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    UNITÉ D'INJECTION POURVUE D'UN SYSTÈME DE FIXATION MAGNÉTIQUE
    12.
    发明公开
    UNITÉ D'INJECTION POURVUE D'UN SYSTÈME DE FIXATION MAGNÉTIQUE 审中-公开
    具有磁性紧固系统的注射单元

    公开(公告)号：EP3242786A1

    公开(公告)日：2017-11-15

    申请号：EP16701832.4

    申请日：2016-01-06

    申请人： Sidel Participations

    发明人： LEMAIRE, Cédric

    IPC分类号： B29C49/58 ,  B29C49/06 ,  B29C49/12 ,  B29C49/36

    CPC分类号： B29C49/58 ,  B29C49/06 ,  B29C49/12 ,  B29C49/36 ,  B29C2049/5803 ,  B29C2049/5862 ,  B29C2049/5879

    摘要： The invention relates to an injection unit (13) for a machine for making containers via blow molding or stretch blow molding, in a mold (8) cavity having the shape of the containers (2), using plastic blanks (3), wherein said injection unit (13) comprises: a plasticizer unit (14) defining a fluid pipe and provided with at least one fluid supply port (18) in communication with the fluid pipe, a movable element (24) provided with a bell nozzle (25) in fluid communication with the pipe, the movable element (24) being slidably mounted relative to the plasticizer unit (14); a system (46) for magnetically attaching the movable element (24) to the plasticizer unit (14) that is capable of retaining the movable element (24), under the weight thereof, in a safety position in which the bell nozzle (25) is spaced apart from the mold.

    Method for hydroforming a container from a preform
    16.
    发明公开
    Method for hydroforming a container from a preform 有权
    Verfahren zum Hydroformen einesBehältersaus einer Vorform

    公开(公告)号：EP2942177A1

    公开(公告)日：2015-11-11

    申请号：EP14305658.8

    申请日：2014-05-05

    申请人： Discma AG

    发明人： Gillet, Denis

    IPC分类号： B29C49/46 ,  B29C49/42

    CPC分类号： B29C49/76 ,  B29C49/06 ,  B29C49/12 ,  B29C49/28 ,  B29C49/46 ,  B29C49/58 ,  B29C2049/4294 ,  B29C2049/465 ,  B29C2049/4652 ,  B29C2049/4655 ,  B29C2049/4658 ,  B29C2049/5862 ,  B29L2031/712 ,  B29L2031/7158

    摘要： Assembly (30) of a preform (32) and a station (34) for hydroforming a container from the preform, wherein:
    - the preform has a neck (44) extending along an axial direction (D), the neck comprising a support ring (46), and a finish (48),
    - the station comprises a mold (36) in which the preform is placed, the support ring being in contact with a support surface (56) of the mold,
    - the station comprises an injection nozzle that is movable along the axial direction with respect to the mold from a retracted position to an intermediate position, wherein a contact is established between a first contact surface (72) of the nozzle and the finish, and further to an injection position, wherein a second contact surface (74) of the nozzle abuts on an abutment surface (76) and the neck is axially compressed between the support surface and the first contact surface, the first contact surface being less deformable than the neck in the axial direction, and
    - the station is adapted for injecting a liquid from the nozzle into the preform when the nozzle is in the injection position, and the abutment surface is fixed along the axial direction with respect to the mold at least during the injection.

    摘要翻译： 预成型件（32）的组件（30）和用于从预成型件液压成形容器的工位（34），其中： - 所述预成型件具有沿轴向方向（D）延伸的颈部（44），所述颈部包括支撑环 （46）和精加工（48）， - 所述工位包括模具（36），所述预成型件放置在所述模具中，所述支撑环与所述模具的支撑表面（56）接触，所述工位包括注射 喷嘴，其可相对于模具从轴向方向从缩回位置移动到中间位置，其中，在喷嘴的第一接触表面（72）与喷嘴之间建立接触，并且进一步到喷射位置，其中， 喷嘴的第二接触表面（74）抵靠在邻接表面（76）上，并且颈部在支撑表面和第一接触表面之间被轴向压缩，第一接触表面在轴向方向上比颈部变形小，以及 - 车站适用于注射液体 d当喷嘴处于注射位置时从喷嘴进入预成型件，并且至少在注射期间，邻接表面相对于模具沿轴向方向固定。