发明名称 |
APPARATUS AND METHOD FOR BENDING GLASS SHEETS |
摘要 |
An apparatus for shaping heat softened glass sheets includes an upper mold having a full surface press face with a shaping surface generally contoured to the desired curvature of the sheets; a support device to support the sheets below the upper mold; a shaping rail having an upper sheet supporting surfac e that supports selected peripheral portions of the sheets, the sheet supporti ng surface having a profile corresponding to desired elevational contours of th e selected peripheral portions of the sheets and complimenting corresponding portions of the upper mold shaping surface; a chamber positioned below the sheets; a moving device for moving the upper mold and the shaping rail relative to each other so as to press at least a periphery of the sheets against the upper mold shaping surface, and a connector to direct pressurize d gas into the chamber to urge the sheets towards the upper mold press face.</ SDOAB>
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申请公布号 |
CA2506107(C) |
申请公布日期 |
2006.07.11 |
申请号 |
CA20032506107 |
申请日期 |
2003.11.17 |
申请人 |
PPG INDUSTRIES OHIO, INC. |
发明人 |
SAVKA, MARK M.;SCHWARTZ, JAMES H. |
分类号 |
C03B23/03;C03B23/035;C03B35/14 |
主分类号 |
C03B23/03 |
代理机构 |
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