发明名称 |
Method for cutting glass rod and cutting device for use therein |
摘要 |
To provide a method and apparatus for parting a glass rod without causing a crack or rupture at a grasped root portion of the glass rod in parting the glass rod for producing a glass preform. The apparatus for parting the glass rod in a predetermined length by grasping both ends of the glass rod 11 is characterized by comprising a supporting unit 18 of Y-character shape for supporting an intermediate position between both ends of the glass rod 11 from the lower part, the supporting unit 18 having a carbon sleeve composed of a cylindrical body that is rotatable around each of two leg portions making up a forked leg portion as an axis, the carbon sleeve being rotatable along with an axial movement of the glass rod.
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申请公布号 |
US2004129027(A1) |
申请公布日期 |
2004.07.08 |
申请号 |
US20030474823 |
申请日期 |
2003.10.15 |
申请人 |
SUGIYAMA TAKASHI;HABASAKI TOSHIMI |
发明人 |
SUGIYAMA TAKASHI;HABASAKI TOSHIMI |
分类号 |
C03B23/045;C03B33/085;C03B37/012;C03B37/014;(IPC1-7):C03B23/045 |
主分类号 |
C03B23/045 |
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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