| 摘要 |
1,250,354. Roof elements and roofs therefrom. J. G. SCHMIDT. 19 Nov., 1968 [8 Dec., 1967], No. 54857/68. Heading E1W. A roof element or a roof slopes downwardly and inwardly towards the central portion of the roof or element, Fig. 1 and 2 show a bungalow having a roof comprising four panels 10, 11, 12, 13 sloping inwardly and downwardly to a drainage box 14 from which a pipe 15b leads off. A grid may be placed over the drainage box to prevent leaves &c entering the box. The pipe 151b may be in several parts. |
