Method and apparatus for bending glass sheets

    公开(公告)号:US07540173B2

    公开(公告)日:2009-06-02

    申请号:US11349900

    申请日:2006-02-09

    IPC分类号: C03B23/023

    摘要: For bending a glass sheet so that the glass sheet has a compound curvature, an apparatus comprises a furnace including hearth beds on a bed support and a quenching unit provided with upper and lower air blowers. The final hearth bed may have a top surface with a simple curvature, be provided with one upstream corner cut away thereby defining a cut surface section and arranged in such a manner that the cut surface section is nearly parallel to the hearth bed adjacent to the final hearth bed. Alternatively, the final hearth bed may have a top surface with a compound curvature, so that the glass sheet is bent under the conditions set by controlling a temperature in a downstream part of the furnace, adjusting the inclination of the lower air blower and/or rotating final hearth bed so as to reverse the upstream and downstream ends thereof.

    Method and apparatus for bending glass sheets

    公开(公告)号:US20060123847A1

    公开(公告)日:2006-06-15

    申请号:US11349900

    申请日:2006-02-09

    IPC分类号: C03B40/02

    摘要: For bending a glass sheet so that the glass sheet has a compound curvature, an apparatus comprises a furnace including hearth beds on a bed support and a quenching unit provided with upper and lower air blowers. The final hearth bed may have a top surface with a simple curvature, be provided with one upstream corner cut away thereby defining a cut surface section and arranged in such a manner that the cut surface section is nearly parallel to the hearth bed adjacent to the final hearth bed. Alternatively, the final hearth bed may have a top surface with a compound curvature, so that the glass sheet is bent under the conditions set by controlling a temperature in a downstream part of the furnace, adjusting the inclination of the lower air blower and/or rotating final hearth bed so as to reverse the upstream and downstream ends thereof.

    Apparatus for manufacturing three-dimensionally curved sheet glass
    14.
    发明授权
    Apparatus for manufacturing three-dimensionally curved sheet glass 失效
    用于制造三维弯曲片状玻璃的装置

    公开(公告)号:US5522912A

    公开(公告)日:1996-06-04

    申请号:US312302

    申请日:1994-09-26

    摘要: A heating furnace for heating a sheet of glass therein houses an array of beds for transferring the sheet of glass successively over the beds in the furnace in a first direction toward an outlet opening of the heating furnace while shaping the sheet of glass complementarily to an upper surface of the beds. Each of the beds has a plurality of hot air ejection holes for ejecting hot air to keep the sheet of glass out of contact with the beds. The beds include a final bed disposed near the outlet opening and inclined upwardly toward the outlet opening. The final bed has an upper panel which is upwardly convex in both the first direction and a second direction transverse to the first direction.

    摘要翻译: 用于加热玻璃板的加热炉容纳一组床,用于将炉玻璃依次在炉中的床上朝向加热炉的出口开口的第一方向转移,同时将玻璃板互补地成形为上部 床面。 每个床具有多个用于排出热空气的热空气喷射孔,以使玻璃板与床不接触。 床包括设置在出口开口附近并朝向出口开口向上倾斜的最终床。 最终床具有在第一方向和横向于第一方向的第二方向上向上凸起的上板。

    Apparatus for bending and tempering glass
    16.
    发明授权
    Apparatus for bending and tempering glass 失效
    用于弯曲和回火玻璃的设备

    公开(公告)号:US4282026A

    公开(公告)日:1981-08-04

    申请号:US118822

    申请日:1980-02-05

    摘要: Sheet glass is heated during conveyance on a conveyor within a furnace. A vacuum holder is positioned within the furnace housing above the conveyor and has a downwardly facing surface with spaced openings in which a vacuum is drawn to receive a glass sheet from the conveyor and support the sheet above the conveyor. The holder surface is disclosed as being both planar and curved and as having a porous cover of ceramic fibers so as to distribute the vacuum and prevent marring of the glass as it is supported. Auxiliary lifters positioned between the rolls or vertical movement of the vacuum holder facilitates glass pickup. A carrier mold ring moves under the supported glass and the vacuum is then terminated so the glass drops onto the ring and bends under the bias of gravity in a manner that allows thin glass to be accurately bent. Subsequently the mold ring is moved from the furnace to a quench unit that temper the bent glass.

    摘要翻译: 在炉内的传送带上输送期间对玻璃板进行加热。 真空保持器位于输送机上方的炉壳体内,并且具有向下的表面,其具有间隔开的开口,在该开口中抽真空以从输送机接收玻璃板并将片材支撑在输送机上方。 公开了保持器表面是平面的和弯曲的,并且具有陶瓷纤维的多孔覆盖物,以便分布真空并防止玻璃被支撑时的损坏。 位于辊之间的辅助升降机或真空支架的垂直运动有利于玻璃拾取。 载体模具环在支撑的玻璃下移动,然后终止真空,因此玻璃落在环上并且在重力偏压下弯曲,从而允许薄玻璃被精确地弯曲。 随后,模具环从炉子移动到淬火单元,该淬火单元调节弯曲的玻璃。

    Position selectable glass surface temperature scanner
    17.
    发明授权
    Position selectable glass surface temperature scanner 失效
    位置可选玻璃表面温度扫描仪

    公开(公告)号:US4201563A

    公开(公告)日:1980-05-06

    申请号:US912666

    申请日:1978-06-05

    申请人: Jack A. Bricker

    发明人: Jack A. Bricker

    摘要: An apparatus and method for tempering glass is described. Glass sheets are passed through a tempering furnace along a predetermined generally horizontal path. The temperature of the sheets is measured by a pivoting pyrometer above the sheets and the furnace is regulated to achieve a zero temperature profile across the plates.

    摘要翻译: 描述了一种用于回火玻璃的设备和方法。 玻璃板沿着预定的大致水平的路径通过回火炉。 片材的温度通过片材上方的枢转高温计测量,炉子被调节以实现跨板的零温度分布。

    Method of tempering glass
    18.
    发明授权
    Method of tempering glass 失效
    温度玻璃的方法

    公开(公告)号:US3847580A

    公开(公告)日:1974-11-12

    申请号:US34330673

    申请日:1973-03-21

    发明人: MISSON G

    IPC分类号: C03B27/048 C03B27/00

    CPC分类号: C03B27/0404 C03B27/048

    摘要: Incidents of breakage in glass sheets during tempering are reduced by conducting the quench operation in steps of which the first is the most severe and the others are accordingly less severe, but still such as not to permit untempering of the surfaces of the glass.

    摘要翻译: 在回火期间玻璃板破裂的事件通过进行骤冷操作而减少,其中第一个是最严重的,其他的相当不那么严格,但是仍然不允许玻璃表面的去除。