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    SPOOL, YARN TWISTING PROCESS AND YARN TWISTING MACHINE
    8.
    发明公开
    SPOOL, YARN TWISTING PROCESS AND YARN TWISTING MACHINE 审中-公开

    公开(公告)号：EP4283028A1

    公开(公告)日：2023-11-29

    申请号：EP21920896.4

    申请日：2021-12-17

    申请人： Twistperfect, S.L. ,  Casumconi, S.L.

    发明人： GALAN LLONGUERAS, Albert ,  GALAN LLONGUERAS, Jordi

    IPC分类号： D01H1/24 ,  D01H1/02 ,  D01H1/34 ,  D01H13/32

    摘要： A spool of yarn of natural, synthetic or artificial textile fibres, with the torsion value of the plied yarn (α) throughout the spool (1) being variable, and being associated with the instantaneous winding/unwinding diameter (DI) of the spool (1), equal to α (tpm) = 1/ (DI * π) such that, on unwinding the yarn as twisted in a first direction N-S, the torsion value of the yarn, once unwound as twisted (β) is constant throughout the spool and is essentially equivalent to 0 tpm, and such that, on unwinding the yarn as twisted in a second direction S-N, opposite to the first direction, the torsion value of the yarn, once unwound as twisted (β), is variable throughout the spool and is equivalent to β' (tpm) = 2/ (DI * π). Process for the generation of the spool disclosed, and yarn twisting machine for the generation of the spool disclosed.

    FIBER BUNDLE CONDENSING DEVICE FOR SPINNING MACHINE
    10.
    发明公开
    FIBER BUNDLE CONDENSING DEVICE FOR SPINNING MACHINE 审中-公开

    公开(公告)号：EP4215654A1

    公开(公告)日：2023-07-26

    申请号：EP22208498.0

    申请日：2022-11-21

    申请人： KABUSHIKI KAISHA TOYOTA JIDOSHOKKI

    发明人： HAYASHI, Hisaaki ,  KAWAI, Motohiro ,  ASHIZAKI, Tetsuya

    IPC分类号： D01H1/02 ,  D01H1/22 ,  D01H5/72

    摘要： A fiber bundle condensing device (100) for a spinning machine includes a condensing device (110) that includes a delivery roller pair comprising a delivery top roller (118) and a delivery bottom roller (112) transporting a fiber bundle (F), a suction portion (114) that exerts suction on the fiber bundle (F), and an air-permeable apron (116) that is rotated along the suction portion (114). The fiber bundle condensing device (100) further includes a support plate (120) fixed to a roller stand (10) and supports the condensing device (110), and a countershaft (130) that rotates the delivery bottom roller (112). The support plate 120 has an opening (122) through which the countershaft (130) is inserted. The opening (122) is smaller than the outer diameter of a bearing (140), and the edge portion of the opening (122) restricts the position of the bearing (140) in the axial direction.