发明名称 |
BURNER FOR CHEMICAL VAPOUR DEPOSITION OF GLASS |
摘要 |
<p>A burner for a vapour deposition process has a central nozzle for ejecting a glass precursor material, at least a crown of nozzles surrounding said central nozzle for ejecting a flame reactant, and a circular nozzle between said central nozzle and said crown of nozzles for ejecting an innershield gas, wherein the central nozzle has a concave shape in a cross section in the axial plane and, preferably, a symmetry about an axial plane.</p> |
申请公布号 |
EP1572593(B1) |
申请公布日期 |
2009.11.11 |
申请号 |
EP20020798354 |
申请日期 |
2002.12.20 |
申请人 |
PRYSMIAN S.P.A. |
发明人 |
COGNOLATO, CARLO;MOLE', FRANCESCO;DEMERGAZZI, ANDREA;VERONELLI, FRANCO |
分类号 |
C03B19/14;C03B37/014;C23C16/00;C23C16/453;F23D99/00 |
主分类号 |
C03B19/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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