公开(公告)号：US5976611A

公开(公告)日：1999-11-02

申请号：US860831

申请日：1997-06-06

申请人： Kaoru Okuno ,  Akira Inoue ,  Kazumasa Oishi ,  Kohei Kobayashi ,  Ichiro Tsuchiya

发明人： Kaoru Okuno ,  Akira Inoue ,  Kazumasa Oishi ,  Kohei Kobayashi ,  Ichiro Tsuchiya

IPC分类号： C03C25/18 ,  B05D1/00

CPC分类号： C03C25/18

摘要： The present invention relates to an optical fiber coating method and an apparatus therefor which can form high quality coating layer on an optical fiber (12) by preventing non-concentricity of a coating resin (14) applied on the optical fiber (12) and admixing of bubble. The optical fiber coating apparatus according to the present invention includes at least one pair of an illumination light introducing window (39) and an optical fiber monitoring window (40) formed facing each other with the resin pool between in a side wall portion of a die holder (17), opposing a resin pool (27), a light source (41) opposing to the illumination light introducing window (39) and projecting an illumination light toward the center portion of the resin pool (27), an image pick-up device (42) opposing the optical fiber monitoring window (40) for monitoring at least a contact portion between the optical fiber (12) and the coating resin (14) and in the vicinity thereof, and coating condition modifying means for modifying a coating condition of the coating resin (14) with respect to the optical fiber (12) on the basis of the result of observation of the image pick-up device (42).

摘要翻译： PCT No.PCT / JP96 / 02889 Sec。 371日期：1997年6月6日 102（e）日期1996年6月6日PCT提交1996年10月4日PCT公布。 公开号WO97 / 12841 PCT 日期：1997年04月10日本发明涉及一种光纤涂布方法及其设备，其可以通过防止施加在光纤上的涂覆树脂（14）的非同心度在光纤（12）上形成高质量的涂层 （12）和气泡的混合。 根据本发明的光纤涂覆装置包括至少一对照明光引入窗口（39）和光纤监视窗口（40），所述照明光引入窗口（39）和光纤监视窗口（40）在所述模具的侧壁部分之间具有彼此面对的所述树脂池 与树脂池（27）相对的保持器（17），与照明光引入窗口（39）相对的光源（41）并朝向树脂池（27）的中心部分突出照明光， 与光纤监视窗口（40）相对的用于至少监视光纤（12）和涂覆树脂（14）之间及其附近的接触部分的提升装置（42）以及用于改变涂层 基于图像拾取装置（42）的观察结果，涂覆树脂（14）相对于光纤（12）的状态。

公开(公告)号：US5032079A

公开(公告)日：1991-07-16

申请号：US459299

申请日：1989-12-29

申请人： Ichiro Tsuchiya ,  Shinji Ishikawa ,  Masahide Saitoh ,  Yoichi Ishiguro ,  Hiroo Kanamori

发明人： Ichiro Tsuchiya ,  Shinji Ishikawa ,  Masahide Saitoh ,  Yoichi Ishiguro ,  Hiroo Kanamori

IPC分类号： C03B37/014

CPC分类号： C03B37/0146 ,  C03B2201/12

摘要： There is provided a heating furnace comprising a furnace body, a cylindrical zone heater in the furnace body, a muffle tube installed through the furnace body for thermally treating a porous preform made of high purity quartz glass by moving the preform vertically therethrough and a partition means in the portion of the muffle tube projecting above the furnace body to divide an interior space of the muffle tube into an upper space and a lower one.

公开(公告)号：US07016582B2

公开(公告)日：2006-03-21

申请号：US10473678

申请日：2003-03-04

申请人： Iwao Okazaki ,  Ichiro Tsuchiya ,  Shinji Ishikawa ,  Motohide Yoshida ,  Tetsuya Haruna ,  Kazuyuki Soma

发明人： Iwao Okazaki ,  Ichiro Tsuchiya ,  Shinji Ishikawa ,  Motohide Yoshida ,  Tetsuya Haruna ,  Kazuyuki Soma

IPC分类号： G02B6/02 ,  C03B37/028 ,  C03B37/02 ,  C03B37/07 ,  C03B37/22

CPC分类号： G02B6/024 ,  C03B37/01217 ,  C03B2203/12 ,  C03B2203/302 ,  C03B2203/31 ,  G02B6/105

摘要： Based on an intermediate 20A in which a cladding portion 22 is formed on the outer periphery of a core portion 21, a pair of holes 23 and 24 are provided parallel to the z axis on both sides of the core portion 21 within the cladding portion 22, and an intermediate 20 is thereby fabricated. In this intermediate 20, a width Ry in the y-axis direction is made smaller than a width Rx in the x-axis direction. Moreover, a cylindrical stress applying part 33 is inserted into a hole 23 of the intermediate 20, and a cylindrical stress applying part 34 is inserted into a hole 24 thereof. Thus, a preform 40 is formed. These materials are drawn and integrated together, and a polarization maintaining optical fiber is thereby manufactured.

摘要翻译： 基于在芯部21的外周形成有包覆部22的中间体20A，在包层部的芯部21的两侧与z轴平行地设置一对孔23,24 22，由此制造中间体20。 在该中间体20中，使y轴方向的宽度Ry比x轴方向的宽度Rx小。 此外，将圆筒形应力施加部33插入到中间体20的孔23中，将圆筒形应力施加部34插入其中。 因此，形成预制件40。 这些材料被拉伸并集成在一起，由此制造偏振保持光纤。

公开(公告)号：US06928840B1

公开(公告)日：2005-08-16

申请号：US10089719

申请日：2000-10-11

申请人： Katsuya Nagayama ,  Yuichi Ohga ,  Kazuya Kuwahara ,  Ichiro Tsuchiya

发明人： Katsuya Nagayama ,  Yuichi Ohga ,  Kazuya Kuwahara ,  Ichiro Tsuchiya

IPC分类号： C03B37/027 ,  C03B37/029 ,  G02B6/00 ,  C03B37/025 ,  C03B37/03

CPC分类号： C03B37/02718 ,  C03B37/029 ,  C03B2205/56 ,  C03B2205/82 ,  C03B2205/83 ,  C03B2205/90

摘要： A drawing apparatus 1 comprises a drawing furnace 11, a protecting tube 21, and a resin curing unit 31. A buffer chamber 41 is disposed between the drawing furnace 11 and the protecting tube 21, and has a length L1 in the drawing direction of the optical fiber 3. The buffer chamber 41 is constituted by a first buffer cell 42 and a second buffer cell 45. In the space within the buffer chamber 41, an He gas, which is an atmosphere gas within the drawing furnace 11, and the air, which is an atmosphere gas within the protecting tube 21, exist in a mixed state. The optical fiber 3 drawn upon heating in the drawing furnace 11 is fed to the protecting tube 21, and a predetermined part of the optical fiber 3 is annealed at a predetermined cooling rate. Thereafter, a coating die 62 coats the optical fiber 3 with a UV resin solution 63, and the resin curing unit 31 cures the UV resin 63, whereby a coated optical fiber 4 is obtained.

摘要翻译： 拉制装置1包括拉丝炉11，保护管21和树脂固化单元31。 缓冲室41设置在拉丝炉11和保护管21之间，并且在光纤3的拉伸方向上具有长度L 1。 缓冲室41由第一缓冲单元42和第二缓冲单元45构成。 在缓冲室41内的空间内，作为吸入炉11内的气氛气体的He气体和作为保护管21内的气氛气体的空气以混合状态存在。 在拉丝炉11中加热拉制的光纤3被送入保护管21，光纤3的规定部分以规定的冷却速度进行退火。 此后，涂布模具62用UV树脂溶液63涂覆光纤3，树脂固化单元31固化UV树脂63，从而获得涂覆的光纤4。

公开(公告)号：US06546760B1

公开(公告)日：2003-04-15

申请号：US08674865

申请日：1996-07-03

申请人： Ichiro Tsuchiya ,  Kohei Kobayashi ,  Hiroaki Ohta ,  Kazuya Kuwahara ,  Katsuyuki Tsuneishi ,  Hideo Miyaki ,  Yasuo Matsuda

发明人： Ichiro Tsuchiya ,  Kohei Kobayashi ,  Hiroaki Ohta ,  Kazuya Kuwahara ,  Katsuyuki Tsuneishi ,  Hideo Miyaki ,  Yasuo Matsuda

IPC分类号： C03B37029

CPC分类号： C03B37/029 ,  C03B2205/63 ,  H05B3/145 ,  H05B3/44

摘要： There is provided an optical fiber drawing furnace capable of drawing an optical fiber having small non circularity, which drawing furnace includes a muffle tube, in which an optical fiber preform is supplied, a heater surrounding the muffle tube, a plurality of electrode connecting portion extending from the heater, a plurality of electrodes connected to electrode connecting portions, and in conjunction therewith to an electric power source, and unifying means for unifying the temperature distribution along the circumferential direction.

摘要翻译： 提供了一种能够拉伸小圆形光纤的光纤拉丝炉，该拉丝炉包括一个马弗管，其中提供了一个光纤预制棒，一个围绕马弗管的加热器，多个电极连接部分延伸 从加热器，连接到电极连接部分的多个电极，以及与电源连接的多个电极，以及用于统一沿着周向的温度分布的统一装置。

公开(公告)号：US06333071B1

公开(公告)日：2001-12-25

申请号：US09471257

申请日：1999-12-23

申请人： Kohei Kobayashi ,  Ichiro Tsuchiya ,  Tomoyuki Hattori

发明人： Kohei Kobayashi ,  Ichiro Tsuchiya ,  Tomoyuki Hattori

IPC分类号： B32B3100

CPC分类号： G02B6/448

摘要： An apparatus for producing optical fiber ribbons which has a optical fiber gathering device, one or more coating applicators and a turn roller arranged in a straight line, with one or more alignment guide in plate form being provided on a travelling line of optical fibers or optical fiber ribbons upstream of the coating applicator. The alignment guide is chamfered to arch form on the side that contacts the optical fibers or the optical fiber ribbons. The alignment guide suppresses the optical fibers or the optical fiber ribbons from vibrating in a direction perpendicular to the direction of the arrangement of the optical fibers or the optical fiber ribbons.

摘要翻译： 一种光纤带的制造装置，其具有光纤聚集装置，一个或多个涂布施加器和布置成直线的转动辊，其中一个或多个板形对准引导件设置在光纤或光学行进线上 在涂布器上游的纤维带。 对准引导件在与光纤或光纤带接触的一侧被倒角成拱形。 对准引导件抑制光纤或光纤带在与光纤或光纤带的布置方向垂直的方向上振动。

公开(公告)号：US5637130A

公开(公告)日：1997-06-10

申请号：US403765

申请日：1995-07-13

申请人： Katsuya Nagayama ,  Kohei Kobayashi ,  Hiroaki Ohta ,  Ichiro Tsuchiya

发明人： Katsuya Nagayama ,  Kohei Kobayashi ,  Hiroaki Ohta ,  Ichiro Tsuchiya

IPC分类号： C03B37/027 ,  C03B37/029

CPC分类号： C03B37/029 ,  C03B2205/63 ,  C03B2205/90 ,  C03B2205/92

摘要： A furnace and method for drawing an optical fiber is provided. The furnace included a furnace core chamber in which a preform is inserted into the chamber through the upper end thereof and a drawn optical fiber is pulled out of the chamber through an opening positioned at the lower end thereof. The furnace also includes a gas-supply means for introducing an inert gas into the furnace core chamber to thus establish an inert gas atmosphere within the chamber, and a heater for heating the preform so that the lower part of the preform is molten and drawn into the optical fiber, which is positioned around the outer periphery of the furnace core chamber. The furnace further includes an inner furnace core tube, which is positioned within the furnace core chamber and which has a cylindrical part whose lower part is communicated to the opening of the furnace core chamber and a funnel-like part which is positioned on the upper end of the cylindrical part. The funnel-like part has a diameter gradually and upwardly increased so as to surround the lower portion of the molten portion of the preform.

摘要翻译： PCT No.PCT / JP94 / 01132 Sec。 371日期1995年7月13日 102（e）1995年7月13日PCT PCT 1994年7月12日PCT公布。 公开号WO95 / 02560 日期：1995年1月26日提供了一种用于拉制光纤的炉和方法。 炉子包括炉芯室，其中预制件通过其上端插入室中，并且拉出的光纤通过位于其下端的开口从室中拉出。 该炉还包括用于将惰性气体引入炉芯室以便在室内建立惰性气体气体的气体供应装置，以及用于加热预制件的加热器，使得预成型件的下部熔化并拉入 该光纤位于炉芯室的外周周围。 该炉还包括内炉芯管，其位于炉芯室内，并具有圆筒部，其下部与炉芯室的开口连通，漏斗状部位于上端 的圆柱形部分。 漏斗状部分的直径逐渐向上增加，以便包围预成型件的熔融部分的下部。

公开(公告)号：US5624474A

公开(公告)日：1997-04-29

申请号：US338183

申请日：1994-11-09

申请人： Ichiro Tsuchiya ,  Hiroaki Ohta ,  Toshio Danzuka

发明人： Ichiro Tsuchiya ,  Hiroaki Ohta ,  Toshio Danzuka

IPC分类号： C03B37/014 ,  C03B37/07

CPC分类号： C03B37/01486

摘要： An optical fiber preform manufacturing apparatus which continuously monitors the weight of a preform during manufacturing by a load cell without increasing the offset amount of the preform. The preform manufacturing apparatus includes a rotary chuck unit vertically moved by an elevating unit and a rod gripped by the rotary chuck unit and vertically extending downward. At the time of manufacturing a preform, the elevating unit and the rotary chuck unit are driven to rotate and move a starting rod suspended from the lower end of the rod upward. A support plate is fixed to the rotary chuck unit. Three or more load cells are arranged between the support plate and an elevating plate of the elevating unit. The rotary chuck unit is firmly supported by these load cells, so that the rotating shaft is not inclined. A hole is formed in the elevating plate, and the rotary chuck unit extends through the hole with a gap therebetween. A load by the support plate, the rotary chuck unit, the seed rod, a starting rod and the preform acts on the load cells. Therefore, the weight of the preform can be detected from an output from the load cells.

摘要翻译： 一种光纤预制棒制造装置，其在通过测力传感器制造期间连续地监视预制棒的重量，而不增加预成型件的偏移量。 预成型体制造装置包括由升降单元垂直移动的旋转卡盘单元和由旋转卡盘单元夹持的杆，并且向下垂直延伸。 在制造预成型件时，升降单元和旋转卡盘单元被驱动以使从杆的下端向上悬挂的起始杆旋转移动。 支撑板固定到旋转卡盘单元。 在支撑板和升降单元的升降板之间布置有三个或更多的称重传感器。 旋转卡盘单元由这些称重传感器牢固地支撑，使得旋转轴不倾斜。 在升降板上形成孔，旋转卡盘单元在孔之间延伸穿过孔。 支撑板，旋转卡盘单元，种子杆，起始杆和预制件的负载作用在称重传感器上。 因此，可以从称重传感器的输出检测预成型件的重量。

公开(公告)号：US5556736A

公开(公告)日：1996-09-17

申请号：US326094

申请日：1994-10-19

申请人： Tsuyoshi Haraguchi ,  Ichiro Tsuchiya

发明人： Tsuyoshi Haraguchi ,  Ichiro Tsuchiya

IPC分类号： G03C7/413 ,  G03C7/44 ,  G03C5/18 ,  G03C5/26

CPC分类号： G03C7/44 ,  G03C7/413

摘要： A method for processing an exposed silver halide color photographic photosensitive material is disclosed, which comprises the step of developing the exposed material with a color developer in a color development tank of an automatic developing apparatus, the developer in the developer tank being replenished with replenishing water and a solid color developing composition comprising a p-phenylenediamine color developing agent having a water-solubilizing group, wherein the replenishing amount of the water is 30 to 75 ml per m.sup.2 of the material processed and the replenishing amount of the color developing agent is 0.024 to 0.066 mol per liter of the replenishing amount of the water.

摘要翻译： 公开了一种处理曝光的卤化银彩色照相感光材料的方法，其包括在自动显影装置的显色槽中用显色剂将曝光材料显影的步骤，显影槽中的显影剂补充补充水 以及包含具有水溶性基团的对苯二胺彩色显影剂的固体显色组合物，其中每1m处理的材料的水补充量为30至75ml，彩色显影剂的补充量为0.024 至0.066mol /升的补充量的水。

公开(公告)号：US5470369A

公开(公告)日：1995-11-28

申请号：US197534

申请日：1994-02-16

申请人： Ichiro Tsuchiya ,  Toshio Danzuka ,  Masumi Ito

发明人： Ichiro Tsuchiya ,  Toshio Danzuka ,  Masumi Ito

IPC分类号： C03B37/014 ,  G02B6/00 ,  C03B37/018

CPC分类号： C03B37/01446 ,  C03B37/0146

摘要： There is provided a process for the consolidation of a porous glass preform for an optical fiber by heating the preform under an increasing pattern of a heating temperature in a vacuum furnace comprising a muffle tube therein characterized in that the increasing pattern is divided into two steps consisting of a first step and a second step with regard to time, and the first step has a pattern in which the heating temperature is increased under a reduced pressure atmosphere and a gas comprising at least an inert gas is supplied to the vacuum furnace under the reduced pressure atmosphere and the second step has a pattern in which the heating temperature is increased under a reduced pressure atmosphere in which a gas comprising a smaller amount of an inert gas than that of the first step is supplied to the vacuum furnace or under a vacuum pressure atmosphere in which no gas is supplied to the vacuum furnace.

摘要翻译： 提供了一种通过在包括马弗管的真空炉中以加热温度升高的模式加热预成型件来固化光纤的多孔玻璃预制件的方法，其特征在于，将增加的图案分为两个步骤： 关于时间的第一步骤和第二步骤，并且第一步骤具有在减压气氛下加热温度升高的模式，并且至少包含惰性气体的气体在减压下供给到真空炉中 第二步骤是在减压气氛中加热温度升高的模式，其中将包含比第一步骤少的惰性气体的气体供给至真空炉或真空压力 没有气体供应到真空炉的气氛。