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1. 发明专利

JP2014002002A Checkup apparatus for plastic optical fibers, and manufacturing apparatus for plastic optical fibers 审中-公开
标题翻译：塑料光纤纤维检查装置及塑胶光纤制造设备
公开(公告)号：JP2014002002A
公开(公告)日：2014-01-09
申请号：JP2012136671
申请日：2012-06-18
申请人： Sekisui Chem Co Ltd , 積水化学工業株式会社 , Keio Gijuku , 学校法人慶應義塾
发明人： AOYAMA MASATO , KAWAUCHI HITOSHI , WADA SHUYA , KOIKE YASUHIRO
IPC分类号： G01M11/00 , B29C47/06 , B29C47/92 , B29L11/00 , G02B6/00
CPC分类号： B29C47/92
摘要： PROBLEM TO BE SOLVED: To provide a checkup apparatus for plastic optical fibers that can be used while manufacturing is being made by a manufacturing apparatus for plastic optical fibers by melt extrusion molding, is free from restrictions on core diameter and cladding diameter, enables the extra cost and labor required if a checkup apparatus is newly added to be saved and, moreover, facilitates maintenance of the checkup apparatus and its adjustment during the manufacturing process, and a manufacturing apparatus for plastic optical fibers equipped with such a checkup apparatus.SOLUTION: A checkup apparatus 10 for plastic optical fibers comprises a light inlet 21 fitted detachably to the upper end of a hopper 11 of a core melt extruder 2; a laser beam source 22 that is disposed outside the hopper 11 and supplies a laser beam 24 in the same direction as the axis of a molten core outlet 15 from the light inlet 21 into the hopper 11; and a light loss measuring unit 23 that is disposed on the downstream side of the outlet of a multi-layer spinning nozzle 7 and measures any loss in the laser beam 24.
摘要翻译：要解决的问题：为了提供一种用于通过熔融挤出成型制造塑料光纤的制造装置制造时可以使用的塑料光纤的检查装置，对芯径和包层直径没有限制，如果新添加了检查装置以节省成本，并且还有助于维修检查装置及其在制造过程中的调整，以及配备有这种检查装置的塑料光纤的制造装置，则需要成本和劳动。解决方案：A 用于塑料光纤的检查装置10包括可拆卸地装配到芯熔体挤出机2的料斗11的上端的光入口21; 激光束源22设置在料斗11的外侧，并将激光束24从与熔融芯出口15的轴线相同的方向从光入口21供给到料斗11; 以及设置在多层纺丝喷嘴7的出口的下游侧的光损失测量单元23，并且测量激光束24中的任何损耗。

2. 发明专利

JP2013213888A Method for manufacturing plastic optical fiber 有权
标题翻译：制造塑料光纤的方法
公开(公告)号：JP2013213888A
公开(公告)日：2013-10-17
申请号：JP2012083454
申请日：2012-04-02
申请人： Sekisui Chem Co Ltd , 積水化学工業株式会社 , Keio Gijuku , 学校法人慶應義塾
发明人： YOSHIDA HIROTSUGU , WADA SHUYA , KAWAUCHI HITOSHI , KOIKE YASUHIRO
IPC分类号： G02B6/00 , B29C47/06 , B29C47/12 , B29L9/00 , B29L11/00 , D01D5/34
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a plastic optical fiber excellent in transmissibility of a light signal, small bending performance, and diameter accuracy, by using a process of melting extrusion molding.SOLUTION: In a process of melting extrusion molding, a core part and a clad part are formed by using two or more melting extruders 1, 11, two or more multi-layer dies 12, and a multi-layer spinning nozzle 15. A multi-layer molten plastic consisting of the core part, the clad part, and a reinforcement layer and discharged from the spinning nozzle 15 is taken in a vertical downward direction under the following conditions to manufacture a plastic optical fiber: assuming that the bore diameter of the spinning nozzle 15 is A(mm), the outer diameter of the plastic optical fiber F is B(mm), and the length from the outlet of the spinning nozzle 15 to a take-off roller 16a is C(mm), (a) 8≤A/B≤25, (b) C×B+62×A-725×A≤2400, and (c) 700≤C are satisfied.
摘要翻译：要解决的问题：通过使用熔融挤出成型的方法，提供一种制造光信号传递性优异，弯曲性能好，直径精度优异的塑料光纤的制造方法。解决方案：在熔融挤出成型的过程中，通过使用两个以上的熔融挤出机1,11，两个以上的多层模具12和多层纺丝喷嘴15，形成芯部和包层部。多层熔融塑料由芯部，在纺丝喷嘴15中排出的包层部分和加强层在下列条件下沿垂直向下的方向被取下以制造塑料光纤：假设纺丝喷嘴15的孔直径为A（mm），则塑料光纤F的外径为B（mm），从纺丝喷嘴15的出口到送出辊16a的长度为C（mm），（a）8≤A/B≤25（ b）C×B + 62×A-725×A≤2400，（c）满足700≤C。

3. 发明专利

JP2011236676A Drain pipe joint 有权
标题翻译：排水管接头
公开(公告)号：JP2011236676A
公开(公告)日：2011-11-24
申请号：JP2010110126
申请日：2010-05-12
申请人： Sekisui Chem Co Ltd , 積水化学工業株式会社
发明人： TAKENAKA HYOE , KAWAUCHI HITOSHI , SAKAMOTO MASAKATSU , TOKUMARU TAKESHI
IPC分类号： E03C1/12 , F16L41/02
摘要： PROBLEM TO BE SOLVED: To provide a drain pipe joint capable of solving problems of conventional drain pipe joints, increasing the rotating force of drain water flowing down in a vertical pipeline to positively ensure the ventilation core, and reducing pressure fluctuation in the vertical pipeline due to an energy absorbing effect with rotating vanes.SOLUTION: A drain pipe joint internally includes a first rotating vane 14g, a second rotating vane 12c, and a third rotating vane 52. The rotating vanes 14g, 12c, and 52 are arranged without an overlap when projected on a plane perpendicular to the vertical axis, so that the drain water received with the first rotating vane 14g is to be further received with the second rotating vane 12c and the drain water received with the first rotating vane 14g and the second rotating vane 12c is not to be received with the third rotating vane 52.
摘要翻译：要解决的问题：为了提供能够解决常规排水管接头问题的排水管接头，增加在垂直管道中向下流动的排水的旋转力，以确保通风芯，并减少由于具有旋转叶片的能量吸收效应，垂直管道。解决方案：排水管接头内部包括第一旋转叶片14g，第二旋转叶片12c和第三旋转叶片52.旋转叶片14g，12c和52当投影在垂直于垂直的平面上时没有重叠地布置使得与第一旋转叶片14g接收的排水与第二旋转叶片12c进一步接收，并且不接收与第一旋转叶片14g和第二旋转叶片12c接收的排水具有第三旋转叶片52.版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2013214020A Extrusion raw material supply device and method for producing optical transmission body using the same 审中-公开
标题翻译：挤出原料供应装置及使用该方法生产光传输体的方法
公开(公告)号：JP2013214020A
公开(公告)日：2013-10-17
申请号：JP2012085373
申请日：2012-04-04
申请人： Sekisui Chem Co Ltd , 積水化学工業株式会社 , Keio Gijuku , 学校法人慶應義塾
发明人： WADA SHUYA , KAWAUCHI HITOSHI , KOIKE YASUHIRO
IPC分类号： G02B6/00 , B29C47/54 , B29C47/92 , B29L11/00
CPC分类号： B29C47/92
摘要： PROBLEM TO BE SOLVED: To provide an extrusion raw material supply device having continuous productivity, and a method for producing optical transmission bodies using the same.SOLUTION: A plurality of raw material supply sections 11 are disposed in parallel to each other. Each of the raw material supply sections 11 is a batch type and can sequentially extrude a molten resin M by a gas pressure to be supplied from gas pressurizing means. Lower-end openings of containers 12 of the respective raw material supply sections 11 are connected by a communication tube 2, and the molten resin M is fed downward via the communication tube 2. The lower-end section of the container 12 of each of the raw material supply sections 11 includes a resin stopper mechanism 20 for temporarily stopping a flow of the molten resin M.
摘要翻译：要解决的问题：提供一种具有连续生产率的挤出原料供给装置及其制造方法。解决方案：多个原料供给部11彼此平行地设置。原料供给部11为间歇式，可以通过从气体加压装置供给的气体压力依次挤出熔融树脂M. 各个原料供给部11的容器12的下端开口由连通管2连接，熔融树脂M经由连通管2向下方供给。容器12的下端部分原材料供给部11具有用于暂时停止熔融树脂M的流动的树脂止动机构20。

5. 发明专利

JP2012097551A Drain pipe joint 有权
标题翻译：排水管接头
公开(公告)号：JP2012097551A
公开(公告)日：2012-05-24
申请号：JP2011099559
申请日：2011-04-27
申请人： Sekisui Chem Co Ltd , 積水化学工業株式会社
发明人： TAKENAKA HYOE , KAWAUCHI HITOSHI
IPC分类号： E03C1/12 , E03C1/122
摘要： PROBLEM TO BE SOLVED: To provide a light-weight drain pipe joint which has excellent workability, fire resistance performance, and sound insulation as well.SOLUTION: A drain pipe joint is formed of an assembly of a plurality of joint component members made of a thermoplastic resin composition, of which at least a joint component member constituting a portion of a slab penetration part is provided with a sound insulation cover which surrounds the peripheral surface of a joint body pipe formed of a fireproof expansive resin composition including at least a tubular fireproof expansion layer formed of the fireproof expansive resin composition. The sound insulation cover comprises a spacer which is attached on a portion of the peripheral surface of the joint body, and a cover body formed of an insulation resin sheet which is partly received by the spacer and wrapped around the joint body such that a gap is formed along the peripheral surface of the joint body.
摘要翻译：要解决的问题：提供一种具有优异的可加工性，耐火性能和隔音性的轻量排水管接头。解决方案：排水管接头由多个由热塑性树脂组合物制成的接头构件构件的组件形成，其中至少构成板坯贯穿部分的一部分的接合构件构件设置有隔音层覆盖由包括由耐火膨胀树脂组合物形成的至少一个管状防火膨胀层的防火膨胀树脂组合物形成的接头体管的外周表面。隔音罩包括安装在接头体的周面的一部分上的间隔件和由绝缘树脂片形成的盖体，绝缘树脂片由间隔件部分地接收并且缠绕在接头体上，使得间隙为沿着接合体的周面形成。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2014117939A Extrusion raw material supply device and manufacturing method for optical transmission body using the same 审中-公开
标题翻译：挤出原料供应装置及使用其的光传输体的制造方法
公开(公告)号：JP2014117939A
公开(公告)日：2014-06-30
申请号：JP2012277198
申请日：2012-12-19
申请人： Sekisui Chem Co Ltd , 積水化学工業株式会社 , Keio Gijuku , 学校法人慶應義塾
发明人： KAWAUCHI HITOSHI , WADA SHUYA , KOIKE YASUHIRO
IPC分类号： B29C47/36 , G02B6/00
摘要： PROBLEM TO BE SOLVED: To provide an extrusion raw material supply device capable of satisfying both product quality and productivity at a higher level, and a manufacturing method for an optical transmission body using the device.SOLUTION: An extrusion raw material supply device 1 comprises: a hopper 2 in which a raw material rod R is housed; a heating/melting section 4 which is provided for a downstream side of a plastic raw material housing part 3 of the hopper 2 and heats/melts a lower end portion of the raw material rod R; heating means 8 for heating the heating/melting section 4; and gas pressurizing means 5 for sequentially supplying melted resin M to a metal mold by gas pressure. An inner surface at the lower end of the plastic raw material housing part 3 has a constant cross-sectional shape by which the raw material rod R can be loosely fit. An inner diameter at the upper end of the heating/melting section 4 and an inner diameter at the lower end of the plastic raw material housing part 3 are made equal to each other. An inner circumference shape of the heating/melting section 4 is in an inverted conical shape, and an angle θ of a cone of an inverted conical section 4b is set to 70 to 105°.
摘要翻译：要解决的问题：提供能够在更高水平上满足产品质量和生产率的挤出原料供给装置，以及使用该装置的光传输体的制造方法。解决方案：挤出原料供给装置1包括：容纳原料棒R的料斗2; 为料斗2的塑料原料容纳部3的下游侧设置的加热熔融部4，加热/熔化原料棒R的下端部; 用于加热加热/熔化部分4的加热装置8; 以及用于通过气体压力将熔融树脂M依次供给到金属模具的气体加压装置5。塑料原料容纳部分3的下端的内表面具有恒定的横截面形状，通过该横截面形状可以使原料棒R松配合。加热/熔化部分4的上端的内径和塑料原料容纳部分3的下端的内径彼此相等。加热/熔化部分4的内圆周形状为倒圆锥形，角度和角度; 倒锥形部分4b的锥体被设定为70至105°。

7. 发明专利

JP2013214021A Extrusion raw material supply device and method for producing optical transmission body using the same 审中-公开
标题翻译：挤出原料供应装置及使用该方法生产光传输体的方法
公开(公告)号：JP2013214021A
公开(公告)日：2013-10-17
申请号：JP2012085374
申请日：2012-04-04
申请人： Sekisui Chem Co Ltd , 積水化学工業株式会社 , Keio Gijuku , 学校法人慶應義塾
发明人： WADA SHUYA , KAWAUCHI HITOSHI , AOYAMA MASATO , KOIKE YASUHIRO
IPC分类号： G02B6/00 , B29C47/54 , B29C47/92 , B29L11/00
CPC分类号： B29C47/92
摘要： PROBLEM TO BE SOLVED: To provide an extrusion raw material supply device having continuous productivity, and a method for producing optical transmission bodies using the same.SOLUTION: An extrusion raw material supply device 1 comprises: a vertical hopper 2 that includes a plastic raw material storage section 3 and a heating and melting section 4; gas pressurizing means 5 for extruding a molten resin M in the heating and melting section 4 by gas pressure; and a raw material supply quantity adjusting section 10 provided from the lower end of the hopper 2 in a concatenated manner. The raw material supply quantity adjusting section 10 stores the molten resin M discharged from the heating and melting section 4 and sequentially extrudes the molten resin M by the gas pressure. A resin stopper mechanism 20 for temporarily stopping a flow of the molten resin M is formed between the lower end of the hopper 2 and the raw material supply quantity adjusting section 10.
摘要翻译：要解决的问题：提供一种具有连续生产率的挤出原料供给装置及其制造方法。挤出原料供给装置1包括：垂直料斗2，其包括塑料原料储存部分3和加热和熔化部分4; 用于通过气体压力在加热和熔化部分4中挤出熔融树脂M的气体加压装置5; 以及从料斗2的下端以级联方式设置的原料供给量调节部10。原料供给量调节部10存储从加热熔融部4排出的熔融树脂M，并依次挤压熔融树脂M。在料斗2的下端与原料供给量调整部10之间，形成用于暂时停止熔融树脂M的树脂止挡机构20。

8. 发明专利

JP2012082621A Adapter for joint and drain pipe joint with swirl vane using the same 有权
标题翻译：适配器和排水管接头与SWIRL VANE使用它
公开(公告)号：JP2012082621A
公开(公告)日：2012-04-26
申请号：JP2010229990
申请日：2010-10-12
申请人： Sekisui Chem Co Ltd , 積水化学工業株式会社
发明人： TAKENAKA HYOE , TOKUMARU TAKESHI , HANAKI HIROAKI , KAWAUCHI HITOSHI , SAKAMOTO MASAKATSU
IPC分类号： E03C1/12
摘要： PROBLEM TO BE SOLVED: To provide an adapter for a joint capable of easily mounting a cylindrical body part of a joint body, which cannot be used conventionally as a branch joint for connecting a stand pipe and a horizontal branch pipe for multilayer stories, on a pipe joint of an LT joint type having almost the same diameter as that of the stand pipe, and easily constructing a single pipe type drain system excellent in a drainage performance using the pipe joint of the LT joint type even in a multi-story building having 10 or more stories, and a drainage structure using the adapter for the joint.SOLUTION: An adapter 1a includes: a swirl vane support leg part 23 for which a cylindrical fitting part 21 of the adapter 1a is fitted to an upper receiving port 52 of a pipe joint 5, and which is extended to below the fitting part 21; and a swirl vane 22 supported by the swirl vane support leg part 23, inclined relative to a pipe axis and provided on a stand pipe 6a. The adapter 1a has an inner straight pipe part 21b having an inner side face with the same diameter dimension except one part 21a, and is formed in a spiral shape with a prescribed width dimension h1 along the outer peripheral edge 22c of the swirl vane 22 from an inner straight pipe part end edge 21 to a distal end part 22d.
摘要翻译：要解决的问题：提供一种用于能够容易地安装接头体的圆筒体部分的接头的接头，其不能常规地用作用于连接立管和用于多层故障的水平分支管的分支接头在具有与立管几乎相同的直径的LT型接头型的管接头上，即使在多层连接型中也可以容易地构成使用LT型接头的管接头的排水性能优异的单管式排水系统，具有10个或更多故事的故事建筑，以及使用该接头的接头的排水结构。解决方案：适配器1a包括：旋转叶片支撑腿部23，其中适配器1a的圆筒形配件部分21装配到管接头5的上接收端口52，并且延伸到配件的下方第21部分以及由旋流叶片支撑腿部23支撑的涡旋叶片22，其相对于管轴线倾斜并且设置在立管6a上。适配器1a具有内直管部分21b，其具有除了一部分21a之外具有相同直径尺寸的内侧面，并且沿着旋流叶片22的外周边缘22c形成具有规定宽度尺寸h1的螺旋形状，内直管部分端缘21到远端部分22d。版权所有（C）2012，JPO＆INPIT

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