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1. 发明专利

JPH09198935A HEAT RESISTANT/RADIATION RESISTANT CABLE, MANUFACTURE OF CABLE, AND ROBOT USING IT 失效
公开(公告)号：JPH09198935A
公开(公告)日：1997-07-31
申请号：JP584396
申请日：1996-01-17
申请人： SHOWA ELECTRIC WIRE & CABLE CO , TOSHIBA CORP , JAPAN ATOMIC ENERGY RES INST
发明人： SHIONO TAKEO , NAKAMURA HIROSHI , CHO HARUNARI , OOSADA KOUJI , MITSUI HISAYASU , KARASAWA HIROICHI , SEGUCHI TADAO , YAGI TOSHIAKI
IPC分类号： C09D179/08 , H01B3/30 , H01B7/28
摘要： PROBLEM TO BE SOLVED: To provide a cable which can favorably be used in a high speed breeder reactor or a nuclear fusion reactor, whose heat-resisting service temp. is over 270 deg.C, and which excels in the anti-radiations characteristics, to establish a method of manufacturing such cables, and to embody a robot using such cables. SOLUTION: A conductor is furnished at the periphery with an insulative covering whose basic skeleton consists of a cyclic unit expressed by the equation and which chiefly contains thermoplastic polyimide having a degree of crystallization under 5% after 10-min heating at a temp. of 320 deg.C. It is desirable that the insulative covering is irradiated with radiations over 5MGy under the heating at a temp. over 60 deg.C. An improved robot is accomplished with such cables.

2. 发明专利

JPH10326523A HEAT RESISTANT AND RADIATION RESISTANT COMPOSITION, AND CABLE, ROBOT, AND MOLDING USING IT 失效
公开(公告)号：JPH10326523A
公开(公告)日：1998-12-08
申请号：JP13670297
申请日：1997-05-27
申请人： SHOWA ELECTRIC WIRE & CABLE CO , TOSHIBA CORP , JAPAN ATOMIC ENERGY RES INST
发明人： OOSADA KOUJI , SHIONO TAKEO , MITSUI HISAYASU , KARASAWA HIROICHI , MASUMOTO HIROSHI , SEGUCHI TADAO , YAGI TOSHIAKI
IPC分类号： C08L79/08 , H01B3/30 , H01B7/28
摘要： PROBLEM TO BE SOLVED: To provide a heat resistant and radiation resistant composition useful for coating material for a wire and a cable used in the periphery of a fast breeder reactor, a fusion reactor and the like, having heat resistant temperature of 270 deg.C or more, and superior in radiation resistance, and provide the cable, a robot, and a molding using the same. SOLUTION: This composition comprises as a main component thermoplastic polyimide having a repetition unit expressed by the formula as a basic skeleton. As the thermoplastic polyimide, the thermoplastic polyimide of crystallinity exceeding 5% after ten minute heating at a temperature of 320 deg.C and thermoplastic polyimide of the crystallinity of 5% or less after ten minute heating at a temperature of 320 deg.C, are mixed so as to be in a range of 10 to 90 wt.% respectively and used. The composition is coated on the outer periphery of a conductor so as to constitute a cable, and a robot is constituted using the cable. The composition is molded into a predetermined shape so as to constitute a molding.

3. 发明专利

JPH06281848A LOOSE TUBE TYPE OPTICAL FIBER CABLE 失效
公开(公告)号：JPH06281848A
公开(公告)日：1994-10-07
申请号：JP18786993
申请日：1993-07-29
申请人： SHOWA ELECTRIC WIRE & CABLE CO
发明人： SHIONO TAKEO , YAGI KENJI , NAKAMURA HIROSHI , INOUE NAOYA , TANIMOTO HAJIME , OOSADA KOUJI , SEKI TOSHIKUNI
IPC分类号： G01N25/72 , G02B6/02 , G02B6/44
摘要： PURPOSE:To provide the loose type optical fiber cable which can rapidly and surely detect the infiltration of water from the outside. CONSTITUTION:Plural pieces of loose tube type optical fiber units 12 formed by loosely housing plural pieces of optical fibers 10 subjected to primary coating into tube 9 consisting of polybutyrene terephthalate (PBT), etc., and packing jelly-like admixture 11 contg. material which generates heat or absorbs heat by reacting with water into the gap of the tube 9 are twisted together around the outer periphery of a tension member consisting of a steel wire or FRP (glass fiber reinforced resin) and the outer side thereof is provided with a sheath 14 consisting of polythylene, etc., via a retaining winding layer 13.

4. 发明专利

JPH0326730A FLUORESCENT PLASTIC COMPOSITION 失效
公开(公告)号：JPH0326730A
公开(公告)日：1991-02-05
申请号：JP16216389
申请日：1989-06-23
申请人： SHOWA ELECTRIC WIRE & CABLE CO
发明人： OOSADA KOUJI , ITO KAZUMI , AIDA FUMIO
IPC分类号： C08K7/28 , C08K7/16 , C08K9/08 , C08K9/10
摘要： PURPOSE:To obtain the title composition which is free from color migration and has good weather resistance, light resistance and appearance by adding a coloring filler prepared by filling specific glass microballoons with fluorescent pigment or the like. CONSTITUTION:The subject composition is obtained by compounding 100 pts.wt. of a thermoplastic resin such as vinyl chloride resin with a coloring filler which is prepared by filling glass microballoons of 0.1 to 600mum average diameter and 0.01 to 10mum wall thickness with a fluorescent pigment or light-storing pigment, preferably in an amount of 0.1 to 10 pts.wt., in case of the fluorescent pigment, or 10 to 30 pts.wt. of the light-storing pigment, per 100 pts.wt. of the resin.

5. 发明专利

JPH02170838A PRODUCTION OF EXPANDED POLYPROPYLENE MOLDINGS 失效
公开(公告)号：JPH02170838A
公开(公告)日：1990-07-02
申请号：JP32672388
申请日：1988-12-23
申请人： SHOWA ELECTRIC WIRE & CABLE CO
发明人： OOSADA KOUJI , ITO KAZUMI
IPC分类号： C08J9/10 , C08F255/02 , C08L23/10
摘要： PURPOSE:To obtain the subject moldings excellent in heat resistance and capable of one-piece molding by adding a chemical blowing agent to a graft polymer synthesized from propylene powder, an organic peroxide and a specified silane compound, molding the resultant mixture and expanding the moldings under heating. CONSTITUTION:To (A) 100 pts.wt. graft polymer prepared by blending an organic peroxide and a silane compound of formula RR'SiY3 (R is monovalent olefinic unsaturated hydrocarbon group; R' is divalent hydrocarbon group except fatty unsaturated group; Y is monovalent organic group) with polypropylene powder (e.g. random copolymer, etc.) with

6. 发明专利

JPH02166106A PRODUCTION OF CROSSLINKED POLYPROPYLENE MOLDING 失效
公开(公告)号：JPH02166106A
公开(公告)日：1990-06-26
申请号：JP32026688
申请日：1988-12-19
申请人： SHOWA ELECTRIC WIRE & CABLE CO
发明人： OOSADA KOUJI , ITO KAZUMI
IPC分类号： B29C43/02 , B29C43/32 , B29K23/00 , C08F255/02 , C08J3/24 , C08J7/12
摘要： PURPOSE:To produce inexpensively the title molding excellent in heat resistance, impact resistance, adhesion to metals, etc., by stamping a graft polymer obtained from a PP powder, an organic peroxide and a silane compound and bringing the product into contact with water in the presence of a silanol condensation catalyst to crosslink the polymer. CONSTITUTION:A composition prepared by adding a silane compound (e.g. a compound of formula II) of formula I (wherein R is a monovalent olefinically unsaturated hydrocarbon group or a monovalent hydroxyhydrocarbon group; R' is a bivalent, aliphatically unsaturated group-free hydrocarbon group; and Y is a monovalent hydrolyzable organic group) and an organic peroxide to a PP powder of a particle diameter

7. 发明专利

JPS648037A HEAT RESISTANT RESIN MOLDING 失效
公开(公告)号：JPS648037A
公开(公告)日：1989-01-12
申请号：JP16282987
申请日：1987-06-30
申请人： SHOWA ELECTRIC WIRE & CABLE CO
发明人： ITO KAZUMI , HASEGAWA TAKAYO , OOSADA KOUJI
IPC分类号： C08L51/06 , B29C45/14 , B32B15/08 , B32B15/085
摘要： PURPOSE:To improve moldability and heat resistance by integrally molding silane crosslinking polypropylene with metal. CONSTITUTION:In a composite molding made of metal and heat resistant resin, silane crosslinking polypropylene is used as the heat resistant resin, and integrally molded with the metal. In order to obtain a molding with high elasticity, 5-60wt.% of mixture of one or more selected from glass fiber, magnesium silicate, etc., may be added. Further, when the bondability of the metal to the silane crosslinking polypropylene is further to be improved, 1-10wt.% of bondable polymer is preferably added.

8. 发明专利

JPH09113402A WETTING DETECTION SENSOR AND OPTICAL FIBER USING IT 失效
公开(公告)号：JPH09113402A
公开(公告)日：1997-05-02
申请号：JP26746895
申请日：1995-10-16
申请人： SHOWA ELECTRIC WIRE & CABLE CO
发明人： NAKAMURA HIROSHI , SHIONO TAKEO , ITO MITSUO , TANIMOTO HAJIME , OOSADA KOUJI , SEKI TOSHIKUNI , CHO HARUNARI , SHIRAISHI KEIKO , MURASE TOMOTAKA
IPC分类号： G01M3/38 , G02B6/02 , G02B6/44
摘要： PROBLEM TO BE SOLVED: To obtain a wetting detection sensor by which an optical transmission loss by a cause other than a wetting operation is exclused and by which a wetting position can be detected by a method wherein a plurality of wetting detection fibers in which every water- absorbing swelling layer is formed on every optical fiber core wire in which every coating layer is formed on every optical fiber strand are arranged in parallel and a common coating layer is provided on the outer circumference of every core wire and of the detection fibers. SOLUTION: A water-absorbing welling layer on the outer circumference of an optical fiber core wire is a resin layer which captures moisture in a wetted place and which absorbs the moisture so as to be swollen, a local bend or a microbend is generated in a strand due to a swelling operation, and an optical transmission loss is increased. A hydroxyl group is added to a photocuring resin as the swelling layer, and an epoxy acrylate resin or the like is used as a resin for a common coating layer on the outer circumference of the core wire and of a wetting detection optical fiber. The core wire is manufactured in such a way that the strand is coated with a resin composed mainly of an ultraviolet curing resin so as to be passed through an ultraviolet irradiation apparatus. The swelling layer at the detection fiber absorbs moisture when it is wetted, a side pressure is applied to the strand, the optical transmission loss is increased, the loss is detected so as to be compared, and the loss due to a true wetting operation is detected.

9. 发明专利

JPH08334662A OPTICAL FIBER CABLE 失效
公开(公告)号：JPH08334662A
公开(公告)日：1996-12-17
申请号：JP14169095
申请日：1995-06-08
申请人： SHOWA ELECTRIC WIRE & CABLE CO
发明人： KODAMA YOSHINAO , ECHIGOYA KAZUYOSHI , OHASHI SHOGO , ITO MITSUO , OOSADA KOUJI
IPC分类号： G02B6/44
摘要： PURPOSE: To provide an optical fiber cable capable of performing high density assemblage of optical fibers, drawing only a required fiber and letting the remainder through, connecting to a single core fiber without necessitating a core converter and suitable for a subscriber optical fiber cable. CONSTITUTION: Plural numbers of a coated optical fiber 25 formed by arranging in parallel a plurality of an optical fiber 23, on the periphery of which a UV resin or the like are applied, and covering the outer periphery of the optical fiber 23 with a certain interval in the longitudinal direction are laminated and housed in a groove 22 formed on the outer periphery of a slot rod 20 and a press winding layer 26 and a jacket 27 are successively provided on the outer periphery thereof.

10. 发明专利

JPH08334661A COATED OPTICAL FIBER 失效
公开(公告)号：JPH08334661A
公开(公告)日：1996-12-17
申请号：JP14281795
申请日：1995-06-09
申请人： SHOWA ELECTRIC WIRE & CABLE CO
发明人： OOSADA KOUJI , ITO MITSUO , ECHIGOYA KAZUYOSHI , KODAMA YOSHINAO , OHASHI SHOGO
IPC分类号： G02B6/44
摘要： PURPOSE: To improve reliability by improving lateral pressure resistant property in a non-combined part of a coated optical fiber provided alternately with a combined part, where plural optical fibers are combined, and the non-combined part, where the optical fibers are not combined, and mitigating bending stress concentrating to a boundary part between the combined part and the non- combined part. CONSTITUTION: The plural numbers of the optical fiber provided successively with a primary layer 11b and a secondary layer 11c formed but of a UV resin or the like on the outer periphery of an optical fiber 11a and further provided with a coloring agent layer 11d of >=90kgf/mm in Young's modulus are arranged in parallel and covered in a bundle with a certain interval in the longitudinal direction on the outer periphery thereof. The cover in a bundle is formed by using a covering material having lower Young's modulus than that of the coloring agent layer 11d of the optical fiber 11.

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