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    4.
    发明专利
    未知

    公开(公告)号：NO20002836L

    公开(公告)日：2000-07-24

    申请号：NO20002836

    申请日：2000-06-02

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： TAKAHASHI KEN ,  TAKAKI SHIGENORI ,  OKA RYOEI ,  HATTORI TOMOYUKI ,  SATO TOSHIHISA ,  KOBAYASHI KOHEI ,  OKUNO KAORU

    IPC: G02B6/44 ,  G02B

    Abstract: In a method of making a ribbon type coated optical fiber 3 comprising the step of inserting a plurality of optical fibers 1 flatly arranged parallel to each other through a die orifice 11a so as to collectively coat the optical fibers with a coating resin 2, the ratio W/H of a clearance W in the width direction between the inner surface of the die orifice 11a and the outer surface of the optical fibers 1 to a clearance H in the thickness direction therebetween is set within the range of 1.0 to 2.5.

    SPLIT TYPE RIBBON OPTICAL FIBER CORE CABLE
    5.
    发明专利
    SPLIT TYPE RIBBON OPTICAL FIBER CORE CABLE 未知

    公开(公告)号：MY118260A

    公开(公告)日：2004-09-30

    申请号：MYPI9705508

    申请日：1997-11-17

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： SATO TOSHIHISA ,  HATTORI TOMOYUKI ,  KOBAYASHI KOHEI ,  OKUNO KAORU ,  TAKAHASHI KEN ,  OKA RYOEI

    IPC: G02B6/44

    Abstract: IN A SPLIT TYPE RIBBON OPTICAL FIBER CORE CABLE (7) CAPABLE OF BEING SPLIT INTO CABLES, THERE ARE A PLURALITY OF RIBBON OPTICAL FIBER CORE CABLE UNITS (5), EACH OF WHICH ARE CONSTITUTED BY A PLURALITY OF COLORED OPTICAL FIBER CORE CABLES ARRANGED IN A ROW; A COATING RESIN (4) OF AN ULTRAVIOLET CURABLE RESIN WHOLLY COATS THE PLURALITY OF COLORED OPTICAL FIBER CORE CABLES; AND A BONDING RESIN (6) OF AN ULTRAVIOLET CURABLE RESIN BONDS THE RIBBON OPTICAL FIBER CORE CABLE UNITS (5) ARRANGED IN A ROW. IN THIS CABLE, AN ADHESION STRENGTH BETWEEN THE WHOLLY COATING RESIN (4) AND THE BONDING RESIN (6) IS IN THE RANGE OF 1 TO 100 G/CM. FURTHER, THE BONDING RESIN (6) AFTER CURING HAS A YOUNG''S MODULUS OF FROM 5 TO 100 KG/MM2. THE BONDING RESIN (6) AFTER CURING HAS AN ELONGATION COEFFICIENT OF FROM 5 TO 80

    OPTICAL FIBER TAPE CORE
    6.
    发明专利
    OPTICAL FIBER TAPE CORE 未知

    公开(公告)号：CA2475970A1

    公开(公告)日：2003-12-04

    申请号：CA2475970

    申请日：2003-05-28

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： OKUNO KAORU ,  HATTORI TOMOYUKI

    IPC: G02B6/02 ,  G02B6/36 ,  G02B6/44

    Abstract: An optical fiber tape core (1), wherein four optical fiber wires (10), (20), (30), and (40) are arranged parallel with each other on a plane, the peripheral surfaces of these four optical fiber wires are partly covered wit h tape material (51) but the remaining is not covered with the tape material, first areas covered with the tape material (51) and second areas not covered with the tape material are present alternately along the longitudinal direction of the optical fiber wires or the optical fiber wires are covered with the tape material through the entire lengths, and the glass parts of th e optical fiber wires are 8 .mu.m or less in mode field diameter at a waveleng th of 1.55 .mu.m by the definition of Petermann-I and 1.26 .mu.m or less in cab le cut off wavelength.

    8.
    发明专利
    未知

    公开(公告)号：ID19892A

    公开(公告)日：1998-08-20

    申请号：ID989801

    申请日：1998-02-13

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： TSUCHIYA ICHIRO ,  OKUNO KAORU ,  MIYAKI HIDEO ,  OISHI KAZUMASA

    IPC: G02B6/44 ,  C03C25/12 ,  C03C25/18 ,  D06B1/08 ,  C03C25/00 ,  C03C17/00 ,  G02B1/10 ,  C03B37/00

    Abstract: In a resin coating applicator, a holder (14) is fixed on a base (15) fitted to a drawing machine, and in the holder (14), hot water can be circulated from an inlet (18). The inner circumferential surface of the holder (14) is formed into a tapered shape so that the outer circumferential surface of a cup-like member (14) of a cartridge type coating sub-assembly (1) is fitted to the holder (14). The respective outer circumferential surfaces of a nipple (2) and a coating die (3) are cylindrical so as to be fitted to the inner circumferential surfaces of an inner cylindrical member (6), and they are positioned by a step portion. Further, they are pressed from the upper and lower sides by the bottom portion of the cup-like member (4) and a lid member (5). The lid member (5) is fastened to the cup-like member (4) integrally by a thread.

    9.
    发明专利
    未知

    公开(公告)号：DE69739764D1

    公开(公告)日：2010-04-01

    申请号：DE69739764

    申请日：1997-11-17

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： SATO TOSHIHISA ,  HATTORI TOMOYUKI ,  KOBAYASHI KOHEI ,  OKUNO KAORU ,  TAKAHASHI KEN ,  OKA RYOEI

    IPC: G02B6/44

    Abstract: In a split type ribbon optical fiber core cable capable of being split into cables, there are a plurality of ribbon optical fiber core cable units, each of which are constituted by a plurality of colored optical fiber core cables arranged in a row; a wholly coating resin of an ultraviolet curable resin wholly coats the plurality of colored optical fiber core cables; and a bonding resin of an ultraviolet curable resin bonds the ribbon optical fiber core cable units arranged in a row. In this cable, an adhesion strength between the wholly coating resin and the bonding resin is in the range of 1 to 100 g/cm. Further, the bonding resin after curing has a Young's modulus of from 5 to 100 kg/mm . The bonding resin after curing has an elongation coefficient of from 5 to 80%.

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