OPTICAL FIBER GLASS BASE MATERIAL MANUFACTURING APPARATUS AND SINTERING METHOD
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United States of America Patent
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Issued Date -
May 12, 2016
app pub date -
Nov 9, 2015
filing date -
Nov 10, 2014
priority date (Note) -
Abandoned
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Abstract
Provided is an optical fiber glass base material manufacturing apparatus, including a furnace core tube that houses a porous glass base material; a movement mechanism that moves the porous glass base material in a longitudinal direction thereof in the furnace core tube; a first heating section that heats and dehydrates the porous glass base material in the furnace core tube; and a second heating section that is arranged downstream from the first heating section in a movement direction of the porous glass base material, and sinters the porous glass base material by heating a portion of the porous glass base material in the longitudinal direction.
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