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    • 6. 发明公开
    • Apparatus for the formation and application of a sealing flap to seal the mouth of a filled sack
    • 装置用于形成和附接封闭带用于封闭填充袋的嘴。
    • EP0635427A1
    • 1995-01-25
    • EP94830334.2
    • 1994-07-05
    • CONCETTI S.p.A.
    • Concetti, Teodoro
    • B65B7/02
    • B65B51/062B65B7/02
    • An apparatus for forming and applying a sealing flap to seal the mouth of a filled sack, starting from a continuous strip (9) of heat-sealable material includes a first loop conveyor to unwind the strip from the feeder roll and transfer it, using clamp means (10, 11, 12, 13) and guide means (14), to a second loop conveyor (15), likewise provided with clamp means (21, 22, 23, 24) to hold the strip (9). Between the first and the second conveyor (1, 15) cutting means (28, 29) are provided to cut the strip (9) when the section of the latter transferred to the second conveyor (15) has reached a pre-set length corresponding to the width of the sack (31) to be sealed. The second conveyor is associated with a shaping device (26) which, during advance of the strip (9), folds the strip itself until it is substantially in the shape of an upside down U, thus forming the sealing flap (32). The second conveyor (15) moves between a first upturned position around the end adjacent to the first conveyor (1), corresponding to the formation stage of said sealing flap (32), and a horizontal position, corresponding to the positioning stage of the sealing flap (32) over the mouth of the sack (31) to be closed ready for subsequent sealing.
    • 用于形成和施加密封折片以密封填充的袋的口,从可热密封材料的连续条带(9)开始的装置,包括一个第一循环输送器从所述喂送辊退绕条带和转移它,使用钳 装置(10,11,12,13)和导向装置(14)的第二环输送机(15),同样地设置有夹紧装置(21,22,23,24),以保持所述带材(9)。 所述第一和第二传送器(1,15)切割装置之间(28,29)被提供给切割带材(9),当后者的转移到第二输送机上的部分(15)已经达到预先设定的长度CORRESPONDING 到袋(31)的宽度,以进行密封。 第二输送机被预先条(9)的过程中与一个成形装置(26),相关联的,折叠的带材本身直到它基本上在颠倒U的形状,因此形成密封折片(32)。 第二输送机(15)围绕所述端部相邻于所述第一输送机(1)的第一上翻位置之间移动时,对应于密封所述的形成阶段翼片(32)和水平位置时,对应于密封的定位台 翼片(32)在所述袋(31)的口部为随后的密封封闭准备。