annealing lehr

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• Annealing (glass) — Annealing is a process of slowly cooling glass to relieve internal stresses after it was formed. The process may be carried out in a temperature controlled kiln known as a Lehr. [E. F. Collins (1921) Electrically heated glass annealing lehr.… …   Wikipedia

• Lehr — may refer to: People* Henry Solomon Lehr, the founder of Ohio Northern University * John Lehr (b. 1967), American actor * John C. Lehr (1878 1958), U.S. Representative from Michigan * Justin Lehr, relief pitcher in the Seattle Mariners… …   Wikipedia

• lehr — n. (also leer) a furnace used for the annealing of glass. Etymology: 17th c.: orig. unkn. * * * noun also leer or lear ˈli(ə)r, ˈle(ə)r, ˈlāər ( s) …   Useful english dictionary

• Lehr (glassmaking) — A lehr is a temperature controlled kiln for annealing objects made of glass. The name derives from the German verb lehr meaning to learn and is cognate with the English lere also meaning to learn or acquire knowledge of (something)Shorter Oxford… …   Wikipedia

• lehr — noun A long oven or kiln, often having a moving belt, used for annealing glass …   Wiktionary

• lehr — /lɪə/ (say lear) noun a long tunnel shaped oven for annealing glass. Also, leer, lier, lear. {German: pattern} …  

• industrial glass — Introduction       solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… …   Universalium

• Dealkalization — is a process of surface modification applicable to glasses containing alkali ions, wherein a thin surface layer is created that has a lower concentration of alkali ions than is present in the underlying, bulk glass. This change in surface… …   Wikipedia

• Glossary of glass art terms — A glossary of terms used in Glass art* Cane, rods of glass with color, either single or multiple (see also twistie)* Frit, crushed glass often melted onto other glass to produce patterns and color* Incalmo, Italian decorative glassblowing… …   Wikipedia

• Отжиг стекла — У этого термина существуют и другие значения, см. Отжиг (значения). Отжиг  это процесс медленного охлаждения стекла, нужный для снятия внутренних напряжений в стекле после его создания. Процесс может осуществляться в печи с контролируемой… …   Википедия

• Glass production — Glass is common in everyday life, from glass windows to glass containers. The manufacture of glass for everyday purposes may involve complexity and automation. This article deals with the mass production of glass. Glass container productionGlass… …   Wikipedia