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    In-lehr press bending using pressurized gas
    1.
    发明公开
    In-lehr press bending using pressurized gas 失效
    Verfahren und Vorrichtung zum Pressbiegen unter Verwendung von Druckgas。

    公开(公告)号：EP0361263A2

    公开(公告)日：1990-04-04

    申请号：EP89117229.8

    申请日：1989-09-18

    申请人： PPG INDUSTRIES, INC.

    发明人： Fisher, Joseph John ,  Reese, Thomas Jonah

    IPC分类号： C03B23/035 ,  C03B23/03

    CPC分类号： C03B23/0305 ,  C03B23/023 ,  C03B23/035 ,  C03B29/08

    摘要： Glass sheets (G) are positioned on a shaping rail (60) of an outline shaping mold (56) for movement through a heating lehr and subsequent preliminary sag bending. The mold with the glass sheet supported thereon is positioned between a pair of vertically aligned pressing molds. The lower mold (58) includes a full surface press face (62) corresponding to the final desired curvature of the glass sheet to be shaped. The upper mold (78) includes a peripheral shaping surface (82) and a chamber defined by the shaping surface. After the lower mold (68) lifts the glass sheet (G) off the outline mold (56) and into engagement with the upper mold (88), gas in the chamber (104) is pressurized to urge those portions of the glass not contacted by the upper mold against the press face (70) of the lower mold.

    摘要翻译： 玻璃板（G）位于轮廓成型模具（56）的成形轨道（60）上，用于通过加热炉，并随后进行预弯曲弯曲。 其上支撑有玻璃板的模具位于一对垂直排列的压模之间。 下模具（58）包括对应于待成形的玻璃板的最终期望曲率的全表面压制面（62）。 上模具（78）包括周边成形表面（82）和由成形表面限定的室。 在下模具（68）将玻璃板（G）从轮廓模具（56）上提起并与上模具（88）接合之后，腔室（104）中的气体被加压以促使未接触的玻璃 通过上模抵靠下模的压面（70）。

    In-lehr press bending
    2.
    发明公开
    In-lehr press bending 失效
    Pressbiegen im Ofen。

    公开(公告)号：EP0300416A1

    公开(公告)日：1989-01-25

    申请号：EP88111555.4

    申请日：1988-07-19

    申请人： PPG INDUSTRIES, INC.

    发明人： Cathers, William Pressley ,  Reese, Thomas Jonah ,  Weiss, Richard Brisbin

    IPC分类号： C03B23/025 ,  C03B23/03

    CPC分类号： C03B23/0305 ,  C03B23/023 ,  C03B23/0252 ,  C03B23/027

    摘要： Glass sheets are positioned on the shaping rail of an outline shaping mold for movement through a heating lehr and subsequent preliminary sag bending. The mold with the glass sheet supported thereon is then positioned between a pair of vertically aligned full surface pressing molds. The lower mold includes selected press surface areas that extend outside the perimeter of the outline mold. As the lower mold raises to lift the glass sheet off the outline mold, selected portions of the shaping rail move outwardly to allow the lower mold to pass through the outline mold. The glass sheet is then pressed between the upper and lower pressing molds.

    摘要翻译： 玻璃板定位在轮廓成型模具的成形轨道上，用于通过加热炉，并随后进行预弯曲弯曲。 然后将其上支撑有玻璃板的模具定位在一对竖直对齐的全表面压模之间。 下模包括延伸在轮廓模具的周边外部的选定的压榨表面区域。 当下模升起以将玻璃板从轮廓模具提起时，成形轨道的选定部分向外移动以允许下模具通过轮廓模具。 然后将玻璃板压在上压模和下压模之间。

    Reverse curvature bending iron
    4.
    发明公开
    Reverse curvature bending iron 失效
    Rahmenbiegeform形容Gegenkrümmung。

    公开(公告)号：EP0418700A1

    公开(公告)日：1991-03-27

    申请号：EP90117403.7

    申请日：1990-09-10

    申请人： PPG INDUSTRIES, INC.

    发明人： Frank, Robert George ,  Reese, Thomas Jonah

    IPC分类号： C03B23/025

    CPC分类号： C03B23/0252 ,  C03B23/027

    摘要： A method and apparatus for controlling the shape of heat softened glass sheets. A pan member is positioned inboard of the shaping rails of a bending iron. The upper surface of the pan member has a curvature corresponding to the final desired shape of a selected portion of the glass sheet. As the glass sheet is heated and sags to conform with the contoured shaping rail, it also sags into contact with the pan member and conforms to its shape.

    摘要翻译： 用于控制热软化玻璃板的形状的方法和装置。 盘构件定位在弯曲铁的成型轨道的内侧。 盘构件的上表面具有对应于玻璃板的选定部分的最终期望形状的曲率。 当玻璃板被加热并且下垂以符合轮廓成形轨道时，它也下沉与盘构件接触并符合其形状。

    In-lehr press bending using pressurized gas
    8.
    发明公开
    In-lehr press bending using pressurized gas 失效
    使用加压气体的雷达压力弯曲

    公开(公告)号：EP0361263A3

    公开(公告)日：1990-10-10

    申请号：EP89117229.8

    申请日：1989-09-18

    申请人： PPG INDUSTRIES, INC.

    发明人： Fisher, Joseph John ,  Reese, Thomas Jonah

    IPC分类号： C03B23/035 ,  C03B23/03

    CPC分类号： C03B23/0305 ,  C03B23/023 ,  C03B23/035 ,  C03B29/08

    摘要： Glass sheets (G) are positioned on a shaping rail (60) of an outline shaping mold (56) for movement through a heating lehr and subsequent preliminary sag bending. The mold with the glass sheet supported thereon is positioned between a pair of vertically aligned pressing molds. The lower mold (58) includes a full surface press face (62) corresponding to the final desired curvature of the glass sheet to be shaped. The upper mold (78) includes a peripheral shaping surface (82) and a chamber defined by the shaping surface. After the lower mold (68) lifts the glass sheet (G) off the outline mold (56) and into engagement with the upper mold (88), gas in the chamber (104) is pressurized to urge those portions of the glass not contacted by the upper mold against the press face (70) of the lower mold.