Furnace for Sintering Silica Soot Bodies
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United States of America Patent
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Issued Date -
May 21, 2015
app pub date -
Nov 11, 2014
filing date -
Nov 18, 2013
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Abstract
An apparatus and method are provided for sintering a hollow cylindrical body of porous synthetic silica. The apparatus comprises a hollow mandrel for supporting the body in a horizontal position, and the mandrel is housed within a vacuum furnace having heating elements arranged to surround the body circumferentially along its entire length. The method includes supporting the body on a hollow horizontally-oriented mandrel in a vacuum furnace in which heating elements are disposed surrounding the body, and heating the body by means of the elements to a sintering temperature.
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