| 摘要 |
PROBLEM TO BE SOLVED: To improve quality, reduce cost and shorten the time of delivery by facilitating plant production, product inventory control, and the like and further to improve reliability in connecting strength and the maintenance of floor unit frames with simple work execution in connecting the floor unit frames. SOLUTION: The floor unit frame 7 comprises frame members 7a assembled in rectangular shape, and legs 7e fitted to four corners. Each side face of the frame member 7a is provided with through holes 7b. The dimensions of the floor unit frame 7 are made constant, and a plurality of floor unit frames 7 are arranged and connected through the mutually facing through holes 7b by through-bolts 7c and nuts 7d. A floor board 7f is mounted on the upper face of each connected floor unit frame 7.
|
