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2,931 · Green · "Glass Lights for Street Vaults, Ships, &c." · Page 5 Home  > Prism Glass  > Patent Index  > Page 5

2,931: 5 of 8

Specification A.D. 1856.--Nº 2931. 5 Green's Impts. in Manufacturing Glass Lights for Street Vaults, Ships, &c. curved bar q, q, and can be moved from place to place when desired. At the other end of the bracket there is another hook d, provided with flange at y to receive the rail n, which are secured together by a rivet. Upon the rail n is seen the flanged pulley m, with the strap k, attached to its axle t.     In the Drawing I have shewn my improvement as adapted for ladling glass and conveying it from the furnace to the casting table. It will be readily seen, however, that the same arrangement is, with a slight modification in the position of the rail n, n, equally applicable to the ladling of glass from one furnace to another, and for filling the melting pots in the furnace with unmolten glass and crude materials. In some instances the rail n, n, may be a fixture and the other part moveable, for the purpose of facilitating the removal of the molten glass from one portion of the building to the other.     By my improved apparatus one man can take more glass from the melting furnace to the casting furnace than three men do in the ordinary way, in much less time, and with greater ease; and in making sold rough plate glass one man can take glass enough out of the pot to make large thick lights without the danger of having the glass lapped or double, as is the case when more ladles than one are used. It has also the same advantage in filling large frames for vault lights or friction boxes. The bowls of the ladles can be made different sizes to hold the quantity of glass required for different purposes. (In using this ladle, the operator grasps the cross handle o and directs the bowl, s through the working hole e into the pot of metal, fills the ladle, and then withdraws it from the furnace, and with little exertion rapidly conveys it to the casting plate or furnace.) It is also of great advantage infilling the pots with the mixture to be melted. In the ordinary way of filling the pots large quantities of the mixture is wasted, some falling outside the furnace and is thrown away, and some falling inside the furnace and is melted, and cuts or wears away the front of the furnace and the benches or seiges. Other advantages will be too apparent to the manufacturer of glass to require further description.     Claim.--What I claim, and desire to secure by Letters Patent is,--     First, the above-described improvement in the construction of vault and deck lights and friction boxes, namely, casting or putting the molten glass directly into the metal frame, said frame being in a heated state, and provided with grooves or projections, so that when the frame contracts, on cooling, it shall bind the glass tight.     Second, the employment of a suspended ladle, as above described, or any modification thereof, for facilitating the removal of molten glass or crude