| 摘要 |
A multi-layered skylight having an outer element with a central domed portion and a downwardly extending circumferential skirt portion, said outer element comprising a monolayer of a synthetic resin which transmits light, and an inner element of one-piece construction with a central domed portion and a substantially planar circumferential edge portion, said inner element comprising at least two sheets of a synthetic resin which transmits light, said sheets being substantially parallel to one another and having a plurality of supporting elements extending therebetween, said elements being arranged with the planar edge portion of said inner element being within and surrounded by the circumferential skirt portion of said outer element and with the central domed portions of said inner and outer elements being in a substantially parallel spaced relationship to one another. |
