公开(公告)号：US5165543A

公开(公告)日：1992-11-24

申请号：US765639

申请日：1991-09-25

申请人： Robert J. Heyda ,  Rama Iyengar ,  Clyde J. Lever, Jr. ,  John M. Paxton

发明人： Robert J. Heyda ,  Rama Iyengar ,  Clyde J. Lever, Jr. ,  John M. Paxton

IPC分类号： G02B6/00 ,  B65D85/04 ,  B65D85/66 ,  B65H75/14 ,  G02B6/44

CPC分类号： G02B6/4457 ,  B65D85/04 ,  B65D85/66 ,  B65H75/141

摘要： A protected package (20) of optical fiber includes a spool which includes a hub (22) and two spaced flanges (24,26). Optical fiber (23) is wound on the hub with an end of the fiber being accessible to allow the fiber to be tested. A strip (52) of plastic material is wrapped about the spool with longitudinal edge portions (54,54) of the strip overhanging the flanges to provide a cover (50). The protected package permits withdrawal of the fiber through a gap (64) between the cover and the flanges. Further, in a preferred embodiment, each longitudinal edge portion is provided with openings (60,60). The openings are spaced apart such that when a strip is wrapped about any of expected size spools, at least one pair of the openings will become aligned to allow insertion of fastening means (62) which function to hold the strip assembled to the spool to protect the fiber and to prevent unintended removal of the cover.

公开(公告)号：US4533570A

公开(公告)日：1985-08-06

申请号：US502882

申请日：1983-06-09

申请人： Rama Iyengar

发明人： Rama Iyengar

IPC分类号： C03C25/18 ,  G02B1/10 ,  G02B5/14

CPC分类号： C03C25/18 ,  Y10S118/18 ,  Y10S118/19

摘要： Methods and apparatuses are disclosed for coating elongated materials such as optical fibers wherein a shear force is developed by the elongated material moving through liquid coating material in a coating applicator of a magnitude such as to prevent the coating material from flooding the applicator.

摘要翻译： 公开了用于涂覆细长材料（例如光纤）的方法和装置，其中剪切力由细长材料显影，所述细长材料通过涂覆剂中的液体涂覆材料移动，其大小如防止涂层材料溢出涂抹器。

公开(公告)号：US4253863A

公开(公告)日：1981-03-03

申请号：US804207

申请日：1977-06-07

申请人： Rama Iyengar

发明人： Rama Iyengar

IPC分类号： C03B37/014 ,  C03B37/018 ,  C03B37/00

CPC分类号： C03B37/01493 ,  C03B37/01406 ,  C03B37/0142 ,  C03B37/0148 ,  C03B37/018 ,  Y10S65/04

摘要： A large plurality of fiber optic preforms are manufactured by chemically vapor depositing the fiber optic glass constituents on the exterior surface of electrically heatable mandrels. A corresponding plurality of mandrels are located relative to a common source of materials for chemical vapor deposition thereon. A substantial savings in materials cost, manufacturing time and greater uniformity between the individual preforms is thereby accomplished.

摘要翻译： 通过在电可加热心轴的外表面上化学气相沉积光纤玻璃成分来制造大量的光纤预制件。 相对应的多个心轴相对于用于化学气相沉积的共同材料源定位。 由此实现了各个预制件之间的材料成本，制造时间和更大的均匀性的显着节省。

公开(公告)号：US4410344A

公开(公告)日：1983-10-18

申请号：US306561

申请日：1981-09-28

申请人： Rama Iyengar

发明人： Rama Iyengar

IPC分类号： C03B37/025 ,  C03B37/027 ,  C03C25/10 ,  C03B37/07

CPC分类号： C03B37/02736 ,  C03B37/0253 ,  C03B37/027 ,  C03B2205/46

摘要： A method of uniformly coating an optical waveguide fiber 10 comprises the steps of suspending an elongated glassy optical fiber preform 11 in an upright orientation from a preform holder that includes a collet 14 to which an x-y translator 15 is coupled, heating the preform, and drawing fiber from the bottom of the heated preform. The drawn fiber is passed through a tubular coating applicator 32 located beneath the preform, and the position of the fiber is sensed as it is being drawn. In response to sensed deviations in fiber position from along a preselected path that extends through the tubular coating applicator along the applicator axis, the preform is repositioned by horizontal movement of the preform holder so as to return the drawn fiber to the preselected path and thereby maintain its travel through the coating applicator substantially along the applicator axis.

摘要翻译： 一种均匀涂覆光波导纤维10的方法包括以下步骤：将细长的玻璃状光纤预制棒11悬挂在预成型件保持器的垂直取向上，该预成型件保持器包括与XY平移器15连接的夹头14，加热预制件和拉伸 纤维从加热的预制件的底部。 拉伸的纤维通过位于预成型件下方的管状涂布器32，并且在被拉伸时感测纤维的位置。 响应于沿着沿着施加器轴线延伸穿过管状涂布器的预选路径的感测到的纤维位置的偏差，通过预成型件保持器的水平运动来重新定位预成型件，以便将拉伸的纤维返回到预选路径，从而保持 其基本上沿着施加器轴线穿过涂覆施用器。

公开(公告)号：US4149772A

公开(公告)日：1979-04-17

申请号：US855408

申请日：1977-11-28

申请人： Rama Iyengar ,  Felix P. Kapron

发明人： Rama Iyengar ,  Felix P. Kapron

IPC分类号： G02B6/036 ,  G02B6/14 ,  G02B5/14

CPC分类号： G02B6/03688 ,  G02B6/02042 ,  G02B6/0288 ,  G02B6/023 ,  G02B6/14

摘要： An optical fibre has a core and a plurality of rings surrounding the core. In one arrangement the core and subsequent alternate rings are light transmitting, while the intermediate rings are of cladding material. In an alternative arrangement the core and alternate rings are of cladding material and intermediate rings are light transmitting. The light transmitting rings can be of varying refractive index or of constant refractive index.

摘要翻译： 光纤具有芯和围绕芯的多个环。 在一种布置中，芯和随后的交替环是透光的，而中间环是包层材料。 在替代布置中，芯和交替环是包层材料，中间环是透光的。 透光环可以具有变化的折射率或具有恒定的折射率。

公开(公告)号：US4383843A

公开(公告)日：1983-05-17

申请号：US302933

申请日：1981-09-16

申请人： Rama Iyengar

发明人： Rama Iyengar

IPC分类号： C03B37/027 ,  C03B37/029 ,  G02B6/00 ,  C03B37/025

CPC分类号： C03B37/029 ,  C03B2205/68 ,  C03B2205/80 ,  C03B2205/82

摘要： Apparatus for heating a vertically suspended preform from which lightguide fiber is drawn includes a torch having a plurality of ducts that open to a surface adjacent to a lower end of the preform. Fuel and oxidizing gases flow from the ducts, mix at the surface and flame about a necked-down, lower portion of the preform to form a melt cone from which the fiber is drawn. The ducts and the preform are positioned to cause a combustion zone of each flame to impinge upon the preform. In a preferred embodiment, the openings of the ducts are arrayed in a circle which is referred to as a pitch circle and which has a diameter that is less than that of the preform. Also, the ducts are arranged so that the gases are directed at a predetermined angle to the axis of the preform.

摘要翻译： 用于加热从其中拉出光导纤维的垂直悬挂的预制件的装置包括具有多个通道的手电筒，所述多个导管对于与预成型件的下端相邻的表面开放。 燃料和氧化气体从管道流出，在表面和火焰周围围绕预制件的颈缩下部混合以形成熔融锥体，纤维从该锥体拉出。 导管和预成型件被定位成使得每个火焰的燃烧区域撞击预成型件。 在优选实施例中，管道的开口被排列成圆形，其被称为节圆，并且其直径小于预制件的直径。 而且，管道被布置成使得气体以预定角度指向预成型件的轴线。

公开(公告)号：US4310474A

公开(公告)日：1982-01-12

申请号：US136597

申请日：1980-04-02

申请人： Rama Iyengar

发明人： Rama Iyengar

IPC分类号： F22B3/00 ,  B05B5/025 ,  B05B5/14 ,  B05B17/06 ,  C03B37/018 ,  C23C16/448 ,  F02M27/04 ,  F22B35/00 ,  B05B5/02

CPC分类号： F02M27/04 ,  B05B17/0607 ,  B05B5/14 ,  C03B37/018 ,  C23C16/4486 ,  Y10S261/65

摘要： A method of generating a vapor stream is disclosed which comprises the steps of providing a jet of electrostatically chargeable liquid particles and electrostatically controlling the jet so as to meter some of the liquid particles into a vaporizer for a period of time sufficient to become vaporized.

摘要翻译： 公开了一种产生蒸汽流的方法，其包括以下步骤：提供可静电充电液体颗粒的喷射并静电控制喷射流，以将一些液体颗粒计量到蒸发器中足以蒸发的时间。

公开(公告)号：US3960530A

公开(公告)日：1976-06-01

申请号：US599996

申请日：1975-07-29

申请人： Rama Iyengar

发明人： Rama Iyengar

IPC分类号： B05C3/12 ,  B29C47/02 ,  B29C47/36 ,  B29C47/66 ,  C03C25/10 ,  C03C25/12 ,  C03C25/18 ,  G02B6/38 ,  G02B6/44 ,  H01B13/14 ,  C03C25/02

CPC分类号： C03C25/18 ,  B29C47/0014 ,  B29C47/02 ,  B29C47/36 ,  H01B13/14

摘要： A method of coating a continuous glass fiber filament with plastic, in which plastic is charged into a vertical closed cylinder having a die opening at its lower end and an axial core tube terminating in the die opening to form an annular orifice. The plastic in liquid form is forced through the orifice by pressurized gas introduced into the upper portion of the cylinder while the glass filament is drawn continuously through the core tube.

摘要翻译： 一种用塑料涂覆连续玻璃纤维丝的方法，其中将塑料装入其下端具有模头开口的垂直封闭圆筒中，以及终止在模具开口中的轴向芯管以形成环形孔。 液体形式的塑料通过引入气缸上部的加压气体被迫穿过孔，而玻璃丝被连续地拉过核心管。