A crush or rub is a surface ...", https://en.wikipedia.org/w/index.php?title=Plate_glass&oldid=998679225, Creative Commons Attribution-ShareAlike License, This page was last edited on 6 January 2021, at 14:51. Ending Nov 7 at 5:05PM PST 6d 21h. A technique developed in Great Britain in the 1950s, called the float-glass method, results in an important economy of space. "High temperature glass melt property database for process modeling"; Eds. An over/under grind is an imperfection on the edge. Float Glass – Made by pouring molten glass over a liquid metal bath. Ring in the new year with a Britannica Membership, https://www.britannica.com/technology/plate-glass. Corning makes the glass that covers 6 billion smartphones, tablets, screens and wearables worldwide for Apple, Samsung, LG, Sony, Huawei and a … For flat-screen electronic instrument panels used in aircraft, see. The glass floats to the top and cools with no distortions, eliminating the need for polishing. 14 watching. Plate glass is rolled out, then allowed to float on molten metal as it cools. 5 Cobalt Blue Glass Large Plates Chargers 11 3/4" Excellent Condition. ‘Sheet and plate glass manufacture had developed in the early years of the century by using a combination of drawing, rolling and polishing methods.’ ‘Today, it is the world's second-largest plate glass maker, with annual sales of $5 billion.’ Plate glass was first made in the 17th century in France, after which several improvements in the original batch technique culminated in the Bicheroux process (1918), in which the glass was received by power-driven rollers that then delivered it in thinner sheets of greater length to be sheared into sections and annealed (heated, then cooled, to make it less brittle). Larger sheets of glass were made by blowing large cylinders which were cut open and flattened, then cut into panes. Plate glass definition: Plate glass is thick glass made in large, flat pieces, which is used especially to make... | Meaning, pronunciation, translations and examples It may be written to cover loss from any source except fire or nuclear radiation.…, Polished plate glass, fully tempered polished plate glass, and Plexiglas are the most commonly used glazing materials. The high temperature of the molten metal smooths out any irregularities on the surface, making a flat, even sheet. In glass trade terminology these include "block reek" produced in polishing, "runner-cut" or “over/under grind” caused by edge grinding, or a "sleek" or hairline scratch, as well as "crush" or "rub" on the surface. In the float glass process, a layer of melted glass is poured onto a molten tin surface, forming a smooth, uniformly thin layer. $6.50. You can also use this plate as a practical lid for the serving bowl in the same series. Prefabricated panels of double glazing about 2.5 centimetres (1 inch) thick were first made in the 1940s, although the insulating principle of air trapped between two layers of glass had been recognized much earlier. A runner-cut is a curved scratch caused by grinding. Plate Glass – Rolled molten glass that has been polished to remove distortions, then cut to size. The glass will then polish while it cools down. Plate glass, form of glass originally made by casting and rolling and characterized by its excellent surface produced by grinding and polishing. Prior to the invention of the float process, plate glass was made by grinding large “plates” or ribbons of rough formed glass until it was clear. Available in different diameters and thicknesses from 1/16 in. I made a wooden display cabinet. Made of tempered glass, which makes the plate durable and extra resistant to impact. 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