WO2016206379A1 - 一种可反复开启式密封卷烟软包装盒及其制备方法 - Google Patents

一种可反复开启式密封卷烟软包装盒及其制备方法 Download PDF

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WO2016206379A1
WO2016206379A1 PCT/CN2016/072911 CN2016072911W WO2016206379A1 WO 2016206379 A1 WO2016206379 A1 WO 2016206379A1 CN 2016072911 W CN2016072911 W CN 2016072911W WO 2016206379 A1 WO2016206379 A1 WO 2016206379A1
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layer
cigarette
sealing
adhesive
tension
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PCT/CN2016/072911
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English (en)
French (fr)
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余耀
詹建波
余振华
张莹
余婷婷
谢姣
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云南中烟工业有限责任公司
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Publication of WO2016206379A1 publication Critical patent/WO2016206379A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/07—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles
    • B65D85/08—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular
    • B65D85/10—Containers, packaging elements or packages, specially adapted for particular articles or materials for compressible or flexible articles rod-shaped or tubular for cigarettes

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  • the invention belongs to the technical field of processing and preparation of cigarette packaging boxes, in particular to a re-openable sealed cigarette soft packaging box and a preparation method thereof.
  • the reopenable sealed cigarette packaging box has the characteristics of maintaining the moisture stability of the cigarette and reducing the taste change of the cigarette smoking, and has been applied in China.
  • a new type of scented and moisturizing, repeated-adhesive cigarette inner packaging 201320641976.8 discloses a new type of scented and moisturizing, repeated pasting type cigarette inner packaging, which comprises a fresh-keeping sealing film and repeated use of the same. Label.
  • the utility model also discloses a manufacturing method of the inner package. The utility model uses the fresh-keeping sealing film to replace the traditional aluminum foil paper wrapped cigarettes to maintain the freshness of the cigarette, and the freshness of the first and last cigarettes is not different, and the fresh-keeping performance is increased.
  • a soft box cigarette package 201310624084.1 with a repeated open-open seal relates to a soft box cigarette package with a repeated open seal, characterized in that it comprises a paste-on repeated open seal (1) , the inner liner paper (2) and the outer box (3), the pasting repeated open seal 1 comprises an edge seal (4), a seal (5) and a pull tab (6), and the seal edge (4) is provided with a bond
  • the layer is pasted on the front and back sides of the outer box (3) and the inner liner paper (2), and the sealing (5) covers the cigarette extraction opening, and the cigarette extraction opening is cut by the inner liner paper, and the pull tab is non-sticky.
  • the cigarette extraction opening is exposed by opening the pull tab upward.
  • the soft box cigarette package with the repeated open type seal can seal and protect the opened cigarette, and the sealing effect is good, which effectively ensures the moisture and the taste of the cigarette after the cigarette pack is opened.
  • the cigarette soft pack itself lacks the support structure after the cigarette is continuously taken out, and the box body is easily deformed during use.
  • the technical defect brings the following quality problems: After being taken out, the soft packaging box of the cigarette lacks the necessary support. When the box is sealed, it is necessary to continuously increase the external force, causing deformation of the box body and damage of the cigarette branch, resulting in secondary quality problems. 2 The deformation of the flexible packaging box also causes the sealing failure, so that the moisture of the cigarette can not be maintained continuously, and the taste of the first cigarette changes compared with the last cigarette.
  • the technical problem to be solved by the present invention is to provide a re-openable sealed cigarette soft packaging box which is simple in process, ingenious in structure, expands in function, and can solve the defects of the prior art and a preparation method thereof.
  • the present invention adopts the following technical solutions:
  • a re-openable sealed cigarette soft packaging box comprising a U-shaped outer wrap layer, a tension seal and a sealing layer, wherein the U-shaped outer wrap layer is provided with a crease line, a bonding layer and a low peel strength adhesive
  • the first layer of the U-shaped frame is folded according to the crease line and bonded to the square structure by the adhesive layer, and the sealing layer is provided with a bonding layer 2 and an opening tab, the sealing The layer is adhered to the inside of the U-shaped frame outer wrap layer by the adhesive layer 2, and completely covers the opening of the bonded U-shaped frame outer wrap layer, and the tension seal is provided with the adhesive layer 3 and the low peel strength.
  • the bonding layer 2, the bonding layer 3 and the low peeling strength bonding layer 2 are bonded to the bonding layer 1 and the low peeling strength bonding layer of the outer surface of the U-shaped outer wrapping layer, respectively.
  • Another technical problem to be solved by the present invention is to provide a method for preparing a re-openable sealed cigarette soft package, comprising the following steps:
  • F is the tension of the tension seal
  • f 1 is the adhesive force provided by the adhesive perpendicular to the package
  • f 2 is the adhesive force provided by the adhesive parallel to the package and downward.
  • the opening tab on the sealing layer is in a state of being wrapped by the outer wrapping layer of the U-shaped frame;
  • the sealing layer and the tension sealing seal are provided to provide a supporting frame.
  • the flexible packaging box of the cigarette relies on the contents (tobacco branch) as a support to prevent deformation of the casing, but After the cigarette is continuously extracted and eaten, the box is easily deformed to cause quality defects.
  • the second is to provide sufficient space for the contents of the package (tobacco branch) to prevent the cigarette branch from being crushed and damaged during repeated opening;
  • the tensioned seal can be tensioned to achieve: the outer layer of the sealing layer and the U-shaped frame
  • the connection function is provided; the opening tab of the sealing layer is always in tension by the tension seal, and the sealing function of the flexible packaging box is prevented from being invalid.
  • the material of the sealing layer is required to have characteristics such as odorless, non-toxic, good chemical stability and low water absorption, such as polyethylene PE.
  • the beneficial effects of the invention are as follows: 1)
  • the existing re-openable sealed cigarette soft packaging box mainly relies on its contents (tobacco branch) as a support to prevent the deformation of the box body, but after the cigarette is continuously extracted and eaten, the box Due to the lack of necessary support, in the process of sealing the package, it is necessary to continuously increase the external force, which causes the deformation of the box body and the cigarette branch to be easily crushed and damaged, which brings about secondary quality problems of the product; and the present invention does not add a new composition.
  • FIG. 1 is a schematic view showing the open state of a refastenable sealed cigarette soft packaging box according to the present invention
  • FIG. 2 is a schematic view showing an unactivated state of a refastenable sealed cigarette soft packaging box according to the present invention
  • FIG. 3 is a schematic view showing the state of the reopening state of the re-openable sealed cigarette flexible packaging box according to the present invention
  • FIG. 4 is a schematic view of a U-shaped outer wrapping layer of a re-openable sealed cigarette soft packaging box according to the present invention.
  • Figure 5 is a schematic view showing a tension seal of a re-openable sealed cigarette soft packaging box according to the present invention
  • Figure 6 is a schematic view showing a sealing layer of a re-openable sealed cigarette soft packaging box according to the present invention.
  • Figure 7 is a diagram showing the force of a tension seal of a re-openable sealed cigarette flexible packaging box according to the present invention.
  • a U-shaped frame can be repeatedly opened and sealed with a cigarette soft packaging box, which is wrapped by a sealing layer (8), the length of the cigarette is 84 mm, and the circumference of the cigarette is 24.30 mm. After wrapping with a U-shaped outer wrap layer (6), it is adhered between the two by a tension seal (7).
  • the cigarette flexible package is produced by forming a sealing layer (8) on a polyethylene PE film in accordance with the position required for the die tangential line (3) and the crease line (4).
  • a U-shaped outer wrap layer (6) was prepared in accordance with the position required for the die-cut line (3) and the crease line (4).
  • a tension seal (7) was prepared in accordance with the position required for the die-cut line (3).
  • the adhesive peeling strength is 100 N/m; in the low peel strength bonding layer one (2 The adhesive was applied to the low peel strength bonding layer (11), and the adhesive peel strength was 60 N/m.
  • the above-mentioned cigarette soft packaging box is used together with a BOPP film and a wire to make a complete package of cigarette packets.
  • a U-shaped frame can be repeatedly opened and sealed with a cigarette soft packaging box, which is wrapped by a sealing layer (8), the length of the cigarette is 100 mm, and the circumference of the cigarette is 17.00 mm. After wrapping with a U-shaped outer wrap layer (6), it is adhered between the two by a tension seal (7).
  • the cigarette flexible package is produced by forming a sealing layer (8) on a polyethylene PE film in accordance with the position required for the die tangential line (3) and the crease line (4).
  • a U-shaped outer wrap layer (6) was prepared in accordance with the position required for the die-cut line (3) and the crease line (4).
  • a tension seal (7) was prepared in accordance with the position required for the die-cut line (3).
  • the adhesive peeling strength is 120 N/m; in the low peel strength bonding layer one (2 Applying a binder to the low peel strength bonding layer (11), the adhesive peel strength is 50 N/m.
  • the above-mentioned cigarette soft packaging box is used together with a BOPP film and a wire to make a complete package of cigarette packets.
  • a U-shaped frame can be repeatedly opened and sealed with a cigarette soft packaging box, which is wrapped by a sealing layer (8), the length of the cigarette is 74 mm, and the circumference of the cigarette is 24.20 mm. After wrapping with a U-shaped outer wrap layer (6), it is adhered between the two by a tension seal (7).
  • the cigarette flexible package is produced by forming a sealing layer (8) on a polyethylene PE film in accordance with the position required for the die tangential line (3) and the crease line (4).
  • a U-shaped outer wrap layer (6) was prepared in accordance with the position required for the die-cut line (3) and the crease line (4).
  • a tension seal (7) was prepared in accordance with the position required for the die-cut line (3).
  • the adhesive peeling strength is 180 N/m; in the low peel strength bonding layer one (2 The adhesive was applied to the low peel strength bonding layer (11), and the adhesive peel strength was 100 N/m.
  • the above-mentioned cigarette soft packaging box is used together with a BOPP film and a wire to make a complete package of cigarette packets.

Abstract

一种可反复开启式密封卷烟软包装盒及其制备方法。该软包装盒包括U型框架外包裹层（6）、张力封签（7）和密封层（8），所述U型框架外包裹层上设有折痕线（4）、粘结层一（1）和低剥离强度粘结层一（2），所述U型框架外包裹层根据折痕线进行折叠、并通过粘结层粘接为一方形结构，所述密封层上设有粘结层二（9）和开启拉片（5），所述密封层通过粘结层二粘接于U型框架外包裹层的内部、且完全覆盖粘接后的U型框架外包裹层的开口，所述张力封签（7）上设有粘结层三（10）和低剥离强度粘结层二（11），所述粘结层三和低剥离强度粘结层二分别与U型框架外包裹层外表面的粘结层一和低剥离强度粘结层一粘接。该软包装盒结构巧妙，制备工艺简洁。

Description

一种可反复开启式密封卷烟软包装盒及其制备方法 技术领域
本发明属于卷烟用包装盒加工制备技术领域，具体地讲，本发明涉及一种可反复开启式密封卷烟软包装盒及其制备方法。
背景技术
近几年出现的可反复开启式密封卷烟包装盒，具有维持烟支水分稳定，减少烟支抽吸口味变化的特性，目前国内已开始应用。
例如“一种新型增香保润、反复粘贴式卷烟内包装201320641976.8”，公开了一种新型增香保润、反复粘贴式卷烟内包装，该内包装包括保鲜密封膜和与其配套使用的反复粘贴式标签。本实用新型还公开了该内包装的制造方法。本实用新型使用保鲜密封膜代替传统的铝箔纸包裹烟支来保持卷烟的新鲜程度，吸食第一只和最后一支烟的新鲜度并无差别，增加了保鲜性能。
又例如“一种粘贴重复开启式封签的软盒卷烟包装盒201310624084.1”，涉及一种粘贴重复开启式封签的软盒卷烟包装盒，其特征在于，包括粘贴重复开启式封签(1)，内衬纸(2)和外盒(3)，所述粘贴重复开启式封签1包括封边(4)，封口(5)和拉片(6)，封边(4)设有粘合层，粘贴于外盒(3)的正面、背面两侧及内衬纸(2)上，封口(5)覆盖卷烟抽取口，该卷烟抽取口经内衬纸裁切而成，拉片无粘合层，通过向上开启拉片，露出卷烟抽取口。该粘贴重复开启式封签的软盒卷烟包装盒可对开启后的卷烟密封保护，密封效果好，有效保障了烟包开启后卷烟的水分和吸味。
上述两个方案在生产实践中，由于未考虑烟支不断被抽取后，卷烟软包装盒自身缺少支撑结构，在使用过程盒体易变形，该技术缺陷带来如下质量问题：①随着烟支不断被抽出食用后，卷烟软包装盒体因缺乏必要支撑，在密闭该包装盒时，需要不断增大外力，致使盒体发生变形、烟支挤压受损，带来次生质量问题。②软包装盒变形还导致密封失效，使得烟支水分无法持续维持，第一支烟支与最后一支烟支相比吃味发生变化。
发明内容
本发明要解决的技术问题是提供一种工艺简洁，结构巧妙，功能拓展，能够解决现有技术缺陷的可反复开启式密封卷烟软包装盒及其制备方法。
为解决上述问题，本发明采用如下技术方案：
一种可反复开启式密封卷烟软包装盒，包括U型框架外包裹层、张力封签和密封层，所述U型框架外包裹层上设有折痕线、粘结层一和低剥离强度粘结层一，所述U型框架外包裹层根据折痕线进行折叠、并通过粘结层粘接为一方形结构，所述密封层上设有粘结层二和开启拉片，所述密封层通过粘结层二粘接于U型框架外包裹层的内部、且完全覆盖粘接后的U型框架外包裹层的开口，所述张力封签上设有粘结层三和低剥离强度粘结层二，所述粘结层三和低剥离强度粘结层二分别与U型框架外包裹层外表面的粘结层一和低剥离强度粘结层一粘接。
本发明要解决的另一技术问题为提供一种可反复开启式密封卷烟软包装盒的制备方法，包括以下步骤：
1)分别施加粘结剂于密封层、U型框架外包裹层和张力封签上；
2)使用密封层包裹烟支组；
3)使用U型框架外包裹层包裹住密封层；
4)将张力封签分别粘接于U型框架外包裹层和密封层上；
5)配合使用BOPP薄膜、拉线，制作出一包完整的烟包。
进一步的，所述张力封签的受力满足如下数学模型要求：
Figure PCTCN2016072911-appb-000001
其中，F为张力封签的自身张力，f1为粘结剂所提供的垂直于包装盒的粘力，f2为粘结剂所提供的平行于包装盒且向下的粘力。
使用方法：
1)在首次开启之前，密封层上的开启拉片处于被U型框架外包裹层包裹的状态；
2)当软包装盒开启时，张力封签与开启拉片所处位置；
3)开启后再闭合时，张力封签与开启拉片在U型框架外包裹层外侧。
U型框架外包裹层
在本软包装盒反复开启过程中，为密封层和张力封签封闭烟支组提供支撑框架作用，一是为解决卷烟软包装盒依靠内容物(烟支)作为支撑来防止盒体变形，但是随着烟支不断被抽出食用后，盒体易变形而产生质量缺陷的问题。二是为本包装的内容物(烟支)提供足够空间，防止在反复开启过程中烟支被挤压损伤；
张力封签
通过其材质本身的挺度，并让张力封签的长度大于各粘接点之间的距离，使得粘接后的张力封签能够张紧，以实现：在密封层和U型框架外包裹层之间提供连接作用；通过张力封签让密封层的开启拉片始终处于张紧状态，避免该软包装盒的密封功能失效。
密封层
为内容物(烟支)提供密封包裹作用，防止烟支水分损失，密封层材质选用要求具备无嗅、无毒、化学稳定性好、吸水性小等特性，例如聚乙烯PE等。
本发明的有益效果是：1)现有的可反复开启式密封卷烟软包装盒，主要依靠其内容物(烟支)作为支撑来防止盒体变形，但是随着烟支不断被抽出食用后，盒体因缺乏必要支撑，在密闭该包装盒的过程中，需要不断增加外力，导致盒体变形、烟支易被挤压损坏，带来产品次生质量问题；而本发明在不增加新的组成要素的条件下，巧妙的设计结构并改良了使用方法，让卷烟软包装盒不依靠内容物所提供的支撑功能，在确保反复开启式密封卷烟软包装盒密封效果的同时，消除了烟支发生次生质量问题的隐患；2)现有的可反复开启式密封卷烟软包装盒，随着烟支不断被抽出食用后，因缺乏必要支撑，在密闭该包装盒的过程中，需要不断增加外力，导致盒体密封效果因变形而失效，使得烟支水分无法持续维持，第一支烟支与最后一支烟支相比吃味发生变化，而本发明在不增加新的组成要素的条件下，巧妙的设计结构并改良了使用方法，让卷烟软包装盒拓展出之前不具备的支撑功能，避免盒体密封效果因变形而失效。
附图说明
图1为本发明一种可反复开启式密封卷烟软包装盒的开启状态示意图；
图2为本发明一种可反复开启式密封卷烟软包装盒的未启用状态示意图；
图3为本发明一种可反复开启式密封卷烟软包装盒的启用后再闭合状态示意图；
图4为本发明一种可反复开启式密封卷烟软包装盒的U型框架外包裹层的示意图；
图5为本发明一种可反复开启式密封卷烟软包装盒的为张力封签的示意图；
图6为本发明一种可反复开启式密封卷烟软包装盒的密封层的示意图；
图7为本发明一种可反复开启式密封卷烟软包装盒的张力封签的受力情况图；
图中：1-粘接层一，2-低剥离强度粘结层一，3-模切线，4-折痕线，5-开启拉片，6-U型框架外包裹层，7-张力封签，8-密封层，9-粘接层二，10-粘接层三，11-低剥离强度粘结层二。
具体实施方式
下面结合附图及具体实施例对本发明加以说明，应当注意，具体实施例不以任何方式对本发明加以限制，依据本发明的教导所作得任何变更或替换，均属于本发明的保护范围。
实施例1
如图1～7所示，本实施例中一种U型框架可反复开启式密封卷烟软包装盒，它由密封层(8)包裹烟支组，烟支长度84mm，烟支圆周24.30mm，再用U型框架外包裹层(6)包裹后，用张力封签(7)粘连于两者之间而成。
该卷烟软包装盒经由以下方法制成：在聚乙烯PE薄膜上，依照模切线(3)和折痕线(4)所要求的位置，制作出密封层(8)备用。
在定量为98g/m2的铜版纸上，依照模切线(3)和折痕线(4)所要求的位置，制作出U型框架外包裹层(6)备用。
在定量为120g/m2的白卡纸上，依照模切线(3)所要求的位置，制作出张力封签(7)备用。
在粘接层一(1)、粘接层二(9)和粘接层三(10)上施加粘结剂，粘结剂剥离强度为100N/m；在低剥离强度粘结层一(2)和低剥离强度粘结层二(11)上施加粘结剂，粘结剂剥离强度为60N/m。
将密封层(8)包裹烟支组，再用U型框架外包裹层(6)包裹后，用张力封签(7)分别粘接于U型框架外包裹层(6)和密封层(8)上，并成“拱桥”状，并让张力封签(7)的受力情况满足数学模型：
Figure PCTCN2016072911-appb-000002
例如，粘结剂所提供的垂直于包装盒的粘力f1＝30N，粘结剂所提供的平行于包装盒且向下的粘力f2＝40N，张力封签的自身张力
Figure PCTCN2016072911-appb-000003
将上述该卷烟软包装盒，配合使用BOPP薄膜、拉线，制作出一包完整的烟包。
实施例2
如图1～7所示，本实施例中一种U型框架可反复开启式密封卷烟软包装盒，它由密封层(8)包裹烟支组，烟支长度100mm，烟支圆周17.00mm，再用U型框架外包裹层(6)包裹后，用张力封签(7)粘连于两者之间而成。
该卷烟软包装盒经由以下方法制成：在聚乙烯PE薄膜上，依照模切线(3)和折痕线(4)所要求的位置，制作出密封层(8)备用。
在定量为105g/m2的铜版纸上，依照模切线(3)和折痕线(4)所要求的位置，制作出U型框架外包裹层(6)备用。
在定量为180g/m2的白卡纸上，依照模切线(3)所要求的位置，制作出张力封签(7)备用。
在粘接层一(1)、粘接层二(9)和粘接层三(10)上施加粘结剂，粘结剂剥离强度为120N/m；在低剥离强度粘结层一(2)和低剥离强度粘结层二(11)上施加粘结剂，粘结剂剥离强度为50N/m。
将密封层(8)包裹烟支组，再用U型框架外包裹层(6)包裹后，用张力封签(7)分别粘接于U型框架外包裹层(6)和密封层(8)上，并成“拱桥”状，并让张力封签(7)的受力情况满足数学模型：
Figure PCTCN2016072911-appb-000004
例如，粘结剂所提供的垂直于包装盒的粘力f1＝36N，粘结剂所提供的平行于包装盒且向下的粘力f2＝48N，张力封签的自身张力
Figure PCTCN2016072911-appb-000005
将上述该卷烟软包装盒，配合使用BOPP薄膜、拉线，制作出一包完整的烟包。
实施例3
如图1～7所示，本实施例中一种U型框架可反复开启式密封卷烟软包装盒，它由密封层(8)包裹烟支组，烟支长度74mm，烟支圆周24.20mm，再用U型框架外包裹层(6)包裹后，用张力封签(7)粘连于两者之间而成。
该卷烟软包装盒经由以下方法制成：在聚乙烯PE薄膜上，依照模切线(3)和折痕线(4)所要求的位置，制作出密封层(8)备用。
在定量为160g/m2的铜版纸上，依照模切线(3)和折痕线(4)所要求的位置，制作出U型框架外包裹层(6)备用。
在定量为215g/m2的白卡纸上，依照模切线(3)所要求的位置，制作出张力封签(7)备用。
在粘接层一(1)、粘接层二(9)和粘接层三(10)上施加粘结剂，粘结剂剥离强度为180N/m；在低剥离强度粘结层一(2)和低剥离强度粘结层二(11)上施加粘结剂，粘结剂剥离强度为100N/m。
将密封层(8)包裹烟支组，再用U型框架外包裹层(6)包裹后，用张力封签(7)分别粘接于U型框架外包裹层(6)和密封层(8)上，并成“拱桥”状，并让张力封签(7)的受力情况满足数学模型：
Figure PCTCN2016072911-appb-000006
例如，粘结剂所提供的垂直于包装盒的粘力f1＝45N，粘结剂所提供的平行于包装盒且向下的粘力f2＝60N，张力封签的自身张力
Figure PCTCN2016072911-appb-000007
将上述该卷烟软包装盒，配合使用BOPP薄膜、拉线，制作出一包完整的烟包。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何不经过创造性劳动想到的变化或替换，都应涵盖在本发明保护范围为准。

Claims (4)

  1. 一种可反复开启式密封卷烟软包装盒，其特征在于：包括U型框架外包裹层、张力封签和密封层，所述U型框架外包裹层上设有折痕线、粘结层一和低剥离强度粘结层一，所述U型框架外包裹层根据折痕线进行折叠、并通过粘结层粘接为一方形结构，所述密封层上设有粘结层二和开启拉片，所述密封层通过粘结层二粘接于U型框架外包裹层的内部、且完全覆盖粘接后的U型框架外包裹层的开口，所述张力封签上设有粘结层三和低剥离强度粘结层二，所述粘结层三和低剥离强度粘结层二分别与U型框架外包裹层外表面的粘结层一和低剥离强度粘结层一粘接。
  2. 一种如权利要求1所述的可反复开启式密封卷烟软包装盒的制备方法，其特征在于：包括以下步骤：
    1)分别施加粘结剂于密封层、U型框架外包裹层和张力封签上；
    2)使用密封层包裹烟支组；
    3)使用U型框架外包裹层包裹住密封层；
    4)将张力封签分别粘接于U型框架外包裹层和密封层上；
    5)配合使用BOPP薄膜、拉线，制作出一包完整的烟包。
  3. 如权利要求2所述的可反复开启式密封卷烟软包装盒的制备方法，其特征在于：所述密封层采用无嗅、无毒、化学稳定性好、吸水性小的材质。
  4. 如权利要求2所述的可反复开启式密封卷烟软包装盒的制备方法，其特征在于：所述张力封签的受力满足如下数学模型要求：
    Figure PCTCN2016072911-appb-100001
    其中，F为张力封签的自身张力，f1为粘结剂所提供的垂直于包装盒的 粘力，f2为粘结剂所提供的平行于包装盒且向下的粘力。
PCT/CN2016/072911 2015-06-26 2016-01-30 一种可反复开启式密封卷烟软包装盒及其制备方法 WO2016206379A1 (zh)

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