发明名称 |
Process for the production of a homogeneous ream-free body made of quartz glass |
摘要 |
A process for the production of homogeneous ream-free bodies made of quartz glass or made of a glass having a high content of silicic acid, in which an essentially bar-shaped initial body is twisted about its longitudinal axis in a shaping step to form a twisted body radially homogenized in layers having axial layering. To make it possible to produce homogeneous large-volume bodies, in at least one further shaping step the twisted body is then softened in a heatable mold under a force acting in the axial direction to deform it in a direction transverse to its axial direction into the mold and form a glass bar, the longitudinal axis of which extends essentially perpendicular to the layering. The glass bar is then twisted about its longitudinal axis.
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申请公布号 |
US5443607(A) |
申请公布日期 |
1995.08.22 |
申请号 |
US19930170925 |
申请日期 |
1993.12.21 |
申请人 |
HERAEUS QUARZGLAS GMBH |
发明人 |
ENGLISCH, WOLFGANG;GOY, HEINRICH;SAUERWEIN, PAUL;HITZSCHKE, PETER;SIMMAT, FRITZ;TAKKE, ROLF;STEINER, GERHARD |
分类号 |
C03B19/02;C03B32/00;(IPC1-7):C03B23/04;C03B20/00 |
主分类号 |
C03B19/02 |
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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