CN105540059A - 具有加压开放的非熔接线的双重袋 - Google Patents

具有加压开放的非熔接线的双重袋 Download PDF

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CN105540059A
CN105540059A CN201510701194.2A CN201510701194A CN105540059A CN 105540059 A CN105540059 A CN 105540059A CN 201510701194 A CN201510701194 A CN 201510701194A CN 105540059 A CN105540059 A CN 105540059A
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朴汉郁
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Abstract

本发明涉及一种具有加压开放的非熔接线的双重袋,其中形成分为两个区域的第一容室和第二容室边界的密封线,其特定部位被施加一定程度的压力就会被打通,所述双重袋外轮廓被外部密封线(2)密封,还在被内部密封线(4)分开的第一容室(6)和第二容室(8)的任何一个上边或者下边配置有以非熔接状态粘贴的由凹凸截面构成的加压开放部(10),而且在所述内部密封线(4)的中心从下边形成切割线(16)至靠近所述加压开放部(10)的位置,该切割线(16)定义了第一容室(6)和第二容室(8)可分离的范围,将所述第一容室(6)和第二容室(8)分离后,再卷取任何一个容室或者夹在专用挤压机(20)推挤出内装物,藉以能够简单容易地打通所述加压开放部(10)。

Description

具有加压开放的非熔接线的双重袋
技术领域
本发明涉及一种具有可分装两种物质的两个容室的双重袋,特别涉及一种具有加压开放的非熔接线的双重袋,可在开封之前混合分装的两种物质。
背景技术
将两张薄膜热压而形成有与外部隔离的容室的袋子具有优秀的防水性和气密性,同时可易于加工成一定形状,因此主要用于液态的洗涤剂、化妆水、药剂、饮料等的包装。
通常,袋子(pouch)是用于装入单一成分的液体、粉末、固体等的,但是以下专利文献1中公开了一种双重储存袋,将不同成分的液体或者液体与粉末分装于一个袋子内,当使用时通过挤压分开的某一容室使两个容室之间贯通,从而可在开封之前混合分装的两种物质。
已公开的双重储存袋,其两个容室之间被密封线分开,所述密封线为锯齿形状。当从外部挤压某一容室时,压力会集中于锯齿形状密封线的顶点,致使该部分裂开,从而使两个容室贯通。这种袋子对于染发剂、氧化剂等略带粘性、使用前必须分装的液体的包装非常有效。
所述双重储存袋的发明中描述,当用手挤压袋子时,分开两个容室的边界就会被打通,然而实际上要想打通顶点附近得用相当大的力量挤压。换句话说,挤压容室而产生的压力并不会集中于哪一个点,而是均匀分散到整个容室内部,因此即便成人使劲挤压,施加到锯齿形状密封线顶点处的局部压力还是不够大,不易使两个容室贯通。
为了解决上述现有技术中存在的问题,本发明人曾在以下专利文献2中提出了一种双重袋,其在成为两个容室边界的密封线上形成一个或更多的具有顶点的三角形小空间,使所述密封线的特定部位比其他部分具有较弱的粘合强度(adhesivestrength)。
本发明人提出的双重袋是形成有脆弱部的结构,由于密封线在特定部位上密封面积明显变窄,所述脆弱部的粘合强度弱于相邻部分,然而即使形成如上所述的脆弱部,要想打通也得用相当大的力量挤压,还是无法解决现有技术中的问题。
本发明人曾在以下专利文献3中提出一种双重袋,以解决上述的双重袋中存在的问题。
专利文献3中提出的双重袋在分开两个容室的内部密封线中间设置由具有两个非熔接线的非密封部组成的加压开放部,以使两个容室隔着两个非熔接线和非密封部分开,通过挤压一侧容室而产生的压力依次打通非熔接线和非密封部,以使两个容室贯通,设于非密封部前后的两个非熔接线,在保存双重袋的期间内,确保两个容室之间被隔离。
然而,对于上述的双重袋,若两个非熔接线规格设定得过窄,则使用时还得使劲挤压容室才能打通,若两个非熔接线规格设定得过宽,则在保存时两个容室之间会发生泄漏,进而导致内装物变质等问题,因此不易设定所述非熔接线的规格。
专利文献1:美国公开专利公报第2004/0079763号,图1
专利文献2:韩国实用新型专利申请第20-04562980000号,图1
专利文献3:韩国发明专利第10-012267390000号,图1
发明内容
技术问题
本发明的目的在于提供一种具有加压开放的非熔接线的双重袋,可将不同成分的物质装入分开形成的两个容室中,并且设置在所述两个容室之间的加压开放部被强力粘贴以避免发生泄漏,而所述加压开放部用较小的力量也能打通,使用起来简单方便。
技术方案
为了达到上述的目的,本发明的双重袋其外轮廓沿着外部密封线被密封,而且被内部密封线分为第一容室和第二容室,在所述第一容室和第二容室的上边或者下边之间设置由非熔接状态的凹凸截面构成的加压开放部,又在所述内部密封线的中心从下边延伸形成切割线至靠近所述加压开放部的位置,藉以分离所述第一容室和第二容室,通过卷取某一侧容室来打通所述加压开放部。
本发明中涉及的双重袋,其中在所述加压开放部的中心还可以具有窄通道,以调节所述加压开放部的凹凸截面的粘贴力。
本发明中涉及的双重袋,其中在所述第一容室和加压开放部及第二容室之间还可以分别具有第一缓冲部和第二缓冲部,以缓冲从外部施加的强压力。
本发明中涉及的双重袋,其中所述第一容室或者第二容室的内装物优选填充至容室空间的50%~60%范围。
有利效果
本发明中涉及的双重袋适合分装使用之前需要分装的两种物质。
本发明中涉及的双重袋,其中第一容室和第二容室之间的加压开放部由于以非熔接状态粘贴的凹凸截面而具有强大的粘贴力,因此在搬运或者保存时,即便袋子上下层叠而产生的静载荷施加到下侧袋子,加压开放部也不会被打通,所以不会产生因为泄露内装物变质的不良产品。
本发明中涉及的双重袋,其中加压开放部的凹凸截面不仅因所述的粘贴力提高而具有泄露防止效果,而且具有用手揉搓加压开放部使其松脱而产生面分离时防滑的效果。
本发明中涉及的双重袋,其中两个容室可以在内部密封线的切割线允许的范围内被分离,通过将被分离的某一侧容室从底端开始卷取可以打通加压开放部,从而可以在开封之前简单容易地混合内装物。
本发明中涉及的双重袋,其中加压开放部的窄通道由于粘贴面平坦,所以相对于周围的凹凸截面粘贴力较弱,因此利用该特性可以将加压开放部的粘贴力调节为稍弱一点。
另外,本发明中涉及的双重袋,其中所述第一缓冲部和第二缓冲部作为衰减空间,在第一容室或者第二容室受压内部压力无意间剧增时,可以将压力调节为低于所述加压开放部被打通的压力,以防所述加压开放部突然被打通。
对于本发明中涉及的双重袋,若将装入所述第一容室和第二容室的液态物质填充至可装体积的50%~60%,则在分离两个容室后卷取某一侧容室打通加压开放部时,能够使经过加压开放部的内装物的流动变得顺利,从而容易混合内装物。
附图说明
图1是本发明的涉及双重袋的一实施例的结构示意图。
图2作为沿图1中Ⅲ-Ⅲ线的剖视图,是示出加压开放部结构的局部放大图。
图3是示出本发明的双重袋中加压开放部的变形例的局部放大图。
图4是示出本发明的双重袋中分装有两种液体的状态的立体图。
图5是示出本发明的双重袋的内装物混合过程的使用状态图。
图6示出可制造本发明的双重袋的制造方法的示例。
具体实施方式
下面,根据附图及优选实施例详细说明本发明。
如图1所示,本发明中涉及的双重袋由热封合边缘的外部密封线2形成外轮廓的方式被密封,而且通过形成大致横贯中间部的内部密封线4,所述双重袋具有分开的第一容室6和第二容室8。
如此分成的两个部分即第一容室6和第二容室8中分装不同成分的液态物质,具体分装使用前不应混合的染发剂和氧化剂等两种液态物质或者彼此混合就会变质的液体维生素等两种液态物质,抑或一侧装入粉末而相反侧装入液体或者一侧装入无纺布口罩等固体而相反侧装入洗面用美容液等液体,所述第一容室6和第二容室8之间经加压开放部10连通。
另外,加压开放部10的两侧可设置属于第一容室6的第一缓冲部12和属于第二容室8的第二缓冲部14,所述第一缓冲部12和第二缓冲部14不是必备的。
而且,所述内部密封线4的中心形成有切割线16延伸至靠近加压开放部10的位置,由此可分离第一容室6和第二容室8之间的一定部分。
在本发明中,不同于通过模具熔接的外部密封线2及内部密封线4,所述加压开放部10和两个缓冲部12、14是两张薄膜对接以非熔接状态粘贴的。
尤其,具体如图2所示,所述加压开放部10设置成通过模具按压时两张薄膜以凹凸截面形状对接,使得彼此接触的面积变得足够宽,从而强力粘贴在一起。
而且,加压开放部10优选配置在所述第一容室6和第二容室8中任何一个上边或下边,由于这种配置关系,所述第一容室6和第二容室8与加压开放部10沿正交方向连接。
加压开放部10是通过由第一容室6和第二容室8中任何一个施加的压力被打通,但如果是图1所示形式的袋子,则将储存在第二容室8的液体压送到第一容室6进行混合的方式更加方便。
加压开放部10具有凹凸截面,所以具有足够的粘合强度,需要施加相当大的压力才能打通,因此用起来也会不方便,但是在使用之前揉搓所述加压开放部10的外表面使所述凹凸截面之间成为松脱状态,再对第二容室8施加压力就可以在较小的压力下也容易被打通。
图3示出关于所述加压开放部10的变形例,该示例所示为加压开放部10的中心形成有窄通道18的结构。
在本发明中,所述窄通道18是由非熔接状态的平坦地对接的面组成的,从外部揉搓加压开放部10或者容室的内部压力施加于加压开放部10时,所述窄通道18先于粘贴力强的凹凸截面分离,使得加压开放部10松脱而在较小的压力下也被打通。这样的窄通道18也可以适用于需要将所述加压开放部10的粘贴力调节为略低的情形。
对于本发明中涉及的双重袋,如图4所示,第一容室6和第二容室8中分装不同液态物质时,考虑到将一侧内装物全都压送到相反侧进行混合的过程中体积会增大,两个容室6、8的装填量最好限制在容室空间的50%~60%范围。
对于本发明中涉及的双重袋,在以捆绑包装状态的保存或者搬运的过程中,由于袋子以上下方向层叠,上方重量加起来下压的静载荷多半施加于下侧袋子。但是,因所述静载荷而增加的压力被第一缓冲部12或第二缓冲部14吸收并减弱,可以避免在运输或保存的过程中加压开放部10无意间被打通,从而可将两种物质安全地以分装状态保存到使用为止。
对于本发明所涉及的双重袋,若要打通加压开放部10,先用手指揉搓加压开放部10的外部使接触的面分离,再沿着内部密封线4的切割线16分离两个容室6、8后,如图5所卷取第二容室8。
当卷取第二容室8时,内装液态物质经第二缓冲部14开始集中于加压开放部10,而且向加压开放部10施加的内装物的压力会逐渐增大。如此增大的内部压力达到某种程度时,加压开放部10就会被打通,第二容室8的内装物压送至第一容室6两种内装物开始混合。
此外,代替第二容室8卷取第一容室6也同样发挥打通作用及进行混合,只是流向不同而已。
如上所述,可卷取某一容室的结构,能够容易将内部压力增大至某一程度,因此对于轻易打通加压开放部10最适合。
第一容室6和第二容室8中分装的内装物混合示例不限于如上所述的卷取某一容室,还可以夹在专用挤压机20推挤出或卷起以使内装物被压送,这同样能够通过加压开放部10使两种内装物混合。
具有上述结构的本发明的双重袋可通过图6所示的制造工艺获得。
在图6中,为了成型为袋子,相互叠加地予以供应的两张薄膜F1、F2,在输送途中通过一次模具M1的冲压,底端方向和垂直方向的外部密封线2和内部密封线4被加热器加热熔化受压熔接为一体。
接着,通过未图示的管口等连续地向内部注入两种内装物后,通过二次模具M2再次冲压而形成加压开放部10(具有第一缓冲部、第二缓冲部及窄通道时,也包括这些部分),同时成型为上方熔接密封的本发明的双重袋。
而且,所述二次模具M2中对应于加压开放部10(具有第一缓冲部、第二缓冲部及窄通道时,也包括这些部分)的部分没有加热器,所以通过此部分的所述加压开放部10(具有第一缓冲部、第二缓冲部及窄通道时,也包括这些部分)是以非加热状态被压接的,只是面与面之间以非熔接状态粘贴而已。
符号说明
2—外部密封线,4—内部密封线,6—第一容室,8—第二容室,10—加压开放部,12—第一缓冲部,14—第二缓冲部,16—切割线,18—窄通道,20—挤压机。

Claims (4)

1.一种具有加压开放的非熔接线的双重袋,其特征在于,
所述双重袋的外轮廓沿着外部密封线(2)被密封,所述双重袋包括:第一容室(6)和第二容室(8),所述第一容室(6)和第二容室(8)被内部密封线(4)分开;加压开放部(10),其在所述第一容室(6)和第二容室(8)的上边或下边之间以非熔接状态的凹凸截面粘贴配置;以及切割线(16),其在所述内部密封线4的中心从下边形成至靠近所述加压开放部10的位置,并且将所述第一容室(6)和第二容室(8)沿着切割线(16)分离后,卷取任何一个就能使所述加压开放部(10)打通。
2.根据权利要求1所述的双重袋,其特征在于,
所述加压开放部(10)的中心还形成有窄通道(18),藉以将所述加压开放部(10)的粘贴力调低。
3.根据权利要求1或2所述的双重袋,其特征在于,
所述第一容室(6)和加压开放部(10)及第二容室(8)之间还分别形成有第一缓冲部(12)和第二缓冲部(14),藉以减弱从外部施加的强压力。
4.根据权利要求1或2所述的双重袋,其特征在于,
所述第一容室(6)和第二容室(8)的内装物填充至容室空间的50%~60%范围。
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