped corner frames, each comprising fitting holes and cylindrical fitting holes on one end thereof; movable protrusions, inserting protrusions and cylindrical protrusions on the other end thereof; and protruding plates through which through holes are bored. There is also provided a column base frame with an opening prevention tool, wherein the opening prevention tool is mounted between the protruding plates, through which the through holes are bored, of the column base frame assembled by connecting increased frames to L-shaped corner frames.
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