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    • 1. 发明公开
    • Unit and method for molding opening devices for application to packages of pourable food products
    • 对于采用开放式设备包流动食品的方法和装置
    • EP1813410A1
    • 2007-08-01
    • EP06100974.2
    • 2006-01-27
    • Tetra Laval Holdings & Finance S.A.
    • Martini, PietroNaismith, Graeme
    • B29C45/14B65D5/74
    • B29C45/14344B29L2031/565B29L2031/7162
    • There is described a molding unit (1) for producing opening devices (2); the unit (1) is fed with a web (3) having a number of holes; the opening device (2) has a spout (4) closed by a membrane (9), a neck portion (8) projecting from the spout (4), and a pull ring (11) extending from the membrane (9) inside the neck portion (8); the unit (1) has first and second mold means (15, 16) cooperating, at one of the holes, with the web (3) to define a closed cavity (19), and movable so as to be detached from the web (3); the unit (1) also has a first (20) and a second (21) matrix which can be set to a configuration in which they are located inside the cavity (19) to define a first and second volume (28, 29); the matrixes (20, 21) are movable with respect to the web (3) to disengage the opening device (2) from the volumes (28, 29) and permit removal of the opening device by feeding forward the web (3); and the unit (1) also has a single actuator (22), which moves one (16) of the mold means (15, 16) and the matrixes (20, 21) to/from the web (3).
    • 有一个描述模制单元(1)一种制造口(2)的装置; 所述单元(1)被馈送有幅带(3),其具有多个孔; 开启装置(2)具有一个管口(4)由(9),颈部部分(8)从所述管口(4),和一拉环(11)投影来自内部的膜(9)延伸的一膜片封闭 颈部部分(8); 所述单元(1)具有第一和第二模具装置(15,16)配合,在所述孔中的一个,与所述幅带(3),以限定一个封闭的腔(19),和可移动的,以从网络上拆下( 3); 所述单元(1),因此具有第一(20)和第二(21),其可被设置为在它们所在的空腔(19)内的配置矩阵,以限定第一和第二容积(28,29); 所述矩阵(20,21)是可相对于所述幅材(3)以由前馈纸幅(3)脱离所述开口装置的体积(28,29)和许可证除去开启装置(2); 和单元(1)因此具有单个致动器(22),其中模具装置(15,16)和所述矩阵(20,21)的从所述幅带(3)移动一个(16)/。