| 摘要 |
1,024,950. Scaffolding. BETEILIGUNGSUND PATENTVERWALTUNGSGESELLSCHAFT. July 3, 1964 [July 4, 1963; Nov. 8, 1963], No. 27578/64. Class E1S. [Also in Division F4] For the repair of the lining of a metallurgical converter 3, a working platform 1 mounted on a lifting mechanism 32 on a travelling scaffold 2 may be enlarged after insertion through the bottom opening 4 by brackets 5 extending radially of the platform and covered with appropriately sized trapezoidal plates 15, Fig. 4 (not shown). The brackets 5, Fig. 2 (not shown), comprise plates 11 and 12 separated by angle members: 14 and provided with interengaging hook 6 and pins 10, the structure being completed by bolts passing through plates 11 and 12 and flanges 151 on the cover plates. The upper parts 33 of the lining are repaired from an auxiliary platform disposed on platform 1. |
