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UNITED STATES PATENT OFFICE
GUSTAVE FALCONNIER, OF NYON, VAUD, SWITZERLAND.

GLASS BUILDING-BLOCK.
First: DE41,773 · Falconnier · "Flaschenartige Hohlkörper aus geblasenem Glas zur Herstellung und Bekleidung von Wänden" · Page 1 Last: CH41374 · Falconnier · "Construction en briques soufflées en verre" · Drawing Prev: CH212 · Falconnier · "Briques en verre soufflé avec cachets de verre fermant l'ouverture ayant servi à la soufflure" · Page 1 Next: CH7754 · Falconnier · "Brique-verre pour réflecteurs" · Page 1 Navigation
Gustave Falconnier
5 of 8

SPECIFICATION forming part of Letters Patent No. 402,073, dated April 23, 1889.
Application filed June 25, 1887. Serial No. 242,532. (No model.) Patented in France November 11, 1886, No. 179,595;
in Germany March 14, 1887, No. 41,773; in Belgium April 15, 1887, No. 77,079, and in England April 19, 1887, No. 5,723.

To all whom it may concern:
    Be it known that I, GUSTAVE FALCONNIER, a citizen of Switzerland, residing at Nyon, Vaud, have invented certain new and useful Improvements in Glass Building Material and the Method of Using the Same, (the same having been patented in foreign countries, as follows, to wit: in France November 11, 1886, No. 179,595; in Germany March 14, 1887, No. 41,773; in Belgium April 15, 1887, No. 77,079; in England April 19, 1887, No. 5,723;) and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.
    Figure 1 is a top view of a number of bricks embodying my invention. Fig. 2 is a reverse or bottom view of parts of three bricks. Fig. 3 is a section of the metallic clamping devices taken on line O P, Fig. 5, looking toward the right of Fig. 5. Fig. 4 is a section on G H, Fig. 2. Fig. 5 is a section of Fig. 3 on line M N. Fig. 6 is a section on line I K, Fig. 2. Figs. 7 and 8 show modifications. Fig. 9 is a detached view in two positions of the clamp shown in Figs. 1 to 6. Fig. 10 is a central vertical section of parts of three bricks under a modification. Fig. 11 shows a plan view of a modification on a reduced scale. Figs. 12 and 13 are detached views of Fig. 11, Fig. 13 being taken on line x x, Fig. 11. Figs. 14, 15, and 16 illustrate other modifications. Fig. 17 shows another modification.
    It is well known that under the improved modes of making glass its production has been greatly cheapened and its toughness improved, whereby it has become better adapted for use in the construction of the ornamental parts of buildings, particularly for window-sills, the covering of façades, and in the construction of the walls of various structures-- such as hot-houses, vaults, trellises, and in bathrooms-- for roofs, and for any other purposes where it is adapted to take the place of any of the vitreous, earthenware, or other compositions of material which it is adapted to supercede.
I propose to cast to blow these bricks in any convenient or ornamental shape which may be desired, and to color them either in the mass or by coating or covering them inside or outside in full or in part with layers of metal or paint; or I propose to change their appearance by filling or partially filling them with some material after they have been formed into shape. I also propose to produce upon their surfaces ornamental or other designs by the use of sand-blast or other cutting or engraving processes, or by the employment of acids or any of the well-known means commonly employed among glass-workers. By making such bricks or blocks hollow, especially when they are made air-tight, they possess several advantages over other materials, being cheap, light, durable, and ornamental. Further, by reason of their inclosing and confining air in a state of rest they serve as non-conductors of heat.
    Referring to the drawings, A is the outer face, A' the inner face, and B the edge of one of these bricks. The outer or inner face, or both, may be either flat or convex, as preferred, and the opening c may be closed by any of the well-known processes. When desired, the inner face or the outer face may have applied thereto some coloring material, as above indicated, and which is illustrated at a as being a pigment and at a' as being some colored material adapted to be introduced through the opening c, and which will change the appearance of the brick, because of the walls of the latter being transparent or semi-transparent.
    The edges of the bricks are curved, recessed, or ribbed and grooved, as indicated, to receive a suitable cement, C, of plastic material of such character that after it has hardened it will constitute a suitable frame or setting to keep adjacent bricks in position relatively to each other. In order, however, to insure their remaining in proper position, I propose to strengthen or re-enforce this setting by the use of metallic strips, rods, bars, or other fasteners, several forms of which I have shown in the drawings. For instance, in Figs. 1 to 9, inclusive, R indicates flat or corrugated strips of metal pierced with holes to receive the cement.
    At the points of intersection or joining of