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1. 发明专利

JPH04155713A BASKET WITH INNER DRUM TO SUIT BOTTOM SHAPE OF CABLE 失效
公开(公告)号：JPH04155713A
公开(公告)日：1992-05-28
申请号：JP28268490
申请日：1990-10-19
申请人： HITACHI CABLE
发明人： ENDO TSUTOMU , SATOMOTO MICHIO , ABE KEIZO , HAYASHINAKA TOSHIO , SUGAYA TSUNEO , ITO KAN
IPC分类号： B65H54/76 , B21F99/00 , H01B13/00
摘要： PURPOSE:To prevent a cable from damage by forming a power cable bottom part in initial winding as recessed in an amount corresponding to the shape mating with the cable bottom inside of a basket, achieving uniform winding, and thereby preventing the basket having an inner drum from deforming power cables under manufacture. CONSTITUTION:To wind a cable 4 around a basket 10, first the cable bottom 4a is placed in the position with a recess 6 on the inside 1, and a current drying terminal is mounted in the upright attitude as shown by solid lines. This basket 10 with cable 4 wound is inserted in a vacuum can, followed by evacuation, and current is flowed to make drying. After finish of drying, the current drying terminal is removed from the cable 4, and the part with cable bottom 4a is inserted to the recess 6 in the inner drum 1 as shown by broken line so that its becomes flush with the bottom surface of the basket. and winding-back or payoff of the cable 4 is performed. This precludes deformation of power cables under manufacture, and in handling, the power cable is well prevented from external damage.

2. 发明专利

JPH0242409A S-Z TYPE SPACER FOR OPTICAL CABLE AND ITS MANUFACTURE 失效
公开(公告)号：JPH0242409A
公开(公告)日：1990-02-13
申请号：JP19204788
申请日：1988-08-02
申请人： HITACHI CABLE
发明人： AOKI TADASHI , SAWARA KAZUJI , SATO TADASHI , ENDO TSUTOMU , TAKAHASHI AKINORI , ONISHI MITSURU
IPC分类号： G02B6/44
摘要： PURPOSE:To facilitate branching and connecting work in optical cable laying work by forming a deformed part in the part of a spiral groove part to store an optical fiber. CONSTITUTION:When a spiral groove 16 is formed on the outer circumference of a long spacer, the speed of rotation is changed intermittently by an inverter and a deformed part 17 is formed in the part of the spiral groove 16. That is to say, the spiral groove 16 is provided on the outer circumference of the spacer, the deformed part 17 is formed in the spiral groove 16 and an optical fiber 18 is stored in the spiral groove 16. Consequently, a jig, etc., are inserted in the deformed part 17 and a core can be pulled out. Thus, in optical cable core pulling out work in the optical cable laying work, the core can be easily pulled out by using the jig.

3. 发明专利

JPS6244912A MANUFACTURE OF FOAM INSULATED WIRE 失效
公开(公告)号：JPS6244912A
公开(公告)日：1987-02-26
申请号：JP18329085
申请日：1985-08-21
申请人： HITACHI CABLE
发明人： ABE KEIZO , ENDO TSUTOMU , TOKUDA TSUTOMU , NAKAHIGASHI FUMIKATA
IPC分类号： H01B13/14 , B29C47/88 , B29K105/04

4. 发明专利

JPS6146297B2 失效
公开(公告)号：JPS6146297B2
公开(公告)日：1986-10-13
申请号：JP1122882
申请日：1982-01-27
申请人： HITACHI CABLE
发明人： HORII KOJI , ENDO TSUTOMU , MARUYAMA TAKATOSHI , FUJITA ROIO , TOMITA HIROSHI
IPC分类号： B29C47/02 , B29B7/00 , B29C47/00 , B29C47/04 , B29C47/06 , B29C47/56 , B29C48/335 , B29C48/34 , B29L9/00 , B29L31/34 , H01B13/14

5. 发明专利

JPS5838100B2 失效
公开(公告)号：JPS5838100B2
公开(公告)日：1983-08-20
申请号：JP1735880
申请日：1980-02-14
申请人： HITACHI CABLE
发明人： HORII KOJI , TAKAHASHI KENJI , MORI MASAMI , ENDO TSUTOMU
IPC分类号： H01B13/14 , B29B7/00 , B29C47/00 , B29C47/08 , B29C47/68 , B29C48/34

6. 发明专利

JPH04135823A EXTRUSION MOLDING METHOD FOR THERMOPLASTIC MATERIAL 失效
公开(公告)号：JPH04135823A
公开(公告)日：1992-05-11
申请号：JP25732090
申请日：1990-09-28
申请人： HITACHI CABLE
发明人： ENDO TSUTOMU , TAKAHATA NORIO
IPC分类号： B29C48/30
摘要： PURPOSE:To prevent tailings from developing on an extrusion-molded article by a method wherein ultrasonic or high frequency vibration is respectively given to a mouthpiece which comes into contact with the outer surface of the molded article and a core piece which comes into contact with the inner surface of the molded article. CONSTITUTION:By energizing the piezoelectric element or magnetostrictive element of vibrators 3 and 4 with oscillators 1 and 2, ultrasonic or high frequency vibration is generated. The vibration of the vibrator 3 is given through its vibration transmitter to a core piece 5 and that of the vibrator 4 is given through its vibration transmitter to a mouthpiece 6. These vibrations are supersonic or high frequency vibration. Due to the vibration of the core piece 5, the generation of tailings in and their adhesion to the inner surface of material flow path 7 is prevented from occurring. Similarly, due to the vibration of the mouthpiece 6, the generation of tailings on and their adhesion to the outer surface of the material flow path 7 is prevented from occurring. Further, the extrusion pressure of highly viscous material (of green rubber, synthetic resin or the like), which passes through the material flow path 7, becomes lower as compared with the one under the condition that no vibration is given to the core piece and the mouthpiece, resulting in facilitating molding work.

7. 发明专利

JPS6258810A RESIN REPLENISHING HOPPER FOR MOLD CONNECTION EXTRUDER OF CROSSLINKED POLYETHYLENE INSULATED CABLE 失效
公开(公告)号：JPS6258810A
公开(公告)日：1987-03-14
申请号：JP19453285
申请日：1985-09-03
申请人： TOKYO ELECTRIC POWER CO , HITACHI CABLE
发明人： NAKABASAMI TOSHIAKI , YAMAGUCHI MASAYUKI , TANNO SHIRO , ENDO TSUTOMU
IPC分类号： H02G1/14 , B29C31/02 , B29C39/10 , B29C39/24 , B29C47/10 , B29K23/00 , B29L31/34

8. 发明专利

JPS61259412A MANUFACTURE OF FLUOROCARBON RESIN FOAM INSULATED WIRE 失效
公开(公告)号：JPS61259412A
公开(公告)日：1986-11-17
申请号：JP10113085
申请日：1985-05-13
申请人： HITACHI CABLE
发明人： SHIMAZAKI HIROAKI , ENDO TSUTOMU , ANDO YOSHIYUKI , NAKAHIGASHI FUMIKATA
IPC分类号： B29C47/02 , B29C48/34 , B29L31/34 , H01B13/14 , H01B13/24

9. 发明专利

JPH0361290B2 失效
公开(公告)号：JPH0361290B2
公开(公告)日：1991-09-19
申请号：JP18329085
申请日：1985-08-21
申请人： HITACHI CABLE
发明人： ABE KEIZO , ENDO TSUTOMU , TOKUDA TSUTOMU , NAKAHIGASHI FUMIKATA
IPC分类号： H01B13/14 , B29C47/88 , B29K105/04

10. 发明专利

JPH0228606A PRODUCTION OF SPACER FOR OPTICAL COMMUNICATION CABLE 失效
公开(公告)号：JPH0228606A
公开(公告)日：1990-01-30
申请号：JP21252088
申请日：1988-08-29
申请人： HITACHI CABLE
发明人： SATO TADASHI , SAWARA KAZUJI , AOKI TADASHI , HORIGUCHI TADASHI , ENDO TSUTOMU , TAKAHASHI AKITETSU
IPC分类号： G02B6/44
摘要： PURPOSE:To obviate groove inclination in a spacer section by coating a tension member with a rein and simultaneously extruding the spacer while forming plural line of optical core housing grooves to the resin surface and passing the spacer through as rotary sizing device, then cooling and taking off the spacer. CONSTITUTION:The resin is extruded from a nozzle 6 which has plural projections on the inner periphery and rotates in alternately reversed directions, by which the resin is applied on the tension member 2 and plural lines of the optical core housing grooves 18 are formed on the resin surface to serve as the spacer. The optical core housing grooves 18 are formed in the form in which left-hand lays and right-hand lays are alternately continuous. The groove inclination viewed in the spacer section is generated when the twisting angle thereof is maintained at 360 deg. and the reversal pitch is maintained at 250mm. However, this spacer is cooled and taken off after the spacer is passed through the rotary sizing device 9 and is subjected to groove inclination correction (sizing). The good spacer section having no groove inclination is thus obtd.

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