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91. 发明专利

JPH06148483A SELF-SUPPORTING CABLE PRODUCING DEVICE 失效
公开(公告)号：JPH06148483A
公开(公告)日：1994-05-27
申请号：JP32891192
申请日：1992-11-12
申请人： MITSUBISHI CABLE IND LTD
发明人： KIMURA KATSUHISA , TAKAI TAKUMA , KANEKO TAKASHI , YANO TAKAHIKO
IPC分类号： G02B6/44
摘要： PURPOSE:To provide a self-supporting cable producing device allowing a core to secure specified wrenched amount by reducing the twist of the neck part of a sheath. CONSTITUTION:This device is provided with a crosshead 15 for coating a cable core 2 and a supporting line 3 with the sheath having the neck part in common. A core extending machine 17 for extending the cable core 2 to the crosshead 15 is provided on the upstream side of the crosshead 15. This core extending machine 17 applies wrench in a reverse direction to the rotating direction of the crosshead 15 to the cable core 2 in synchronism with the rotation of the crosshead 15.

92. 发明专利

JPH06148482A SELF-SUPPORTING CABLE PRODUCING DEVICE 失效
公开(公告)号：JPH06148482A
公开(公告)日：1994-05-27
申请号：JP32891092
申请日：1992-11-12
申请人： MITSUBISHI CABLE IND LTD
发明人： KIMURA KATSUHISA , TAKAI TAKUMA , KANEKO TAKASHI , YANO TAKAHIKO
IPC分类号： G02B6/44
摘要： PURPOSE:To provide a self-supporting cable producing device allowing a core to secure specified wrenched amount by reducing the twist of the neck part of a sheath. CONSTITUTION:This device is provided with a crosshead 15 for coating a cable core 2 and a supporting line 3 with the sheath having the neck part in common. A core extending machine 17 for extending the cable core 2 to the crosshead 15 is provided on the upstream side of the crosshead 15. The core extending machine 17 loosens the cable core 2. The loosened cable core 2 is supplied to the crosshead 15.

93. 发明专利

JPH05215946A OPTICAL FIBER CABLE 失效
公开(公告)号：JPH05215946A
公开(公告)日：1993-08-27
申请号：JP5685792
申请日：1992-02-06
申请人： MITSUBISHI CABLE IND LTD
发明人： KANEKO TAKASHI , TAKAI TAKUMA , MUTO TOYOHIRO , MORITA YUKIO , TSUJI KOJI , SUMIYA FUKUICHI , IMAMURA KAZUO , KIMURA KATSUHISA
IPC分类号： C03C25/24 , G02B6/44
摘要： PURPOSE:To enable to reduce a friction coefficient in the case that a polyethylene pipe is used as a pneumatic pipe, to improve wire passage characteristics and to hardly increase the transmission loss of an optical fiber at low temp. CONSTITUTION:The cable has a primary covering layer 4, a secondary covering layer 5 and a tertiary outermost covering layer 6. The outermost covering layer 6 is made from a foamed product of a mixture of a high density polyethylene and a low density polyethylene and the average thickness T is extremely thin such as 0.005mm-0.20mm thick. The secondary covering layer 5 is made from a foamed product of a low density polyethylene.

94. 发明专利

JPH01313813A SZ WIRE STRANDING AND COMBINING MACHINE FOR COMMUNICATION CABLE 失效
公开(公告)号：JPH01313813A
公开(公告)日：1989-12-19
申请号：JP14436588
申请日：1988-06-10
申请人： MITSUBISHI CABLE IND LTD
发明人： TAKAI TAKUMA , KAMATA YASUTAKA , ONO TAKESHI , ISHIDA KAZUMI
IPC分类号： H01B13/02
摘要： PURPOSE:To prevent combined wires from being damaged by controlling auxiliary receiving means individually according to signals from respective tension detectors, and thereby maintaining the tensions of combined wires at specified values. CONSTITUTION:Between a subunit combining means 15 and a unit combining means 16, namely a torsion catcher 4 and a guide roll 5, a plurality of auxiliary receiving means 18 for receiving a plurality of combined wires 52 from the catcher 4 are arranged. Between these means 18, a plurality of tension detectors 19 respectively detecting the tensions of the combined wires 52 received by the means 18 are arranged. The detectors 19 detect the tensions of the wires 52 respectively, and according to the detection signals, the means 18 are controlled respectively. As a result, the receiving speeds of the means 18 are accurately controlled, and the tensions of the wires 52 are maintained at specified small values respectively. It is thus possible to obtain a communication cable excellent in its quality without giving damage to the wires 52.

95. 发明专利

JPS62125318A FIBER SCOPE HEAD 失效
公开(公告)号：JPS62125318A
公开(公告)日：1987-06-06
申请号：JP26586685
申请日：1985-11-26
申请人： JGC CORP , MITSUBISHI CABLE IND LTD
发明人： TABEI MAKOTO , HASEGAWA YUZO , NISHIDA MASAYOSHI , UCHIUMI ATSUSHI , OSE SEIROKU , TAKAI TAKUMA
IPC分类号： G01N21/84 , G02B23/26
摘要： PURPOSE:To observe the same part to be observed from different angles by forming a tip light sensing part by a tip part of a light guide and a tip part of an image guide, and also providing two pairs of tip sensing parts as to one piece of head body, so that they turn to the same part to be observed. CONSTITUTION:A light sensing part S irradiates a light beam L from a tip part of light guides 4, 5 to a part to be observed A through a light projecting hole 20 which is provided on a cylindrical body 13, makes the light beam L which is reflected by the part to be observed A, to a tip part of image guides 6, 7 through a light receiving hole 21 which is provided on the cylindrical body 13, and a prism 19, connects it to a camera, etc. with the necked eye or through a mount which is omitted in the figure, etc., in an eyepiece part, and observes the part to be observed A. Also, the respective tip light sensing parts S, S are set so as to turn to the same part to observed A. That is to say, the light beam L is irradiated to the same part to be observed A from the light guides each is different in angle and the light beam L which is reflected from the same part concerned to be observed A is made incident on the image guides different in angle.

96. 发明专利

JPS62125314A INDUCTION GUIDANCE RAIL 失效
公开(公告)号：JPS62125314A
公开(公告)日：1987-06-06
申请号：JP26586285
申请日：1985-11-26
申请人： JGC CORP , MITSUBISHI CABLE IND LTD
发明人： TABEI MAKOTO , HASEGAWA YUZO , NISHIDA MASAYOSHI , UCHIUMI ATSUSHI , OSE SEIROKU , TAKAI TAKUMA
IPC分类号： G01N21/88 , G01M11/00 , G01N21/954 , G01N23/18 , G01N29/04 , G02B23/24
摘要： PURPOSE:To guide simply and easily a fiber scope for observing an abnormal state and a flaw of the outer wall, etc. of a tank, to an optional place, by providing a guide use ring body. CONSTITUTION:Through-holes 6... are penetrated and provided at a prescribed pitch on a rail body 4, and a guide use ring body 5 is fitted into the through- hole concerned 6 so as to be orthogonal to the longitudinal direction of the rail body by seeing it as a plane, and formed by fixing its fitting part by welding, etc. When a head part 3 of a fiber scope 2 is inserted into the guide use ring bodies 5..., the head part 3 can be brought to an induction guidance by the rail body 4 by being held by the guide use ring bodies 5....

97. 发明专利

JPS62119142A PRODUCTION OF RESIN-COATED QUARTZ GLASS OPTICAL FIBER 失效
公开(公告)号：JPS62119142A
公开(公告)日：1987-05-30
申请号：JP26069285
申请日：1985-11-19
申请人： MITSUBISHI CABLE IND LTD
发明人： TAKAI TAKUMA , KANEKO TAKASHI , TANAKA HIROYUKI , IMAMURA KAZUO , KUZUSHITA HIROKAZU
IPC分类号： C03C25/10 , G02B6/44
摘要： PURPOSE:To prevent the generation of a spike phenomenon and to enable high- speed production by providing a silicone layer on a quartz glass optical fiber, extruding and coating a fluororesin thereon, and quenching the material. CONSTITUTION:The thermosetting silicone layer 22 is formed on the quartz glass optical fiber 21. The fluororesin such as a tetrafluoroethylene- perfluoroalkyl vinyl ether copolymer is extruded and coated on the silicone layer 22, and the material is immediately quenched by a water cooling device, etc., to form a fluororesin-coated layer 23. A resin-coated quartz glass optical fiber having excellent heat resistance can be produced by this method at a low cost.

98. 发明专利

JPS62111876A DEVICE FOR DELIVERING AND WINDING FILAMENT WIRE BODY TAKE-OUT AND TAKE-IN DEVICE 失效
公开(公告)号：JPS62111876A
公开(公告)日：1987-05-22
申请号：JP25168585
申请日：1985-11-08
申请人： MITSUBISHI CABLE IND LTD
发明人： TAKAI TAKUMA , NAGAE NOBUSADA , ONO TAKESHI , SAKOMAE JIYUNICHI
IPC分类号： B65H59/38
摘要： PURPOSE:To make it possible to minimize the damage on a filament by stopping the drive mechanism of the captioned device in an overloaded state due to the slide generating mechanism and also inputting drive stop signals in a control mechanism by means of a pulse generating mechanism. CONSTITUTION:Being loaded excessively when the end of the filament 2 of the fiberscope or the like passes a curved section, a caterpiller 6 stops due to the action of a slide generating mechanism 19. In addition, a first pulse generating mechanism 17 also detects the overload stopping pulse generation. Then, a control mechanism 16 makes a motor 15 stop after a specified time and also makes a torque motor 3 rotate a drum 4 in reverse at a low speed giving tension to the filament 2, and as a result, the captioned device stops. Being operated again after that, the device will repeat the operation mentioned above in the case of being overloaded and will return to normal operation when released from the overload. This constitution may minimize the damage on the filament and also enable the device to be automated.

99. 发明专利

JPS623922A MANUFACTURE OF HEAT INSULATING PIPE 失效
公开(公告)号：JPS623922A
公开(公告)日：1987-01-09
申请号：JP14317285
申请日：1985-06-28
申请人： MITSUBISHI CABLE IND LTD
发明人： MOMOSE CHIAKI , MATSUMOTO SHIGEO , HORIUCHI KAZUYA , MOGI ISOJI , TAKAI TAKUMA
IPC分类号： B29C44/32 , B29C47/02 , B29C47/06 , B29C47/26 , B29C47/28 , B29C47/92 , B29C47/94 , B29K105/04 , B29L9/00
摘要： PURPOSE:To continuously manufacture a uniform expanded layer with high expansion ratio in a short period of time by a method wherein a stock pipe as core material, the expanded layer and a skin layer are extruded simultaneously by employing a long land die as the extruder die of an extruder. CONSTITUTION:Composition for forming expanded layer 2, composition for forming core material pipe 3 and composition for forming skin layer are simultaneously supplied to an extruder 1 so as to be extruded in the predetermined order at a long land die 5. The expanded layer formed onto the surface of a core material pipe is typically polyethylene expanded layer and formed at the expansion ratio of 20-60%. Because the forming is fully developed in the long die, the length in extrusion direction of which is at least 5 times and preferably 10 times as long as the diameter of a stock pipe, the extent of foaming of the expanded layer becomes nearly uniform and, in addition, the expansion ratio of the expanded layer is also improved remarkably.

100. 发明专利

JPS61292818A PERFORATION APPARATUS FOR TAPE WIRE 失效
公开(公告)号：JPS61292818A
公开(公告)日：1986-12-23
申请号：JP12183885
申请日：1985-06-05
申请人： MITSUBISHI CABLE IND LTD
发明人： TAKAI TAKUMA , MIURA MASAHIRO , KATO MASAO , MOGI ISOJI
IPC分类号： H01B7/08 , H01B13/00

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