| 摘要 |
PROBLEM TO BE SOLVED: To provide a build-up simplified stairs having excellent build-up workability. SOLUTION: This build-up simplified stairs 1 is composed of: a pair of side plates 11, 11 disposed with gradients; a tread 12 fitted in a fitting recess 110 formed in the side plate 11; and a support girder 13 and/or a base plate 14 supporting the side plate 11 and the tread 12 from the back. In the fitting recess 110, an opening 112 is formed in the rear of the side plate 11 for allowing the tread 12 to be fit in from the back of the side plate, and a small inclined part 111 is formed in a forward part. The tread 12 has a fitting recess 121 fitted in the fitting recess 110 at both ends. The fitting recess 121 has a small inclined part 111, and adhesive reservoirs 127, 128 and 129 are formed in the small inclined part 111. COPYRIGHT: (C)2004,JPO&NCIPI
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