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    • 31. 发明申请
    • NANOFIBROUS STRUCTURES AND THEIR USE IN DENTAL APPLICATIONS
    • NANOFIBROUS结构及其在牙科应用中的应用
    • WO2008110538A2
    • 2008-09-18
    • PCT/EP2008052835
    • 2008-03-10
    • UNIV GENTWESTBROEK PHILIPPEVAN CAMP TAMARADE VRIEZE SANDERDE CLERCK KARENBRAEM JANDE DIEU HAKUZIMANA JEANGASANA EMMANUEL
    • WESTBROEK PHILIPPEVAN CAMP TAMARADE VRIEZE SANDERDE CLERCK KARENBRAEM JANDE DIEU HAKUZIMANA JEANGASANA EMMANUEL
    • D01D5/00A61C19/00D04H1/728D04H3/16
    • D01D5/0061D01D5/247D04H1/728D04H3/16Y10T428/249924
    • An electrospinning device is described for producing nanofibrous porous structures. The device comprises three or more neighbouring outlets (11) separated from one another by a distance of at least 4 cm and positioned in a first plane (12). The device also comprises a second surface (13) for receiving output from the outlets. A relative movement between the three or more neighbouring outlets (11) and the second surface (13) can be applied in a first direction and second direction, the second direction being substantially perpendicular to the first direction. The second surface (13) thereby is facing the first plane wherein the outlets are positioned. The device furthermore comprises a voltage source (9) adapted to apply a potential difference between the first surface and the second surface. It furthermore may comprise a recipient for containing a solution or melt to be electrospun from the outlets and comprises a providing means for providing (10) the solution or melt to the outlets. The present invention in one aspect also relates to a teeth whitening system for whitening teeth. The system is based on a nano-fibrous structure for applying to the teeth and also comprises a teeth whitening moiety comprising a bleaching agent. The use of the nano-fibrous structure allows the use of a low viscosity teeth whitening moiety, a good fit of the structure over the teeth, thus allowing to treat the tips of the canine teeth and sticking the device to the teeth whereby the preferred shape of the device when in use can be maintained. The present invention also relates to a corresponding nano-fibrous structure and a method for bleaching teeth.
    • 描述了用于生产纳米纤维多孔结构的静电纺丝装置。 该装置包括彼此分开至少4cm的距离并位于第一平面(12)中的三个或更多个相邻出口(11)。 该装置还包括用于接收出口的输出的第二表面(13)。 可以在第一方向和第二方向上施加三个或更多个相邻出口(11)和第二表面(13)之间的相对运动,第二方向基本上垂直于第一方向。 因此,第二表面(13)面向其中出口定位的第一平面。 该装置还包括适于在第一表面和第二表面之间施加电位差的电压源(9)。 此外,它还可以包括用于容纳从出口静电纺丝的溶液或熔体的接收器,并且包括用于向出口提供(10)溶液或熔化的提供装置。 本发明一方面还涉及一种用于美白牙齿的牙齿美白系统。 该系统基于用于施用于牙齿的纳米纤维结构,并且还包括包含漂白剂的牙齿美白部分。 使用纳米纤维结构允许使用低粘度牙齿美白部分,结构在牙齿上的良好配合,从而允许治疗犬齿的尖端并将装置粘附到牙齿上,由此优选的形状 在使用中可以维护设备。 本发明还涉及相应的纳米纤维结构和漂白牙齿的方法。
    • 36. 发明申请
    • PREFABRICATED LIGHTWEIGHT CONCRETE STRUCTURE INCLUDING COLUMNS
    • 预制轻型混凝土结构包括柱
    • WO2007127205A2
    • 2007-11-08
    • PCT/US2007009948
    • 2007-04-25
    • NATURE S GATE DESIGNS INC
    • KUDRICK JEFFREY M
    • D04H13/00
    • E04C3/30B28B1/32B28B1/52B28B7/0044B28B7/0064B28B7/346B28B7/38Y10T428/249924Y10T428/249928Y10T428/249929
    • Prefabricated, lightweight, modular, concrete structures, such as columns and a variety of end caps, have a strong, chip resistant surface exhibiting ornamental designs that include projections and impressions. The high strength of the surface layer is due to reinforcement of the concrete with alkali resistant short length (0.12S-0.2S inch) glass fibers that allow replication of fine surface details in the column surface. The surface layer is supported by a second glass fiber reinforced concrete layer that incorporates long length (0.5-1.5 inch) alkali resistant glass fibers. In combination, the first and second layers are about 0.25 to 0.5 inches thick, and the lightweight column is readily handled by forklift trucks or economically transported on flat bed trucks without surface chipping or breakage. The modular concrete structures include concrete columns, end caps and arches, as well as other geometrically decorative assemblies. They fit into each other and are conveniently and efficiently assembled in the field to form column-like structures that embody a wide variety of geometrical shapes.
    • 预制的,轻质的,模块化的混凝土结构,如立柱和各种端盖,具有强大的抗碎屑表面,展现了包括投影和印象的装饰设计。 表面层的高强度是由于具有耐碱性短长度(0.12S-0.2S英寸)的玻璃纤维的混凝土的增强,允许在柱表面中复制细小的表面细节。 表层由第二个玻璃纤维增​​强混凝土层支撑,该混凝土层结合了长长度(0.5-1.5英寸)的耐碱玻璃纤维。 组合在一起,第一层和第二层的厚度大约为0.25至0.5英寸,轻型列可以很容易地用叉车处理,也可以在平板车上经济地运输,而不会发生表面破碎或断裂。 模块化混凝土结构包括混凝土柱,端盖和拱门,以及其他几何装饰组件。 它们彼此配合,并且在现场方便且有效地组装以形成体现各种几何形状的柱状结构。