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    • 5. 发明申请
    • METHOD FOR SHAPING REGIONS ON A GLASS RIBBON
    • 在玻璃纤维上形成区域的方法
    • WO2010099304A2
    • 2010-09-02
    • PCT/US2010025390
    • 2010-02-25
    • CORNING INCDANNOUX THIERRY LWANG LIMING
    • DANNOUX THIERRY LWANG LIMING
    • C03B18/02C03B17/06C03B18/04
    • C03B17/068C03B17/065C03B17/067
    • A method of shaping a region (26) on a glass ribbon (20), the glass ribbon including a softening point, and a thickness (24). The method includes, at a location where the glass ribbon has a viscosity less than or equal to 7x1014 poise: causing the region of the glass ribbon to be at a temperature at or above the softening point temperature; and applying tension (35, 37) to the glass ribbon, across the region, so as to form a necked-down section (27) in the region, wherein the necked-down section has a thickness (28) that is less than the thickness of the glass ribbon on each side of the region. Non-sharp portions (29) may be formed together with the necked-down section. The ribbon may then be broken along the necked-down section to separate portions from one another.
    • 一种在玻璃带(20)上形成区域(26)的方法,所述玻璃带包括软化点和厚度(24)。 该方法包括在玻璃带的粘度小于或等于7×10 14泊的位置处:使玻璃带的区域处于软化点温度以上的温度; 并且在所述区域中向所述玻璃带施加张力(35,37),以便在所述区域中形成缩颈部分(27),其中所述颈缩部分具有小于所述颈缩部分的厚度(28) 玻璃带的厚度在该区域的每一侧。 非锐利部分(29)可以与颈缩部分一起形成。 然后,带可以沿着颈缩部分断开以将部分彼此分开。
    • 8. 发明申请
    • LASER SCORING OF GLASS AT ELEVATED TEMPERATURES
    • 在高温下激光玻璃的分级
    • WO2010138451A3
    • 2011-03-10
    • PCT/US2010035954
    • 2010-05-24
    • CORNING INCABRAMOV ANATOLI AKELLEY MICHAEL TWANG LIMINGZHOU NAIYUE
    • ABRAMOV ANATOLI AKELLEY MICHAEL TWANG LIMINGZHOU NAIYUE
    • B23K26/08B23K26/04B23K26/36C03B33/033C03B33/09H01S3/10
    • C03B33/091C03B33/0215Y02P40/57
    • Laser scoring of individual glass sheets (45, 112) and glass ribbons (27) at elevated temperatures is disclosed. A uniform vent can be created along an intended score line (31, 115) by heating a glass surface (114) with a laser beam (113) up to a temperature in a range whose lower limit (11) is defined by the stress required to maintain propagation of an initial flaw (111) to form the vent and whose upper limit (13) is equal to or less than the strain point of the glass. In certain embodiments, the glass temperature under the laser beam (113) stays within these limits regardless of the background temperature of the glass through the use of flexible laser power control provided by a controller (35) which causes a laser (37) to produce a laser power profile along the score line (31, 115) which varies inversely with the glass temperature gradient. The glass temperature gradient can, for example, be detected in real time using a detector (33), e.g., an infrared camera. By controlling the laser beam power in this way, process margins can be significantly increased during the scoring of individual glass sheets (45, 112) and glass ribbons (27) that exhibit significant glass temperature variations.
    • 公开了单个玻璃板(45,112)和玻璃带(27)在高温下的激光刻痕。 可以通过用激光束(113)加热玻璃表面(114)直到其下限(11)由所需应力限定的范围内的温度,沿着预期刻痕线(31,115)产生均匀的排气口 以保持初始缺陷(111)的传播以形成通气口,并且其上限(13)等于或小于玻璃的应变点。 在某些实施例中,激光束(113)下的玻璃温度通过使用由激光器(37)产生的控制器(35)提供的柔性激光功率控制而与玻璃的背景温度无关地保持在这些限制内 沿着与玻璃温度梯度成反比变化的刻痕线(31,115)的激光功率分布。 玻璃温度梯度可以例如使用例如红外摄像机的检测器(33)实时检测。 通过以这种方式控制激光束功率,在显示显着的玻璃温度变化的单个玻璃板(45,112)和玻璃带(27)的刻痕过程中,可以显着增加工艺边缘。
    • 9. 发明申请
    • FORMING GLASS SHEETS WITH IMPROVED SHAPE STABILITY
    • 具有改进形状稳定性的成型玻璃板
    • WO2008066667A3
    • 2008-08-28
    • PCT/US2007023392
    • 2007-11-08
    • CORNING INCBURDETTE STEVEN RHE LONGTINGKLINGENSMITH LEWIS KWANG LIMING
    • BURDETTE STEVEN RHE LONGTINGKLINGENSMITH LEWIS KWANG LIMING
    • C03B17/06
    • C03B17/064C03B17/065Y10T428/24
    • Systems, methods, apparatus and products relate to display glass from curved glass ribbons, to improve shape stability in glass ribbons, to creation of reduced stress glass ribbons, and to creation of improved shape stability and reduced stress of display glass, which may include forming slightly a curved glass ribbon in a fusion draw machine (FDM). One or more embodiments may include an isopipe having a desired curvature; an isopipe having a desired incline; an offset draw device operable to draw the glass ribbon in an inclined ribbon draw direction; one or more air jets or vacuum operable to apply air pressure to a first side of the glass ribbon, thereby creating a pressure differential on the first side; and/or one or more electrostatic force generators operable to apply electrostatic force to a first side of the glass ribbon, thereby generating an electric field differential across the glass ribbon.
    • 系统,方法,装置和产品涉及从弯曲的玻璃带展示玻璃,以改善玻璃带中的形状稳定性,产生减少应力的玻璃带,以及改善形状稳定性和降低显示玻璃的应力,这可能包括形成 在熔融拉丝机(FDM)中稍微弯曲的玻璃带。 一个或多个实施例可以包括具有期望曲率的等压槽; 具有期望倾斜度的等压槽; 偏移绘制装置,其可操作以将所述玻璃带画成倾斜的色带拉伸方向; 一个或多个空气喷嘴或真空可操作以将空气压力施加到玻璃带的第一侧,从而在第一侧上产生压力差; 和/或一个或多个静电力发生器可操作以将静电力施加到玻璃带的第一侧,由此在玻璃带上产生电场差。