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    • 7. 发明授权
    • Zipper tape for a bag and method of producing the same
    • 一种袋子的拉链带及其制造方法
    • US07077570B2
    • 2006-07-18
    • US10716888
    • 2003-11-18
    • Hirotsugu FukumoriNobuyuki KawaiHirozo AmanoNobuhiko MorikawaKazuhiko NakajimaSatoshi Fujioka
    • Hirotsugu FukumoriNobuyuki KawaiHirozo AmanoNobuhiko MorikawaKazuhiko NakajimaSatoshi Fujioka
    • B65D33/16
    • B65D33/255B29D5/10B65D33/2533B65D33/2541Y10T24/2534Y10T24/45168
    • A zipper tape is provided which can freely be used regardless of whether the zipper tape is made from a polypropylene-based resin or a polyethylene-based resin and also on which letters can be printed or any color can be given thereto. A method of producing the zipper tape with high productivity by means of extruding male strips and female strips in rows in a batch is provided. The zipper tape (2) with the mating section (3) (the male strip (3a) and the female strip (3b)) formed thereon has a three-layered structure comprising the heat-insulating film (6) as an intermediate layer, the thermally fused film (7) thermally fused and bonded to one side of the heat-insulating film (6) of the bag (5), and the thermally fused film (8) for formation of a mating section bonded to another side of the bag (5). The male strips (3a) and female strip (3b) for forming a mating section together are extruded from the miscellaneous extrusion molding machine (101) onto a surface of the thermally fused film (8) for forming a mating section in rows in the state where adjoining male and female strips form pairs respectively and are thermally fused and bonded to the base tape. Then the base tape is cut along each strip with the adjoining male strip (3a) and female strip (3b) mated with each other to form the mating section (3), and is wound up to provide a product. Letters, marks, or colors are printed on or given to the mating sections (102) and (104) on the base tapes (101) and (103) respectively.
    • 提供可以自由使用的拉链带,而不管拉链带是由聚丙烯基树脂或聚乙烯基树脂制成的,还可以在其上印刷字母或可以给予任何颜色。 提供了通过以批次挤压雄性条和雌性条以高生产率制造拉链带的方法。 在其上形成的具有配合部分(3)(阳性条(3a)和阴条(3b))的卡扣带(2)具有三层结构,其包括作为中间体的绝热膜(6) 热熔融并粘合到袋(5)的绝热膜(6)的一侧的热熔膜(7)和用于形成结合到另一侧的配合部分的热熔融膜(8) 的袋子(5)。 用于将配合部分一起形成的阳条(3a)和阴条(3b)从各种挤压成型机(101)挤出到热熔胶膜(8)的表面上,以形成一排配合部分 相邻的阳和阴条分别形成对并且被热熔合并粘合到基带上的状态。 然后沿相邻的条带切割基带,相邻的公条(3a)和母条(3b)彼此配合以形成配合部分(3),并且被卷起以提供产品。 字母,标记或颜色分别印刷在基带(101)和(103)上的配对部分(102)和(104)上。