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41. 发明专利

JPS5567421A PREPARATION OF THERMOPLASTIC SYNTHETIC RESIN FOAMED BODY 失效
公开(公告)号：JPS5567421A
公开(公告)日：1980-05-21
申请号：JP13941478
申请日：1978-11-14
申请人： FURUKAWA ELECTRIC CO LTD
发明人： SHIMANO TAKASHI
IPC分类号： H01B13/14 , B29B7/00 , B29C47/00 , B29C47/10 , B29C47/80 , B29C47/92
摘要： PURPOSE:To keep constant flow rate of gas which passes the flow rate valve and protect veriation of foaming rate by heating forcedly a flow regulating valve and preventing the wall surface around the orifice from cooling. CONSTITUTION:The gas injected into the molten resin passes a gas cylinder 26, a secondary pressure regulating valve 28, a compressor 30, a secondary pressure regulating valve 32, a flow regulating valve 34. An electric heater 66 is fitted around the valve body 38 in order to heat this regulating valve 34 forcedly and this electric heater 66 is fixed to the valve body 38 through a thermo couple 68. Therefore, the heat of the heater is conduced through the valve body 38, a mounting metal 46, a clamping bolt 54, etc. to a valve seat 44 and a needle 48 and the wall surface of the orifice is prevented from fall of temperature. Adhesion of impurities to the wall surface and variation of foaming rate due to decrease of gas flow can be prevented.

42. 发明专利

JPS54122892A METHOD OF AND APPARATUS FOR MANUFACTURING FOAM INSULATION ELECTRIC CABLE 失效
公开(公告)号：JPS54122892A
公开(公告)日：1979-09-22
申请号：JP2255178
申请日：1978-02-28
申请人： FURUKAWA ELECTRIC CO LTD
发明人： SHIMANO TAKASHI , MASUKATA YOSHIMASA , SATOU HITEMITSU
IPC分类号： B29B7/00 , B29C44/32 , B29C47/00 , B29C47/02 , B29C47/88 , B29C48/92 , H01B13/14
摘要： PURPOSE:To stabilize the electrostatic capacitance over a long period of time by controlling the extent of pouring of foaming gas in such a manner as to return a movable water tank toward the center of a movable range upon detection of reaching of a position near the limit of the range by the movable water tank. CONSTITUTION:Limit switches 60a and 60b for detecting the reaching of a limit position of a movable range by a movable water tank 16b are provided, and limit switches 64a and 64b are provided on the inner side of these switches. When either one of these limit switches 64a and 64b is actuated by an actuator 62, a signal from it enters a pulse motor control unit 66 to cause a pulse motor 34 to control a flow rate setting valve 32 from a foaming gas source 28. The adjustment is made in such a manner as to return the movable water tank 16b toward the center of the movable range. In this way, a foamed insulation electric wire with which the electrostatic capacitance is stable over a long period of time can be obtained without stopping the movable water tank.

43. 发明专利

JPS52112662A SCREW FOR EXTRUDER 失效
公开(公告)号：JPS52112662A
公开(公告)日：1977-09-21
申请号：JP2934976
申请日：1976-03-19
申请人： FURUKAWA ELECTRIC CO LTD
发明人： SHIMANO TAKASHI , ORIMO KATSUKI , YAMAMOTO SHIYOUJI
IPC分类号： B29B7/00 , B29C47/00 , B29C47/10 , B29C47/62 , B29C48/67 , B29C48/92

44. 发明专利

JPS52112655A EXTRUDER SCREW 失效
公开(公告)号：JPS52112655A
公开(公告)日：1977-09-21
申请号：JP2865176
申请日：1976-03-18
申请人： FURUKAWA ELECTRIC CO LTD
发明人： SHIMANO TAKASHI , ORIMO KATSUMI
IPC分类号： B29B7/00 , B29C47/00 , B29C47/62

45. 发明专利

JPH04218300A SUPERCONDUCTIVE ACCELERATION TUBE AND MANUFACTURE THEREOF 失效
公开(公告)号：JPH04218300A
公开(公告)日：1992-08-07
申请号：JP8835591
申请日：1991-04-19
申请人： FURUKAWA ELECTRIC CO LTD
发明人： SAKANO MISAO , MUKOYAMA SHINICHI , SHIMANO TAKASHI
IPC分类号： H01P11/00 , H05H7/20
摘要： PURPOSE:To provide a superconductive acceleration tube which can be manufactured in a short manufacturing time, with a simple jig, at a low cost, and with an easy weld work, and provide manufacturing thereof for the acceleration tube having equivalent or exceeding characteristics to those obtained by electron beam weld in manufacturing the superconductive acceleration tube. CONSTITUTION:A superconductive acceleration tube 10 is composed of a plural component parts 11, 12, 13 comprising superconductive material welded with each other at peripheral parts. The superconductive acceleration tube 10 is welded by a laser beam at each peripheral part. The component parts 11, 12, 13 having the peripheral parts to be put to each other and comprising the superconductive material are laser welded by a laser beam radiated to the peripheral parts.

46. 发明专利

JPH04190170A MEASURING DEVICE OF Q VALUE OF SUPERCONDUCTING CAVITY 失效
公开(公告)号：JPH04190170A
公开(公告)日：1992-07-08
申请号：JP32145990
申请日：1990-11-26
申请人： FURUKAWA ELECTRIC CO LTD
发明人： MUKOYAMA SHINICHI , SHIMANO TAKASHI , SAKANO MISAO
IPC分类号： G01R27/26 , H01P1/00 , H05H7/20
摘要： PURPOSE:To enable precise measurement of a large cavity loss in a short time by providing a cryostat with a guide box which collects bubbles generated from a superconducting cavity provided in a cryogen in the cryostat. CONSTITUTION:A guide box 7 is so disposed as to surround a superconducting cavity 3 in liquid helium 2. The box 7 has a structure in which bubbles generated from the cavity 3 are collected without allowing them to escape. The structure prevents vapor from entering from a microwave line 5, the bottom surface 2a of a cryostat and the lateral surface 1b thereof. Besides, the upper part 7c of the guide box is shaped in a funnel so as not to allow the gas to stay. The upper part 7c of the box is connected with a transfer pipe 8 for taking out a helium gas, and the transfer pipe 8 extends from inside to outside of the cryostat 1 through a top flange 6. The temperature of the helium gas in the transfer pipe 6 rises to a room temperature while the gas flows through the transfer pipe 8 outside. The gas enters a gas flowmeter 9 and the flow rate thereof is measured. According to this constitution, a cavity loss, i.e., a Q value, can be measured precisely.

47. 发明专利

JPH01191501A JOINT METHOD FOR SUPERCONDUCTING WAVEGUIDE 失效
公开(公告)号：JPH01191501A
公开(公告)日：1989-08-01
申请号：JP1660388
申请日：1988-01-27
申请人： FURUKAWA ELECTRIC CO LTD
发明人： SHIMANO TAKASHI , IKEDA MASARU , SHIBA EIICHI , MUKOYAMA SHINICHI
IPC分类号： H01L39/00 , H01P1/04 , H01P11/00 , H01R43/00
摘要： PURPOSE:To obtain a uniform surface without defect by inserting a metal having a lower melting point than that of a superconducting material between joint faces of the superconducting waveguide, pressing the metal and bonding the faces with diffusion under vacuum or inactive gas atmosphere. CONSTITUTION:A thin tin plate 2 as an insert metal is clipped between joint faces being flange end faces, each being one of two cavity single bodies 1 made of niobium opposite to each other, flanges 5 are tightened by using a bolt 3 and a nut 4 to press the thin tin plate 2 between the end faces, and the joint body 6 being the result of incorporating the two cavity single bodies is heated for 3 hours at 600 deg.C. Then the surface is chemical-polished by using a mixture of liquids comprising hydrofluoric acid, nitric acid and phosphoric acid for finish. Since atoms of both are diffused mutually at the contact part between the insert metal and the superconducting material in this way, the joint is attained in a short time and the defect of surface is avoided.

48. 发明专利

JPS63301420A OXIDE SUPERCONDUCTOR 失效
公开(公告)号：JPS63301420A
公开(公告)日：1988-12-08
申请号：JP13799987
申请日：1987-06-01
申请人： FURUKAWA ELECTRIC CO LTD
发明人： SHIMANO TAKASHI
IPC分类号： H01B12/06
摘要： PURPOSE:To prevent the deterioration of a metal wire by forming an oxide superconductor layer and a stabilized metallic layer in this order at the outer side of a metal wire which furnishes an antiacidprocessed layer over the surface. CONSTITUTION:An oxide superconductor made by covering the outside of a superconductive wire with a good heat-conductive metal is composed of an alkaline earth metal, a rare earth group element, copper, and oxygen, represented by Y-Ba-Cu-O type. For the formation of the oxide superconductive layer, an oxide superconductor paste is spread over the surface of a metal wire which furnishes an antiacid processed layer, and it is sintered and formed in the ambiance including oxygen. In this case, a crack is liable to be generated an the membrane during the sintering if a thick membrane is formed by only one round spreading. But by making the thickness of the paste-spread membrane small, and repeating the process of spreading and sintering several times to thicken the membrane, the oxygen is fed sufficiently to the whole body of the superconductor layer to obtain a good superconductive property. In such a way, the brittleness of the oxide superconductor is overcome and a long wire material can be obtained.

49. 发明专利

JPS60211788A Cable portion molding type mold opening and closing device 失效
标题翻译：电缆部分成型模具开模和封闭装置
公开(公告)号：JPS60211788A
公开(公告)日：1985-10-24
申请号：JP6814884
申请日：1984-04-05
申请人： Furukawa Electric Co Ltd
发明人： SHIMIZU MASAAKI , SHIMANO TAKASHI , YAMADA KAZUMI , SEKIGUCHI AKINOBU
IPC分类号： H01R43/00 , B29C33/20 , B29L31/34 , H02G1/14

50. 发明专利

JPS5810221B2 失效
公开(公告)号：JPS5810221B2
公开(公告)日：1983-02-24
申请号：JP1152578
申请日：1978-02-06
申请人： FURUKAWA ELECTRIC CO LTD
发明人： SHIMANO TAKASHI , KOIZUMI SHINTARO , NAGAI SHOICHI
IPC分类号： H01B13/14 , B29B7/00 , B29C44/34 , B29C47/00 , B29C47/02 , B29C47/10 , B29C47/82 , B29C48/34 , B29C48/92

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