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    METHOD FOR PRODUCING A MULTI-LAYERED OBJECT
    31.
    发明申请
    METHOD FOR PRODUCING A MULTI-LAYERED OBJECT 有权
    用于生产多层对象的方法

    公开(公告)号：US20100047542A1

    公开(公告)日：2010-02-25

    申请号：US12525412

    申请日：2008-01-29

    Applicant: Jacques Thomasset

    Inventor： Jacques Thomasset

    IPC: B29C43/14 ,  B29C47/06 ,  B28B11/14 ,  B32B9/04 ,  B32B7/02

    CPC classification number: B29C43/203 ,  B29B11/12 ,  B29C47/0016 ,  B29C47/128 ,  B29K2023/06 ,  B29K2023/086 ,  B29K2023/12 ,  B29K2025/00 ,  B29K2027/16 ,  B29K2067/00 ,  B29L2031/565 ,  Y10T428/24942 ,  Y10T428/31504

    Abstract: The invention relates to a method of manufacturing a multilayer object in synthetic resin (9) by compression moulding a dose of molten multilayer resin (1) comprising at least one functional layer (2,20), each layer of the dose being in the molten state at the time of compression; the method consisting at least in co-extruding the resins through a die, in cutting the extrudate periodically in order to obtain a dose (1), then in depositing the dose (1) in the molten state in the cavity of a mould; the method thereby defining, within the dose, an extrusion direction and an arrangement of the functional layer (2,20) parallel to the extrusion direction; the method being characterized in that the dose is compressed along a compression axis (16) which intersects the extrusion direction, so as to introduce, into the flow of the layers, asymmetry with respect to the compression axis (16).The invention also relates to an object obtained with the aforementioned method, to a dose used in the context of this method and to a device for implementing the said method.

    Abstract translation: 本发明涉及一种通过压缩成型含有至少一个功能层（2,20）的熔融多层树脂（1）的方法来制造合成树脂（9）中的多层物体的方法，每层的剂量处于熔融 压缩时的状态; 所述方法至少在通过模具共同挤出树脂时，周期性地切割挤出物以获得剂量（1），然后在模具的空腔中沉积处于熔融状态的剂量（1）; 所述方法从而在所述剂量内限定所述功能层（2,20）平行于挤出方向的挤出方向和排列; 该方法的特征在于沿着与挤压方向相交的压缩轴线（16）压缩剂量，以便将相对于压缩轴线（16）的不对称性引入层的流动。 本发明还涉及通过上述方法获得的对象，涉及在该方法的上下文中使用的剂量以及用于实现所述方法的装置。

    Heat-sealing device for packaging material
    35.
    发明申请
    Heat-sealing device for packaging material 有权
    包装材料热封装置

    公开(公告)号：US20050133496A1

    公开(公告)日：2005-06-23

    申请号：US10498907

    申请日：2002-12-16

    Applicant: Jacques Thomasset

    Inventor： Jacques Thomasset

    IPC: B23K13/02 ,  B29C53/50 ,  B29C65/02 ,  B29C65/04 ,  B29L9/00 ,  B23K13/01 ,  H05B6/10

    CPC classification number: B23K13/025 ,  B29C53/50 ,  B29C65/3656 ,  B29C65/3668 ,  B29C65/368 ,  B29C66/1122 ,  B29C66/4322 ,  B29C66/71 ,  B29C66/72321 ,  B29C66/80 ,  B29C66/8126 ,  B29K2995/0008 ,  B29L2009/003 ,  B29K2023/06

    Abstract: Device for welding a moving packaging material (1) comprising a layer that can be heated by electro-magnetic induction and a thermoplastic layer incorporating a welding zone (2) which lies in the direction of movement of the packaging material; the welding device comprising an alternating current generator, a coil (3, 5, 6) for transforming the alternating current into a magnetic field, a ferromagnetic element (7, 8, 10-13) for channelling the magnetic field lines in a specific direction, the magnetic field being oriented so as to cross the packaging material (1) in order to induce heating of the layer that can be heated by electromagnetic induction; the welding device being characterized in that it comprises a set of ferromagnetic elements (7, 8, 10-13, 19-21) which are arranged so that the magnetic field lines cross the packaging material (1) in at least two distinct regions (14, 16-18) located along the welding zone (2).

    Abstract translation: 用于焊接移动包装材料（1）的装置，包括可通过电磁感应加热的层和包含位于包装材料运动方向上的焊接区（2）的热塑层; 所述焊接装置包括交流发电机，用于将所述交流电转换成磁场的线圈（3,5,6），用于在特定方向上引导所述磁场线的铁磁元件（7,8,10-13） 磁场被定向以便穿过包装材料（1），以引起可通过电磁感应加热的层的加热; 焊接装置的特征在于其包括一组铁磁元件（7,8,10-13,19-21），其被布置成使得磁场线在至少两个不同的区域中横穿包装材料（1） 沿着焊接区域（2）定位。

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