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    FLEXIBLE DEMOLDING DEVICE, CORE MOLDING DEVICE, AND CORE FORMING METHOD
    3.
    发明公开
    FLEXIBLE DEMOLDING DEVICE, CORE MOLDING DEVICE, AND CORE FORMING METHOD 审中-公开

    公开(公告)号：US20240225912A1

    公开(公告)日：2024-07-11

    申请号：US18552794

    申请日：2021-05-18

    申请人： SHANGHAI ZHILIAN PRECISION MACHINERY CO., LTD.

    发明人： Shuangyin XIA ,  Guohong ZHOU ,  Guangyan CHEN

    IPC分类号： A61F13/15

    CPC分类号： A61F13/15617 ,  A61F13/15804 ,  A61F2013/15926 ,  A61F2013/15991

    摘要： A flexible demolding device, comprising a flexible substrate and a driving device. A plurality of forming holes are provided on the flexible substrate and penetrate through the thickness direction of the flexible substrate. The driving device drives the flexible substrate to move continuously in a defined direction. The driving device comprises a driving wheel, a supporting wheel and a conveying belt which is sleeved between the driving wheel and the supporting wheel. The flexible substrate is fixed on the conveying belt. On one hand, the demolding assembly no longer has a rigid structure. On the other hand, since the flexible substrate can be fixed on the conveying belt by means of the connecting body, the flexible substrate can be easily replaced.

    DEVICE AND METHOD FOR APPLYING ABSORBING INSERTS IN A PLANT AND PROCESS FOR THE PRODUCTION OF PULL-UP DIAPERS
    6.
    发明公开
    DEVICE AND METHOD FOR APPLYING ABSORBING INSERTS IN A PLANT AND PROCESS FOR THE PRODUCTION OF PULL-UP DIAPERS 审中-公开

    公开(公告)号：US20230398024A1

    公开(公告)日：2023-12-14

    申请号：US18033888

    申请日：2021-11-17

    申请人： M.D. VIOLA MACCHINE S.R.L.

    发明人： Davide VIOLA ,  Marco VIOLA ,  Andrea VIOLA

    IPC分类号： A61F13/15

    CPC分类号： A61F13/15601 ,  A61F13/15699 ,  A61F13/15804

    摘要： A method for applying absorbing inserts in a process for the production of pull-up diapers, includes: feeding a composite elastic web, including at least one elastic element, along a path and according to an advancing direction, conferring said composite elastic web with an application tension such that the composite elastic web has an elongation lower than a nominal maximum elongation thereof and the elastic element has a second percentage elastic elongation lower than first percentage elastic elongation corresponding to the nominal maximum elongation; applying absorbing inserts on an intermediate portion of the composite elastic web while the composite elastic web advances with said application tension, such that, once the tension is completely released, the absorbing inserts remain substantially flat and do not form substantial folds or wrinkles.

    Turning device for a production line for hygiene products
    10.
    发明授权
    Turning device for a production line for hygiene products 有权

    公开(公告)号：US11702309B2

    公开(公告)日：2023-07-18

    申请号：US17177355

    申请日：2021-02-17

    申请人： Winkler + Dünnebier GmbH

    发明人： Heinrich Spurzem

    IPC分类号： B65H29/24 ,  B65G47/91 ,  A61F13/15

    CPC分类号： B65H29/241 ,  A61F13/15764 ,  A61F13/15804 ,  B65G47/915 ,  B65H2402/30 ,  B65H2403/512 ,  B65H2406/3454 ,  B65H2801/57

    摘要： The invention relates to a turning apparatus for a production plant (2) for sanitary products, in particular adult or baby diapers, the turning apparatus having a drum (12) which rotates about a geometrical drum rotational axis (11), and at least one plate (14) which is spaced apart radially from the drum rotational axis (11) and is coupled to the drum (12), which plate (14) comprises a suction face (15) for the transport of sanitary material pieces (16), which suction face (15) holds the respective sanitary material piece (16) by means of a vacuum during the transport, the plate (14) having a geometrical vertical axis (17) which runs radially with respect to the drum rotational axis (11), the plate (14) receiving the sanitary material piece (16) with a first orientation about the vertical axis (17) in a first transfer region (18), and transporting the sanitary material piece (16) from the first transfer region (18) to a second transfer region (20) along a setpoint transfer path (19) which runs in the circumferential direction around the drum rotational axis (11), the suction face (15) being rotated with the sanitary material piece (16) about the vertical axis (17) during the transport, the plate (14) outputting the sanitary material piece (16) in the second transfer region (20) with a second orientation which is different than the first orientation about the vertical axis (17). It is proposed that, during the receiving and/or outputting, the plate (14) carries out a non-linear compensation movement relative to the drum (12) with a radial movement component.