发明名称 BENDING GLASS SHEETS BETWEEN A BOTTOM OUTLINE MOLD AND AN UPPER VACUUM PRESS FACE
摘要 Method and apparatus for shaping one or more glass sheets by supporting the glass sheet(s) on an outline mold having an upwardly facing outline shaping surface constructed and arranged to support the glass sheet's perimeter, heat sagging said glass sheet to conform its periphery to the upwardly facing outline shaping surface and continuing to support said sagged glass sheet on the outline shaping surface while simultaneously engaging the upper major surface of the heat softened glass sheet throughout essentially its entire extent against the downward facing full-faced shaping surface of a vacuum mold to develop a final desired shape onto the glass sheet.
申请公布号 CA2058729(A1) 申请公布日期 1992.08.12
申请号 CA19922058729 申请日期 1992.01.03
申请人 PPG INDUSTRIES, INC. 发明人 REESE, THOMAS J.
分类号 C03B23/03;C03B23/035;(IPC1-7):C03B23/035 主分类号 C03B23/03
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