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1. 发明专利

JPH04100006A OPTICAL FIBER COLLECTING DEVICE, BINDER USABLE THE SAME DEVICE AND OPTICAL FIBER COLLECTING METHOD USING THE SAME 失效
公开(公告)号：JPH04100006A
公开(公告)日：1992-04-02
申请号：JP21835690
申请日：1990-08-20
申请人： FUJIKURA LTD
发明人： OKUBO AKIRA , SETAISHI YUKIO , ONODERA TSUTOMU
IPC分类号： G02B6/04
摘要： PURPOSE:To prevent an irregularity in binder coating and to prevent waving in the respective directions of optical fibers by dripping binder on the optical fibers which are arranged in grooves of a base in a parallel collecting state, and then spreading the binder uniformly from above with a leveling rod whose surface is processed. CONSTITUTION:A specific number of optical fibers 3 are arranged in parallel in the grooves 4 in the surface of the base 1 where a 'Teflon(R)' adhesive tape 1a is stuck and the binder 5 is dripped on the optical fibers in the grooves and spread in the grooves to uniform thickness by sliding the leveling rod 2 where a 'Teflon(R)' tape 6 is stuck lengthwise from above the optical fibers; and the optical fibers in the collecting state are easily peeled and taken out of the grooves of the base which is 'Teflon(R)'-processed after the binder sets and then the optical fibers are easily and uniformly formed and finished in a ribbon shape. Consequently, the irregularity in binder coating is prevented and an optical fiber assembly of high quality which waves in none of directions is formed.

2. 发明专利

JPH05224070A V-GROOVE CLEANER OF BLOCK BODY FOR AXIS ALIGNMENT OF OPTICAL FIBERS OF OPTICAL FIBER CONNECTING DEVICE 失效
公开(公告)号：JPH05224070A
公开(公告)日：1993-09-03
申请号：JP5912792
申请日：1992-02-14
申请人： FUJIKURA LTD
发明人： TOYOSHIGE SHUICHI , SETAISHI YUKIO , YOSHINUMA MIKIO
IPC分类号： G02B6/40 , G02B6/255
摘要： PURPOSE:To enable the easy removal of the stain sticking to V-grooves for fixing fibers by forming V-shaped projecting teeth part paired with the groove part on one flank and providing a gripping part on the side opposite from the projecting teeth part. CONSTITUTION:The V-shaped projecting teeth 11 are formed on the cleaning surface of a cleaner body 10 made of ceramics so as to fit closely to the V- grooves of a block. A handle 13 for sliding the cleaner 10 back and forth in the groove direction in the state of fitting the cleaner into the V-grooves of the block body is provided on the side opposite therefrom. The cleaning tool which has the V-groove projecting teeth 11 closely fitting to the V-groove forming part of the block body 3 and is slidable in the groove direction is used and the stains sticking to the V-groove forming surface of the block body are scrapped off by the tooth faces of such cleaning tool, by which the V-groove surface is easily cleaned without being damaged.

3. 发明专利

JPH04151608A SIMULTANEOUS TREATMENT OF SURPLUS LENGTH BY UNIT OF OPTICAL FIBER JUNCTURE 失效
公开(公告)号：JPH04151608A
公开(公告)日：1992-05-25
申请号：JP27543490
申请日：1990-10-16
申请人： FUJIKURA LTD
发明人： SETAISHI YUKIO , YOSHINUMA MIKIO
IPC分类号： G02B6/24 , G02B6/00 , H02G15/08
摘要： PURPOSE:To allow the rings in housing trays of many pieces of optical fiber tapes to be simultaneously, uniformly and smoothly flared by bundling the optical fiber tapes to a unit and integrally winding the unit to the ring formers of the housing trays to form the prescribed rings. CONSTITUTION:The tape unit 11 formed by bundling 10 pieces of the optical fiber cables 10 to one unit is fixed to a branch guide 12. This tape unit 11 is wound by prescribed turns on the right and left ring formers 14 of the opened housing trays 13 to form the many rings R. The free ends thereof are detained to the tentative stopping parts 15 of the trays 13. The housing trays are then successively stacked on each other and are fixed to prescribed positions. The detaining plates 16 having many holding parts for the reinforcing materials of the junctures are taken out of the trays 13 and one thereof is fixed to the holding section of a welding and connecting machine M. The treating operations to house the surplus lengths of the many fiber tapes are improved in this way.

4. 发明专利

JPH02136009A JACKET STRIPPER OF TAPE CONDUCTOR 失效
公开(公告)号：JPH02136009A
公开(公告)日：1990-05-24
申请号：JP28685588
申请日：1988-11-15
申请人： FUJIKURA LTD
发明人： SETAISHI YUKIO , YOSHINUMA MIKIO
IPC分类号： B26B27/00 , H02G1/12
摘要： PURPOSE:To facilitate stripping work itself by chamfering a cutting edge slantwise on to the tape surface and by cutting and removing the jacketed surface layer with the cutting edge as the tip of tape fiber is pulled out of the grip surface of a tape fiber grip block. CONSTITUTION:With graduations provided on a tilt face 10 and a blade 4 the space t of the cutting edge is read and set to the desired edge space t. The tip of tape fiber 1 is lightly gripped by a grip face 12 of a tape fiber gripping block 11 and the tape fiber 1 is positioned against the cutting edge of both blades 4 and 4. The tape fiber is then pulled in the direction of an arrow F. At this moment, the cutting edge of the blade 4 chamfers the surface of the tape fiber 1 slantwise and the surface is notched. By the movement in the direction of an arrow F against the cutting edge of the tape fiber 1 the surface layer of the tape fiber is cut and the cut piece L' moves along the external side of the blade 4. The depth of the cut is to be such a degree as no cutting edge will come into contact with a core C.

5. 发明专利

JPS5971010A Protecting method of optical fiber core connection part 失效
标题翻译：光纤连接部分的保护方法
公开(公告)号：JPS5971010A
公开(公告)日：1984-04-21
申请号：JP18258682
申请日：1982-10-18
申请人： Fujikura Ltd , Nippon Telegr & Teleph Corp
发明人： TACHIKURA MASAO , SETAISHI YUKIO , WATANABE KOU
IPC分类号： G02B6/24 , G02B6/38
CPC分类号： G02B6/2558
摘要： PURPOSE:To eliminate a microbend due to unevenness of adhesive, to eliminate the need for a heating device, etc., and to improve operation efficiency by sandwiching the welding connection strand of an optical fiber core and its circumferential coating part between two base plates at least either of which is equipped with an Si rubber sheet. CONSTITUTION:A protection sleeve 10 consists of a lower half part 20A and an upper half part 20B, which have the same structure. The lower half part 20a is made of a base plate 30 and the rubber sheet 40. The base plate 30 is a thin and long rectangular prism of metallic plastics, etc., and has a smooth surface, but bow-shaped sectional recessed parts 32 are provided at both end parts. The sheet 40 is as wide as the base plate 30 and made of Si rubber. This is the same as Si rubber of the outside layer of the optical fiber. This rubber has proper elasticity, a low coefficient of elasticity and is viscous. The coating part 62 of the optical fiber core 60 is thicker than the strand 64, but enters the recessed parts 32 to protect the connection part securely.
摘要翻译：目的：为了消除由于粘合剂不均匀引起的微弯，消除对加热装置等的需要，并且通过将光纤芯的焊接连接线和其周向涂覆部分夹在两个基板之间来提高操作效率其中至少一个配备有Si橡胶片。构成：保护套筒10由具有相同结构的下半部分20A和上半部分20B组成。下半部分20a由基板30和橡胶片40制成。基板30是金属塑料等的薄而长的矩形棱柱，具有光滑的表面，但弓形的截面凹陷部分32 设置在两个端部。片材40与基板30一样宽，由Si橡胶制成。这与光纤外层的Si橡胶相同。该橡胶具有适当的弹性，弹性系数低，粘稠。光纤芯60的涂覆部分62比线64厚，但进入凹部32以便牢固地保护连接部。

6. 发明专利

JPH0442643B2 失效
公开(公告)号：JPH0442643B2
公开(公告)日：1992-07-14
申请号：JP25399186
申请日：1986-10-24
申请人： FUJIKURA LTD
发明人： SUZUKI ISAO , YAMADA TAKESHI , YOSHINUMA MIKIO , SETAISHI YUKIO
IPC分类号： G02B6/24 , C03B23/207 , G02B6/255

7. 发明专利

JPH03287210A TWISTING PREVENTING METHOD FOR OPTICAL FIBER CONNECTION PART WHEN PROCESSING EXCESSIVE LENGTH 失效
公开(公告)号：JPH03287210A
公开(公告)日：1991-12-17
申请号：JP8873790
申请日：1990-04-03
申请人： FUJIKURA LTD , NIPPON TELEGRAPH & TELEPHONE
发明人： SETAISHI YUKIO , YOSHINUMA MIKIO , OBA MASAO
IPC分类号： G02B6/24 , G02B6/00
摘要： PURPOSE:To prevent optical fibers from twisting by setting an excessive length winding jig in a storage tray, winding one optical fiber around the lower part of the jig and the other around the upper part in the opposite direction, and connecting the fiber tips and expanding both the optical fiber to a specific diameter. CONSTITUTION:When the excessive-length parts of the left and right optical fibers 3 and 3' are wound in mutually opposite directions around the excessive- length winding jig 10 set in the center of the storage tray 1, the tips of the optical fibers 3 and 3' are free, so the optical fibers 3 and 3' are wound around the jig 10, fixed, and held in the state while twisted. Namely, the tips of the excessive-length parts of the optical fibers 3 and 3' face in the opposite directions, so the free ends of the excessive-length parts can be connected without being twisted. After this connection, the connection part is fixed to the storage case and the coils are released from being fixed to the excessive-length winding jig 10 to expands the coils of the excessive-length parts. Consequently, the optical fibers 3 and 3' are prevented from being twisted.

8. 发明专利

JPS58196511A Method for terminating metallic pipe containing optical fiber 失效
标题翻译：用于终止含有光纤的金属管的方法
公开(公告)号：JPS58196511A
公开(公告)日：1983-11-16
申请号：JP7846782
申请日：1982-05-12
申请人： Fujikura Ltd
发明人： SETAISHI YUKIO , WATANABE KOU , HONMA YASUO
IPC分类号： G02B6/38 , G02B6/44
CPC分类号： G02B6/4439 , G02B6/3889
摘要： PURPOSE:To prevent the generation of disconnection in optical fibers in the stage of forming a juncture without receiving the influence of the thermal elongation or contraction of a metallic pipe or the influence of the oscillation thereof by fixing a specified length with an expandable plastic in the metallic pipe or in an adapter connected to the metallic pipe. CONSTITUTION:A cavity is formed by a specified length (l) from the end part of a hard aluminum pipe 1 in a bushing 8 having such a hole part wherein an optical fiber cable 4 in a hard aluminum pipe 5 is held at the center thereof. An expandable plastic 9, for example, PE or the like contg. a foaming agent is packed in the cavity, and is heated with a heating means such as a heater from the outside so as to expand, whereby the inside of the cavity is packed with the foamed plastic 9-b. It is also possible to hold the optical fiber cable roughly at the center of an adapter by packing the expandable plastic into the adapter and heating the same from the outside so as to expand thereby packing the inside of the cavity.
摘要翻译：目的：为了防止在形成接合处的光纤中产生断开，而不会受到金属管的热伸长或收缩的影响，或者通过用可膨胀塑料固定规定长度来影响其振动的影响金属管或连接到金属管的适配器中。构成：在硬铝铝管1的端部形成有具有这样的孔部的衬套8中的规定长度（l）的空腔，其中将硬铝管5中的光纤电缆4保持在其中心。可膨胀塑料9，例如PE等。将发泡剂填充在空腔中，并且从外部用加热装置如加热器加热以膨胀，由此空腔内部填充泡沫塑料9-b。也可以通过将可膨胀塑料包装到适配器中并将其从外部加热，从而将光纤电缆粗略地保持在适配器的中心，从而膨胀，从而将空腔内部包装。

9. 发明专利

JPS5691205A REINFORCING PIECE MELTTSTICKING DEVICE FOR WIRE REINFORCING 失效
公开(公告)号：JPS5691205A
公开(公告)日：1981-07-24
申请号：JP16894379
申请日：1979-12-25
申请人： NIPPON TELEGRAPH & TELEPHONE , FUJIKURA LTD
发明人： MATSUMOTO MICHITO , WATANABE NOBUHIKO , WATANABE ATOU , OOSATO KAZUKUNI , ARAI TAKATOSHI , SETAISHI YUKIO , YAMADA TAKESHI
IPC分类号： G02B6/24 , G02B6/255
摘要： PURPOSE:To perform melt-sticking easily and rapidly by providing a supporting table on which one of a pair of reinforcing pieces is placed, a wire supporting part which supports a wire in the slackless state and places the same on said reinforcing piece, a pressure-supporting part which supports the other reinforcing piece and press-sticks the same on the one reinforcing piece placed with the wire, and a heater for melt-sticking the reinforcing pieces. CONSTITUTION:One A1 of a pair of reinforcing pieces made of a resin is set in the recess 2a of a supporting table 2, and the other reinforcing piece A2 is mounted by grasping pieces 31 into the opening position of the through-slit 30 of a holder 6 and is covered by a shutter plate 32 so as to prevented from falling. A pair of optical fibers exposing, for example, their core parts, are set to a supporting part 60 in a slackless manner, and are turned with a shaft 61 as a fulcrum, whereby the connecting part of the optical fibers is set to the inside surface of the reinforcing piece A1. Thence, when a pressurizing lever 5 is turned with a pin 8 as a fulcrum until it becomes horizontal with the base plate 1, the shutter plate 32 is retreated by an operating shaft 38, by which the reinforcing piece A2 is press-stuck to A1 and these are heated and melt-stuck by a heater 3. A heat sink 39 is lowerd to cool these.

10. 发明专利

JPH02272504A OPTICAL FIBER ARRAYING JIG 失效
公开(公告)号：JPH02272504A
公开(公告)日：1990-11-07
申请号：JP9486189
申请日：1989-04-14
申请人： FUJIKURA LTD
发明人： SETAISHI YUKIO , ITO KENICHIRO
IPC分类号： G02B6/08 , B65H57/16 , C03B37/12
摘要： PURPOSE:To simplify the constitution and to enable the jig to be used at any place by providing a temporary fixing tool where a coil spring is held in a curved state on a base and an arraying tool which has grooves a little bit wider than the external diameter of optical fibers. CONSTITUTION:The temporary fixing tool 1 consists of the base 1 and the coil spring 12 which is held in the curved state on the base 11 and the respective optical fibers 3 are clamped in the coil spring 2 and thus fixed temporarily. The optical fibers are fixed temporarily so that the center side of the curvature of the curved coil spring 12 is the tip of each single core optical fiber 3 which is led out of a cable. Then many single-core optical fibers are inserted into the grooves 21 of the arraying tool 2 in order from their open ends 22 and the grooves 21 are a little bit wider than the external diameter of the optical fibers 3, so the optical fibers 3 are arranged on the surfaces of the grooves 21 without overlapping one another. Consequently, the structure is compact and the jig is freely moved and easily used at any place.

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