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    TREIBRIEMEN
    5.
    发明公开
    TREIBRIEMEN 审中-公开

    公开(公告)号：EP4242487A1

    公开(公告)日：2023-09-13

    申请号：EP23160658.3

    申请日：2023-03-08

    申请人： Arntz Beteiligungs GmbH & Co. KG ,  Textilforschungsinstitut Thüringer-Vogtland e.V.

    发明人： Giner, Ignacio ,  Bollmann, Samuel ,  Mishra, Pulkit ,  Gambke, Annika

    IPC分类号： F16G1/28

    摘要： Die Erfindung betrifft einen Treibriemen, insbesondere Keilriemen, Keilrippenriemen oder Zahnriemen auf elastomerer oder polyurethaner Basis mit Riemenrücken und mindestens einem Zugstrang, umfassend eine optisch detektierbare Belastungs- und Verschleißzustandsanzeige. Erfindungsgemäß ist mindestens über einen Riemenabschnitt ein Rücksprung ausgebildet, welcher einen flächigen Träger aufnimmt, wobei der Träger mit irreversibel thermochromen Pigmenten versehen, insbesondere beschichtet oder getränkt ist, derart, dass bei einer vorgebbaren Temperaturbelastungsschwelle eine Farbänderung oder ein Farbumschlag erfolgt.

    TOOTHED BELT TRANSMISSION DEVICE
    7.
    发明公开
    TOOTHED BELT TRANSMISSION DEVICE 审中-公开

    公开(公告)号：EP4159904A1

    公开(公告)日：2023-04-05

    申请号：EP21814381.6

    申请日：2021-05-26

    申请人： Mitsuboshi Belting Ltd.

    发明人： OKABE Hirofumi ,  YOSHIDA Masakuni ,  HOKI Yuto

    IPC分类号： D02G3/16 ,  D02G3/26 ,  F16G1/28 ,  F16H7/02

    摘要： The present invention pertains to a toothed belt transmission device provided with: a toothed belt having a core wire that extends in a belt longitudinal direction to be embedded and a plurality of belt tooth parts that are disposed at a predetermined interval in the belt longitudinal direction; and a plurality of toothed pulleys which have a plurality of pulley tooth parts facing the belt tooth parts at an outer periphery and on which the toothed belt is wound. The core wire includes a carbon fiber cord obtained by performing over-twining of a plurality of sub-twining yarns including carbon fibers. The twining direction of the sub-twining of the sub-twining yarns is identical to the twining direction of the over-twining. A sub-twining coefficient of the sub-twining is 0.62-1.30. An over-twining coefficient of the over-twining is 2.06-3.95. The tooth pitch of the toothed belt is in a range of -0.4% to +0.1% with respect to the tooth pitch of the toothed pulleys on which the toothed belt is wound.

    CORE WIRE FOR DRIVE BELT, DRIVE BELT, AND METHOD FOR MANUFACTURING CORE WIRE AND DRIVE BELT
    9.
    发明公开
    CORE WIRE FOR DRIVE BELT, DRIVE BELT, AND METHOD FOR MANUFACTURING CORE WIRE AND DRIVE BELT 审中-公开

    公开(公告)号：EP4092173A1

    公开(公告)日：2022-11-23

    申请号：EP21741692.4

    申请日：2021-01-13

    申请人： Mitsuboshi Belting Ltd.

    发明人： TOMODA Takuya ,  HIRAKAWA Yasushi

    IPC分类号： D02G3/04 ,  D02G3/28 ,  D02G3/44 ,  F16G1/08 ,  F16G1/28 ,  F16G5/06 ,  F16G5/20

    摘要： The present invention pertains to a core wire for a drive belt, the core wire including twisted cords in which a plurality of first-twisted threads are doubled and final-twisted, each first-twisted thread including a plurality of hard first-twisted threads (A) and one soft first-twisted thread (B), the hard first-twisted threads (A) including aramid fibers, and the fineness of each hard first-twisted thread (A) being 1500 dtex or less, the soft first-twisted thread (B) including low-elasticity fibers, and the ratio (B/A) of the first-twist coefficient of the soft first-twisted thread (B) to the average value of the first-twist coefficient of the hard first-twisted threads (A) is 0.5-1.2.