| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method of manufacturing stairs capable of dispensing with a stringer or a bridge board, and building up the stairs even by a small number of workers without using heavy equipment such as a crane. SOLUTION: First of all, a landing area 2 is formed as a stair high stage part at a high side in a place where the stairs U1 is manufactured, for example, a position of a second floor, in manufacturing the stairs U1. Then, the stair component materials 1A, 1B... are successively mounted toward a lower stage from the landing area 2 to manufacture the stairs U1.</p> |
