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Lehr (glassmaking) - Wikipedia In the manufacture of float glass, a lehr oven is a long kiln with an end-to-end temperature gradient, which is used for annealing newly made glass objects that are transported through the temperature gradient either on rollers or on a conveyor belt
Lehr - HORN® GLASS Lehr is an essential part of the glass production line used for cooling the glass ribbon after forming A uniform controlled cooling from about 600 °C to about 60 °C ensures an optimal distribution of residual stresses in the glass ribbon and thus facilitates easy glass workmanship
Lehr | Corning Museum of Glass Later lehrs were long, bricklined, separately heated tunnels through which the glass objects were slowly pushed The glass remained in the lehr for several hours, while it was gradually reheated and then uniformly cooled Today, lehrs work on a conveyor belt system
Lehr - Wikipedia Lehr may refer to: Lehr (glassmaking), a kiln for annealing glass Lehr (surname) Lehr, North Dakota, U S Lehr Infantry Battalion of the Prussian and Imperial German Armies, 1819–1914 Lehr Infantry Regiment of the German Army in World War I Lehr-Brigade (mot ) 900, a German Army brigade during World War II
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