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448,993 · Ransome · "Illuminating Panel in Concrete Floors" · Page 2 Home  > Prism Glass  > Patent Index  > Page 2

448,993: 2 of 3

before the cement is flowed around the disks, so that the bars will be embedded in the cement and the latter strengthened in the same manner that I strengthen main floors.     It will be manifest that any shape of glass lens or tile may be employed, and that these illuminating-disks may have flanges or projections to support them properly in the concrete.     If desired, the molds and cores may be made hollow, and the upper ends of the cores being open, the glass disks will rest upon these upper open ends of the cores. A vacuum may then be produced within the molds and cores which will cause a sufficient pressure upon the surfaces of the glass disks to hold them firmly in their seats while the plastic material or concrete is being filled in around them, the molds being afterward removed, as before described.     The great advantage which I claim for my method of manufacture is that the illuminating disks or tiles are molded into their places, so as to form a part of the flooring itself without

any joints or cracks to be afterward kept tight.     The principal part of the flooring may be made of any required thickness for strength, and at the points where light is required the chambers are made from beneath, leaving only such a thickness of flooring at these points as will be necessary to properly support and hold the glass.     Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is--     The monolithic concrete floor having illuminating-panels provided with lenses, said panels being thinner than the body of the floor and strengthened by a net-work of metallic rods embedded therein, substantially as set forth.     In witness whereof I have hereunto set my hand. ERNEST LESLIE RANSOME. Witnesses:     S. H. NOURSE,     H. C. LEE.