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1. 发明申请

WO2016114779A1 METHOD FOR FORMING A GLASS PREFORM 审中-公开
标题翻译：形成玻璃预制件的方法
公开(公告)号：WO2016114779A1
公开(公告)日：2016-07-21
申请号：PCT/US2015/011515
申请日：2015-01-15
申请人： HERAEUS TENEVO LLC
发明人： LEE, Jong-Won , MA, Qiulin , CHANG, Kai
IPC分类号： C03B33/06 , C03B37/012 , C03B37/014 , C03B37/018
CPC分类号： C03B33/06 , C03B33/105 , C03B37/01225 , C03B37/01228 , C03B37/01466 , C03B37/01861 , Y02P40/57
摘要： A method of forming a glass preform of predetermined length comprises providing a length of glass material to be separated to form a preform length and a remaining length; forming a notch in the glass material; inducing a tensile stress in excess of the tensile strength of the glass in an area adjacent to the notch; and separating the preform length from the remaining length at the notch.
摘要翻译：形成具有预定长度的玻璃预成型件的方法包括提供待分离的玻璃材料的长度以形成预成型件长度和剩余长度; 在玻璃材料中形成切口; 在与凹口相邻的区域中引起超过玻璃的拉伸强度的拉伸应力; 并将预型件长度与凹口处的剩余长度分开。

2. 发明申请

WO2014105478A1 METHODS FOR FABRICATING OPTICAL FIBER PREFORM AND OPTICAL FIBER 审中-公开
标题翻译：用于制造光纤预制和光纤的方法
公开(公告)号：WO2014105478A1
公开(公告)日：2014-07-03
申请号：PCT/US2013/075339
申请日：2013-12-16
申请人： HERAEUS QUARZGLAS GMBH & CO. KG , HERAEUS TENEVO LLC
发明人： FATTAL, Georges, Levon , GANZ, Oliver , CHANG, Kai
IPC分类号： C03B37/012
CPC分类号： C03B37/01211 , C03B37/01245 , C03B37/01248 , Y02P40/57
摘要： A method of manufacturing an optical fiber preform or an optical fiber is provided. The method includes the steps of: (a) providing a glass tube and a glass core rod; (b) inserting the glass core rod into the glass tube to form an assembled body; (c) heating the assembled body to cause the glass tube to collapse on and adhere to the glass core rod; and (d) treating an interface gap between the glass core rod and the glass tube during heating of at least a portion of the assembled body. Treating of the interface gap involves: (i) establishing a vacuum pressure in the interface gap, (ii) increasing a pressure of the interface gap by a treatment gas through the interface gap for a predetermined time, and (iii) re-establishing a vacuum pressure in the interface gap after the predetermined time has elapsed.
摘要翻译：提供一种制造光纤预制棒或光纤的方法。该方法包括以下步骤：（a）提供玻璃管和玻璃芯棒; （b）将玻璃芯棒插入玻璃管中以形成组装体; （c）加热组装体以使玻璃管塌陷并附着在玻璃芯棒上; 和（d）在加热组装体的至少一部分期间处理玻璃芯棒和玻璃管之间的界面间隙。处理界面间隙包括：（i）在界面间隙中建立真空压力，（ii）通过处理气体通过界面间隙增加界面间隙的压力达预定时间，以及（iii）重建经过预定时间之后界面间隙中的真空压力。

3. 发明申请

WO2016024965A1 QUARTZ GLASS ARTICLE AND METHOD FOR FORMING A QUARTZ GLASS OPTICAL COMPONENT 审中-公开
标题翻译： QUARTZ玻璃制品和形成石英玻璃光学元件的方法
公开(公告)号：WO2016024965A1
公开(公告)日：2016-02-18
申请号：PCT/US2014/050868
申请日：2014-08-13
申请人： HERAEUS TENEVO LLC
发明人： CHANG, Kai , FATTAL, Georges, Levon , MA, Qiulin
IPC分类号： C03B37/012 , C03B37/027 , C03B23/207
CPC分类号： C03B37/02736 , C03B23/207 , C03B37/01205 , C03B37/0124 , C03B37/0126 , C03B37/01486 , Y02P40/57
摘要： A method of producing a quartz glass optical component is provided. The method includes providing a cylindrical quartz glass body made of core rod glass and cladding glass. The quartz glass body has a square cut first end having a first outer diameter. The method further includes providing a glass handle having a first end and an opposing square cut second end having a second outer diameter which is between 50% and 110% of the first outer diameter; attaching the square cut end of the glass handle to that of the quartz glass body; and using the glass handle to guide the quartz glass body through a draw furnace. A distortion in a clad-to- core ratio proximate the interface of the cylindrical quartz glass body and the glass handle is less than 5%.
摘要翻译：提供一种石英玻璃光学部件的制造方法。该方法包括提供由芯棒玻璃和包层玻璃制成的圆柱形石英玻璃体。石英玻璃体具有具有第一外径的方形切割的第一端。该方法还包括提供具有第一端和相对的正方形切割第二端的玻璃手柄，该第二端具有位于第一外径的50％至110％之间的第二外径; 将玻璃手柄的方形切割端连接到石英玻璃体的方形切割端; 并使用玻璃手柄通过拉丝炉引导石英玻璃体。靠近圆柱形石英玻璃体和玻璃手柄的界面的包芯比的变形小于5％。

4. 发明申请

WO2016118144A1 FORMATION OF ELONGATED GLASS COMPONENTS WITH LOW BOW USING A GRIPPER DEVICE 审中-公开
标题翻译：使用剥皮装置形成具有低熔点的长边玻璃组件
公开(公告)号：WO2016118144A1
公开(公告)日：2016-07-28
申请号：PCT/US2015/012471
申请日：2015-01-22
申请人： HERAEUS TENEVO LLC , HERAEUS QUARZGLAS GMBH & CO. KG
发明人： FATTAL, Georges, Levon , BEAVERS, James, E. , GANZ, Oliver , CHANG, Kai
IPC分类号： C03B37/012 , C03B23/045 , C03B23/047
CPC分类号： C03B23/045 , C03B23/047 , C03B37/01225 , C03B37/0124 , C03B37/0126 , C03B37/025
摘要： Apparatus and method for producing elongated glass components with low bow. The apparatus may include a heating element to heat a bulk glass component where a strand may be drawn from the bulk glass component in a downward direction and a gripper device including a clamping element to support the strand while pulling or drawing it from the bulk glass component in a linear motion, and a low- friction mounting element attached to the clamping element which allows translational movement of the clamping element in an x-y plane. The gripper device may further be used to reduce bow in the strand while it is being drawn by moving the clamping element on the mounting element in a direction opposite the direction of any measured transverse acceleration.
摘要翻译：用于生产具有低弓的细长玻璃部件的装置和方法。该装置可以包括加热元件以加热块状玻璃部件，其中股线可以从向下的方向从块状玻璃部件拉出;以及夹持器件，其包括夹持元件，以在从大量玻璃部件拉拔的同时支撑该股线以及连接到夹持元件的低摩擦安装元件，其允许夹紧元件在XY平面中的平移运动。夹持装置可以进一步用于在通过沿与任何测量的横向加速度的方向相反的方向将夹紧元件移动到安装元件上而被拉伸时减少股线中的弓。

5. 发明申请

WO2016060646A1 APPARATUS AND METHOD FOR PREFORM OR TUBE DRAWING BASED ON ITS VISCOSITY 审中-公开
标题翻译：基于粘度的预制或管道绘图的装置和方法
公开(公告)号：WO2016060646A1
公开(公告)日：2016-04-21
申请号：PCT/US2014/060403
申请日：2014-10-14
申请人： HERAEUS TENEVO LLC
发明人： FATTAL, Georges, Levon , BEAVERS, James E. Jr. , CHANG, Kai , GREEN, Evan, P. , MA, Qiulin
IPC分类号： G01N11/00 , G01N11/02
CPC分类号： G01N11/06 , C03B23/047 , C03B23/0473 , C03B37/0124 , C03B37/01242 , C03B2205/40 , G01N11/00 , G01N11/02 , G01N11/04 , G01N11/08 , G01N2011/006
摘要： Methods for preform and tube draw based on controlling forming zone viscosity determined by calculating a holding force exerted by the glass component in the forming zone on the strand being drawn below. The holding force may be calculated by determining a gravitational force applied to the strand and a pulling force applied to the strand by a pulling device, where the holding force is equal to the opposite of the algebraic sum of the gravitational and pulling forces. The holding force may also be calculated by measuring a stress-induced birefringence in the strand at a point between the forming zone and the pulling device, determining an amount of force applied to the strand at the point corresponding to the birefringence, and calculating the holding force by correcting the amount of force for a gravitational effect of the weight of the strand between the forming zone and the point.
摘要翻译：基于控制成形区粘度的预成型件和管拉拔的方法，其通过计算由在下面被拉伸的线材上的成形区域中的玻璃部件施加的保持力而确定。夹持力可以通过确定施加到绞线的重力和通过牵引装置施加到绞合线的拉力来计算，其中保持力等于重力和拉力的代数和的相反。夹持力也可以通过测量在成形区域和牵引装置之间的点处的股线中的应力引起的双折射来确定在对应于双折射的点处施加到股线的力的量，并计算保持力通过校正在形成区域和点之间的股线的重量的重力作用的力的量的力。

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