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1. 发明专利

JP2012131665A Method for manufacturing coated optical fiber 有权
标题翻译：制造涂层光纤的方法
公开(公告)号：JP2012131665A
公开(公告)日：2012-07-12
申请号：JP2010285248
申请日：2010-12-22
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： NAKAJIMA YASUO , SAITO MINORU , TANAKA HIROKI , MOCHIZUKI KOJI , KASAHARA MINORU , OKU MASATO
IPC分类号： C03C25/10 , C03C25/24
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a coated optical fiber which has superior manufacturing stability by solving appearance problems such as unevenness which is observed on an interface between a primary coating layer and a secondary coating layer of an optical fiber coating resin layer in high-speed drawing.SOLUTION: The outer periphery of a bare optical fiber 5 is coated with an ultraviolet-curing resin for primary coating. In an ultraviolet irradiation device 11, the bare optical fiber 5 coated with the ultraviolet-curing resin for primary coating is then inserted into a cylindrical body 35 as a transparent body of ≤60% in transmittance at a wavelength of 270 nm, and the ultraviolet-curing resin for primary coating is irradiated with ultraviolet rays from a light irradiation lamp 37 through the cylindrical body 35. The ultraviolet-curing resin for primary coating is cured to form a primary coating layer 23. Further, the outer periphery of the primary coating layer 23 is coated with an ultraviolet-curing resin for secondary coating, and in an ultraviolet irradiation device 17, the ultraviolet-curing resin for secondary coating is irradiated with ultraviolet rays and thus cured to form a secondary coating layer 25.
摘要翻译：解决的问题：提供一种制造具有优异的制造稳定性的涂布光纤的方法，其通过解决在光纤的初级涂层和第二涂层之间的界面上观察到的不均匀性的外观问题涂层树脂层高速拉伸。解决方案：裸光纤5的外周边用紫外线固化树脂涂覆一次涂覆。在紫外线照射装置11中，将涂布有一次涂布用的紫外线固化型树脂的裸光纤5插入作为270nm波长的透射率为60％以下的透明体的筒状体35，用来自光照射灯37的紫外线照射通过圆筒体35进行初次涂布的固化树脂。用于初级涂层的紫外线固化树脂固化形成初级涂层23.此外，一次涂层的外周层23涂覆有用于二次涂覆的紫外线固化树脂，并且在紫外线照射装置17中，用紫外线照射用于二次涂覆的紫外线固化树脂，从而固化以形成第二涂层25.版权（C）2012，JPO＆INPIT

2. 发明专利

JP2012025611A Method for producing optical fiber strand 有权
标题翻译：生产光纤条的方法
公开(公告)号：JP2012025611A
公开(公告)日：2012-02-09
申请号：JP2010164704
申请日：2010-07-22
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： SAITO MINORU , KASAHARA MINORU , TANAKA HIROKI , UI KEISUKE , MOCHIZUKI KOJI , NAKAJIMA YASUO
IPC分类号： C03C25/10 , C03C25/24 , G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide a method for stably producing an optical fiber strand over a long period by a simple device and simple control.SOLUTION: The method for producing an optical fiber strand 4, wherein the outer circumference of a filament body 3 is coated with ultraviolet-curing resin, includes: a wire drawing process for drawing an optical fiber base material 1 into the filament body 3; an application process for applying the ultraviolet-curing resin to the filament body 3; and an irradiation process for irradiating the filament body 4 coated with the ultraviolet-curing resin by two or more ultraviolet radiation devices 6a and 6b. The ultraviolet-curing resin contains an acrylic monomer and a monomer including an N-vinyl group. In the irradiation process, the filament body 4 is irradiated with ultraviolet rays while passed through the inside of ultraviolet transmissive cylinder bodies inside the two or more ultraviolet radiation devices 6a and 6b, and the temperature of the ultraviolet transmissive cylinder body on the downstream side is kept at 70-180°C while at least the ultraviolet radiation device 6a on the upstream side is turned on among the optional adjacent two ultraviolet radiation devices 6a and 6b.
摘要翻译：要解决的问题：提供一种通过简单的装置和简单的控制长期稳定地生产光纤线束的方法。解决方案：用于制造光纤线束4的方法，其中长丝体3的外周被紫外线固化树脂涂覆，包括：将光纤基材1拉入灯丝体的拉丝工艺 3; 用于将紫外线固化树脂施加到灯丝体3的施加方法; 以及通过两个以上的紫外线照射装置6a，6b照射被紫外线固化树脂涂覆的灯丝体4的照射工序。紫外线固化树脂含有丙烯酸类单体和包含N-乙烯基的单体。在照射过程中，灯丝体4在穿过两个以上的紫外线照射装置6a，6b内的紫外线透射筒体的内部照射紫外线，下游侧的紫外线透射筒体的温度为保持在70-180℃，同时在可选的相邻的两个紫外线辐射装置6a和6b中至少使上游侧的紫外线辐射装置6a接通。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2009231025A Multi-layer electric insulated wire and transformer using the same 审中-公开
标题翻译：多层电绝缘线和使用该绝缘线的变压器
公开(公告)号：JP2009231025A
公开(公告)日：2009-10-08
申请号：JP2008074654
申请日：2008-03-21
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： FUKUDA HIDEO , SAITO MINORU , AOI TSUNEO
IPC分类号： H01B7/02 , H01B7/00 , H01F27/28 , H01F27/32
摘要： PROBLEM TO BE SOLVED: To provide a multi-layer electric insulated wire capable of satisfying a requirement of improvement in heat resistance and also having a discharge resistance property, and to provide a transformer formed by winding the electric insulated wire.
SOLUTION: There are provided a multi-layer electric insulated wire and a transformer by using the insulated wire, the insulated wire comprising a conductor and three or more extruded insulating layers coating the conductor, and being characterized in that: resin, forming an outermost layer (A) of the insulating layers is polyphenylene sulfide resin; a resin, forming an innermost layer (B) of the insulating layers is either (1) resin obtained by mixing and cross-linking 1-20 pts.mass of a resin, containing a specified functional group to 100 pts.mass of thermoplastic linear polyester resin whose entirety or a part is formed, by combining an aliphatic alcohol component and an acid component, or (2) resin, obtained by mixing 5-40 pts.mass of an ethylene-based copolymer whose side chain has calboxylic acid or metallic base of calboxylic acid to the same; and an insulating layer (C), between the outermost layer and the innermost layer, is of polyamide resin.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够满足耐热性提高要求并且具有耐放电性的多层电绝缘线，并且提供通过缠绕电绝缘线形成的变压器。解决方案：通过使用绝缘电线提供多层电绝缘电线和变压器，绝缘电线包括导体和涂覆导体的三个或更多个挤出绝缘层，其特征在于：树脂形成绝缘层的最外层（A）是聚苯硫醚树脂; 形成绝缘层的最内层（B）的树脂是（1）通过将含有特定官能团的1-20质量度的树脂混合并交联到100质量度的热塑性线性树脂而获得的树脂通过混合脂肪醇组分和酸组分的聚酯树脂或（2）树脂，其通过将5-40重量份的侧链具有羧酸或金属的乙烯基共聚物羧酸的碱基相同; 并且在最外层和最内层之间的绝缘层（C）是聚酰胺树脂。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2014092704A Coated optical fiber tape 有权
标题翻译：涂层光纤胶带
公开(公告)号：JP2014092704A
公开(公告)日：2014-05-19
申请号：JP2012243613
申请日：2012-11-05
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： TANAKA HIROKI , SAITO MINORU , WATANABE KODAI , ITO HIROAKI , ISHII YUKIO , ARAKOYA NOBUHIRO
IPC分类号： G02B6/44
CPC分类号： G02B6/443 , G02B6/44 , G02B6/4403
摘要： PROBLEM TO BE SOLVED: To provide a coated optical fiber tape capable of attaining compatibility between favorable transmission characteristics with less transmission loss even in such a use environment as low temperature and high humidity and favorable workability in fiber laying.SOLUTION: A coated optical fiber tape according to the present invention includes an overall coating layer which is formed of an ultraviolet-curing resin containing a non-crystalline PPG (Polypropylene Glycol) and a monomer and which is constituted on the periphery of coated optical fibers. The overall coating layer has an equilibrium elastic modulus of 12 MPa or more and 20 MPa or less, and a yield point elongation of 5% or more and 9% or less. Adhesion between the overall coating layer and an outermost layer of the coated optical fibers has a characteristic of 12 N/cm or more and 15 N/cm or less.
摘要翻译：要解决的问题：提供即使在低温高湿的使用环境下也能够获得良好的传输特性与良好的传输特性之间的兼容性的涂覆光纤带，并且在纤维铺设中具有良好的可加工性。解决方案：涂覆光纤带根据本发明，包括由包含非结晶性PPG（聚丙二醇）和单体的紫外线固化树脂形成的整体涂层，其构成在涂覆光纤的周围。总涂层的平衡弹性模量为12MPa以上且20MPa以下，屈服点伸长率为5％以上且9％以下。涂覆光纤的整体涂层和最外层之间的粘附性为12N / cm以上且15N / cm以下的特征。

5. 发明专利

JP2013171072A Coated optical fiber, fiber ribbon, and optical cable 有权
标题翻译：涂层光纤，光纤和光缆
公开(公告)号：JP2013171072A
公开(公告)日：2013-09-02
申请号：JP2012033088
申请日：2012-02-17
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： KASAHARA MINORU , SAITO MINORU , ARAKOYA NOBUHIRO
IPC分类号： G02B6/44
CPC分类号： G02B6/4494 , G02B6/02395 , G02B6/4403 , G02B6/4404
摘要： PROBLEM TO BE SOLVED: To provide a coated optical fiber in which increase in transmission loss is decreased with a configuration or method different from a conventional technology and by suppressing separation of an interface between a glass fiber and a primary coating layer occurring at water immersion.SOLUTION: A coated optical fiber 100 comprises: a glass fiber 101; a primary coating layer 102 covering an outer circumference of the glass fiber 101; a secondary coating layer 103 covering an outer circumference of the primary coating layer 102; and a colored layer 104 covering an outer circumference of the secondary coating layer 103. In the coated optical fiber 100, after immersion in a hot water of 60°C for 200 days, small bubbles are generated uniformly in the primary coating layer and a stress from the secondary coating layer to the glass primary interface is lowered to decrease the increase in transmission loss.
摘要翻译：要解决的问题：提供一种涂覆光纤，其中通过与常规技术不同的构造或方法降低传输损耗的增加，并且通过抑制在水浸时发生的玻璃纤维和主要涂层之间的界面的分离。解决方案：涂覆光纤100包括：玻璃纤维101; 覆盖玻璃纤维101的外周的主涂层102; 覆盖第一涂层102的外周的二次涂层103; 以及覆盖第二被覆层103的外周的着色层104.在被覆光纤100中，在60℃的热水中浸渍200天后，在一次被覆层中均匀地产生小气泡，从第二涂层到玻璃主界面降低以减少传输损耗的增加。

6. 发明专利

JP2009235312A Thermoplastic resin foam 有权
标题翻译：热塑性树脂泡沫
公开(公告)号：JP2009235312A
公开(公告)日：2009-10-15
申请号：JP2008085937
申请日：2008-03-28
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： KAWAKAMI MICHIAKI , SAITO MINORU
IPC分类号： C08J9/12 , C08K3/22 , C08K5/02 , C08L53/00 , C08L101/00
摘要： PROBLEM TO BE SOLVED: To provide a thermoplastic resin foam which has high reflectance and excellent fire retardance combined with each other, and which is suited for the backlight of an illumination billboard, lighting equipment, a display and so on, and for the light reflection plate of a lighting box. SOLUTION: The thermoplastic resin foam is manufactured by a manufacturing method comprising: a step to hold a resin sheet composed of a thermoplastic resin (A), a non-decabromo-based fire retardant (B), a flame-retardant aid (C), and a thermoplastic resin (D) in a pressurized inert gas atmosphere so as to make the resin sheet include the inert gas; and a step to foam the resin sheet including the inert gas by heating it to a temperature higher than the softening temperature of the thermoplastic resin under normal atmospheric pressure. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种热反射率高，阻燃性优异的热塑性树脂发泡体，其适用于照明广告牌，照明装置，显示器等的背光，并且适用于照明箱的光反射板。解决方案：热塑性树脂发泡体通过以下制造方法制造：包括：保持由热塑性树脂（A），非十溴系阻燃剂（B），阻燃助剂（C）和热塑性树脂（D），以使树脂片包含惰性气体; 以及通过在常规大气压下将其加热到高于热塑性树脂的软化温度的温度来使包含惰性气体的树脂片发泡的步骤。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009209171A Polyester-based resin foamed material and light reflection plate by using the same 有权
标题翻译：基于聚酯基树脂的泡沫材料和光反射板使用它
公开(公告)号：JP2009209171A
公开(公告)日：2009-09-17
申请号：JP2008050522
申请日：2008-02-29
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： OKI YU , INAMORI KOJIRO , YAMAZAKI HIROYUKI , SAITO MINORU , KAWAKAMI MICHIAKI
IPC分类号： C08J9/04
摘要： PROBLEM TO BE SOLVED: To provide a polyester-based resin foamed material having a high reflection rate and a brightness suitable as a light reflection board of an electrically decorated sign board, an illuminating utensil, the back light of a display, an illumination box, etc. SOLUTION: This polyester-based resin foamed material comprises the resin obtained by adding 0.1 to 10 pts.wt. of a polyester-based elastomer based on the 100 pts.wt. thermoplastic polyester resin and having a plurality of apertures at its inside. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有高反射率和适合作为电气装饰标志牌的光反射板的亮度的聚酯类树脂发泡体，照明用具，显示器的背光，照明箱等。解决方案：该聚酯基树脂发泡材料包括通过添加0.1至10重量份的树脂获得的树脂。的基于100重量份的聚酯基弹性体热塑性聚酯树脂，其内部具有多个孔。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008257924A Insulated wire, and transformer using the same 有权
标题翻译：绝缘线和使用相同的变压器
公开(公告)号：JP2008257924A
公开(公告)日：2008-10-23
申请号：JP2007096876
申请日：2007-04-02
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： FUKUDA HIDEO , SAITO MINORU , TOMOMATSU ISAO , AOI TSUNEO
IPC分类号： H01B7/02 , H01B3/20 , H01B7/00 , H01F5/06
摘要： PROBLEM TO BE SOLVED: To provide an insulated wire satisfying a requirement for improvement of heat resistance, and also having superior chemical resistance. SOLUTION: This insulated wire has a conductor and at least one layer of insulating layer to coat the conductor, and a polyphenylene sulfide resin composition containing 85 mass% of a polyphenylene sulfide resin (A-1), obtained by blending a high-viscosity polyphenylene sulfide resin (A-1) having a melt viscosity of 500-3,000N sec/cm 2 at 300°C, with low-viscosity polyphenylene sulfide resin (A-2), having a melt viscosity of 50N sec/cm 2 or higher which is lower than the melt viscosity of the high-viscosity polyphenylene sulfide resin at 300°C. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供满足耐热性提高要求的绝缘电线，并且也具有优异的耐化学性。解决方案：该绝缘线具有导体和至少一层用于涂覆导体的绝缘层，以及含有85质量％的聚苯硫醚树脂（A-1）的聚苯硫醚树脂组合物，其通过混合高 - 在300℃下熔融粘度为500-3,000Nsec / cm·SP＆gt; 2 的粘度聚苯硫醚树脂（A-1），具有低粘度聚苯硫醚树脂（A-2）在300℃下低于高粘度聚苯硫醚树脂的熔体粘度的50Nsec / cm 2 SP / 2以上的熔融粘度。版权所有（C）2009，JPO＆INPIT

9. 发明专利

JP2005055779A Primary coated optical fiber, optical fiber ribbon using the primary coated optical fiber and optical fiber cable using the optical fiber or the optical fiber ribbon 有权
标题翻译：主要涂布光纤，使用初级涂层光纤和光纤电缆的光纤罗盘，使用光纤或光纤罗伯
公开(公告)号：JP2005055779A
公开(公告)日：2005-03-03
申请号：JP2003288337
申请日：2003-08-07
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： SENOO ATSUYOSHI , SAITO MINORU
IPC分类号： G02B6/44
摘要： PROBLEM TO BE SOLVED: To provide a primary coated optical fiber having excellent fatigue characteristics for a long period, to provide an optical fiber ribbon using the primary coated optical fiber and to provide an optical fiber cable using the primary coated optical fiber or the optical fiber ribbon.
SOLUTION: The primary coated optical fiber comprises a glass optical fiber having a core and clad and at least two layers of cover layers made from an ultraviolet curing resin applied on the outside of the glass optical fiber. Therein, pH of the primary coated optical fiber is made to be 5.5 or less.
COPYRIGHT: (C)2005,JPO&NCIPI

10. 发明专利

JP2004067429A Method of manufacturing optical fiber 有权
公开(公告)号：JP2004067429A
公开(公告)日：2004-03-04
申请号：JP2002227857
申请日：2002-08-05
申请人： Furukawa Electric Co Ltd:The , 古河電気工業株式会社
发明人： NAKAJIMA YASUO , SAITO MINORU , OKADA MITSUNORI , SUZUKI TAKASHI
IPC分类号： G02B6/44 , C03C25/10
摘要： PROBLEM TO BE SOLVED: To solve the problems of the fluctuation of the outer diameter or the like of a resin layer coated on an optical fiber at the time of drawing with a high speed, and to provide a resin which is used for coating of the optical fiber and has excellent production stability.
SOLUTION: Drawing is carried out in a temperature range in which the ratio of the value of the dielectric dissipation factor at the coating resin temperature in the optical fiber drawing process to the value of the dielectric dissipation factor at the dielectric dissipation factor peak temperature at a frequency of 1 Hz of the resin for the coating of the optical fiber becomes ≥0.8. Alternatively, drawing is carried out at a temperature at which the ratio of the value of the dielectric dissipation factor at the coating resin temperature in the optical fiber drawing process to the value of the dielectric dissipation factor at the dielectric dissipation factor peak temperature at a frequency of 1 Hz of the resin for the coating of the optical fiber becomes ≥0.8 and in a range between the temperature in the higher temperature side than the dielectric dissipation factor peak temperature and the dielectric dissipation factor peak temperature.
COPYRIGHT: (C)2004,JPO

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