发明授权
- 专利标题： Multi-stage process and apparatus for refining glass or the like
- 专利标题（中）： 用于精制玻璃等的多级方法和装置
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申请号： US091178申请日： 1987-08-31
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公开(公告)号： US4798616A公开(公告)日： 1989-01-17
- 发明人: Leonard A. Knavish , David R. Haskins
- 申请人： Leonard A. Knavish , David R. Haskins
- 申请人地址： PA Pittsburgh
- 专利权人： PPG Industries, Inc.
- 当前专利权人： PPG Industries, Inc.
- 当前专利权人地址： PA Pittsburgh
- 主分类号： C03B3/02
- IPC分类号： C03B3/02 ; C03B5/03 ; C03B5/04 ; C03B5/185 ; C03B5/10
摘要：
In a method of making glass or the like, wherein the batch materials are liquefied in a distinct zone from the refiner, the liquefied material is heated in an intermediate stage before being fed to the refiner. In preferred embodiments the intermediate stage comprises one or more channels extending from the side of the refiner.
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