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    • 7. 发明授权
    • Method of hot air sealing polymeric bag
    • 热空气密封聚合袋方法
    • US09527259B2
    • 2016-12-27
    • US14626673
    • 2015-02-19
    • AMS Associates, Inc.
    • Allen Michael Shapiro
    • B31B1/64B31B19/64B65D30/20B65D33/18
    • B31B19/64B31B70/64B31B2150/00B31B2160/10B31B2170/20B31B2219/603B31B2221/05B31B2221/10B65D31/10B65D33/18B65D33/22B65D33/24
    • The present invention concerns a gusseted flexible bag, a method of manufacturing the bag, and apparatus for manufacture of said bags, closure devices for such bags and method of sealing the bag. In one embodiment, the flexible bag of the present invention is formed from the tube of material having a front side and a rear side. A pair of laterally disposed opposing gusset folds are formed in the tube along its sides. Each of the folds has a longitudinal crease. The bag further has a rear side flap extending from the rear side of the bag across the width of the tube which is folded over onto and hot air sealed to the front side of the tube of material. The gussets each have a slit approximate a first end of the tube thereby forming a front side flap. A front side flap may also be manufactured, if desired, which is then folded over when the rear side flap is folded so that the front side flat rests under the rear side flap. The rear side flap is hot air sealed to the front side of the bag with the front side flap being sealed therebetween. In the preferred embodiment the tube of material comprises polypropylene film on the exterior of the tube and woven polypropylene film on the interior of the tube. In a preferred embodiment the woven polypropylene film on the inner surface of the rear side flap is sealed to the woven polypropylene film on the inside surface of the front side flap.
    • 本发明涉及一种角撑板的柔性袋,制造袋的方法,以及用于制造所述袋的装置,用于这种袋的封闭装置和密封袋的方法。 在一个实施例中,本发明的柔性袋由具有前侧和后侧的材料管形成。 一对横向设置的相对的角撑板折叠沿其侧面形成在管中。 每个折叠具有纵向折痕。 该袋还具有从袋的后侧延伸穿过管的宽度的后侧翼片,折叠在其上,热空气密封到材料管的前侧。 角撑板各自具有近似于管的第一端的狭缝,从而形成前侧翼片。 如果需要,也可以制造前侧翼片,然后在后侧翼片折叠时将前侧翼片折叠起来,使得前侧平板搁置在后侧翼片下方。 后侧翼片是密封在袋的前侧的热空气,其中前侧翼片被密封在其间。 在优选实施例中,材料管包括管的外部的聚丙烯膜和管的内部的编织的聚丙烯膜。 在优选的实施方案中,后侧翼片的内表面上的编织聚丙烯膜被密封到前侧翼片的内表面上的编织聚丙烯膜。
    • 10. 发明授权
    • Flexible packaging bag
    • 软包装袋
    • US09321559B2
    • 2016-04-26
    • US13984360
    • 2012-02-10
    • Katsunori Futase
    • Katsunori Futase
    • B65D33/24B65D75/58B65D75/00
    • B65D33/24B65D75/008B65D75/5811B65D75/5866
    • A flexible package bag is equipped with a film-shape non-return nozzle by which a pouring amount of a liquid packed material can be stabilized by rectifying a pouring flow of the liquid packed material. The pouring performance and breaking resistance of the bag can be improved by reinforcing the film-shaped non-return nozzle. A flexible package bag is formed by fusion-joining a base end portion of a film-shaped non-return nozzle having an outer non-return function of preventing penetration of ambient air into the bag to inner surfaces of a side portion of a main package bag body composed of plastic laminate films and projecting therefrom. A seal section for rectification/reinforcement formed by fusing two opposed plastic laminate films is disposed at a position near to the main package bag body including a lower portion of a fused section to the base end portion of the film shaped non-return nozzle.
    • 柔性包装袋配有膜状止回喷嘴,可以通过对液体包装材料的倾倒流进行整流来稳定液体包装材料的倾倒量。 通过加强膜形止回喷嘴可以提高袋的浇注性能和抗断裂性。 通过将具有防止外部空气渗透到袋中的外部不起作用的膜状止回喷嘴的基端部与主包装件的侧部的内表面熔接而形成柔性包装袋 袋体由塑料层压膜组成并从中突出。 通过熔融两个相对的塑料层压膜形成的用于整流/加固的密封部分设置在靠近主包装袋主体的位置,该主包装袋主体包括一个熔融部分的下部,到薄膜状止回喷嘴的基端部分。