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    • 2. 发明公开
    • process and device for manufacturing flat sheets of a glass-based material
    • 韦尔费恩和Vorrichtung zur Herstellung von flachen Glasscheiben
    • EP1710212A1
    • 2006-10-11
    • EP05290757.3
    • 2005-04-06
    • Corning Incorporated
    • Fredholm, Allan M.Gille, ClaudePierron, ChristopheTellier, Xavier
    • C03B17/06C03B13/00C03B40/04
    • C03B40/04C03B13/00C03B17/06C03B17/064
    • The present invention relates to a process for manufacturing flat sheets of a glass-based material and to a device associated with the process. The process comprises passing a stream of the material (10) through a reservoir (24) comprising a hollow central portion defined and delimited by the porous walls (12) of the reservoir, in which the material accumulates and through which it flows, in an almost steady state and with a limited residence time, any contact between the material and the walls being prevented, the hollow central part of the reservoir having a substantially rectangular, horizontal cross-section whose width decreases continuously from a maximum width D to a minimum width D', in the direction of flow of the material, over at least a portion of the flow path of the material. The drawn glass has a viscosity less than about 10 7 poise at an outlet of the reservoir (24).
    • 本发明涉及一种用于制造玻璃基材料的平板的方法以及与该方法相关的装置。 该方法包括使材料(10)的流通过储存器(24),所述储存器包括由储存器的多孔壁(12)限定和限定的中空中心部分,其中材料积聚并通过其流动, 几乎稳定状态并且停留时间有限,材料和壁之间的任何接触被阻止,储存器的中空中心部分具有基本为矩形的水平横截面,其宽度从最大宽度D连续地减小到最小宽度 在材料的流动方向上,在材料的流动路径的至少一部分上方。 拉制玻璃在储存器(24)的出口处具有小于约10 7泊的粘度。