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    • 5. 发明申请
    • METHOD AND EQUIPMENT FOR PRODUCING VACUUM PACKS
    • 生产真空包装的方法和设备
    • WO2012098085A1
    • 2012-07-26
    • PCT/EP2012/050588
    • 2012-01-17
    • ROSSI, Gianluigi
    • ROSSI, Gianluigi
    • B65B31/02B65B51/30B65B61/24B65B61/28B65B61/18B65B61/06B65B9/20
    • B65B31/022B65B9/20B65B31/024B65B51/303B65B61/06B65B61/188B65B61/24B65B61/28
    • Method for producing vacuum packs, comprising the following steps: a) complete welding of the base of a first pack (P1) which is made by means of a tubular former (1, 1') around which a film (17) of plastic material is wrapped, and into which is introduced a certain quantity of product to be packaged; b) partial welding of the top of the pack (P1) in such a way that at least one gap is left between two mutually facing flaps (117, 217) of the film (17) which forms the top of the pack (P1); c) separating the top of the first pack (P1) from the base of a pack (P2) following the first pack; d) introducing the first pack (P1), processed by the aforesaid steps, into a vacuum chamber (7) and forming the pack by compacting the corresponding walls inside the chamber; e) creating a vacuum in the hermetically sealed chamber (7); f) finishing the welding of the flaps (117, 217) of the top of the pack (P1) and discharging the pack from the chamber (7).
    • 一种用于制造真空包装的方法,包括以下步骤:a)完全焊接通过管状成形器(1,1')制成的第一包装(P1)的基部,围绕着该塑料件的薄膜(17) 被包装,并引入一定量的包装产品; b)以使得在形成包装(P1)的顶部的胶片(17)的两个相互面对的折片(117,217)之间留下至少一个间隙的方式部分地焊接包装(P1)的顶部, ; c)将第一包装(P1)的顶部与第一包装后面的包装(P2)的底部分离; d)将通过上述步骤处理的第一包装物(P1)引入真空室(7)中,并通过压实室内相应的壁来形成包装; e)在气密密封室(7)中产生真空; f)完成包装(P1)顶部的襟翼(117,217)的焊接并从包装盒(7)中排出包装。
    • 8. 发明申请
    • PROCESS AND APPARATUS FOR MAKING BAGS AND PLASTIC FILM BAG
    • 用于制造袋子和塑料膜袋的方法和设备
    • WO2008120062A2
    • 2008-10-09
    • PCT/IB2008000703
    • 2008-03-26
    • BORDI CARLO S R LPERDONI NORA
    • PERDONI NORA
    • B31B19/36B31B19/90B65D30/20B65H37/02B65H45/30
    • B65D33/2508B31B70/266B31B70/36B31B70/8133B65B61/188B65D31/10
    • In a process and in an apparatus for making bags (50), a film (51), preferably a flexible plastic film, is fed from a suitable roll (53) and at least one indented pleated portion is made in the film (51), in particular a first and a second indented pleated portions (56, 58) having a first and a second flap (56a, 56b and 58a, 58b), wherein the corresponding indented pleated portion (56, 58) has at least one respective longitudinal end (56', 56" and 58', 58"). Advantageously, a corresponding part (56'a, 56"a, 58'a, 58"a) of the pleated portion (56a, 58a) is joined to a corresponding part (546a, 546b, 548a, 548b) of the film face (52) opposite, immediately after, or downstream of, the step of forming the pleats (56, 58) and, in any case, before making the film (12) into a tube. The invention also relates to a bag made of flexible plastic film.
    • 在制造袋子(50)的过程和装置中,从合适的辊子(53)供给膜(51),优选为柔性塑料膜,并且在膜(51)中制造至少一个缩进的褶皱部分, ,特别是具有第一和第二翼片(56a,56b和58a,58b)的第一和第二缩进褶皱部分(56,58),其中对应的缩进褶皱部分(56,58)具有至少一个相应的纵向 (56',56“和58',58”)。 有利的是,褶皱部分(56a,58a)的对应部分(56'a,56“a,58'a,58”a)连接到膜面的相应部分(546a,546b,548a,548b) (52),紧接在形成褶皱(56,58)的步骤之后或之后,并且在任何情况下,在将膜(12)制成管之前。 本发明还涉及一种由柔性塑料薄膜制成的袋子。