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    • 13. 发明申请
    • METHOD AND DEVICE FOR HOMOGENIZING GLASS MELT
    • 用于均质玻璃熔体的方法和装置
    • US20080148780A1
    • 2008-06-26
    • US11957727
    • 2007-12-17
    • Christoph BerndhaeuserFrank-Thomas LentesKarin NaumannHans DuerolfHolger Hunnius
    • Christoph BerndhaeuserFrank-Thomas LentesKarin NaumannHans DuerolfHolger Hunnius
    • C03B5/187
    • C03B5/1875B01F7/00125B01F7/00141B01F7/00258B01F7/00425B01F7/00908B01F7/00975B01F13/1013B01F13/1016B01F13/1022Y02P40/57
    • The invention relates to a method and to a device for homogenizing a glass melt in a melt receptacle, wherein at least one stirring device (10, 11) is disposed in the melt receptacle, which comprises a stirrer shaft (10) and a plurality of stirrer blades (11), and wherein a gap (16) is formed between a wall region of the melt receptacle (2) and the stirrer blades (11).According to the invention, the respective stirring device causes an axial feed action in an inner stirring region (12) between the stirrer shaft (10) and the stirrer blades (11) in order to feed the melt in the stirring region along the stirrer shaft (10). A melt flow brought about by the axial feed action seals the gap (16) against direct passage of the melt.According to the invention, a very high gap width can be achieved, thus preventing the abrasion of materials in the region of the marginal gap. This also reduces the complexity required for adjusting the device. According to the invention, a high level of homogenization can be achieved regardless of the entry point of the inhomogeneities.
    • 本发明涉及一种用于使熔体容器中的玻璃熔体均质化的方法和装置,其中至少一个搅拌装置(10,11)设置在熔体容器中,该搅拌装置包括搅拌轴(10)和多个 搅拌器叶片(11),并且其中在熔体容器(2)的壁区域和搅拌器叶片(11)之间形成间隙(16)。 根据本发明,相应的搅拌装置在搅拌器轴(10)和搅拌器叶片(11)之间的内部搅拌区域(12)中引起轴向进给,以便沿着搅拌器轴 (10)。 通过轴向进给动作引起的熔体流动密封间隙(16)以防止熔体直接通过。 根据本发明,可以实现非常高的间隙宽度,从而防止边缘间隙区域内材料的磨损。 这也降低了调整设备所需的复杂性。 根据本发明,可以实现高均匀化水平,而不考虑不均匀性的切入点。
    • 19. 发明授权
    • Process for the production of an optical lens
    • 制造光学透镜的方法
    • US08025818B2
    • 2011-09-27
    • US12700022
    • 2010-02-04
    • Jochen AlkemperJoe HaydenJosé ZimmerFrank-Thomas LentesSteffen ReichelUlrich Peuchert
    • Jochen AlkemperJoe HaydenJosé ZimmerFrank-Thomas LentesSteffen ReichelUlrich Peuchert
    • B29D11/00
    • G02B3/00G02B5/1852G02B5/1857G02B5/1895G02B27/4211
    • The invention relates to an optical hybrid lens. According to the invention, the lens consists of a substrate (1) that consists of a ceramic having a predetermined shape and at least another material (2), which covers a surface of the substrate (1) at least in certain sections in order to form a lens surface.Use of an optical ceramic as a material enables an additional degree of freedom for adjusting the imaging properties of the hybrid lens. The optical ceramic may have a high refractive index and a low dispersion. The other material can be a material that can be deformed or recast at temperatures that are low in comparison to those of the optical ceramic. In particular the other material can be a low-TG glass or a polymer. The other material is directly applied onto the substrate without a further surface finishing being necessarily required.Other aspects of the invention relate to an optical lens group, an optical image acquisition device, and a process for manufacturing a hybrid lens.
    • 本发明涉及一种光学混合透镜。 根据本发明,透镜包括由具有预定形状的陶瓷和至少另一材料(2)组成的基底(1),其至少在某些部分覆盖基底(1)的表面,以至 形成透镜表面。 使用光学陶瓷作为材料能够提供用于调整混合透镜的成像特性的附加自由度。 光学陶瓷可以具有高折射率和低色散。 另一种材料可以是在与光学陶瓷的温度相比较低的温度下可以变形或重铸的材料。 特别地,其它材料可以是低TG玻璃或聚合物。 另一种材料直接施加到基材上,而不需要进一步的表面处理。 本发明的其他方面涉及一种光学透镜组,光学图像采集装置和用于制造混合透镜的工艺。