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    • 1. 发明专利
    • Hollow core body for coaxial cable, manufacturing method of the core body, and coaxial cable using the core body
    • 同轴电缆的中空体,核心体的制造方法和使用核心体的同轴电缆
    • JP2007335393A
    • 2007-12-27
    • JP2006258356
    • 2006-09-25
    • Ube Nitto Kasei Co Ltd宇部日東化成株式会社
    • TANAKA SEISHIMATSUNO SHIGEHIROTAKADA TAKAHISA
    • H01B11/18H01B13/016
    • PROBLEM TO BE SOLVED: To provide a hollow core body for a coaxial cable capable of reducing the dielectric constant, to provide a manufacturing method of the core body, and to provide a coaxial cable using the core body. SOLUTION: A hollow core body 10 for a coaxial cable comprises an inner conductor 12, an inner annular part 14a which covers the conductor 12, a plurality of rib parts 14b radially extending from the inner annular part 14a, and an outer annular part 14c which connects an outer end of the rib part 14b and has a plurality of hollow parts 16 surrounded by inner and outer annular parts 14a, 14c. The outside diameter of the outer annular part 14c is not more than 5.0 mm, the ratio of the hollow part 16 is not less than 40%, and the roundness of the outer annular part 14c is not less than 96.0%. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供能够降低介电常数的同轴电缆的中空芯体,提供芯体的制造方法,并提供使用该芯体的同轴电缆。 解决方案:用于同轴电缆的中空芯体10包括内部导体12,覆盖导体12的内部环形部分14a,从内部环形部分14a径向延伸的多个肋部分14b和外部环形部分 连接肋部14b的外端的部分14c具有由内外环14a,14c包围的多个中空部16。 外侧环状部14c的外径为5.0mm以下,中空部16的比例为40%以上,外侧环状部14c的圆度为96.0%以上。 版权所有(C)2008,JPO&INPIT
    • 2. 发明专利
    • Reinforcing material made from fiber-reinforced thermoplastic resin and method for producing the same
    • 纤维增强热塑性树脂的增强材料及其制造方法
    • JP2005120547A
    • 2005-05-12
    • JP2003359244
    • 2003-10-20
    • Ube Nitto Kasei Co Ltd宇部日東化成株式会社
    • OTA SHINJIMATSUNO SHIGEHIRONAKASONE TAKAYOSHIOTA AKIOYASHIRO HIROFUMI
    • E02D17/18B28B23/02D04C1/06E02D17/20E04C5/07
    • PROBLEM TO BE SOLVED: To provide a reinforcing material made from a fiber-reinforced synthetic resin without becoming a cause of peeling off of concrete, etc., by corrosion.
      SOLUTION: This reinforcing material is produced from a composite fiber bundle 1 obtained by bundling in a plurality of composite fibers. The composite fibers are equipped with a low melting point component consisting of a thermoplastic resin constituting a matrix resin, and a high melting point component consisting of a thermoplastic resin constituting the reinforcing fiber. In the case of producing the composite fiber bundle 1 from in the plurality of composite fibers, they are twisted for preventing them from becoming released and falling into pieces. The composite fiber bundle intermediate linear material 1 is wound on a linear material-delivery bobbin of a net-twisting machine, and a mesh-formed material 3 is formed. The mesh-formed material 3 is heated at or higher than the melting point of the low melting point component and at or lower than the melting point of the higher melting point component to melt the lower melting point component and then cooled to make a net-formed material made from a fiber-reinforced thermoplastic resin obtained by fixing the reinforcing fibers (the higher melting component) with the low melting component in one unit. The net-formed material can be used as the reinforcement of piled soil or slope surface.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供由纤维增强合成树脂制成的增强材料,而不会由于腐蚀而成为混凝土等的剥离的原因。 解决方案:该增强材料由通过捆扎在多个复合纤维中获得的复合纤维束1制成。 复合纤维配备有由构成基体树脂的热塑性树脂构成的低熔点组分和由构成增强纤维的热塑性树脂组成的高熔点组分。 在从多根复合纤维制造复合纤维束1的情况下,它们被扭曲以防止它们脱落并落入碎片中。 复合纤维束中间线材1卷绕在网状捻线机的直线送出筒管上,形成网状材料3。 将网状材料3加热至低于低熔点成分的熔点以上且熔点较高熔点成分以下的熔点,然后冷却, 通过将低熔点成分固化在一个单位的增强纤维(较高熔点成分)而得到的纤维增强热塑性树脂制成的成形材料。 网状材料可用作堆土或坡面的加固。 版权所有(C)2005,JPO&NCIPI
    • 3. 发明专利
    • TWO-GROOVE SPIRAL SLOT AND ITS PRODUCTION
    • JPH07134228A
    • 1995-05-23
    • JP27972293
    • 1993-11-09
    • UBE NITTO KASEI CO
    • KOZUKA KENJIISOBE MASATOMATSUNO SHIGEHIRO
    • G02B6/44H01B11/22
    • PURPOSE:To provide a process for production of two-groove spiral slots having a groove size and spiral pitch stable over a long period of time. CONSTITUTION:A tensile wire is set at a rotary supplying machine 10 and is supplied to a extruder 14 while applying tension on the wire by a powder clutch 12 and rotating and twisting (in the same direction as the direction of the twists applied in a second stage) the wire. Next, a PC/PBT resin is extruded in a molten state on the outer periphery of the tension wire to coat the wire with this resin. The resin is cooled to solidify in a cooling tank 16 and while straight housing grooves are being sized by a sizing key 18, the tensile wire is taken off by a take-off machine 20. Next, the resulted molding is introduced into a heat treating furnace 22 and is passed through a furnace 22 to heat and soften the PC/PBT resin. Thereafter, the tensile wire is supplied to a sizing device 26 via a rotation preventive guide 24 having a projection engaging with the grooves. The device 26 is used to size the groove while rotating by engaging with the spiral housing grooves formed according to the twists applied by a rotary take-off machine 28. The straight square housing grooves of the slots are made to be spiral, fixed and sized under cooling in the device 26.
    • 4. 发明专利
    • REINFORCED PLASTIC ARMORED CABLE AND ITS PRODUCTION
    • JPH0713056A
    • 1995-01-17
    • JP15953391
    • 1991-06-04
    • UBE NITTO KASEI CO
    • MATSUNO SHIGEHIROKOZUKA KENJINAITO MINORUYASUDA KAZUO
    • G02B6/44H01B11/22H01B13/00
    • PURPOSE:To provide the process for production of the reinforced plastic armored cable capable of assuring the storage stability of an uncured resin, eliminating biasing, etc., of reinforcing fibers and shortening production stages. CONSTITUTION:An uncured armor wire B is guided by a guide 18 so as to enclose the outer periphery of a coated optical fiber tape cable A arranged at the center and while waterproof jelly is applied thereon in a through-hole guide 19, the armor wire is converged and passed in a guide 20 and is twisted by a rotary takeoff machine arranged backward; in succession, the armor wire is coated with a low-density polyethylene in a molten state from an extruder 21 for outer peripheral coating. After the coating layer is cooled to solidify in a cooling water tank 23, the armor wire is introduced to a thermal curing vessel 24 where the uncured thermosetting resin in the internal armor wire B is cured. The cured armor wire is taken up on a drum of a rotary take-up machine 26 via a rotary take-off machine 25. The uncured armor wire B is stranded on the outer periphery of the cable A by rotating the armor cable after curing around the major axis of the cable A in tune with the rotary take- off machine 25 and the rotary take-up machine 26.
    • 6. 发明专利
    • STICK-LIKE ARTICLE MADE OF FIBER REINFORCED RESIN
    • JPH06166110A
    • 1994-06-14
    • JP32194592
    • 1992-12-01
    • UBE NITTO KASEI CO
    • TAKADA TAKAHISAMATSUNO SHIGEHIROONODERA AKIOSHIMOMURA TOMOSHI
    • B29C70/06B29L31/10D01D5/30D01F8/04E04C2/02E04C2/10E04C5/07B29C67/14
    • PURPOSE:To enable using mainly thermosetting resin having many kinds by controlling the use of a photosetting resin by using non-light transmitting fibers as reinforcing fibers by combining a core part comprising a thermosetting resin reinforced with light transmitting fibers and non-light transmitting fibers and a surface layer comprising a photosetting resin reinforced with light transmitting fibers. CONSTITUTION:A bundle of reinforcing filaments which is impregnated with an uncured thermosetting liquid resin and an uncured photosetting liquid resin is passed through squeezing parts 8, 10 having a specified form to form a core part and a surface layer, which are combined to make a laminate, which, immediately after being passed through the squeezing part 10, is irradiated with ultraviolet rays 11 on its surface, so that the photosetting resin contained in the surface layer first reacts to cure the surface layer. The laminate is heated sequentially so that the thermosetting resin contained in the core part reacts to solidify the core part. Thereafter, the uncured resins diffuse to each other to be combined so that the boundary between the core part and the surface layer disappears substantially. Since the core part comprises the thermosetting resin, different from the photosetting resin, the light transmitting reinforcing fibers and/or non-light transmitting reinforcing fibers can be used as a reinforcing material.
    • 8. 发明专利
    • MANUFACTURE OF REINFORCED PLASTIC ARMORED CABLE
    • JPH0445914A
    • 1992-02-14
    • JP15387590
    • 1990-06-14
    • UBE NITTO KASEI CO
    • MATSUNO SHIGEHIROKOZUKA KENJINAITO MINORUYASUDA KAZUO
    • G02B6/44B29C47/02C03C25/12H01B7/17H01B7/28H01B13/22H01B13/32
    • PURPOSE:To prevent the offsetting or disturbance of reinforcing fibers and the lowering of physical properties after curing by impregnating reinforcing fibers with a thermosetting resin to form composite reinforced plastic armor wires and twisting said wires on the outer periphery of a cable to coat the same with a thermoplastic resin and curing the coated one in a heating medium. CONSTITUTION:Long reinforcing fibers 12 are impregnated with an uncured thermosetting resin and molded to form uncured wire like materials which are, in turn, passed through the die of a melting extruder to form the coating layers 17 composed of the thermosetting resin to the outer peripheries of the wire like materials in an annular form. The coating layers 17 are cooled to prepare a predetermined number of uncured reinforced plastic armor wires B at the same time. These wires B are twisted on the outer periphery of the cable A supplied to the central part of the wires B while rotated around its long axis at a predetermined pitch. In a word, the gaps between the coated wires and the outer peripheries thereof are filled and coated with a waterproof jelly and the coated wires are passed through the die part of the melting extruder to coat outer layer coating 22 with a thermoplastic resin. The coated one is cooled and solidified and subsequently guided to a heating curing tank having a liquid received therein as a heating medium and taken up by a rotary taking-up machine while the uncured thermosetting resin therein is cured.