发明名称 Method of scoring glass using a scoring wheel having an arcuate scoring surface
摘要 Pieces of glass are scored using a scoring wheel having a major radius (R1) and an arcuate scoring surface (R2) forced against the piece at a predetermined pressure. Thereafter, the score is opened by applying heat to the score and/or a bending moment about the score.
申请公布号 US4057184(A) 申请公布日期 1977.11.08
申请号 US19750615149 申请日期 1975.09.19
申请人 PPG INDUSTRIES, INC. 发明人 MICHALIK, EDMUND R.
分类号 C03B33/09;C03B33/10;(IPC1-7):C03B33/02 主分类号 C03B33/09
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