CN1675106A - 一种可分开的硬纸板箱壁 - Google Patents

一种可分开的硬纸板箱壁 Download PDF

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CN1675106A
CN1675106A CNA038194414A CN03819441A CN1675106A CN 1675106 A CN1675106 A CN 1675106A CN A038194414 A CNA038194414 A CN A038194414A CN 03819441 A CN03819441 A CN 03819441A CN 1675106 A CN1675106 A CN 1675106A
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CN100436272C (zh
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A·巴特斯
J·R·奥利夫
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WestRock Packaging Systems LLC
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Abstract

一种可分开的硬纸板箱壁，包括由一对沿接缝(58)连接的面板(50，52)形成的组合壁，和在组合壁上延伸穿过的易分离线，其横向于接缝，形成了分开线。一段横向于接缝的易分离线是薄弱部分。薄弱部分分别由面板(50，52)上的终端切割线(70，72)形成，其中面板可重叠形成接缝。切割线(70，72)分别设置在面板的边沿(54，56)附近。

Description

一种可分开的硬纸板箱壁
技术领域
本发明涉及硬纸板箱，具体地，涉及一种硬纸板箱，其上的壁可沿易分离线分开，易分离线横向于面板的连接缝。
背景技术
由柔韧的材料，如纸板，制成的硬纸板箱通常要求一个硬纸板壁可部分或全部分开，以便能够部分或完全接近硬纸板箱的内部。接近往往是为了取出或放入物品，比如饮料罐或饮料瓶。一般地，硬纸板箱沿易分离区或线分开，比如孔线或可撕开的封口。一种带有一部分可分开的硬纸板箱壁的硬纸板箱的示例可参考美国专利No.5,518,111。
为了有效地包装物品，硬纸板箱一般具有某种类型的结构，其形成部分或全部封闭结构。例如，美国专利No.5,518,111的硬纸板箱的四边形筒状结构。硬纸板箱一般是从称作坯料的平面片材安装而成。为了形成封闭的硬纸板箱结构，一般需要以某种形式将坯料的某些区域连接起来。硬纸板箱面板的端部一般用粘接剂如胶水连接起来。面板端部的重叠处一般形成接缝。
通常希望硬纸板箱面板在越过面板连接处的位置可分开。通常撕开越过面板接缝的位置要比撕开无连接处的硬纸板箱壁困难。因为接缝处是多层的，接缝基本上是加强区域，而且使用粘接剂通常增加了抗撕裂的能力。因接缝的抗剪切能力高，硬纸板箱壁可出现逐层分离，即一层层分开，或出现以不希望方式下陷的部分。
发明内容
根据本发明的优选实施例，一种易分离线通过带有接缝的硬纸板箱壁延伸，形成了可分开线。薄弱的易分离线沿预先确定的横向于接缝的部分延伸。预先确定的部分最好通过使易分离线两侧的面板区域不连接而令预定部分薄弱。最好通过预先确定部分形成切割线来实现不连接。
根据本发明的优选实施例的另一方面，预定的薄弱区是弧形。
根据本发明的优选实施例的另一方面，在各面板重叠形成接缝的部分，易分离线终止于弧形的薄弱区。当接缝形成时，一弧形区设置成与另一个弧形区基本对准。
根据本发明的另一实施例，当接缝形成时，弧形区至少互相稍微偏移。
根据本发明的又一实施例，面板的薄弱区的终端易分离地连接到位于该面板边沿附近的面板。连接最好通过切口片。
从下面的介绍、附图和权利要求，可了解本发明的其他优点和目的。
附图说明
现在将仅通过示例方式，并参考附图对本发明的示例性实施例进行介绍，附图中：
图1是根据本发明优选实施例的具有多个壁的硬纸板箱透视图；
图2是图1硬纸板箱的透视图，其中沿也用作分开线的易分离线铰接到硬纸板箱的槽形件已经翻下来；
图3是图2的槽形件的透视图，其中槽形件处于相对硬纸板箱其余部分取下的状态；
图4是图3的槽形件的正视图；
图5是形成图1硬纸板箱的坯料的平面图；和
图6是图5坯料一部分的放大平面图。
具体实施方式
在全部附图中，相同的标记用来表示本发明的相同或相近似的特征部分。
首先参考图1，其显示了根据本发明的具有多个硬纸板箱壁的硬纸板箱10。为了介绍本发明，显示了细长的筒状硬纸板箱10。但是，本发明并不限于任何特定的硬纸板箱形状或结构。
硬纸板箱10具有端部区，其终止于由沿接缝58重叠的面板形成的组合壁。接缝58是面板边沿54和56之间的重叠部分。在安装成的硬纸板箱的图中，一个面板边沿54或56用虚线显示出是被遮挡的。为了便于了解，先对硬纸板箱10的结构进行讨论。为此，同时参考图1和图5。图5是形成图1的硬纸板箱的坯料12的视图。坯料12显示出其内表面。即硬纸板箱10是通过从该附图所在平面向外折叠坯料12形成。
利用图1硬纸板箱所在位置作为参考点，顶面板20、侧面板22，26，和底壁面板24，28互相连接形成硬纸板箱10基本的筒状结构。把手21在顶面板20上形成。硬纸板箱的端部结构用硬纸板箱领域一般称为主片和次片的片状件形成。
在本文的讨论中术语“片状件”和“面板”将交换使用。次片34，36，38提供了硬纸板箱10端部的内封闭。为了便于理解，主片用左和右的上下部分来介绍。这样的定位可帮助理解本发明，但不能用于限制本发明。右边的主片(从面对显示安装好的硬纸板箱的页面的位置看去)具有下部40和上部50。同样地，左边的主片有下部42，和上部52。实现硬纸板箱的端部封闭是通过将主片40/50，42/52的端部区以重叠的方式互相固定。重叠的端部区形成主片的边沿54，56之间的接缝58(如上面提到的)。
在图示的硬纸板箱，易分离线60，62延伸穿过各个主面板40/50，42/52，进入硬纸板箱的另外部分。完全延伸的易分离线形成了可与硬纸板箱10分开的槽形件100。槽形件100将在本说明的后面介绍。易分离线60，62用作分界线，区分开主片的下部40，42和上部50，52。
易分离线60，62可以是任何有助于使线两侧的面板部分分开的薄弱线，本发明的易分离线包括但不限于孔线，可撕开的封口带、折叠线和由切口断续连接成的切割线。在硬纸板箱制造领域，“切口片”一般是指连接材料分离部分的互相连接条(或类似的小部分)。
延伸穿过各主端片40/50，42/52的易分离线60，62的重合形成延伸穿过硬纸板箱端壁的易分离线。延伸穿过主片的各易分离线段终止于各主片40/50，42/52的边沿54，56。延伸越过接缝(即，主片的重叠或可重叠部分)的各段易分离线是薄弱的。即比易分离线的其他部分更薄弱，以便更容易地分开。薄弱部分70，72位于主片的边沿附近。薄弱区可通过更深的刻痕或更加分开的断续孔线来实现。在本发明的优选实施例的一个方面，薄弱区通过切割线来实现。
在优选实施例的又一方面，各薄弱线段70，72包括线段70，72附近的与片边沿54，56相交的切口片80，82，尤其是使用切割线时。切口片在装配坯料12成为硬纸板箱10的过程中可帮助稳定主片的边沿区。
易分离线60，62可使得位于线两侧的硬纸板箱壁部分互相分开。易分离线还形成了铰接线，可使附近的面板部分相对另外的部分作枢轴转动。现在参考图2，其中易分离线用作主片的上部50，52和下部40，42之间的铰接线64。铰接部分其后可通过沿铰接/易分离线撕开互相分开。易分离线的薄弱线段70，72有助于减少或消除在接缝58形成的硬纸板箱加强区的作用。沿薄弱线段70，72的硬纸板箱材料不会阻挡撕开或弯曲。最多只有连接主片的粘接剂如胶水具有这样的作用。
根据本发明的优选实施例的另一方面，薄弱线段70，72是弧形。弧形线段有助于更容易地分开面板部分，并减少面板在接缝58处的分层的倾向。弧形线段的曲率造成初始施加撕开或剪应力的线段和施加应力的接缝58的区域之间偏移。如图2所示，在端壁的上部和下部沿易分离线形成的铰接线枢轴转动成不在同一平面的情况下，曲率形成的偏移使相对的面板部分在薄弱线或切割线的两侧互相完全分开。因此越过接缝58的壁或面板部分在接头处不连接。一旦接缝处的问题解决，沿易分离线撕开很容易进行。弧形线段的曲率还导致在线段的一侧形成突出部90，92，和在相对侧形成槽口。因为面板重叠，所以突出部是增强的。因此，如图2所示，在形成的硬纸板箱形成了直立件，有助于使沿接缝58的壁/面板部分容易分离。
当主片的边沿区重叠和互相连接，线段设置成互相基本平齐。尽管根据本发明的优选实施例的另一方面，线段70，72是基本平齐的，但在弧形线段之间该平齐有少量偏移。当一个弧形段72的曲率大于另一弧形段70的曲率时可实现这种偏移。线段70，72的弯曲程度的差别可从图6所示的坯料12部分的放大图和图3，4的槽形件(其将在下面更详细地介绍)清楚看出。从图2的这些特征的放大图中可看到突出部90，92的尺寸差别。当弧形部分和突出部存在偏移时，下部和上部壁部分可更容易地分开，尤其是在进行枢轴转动时。因为突出部和槽口之间形成间隙，在优选实施例中，位于接缝58内层的片52的弧形部分72要比位于外层的片50的弧形部分70大些，以提供必要的间隙。
本发明非常有用的地方在于提供了铰接线64，可在后面用作硬纸板箱10的端部形成的槽形件100的分开线。图1和图2显示了这种方式，其中易分离线内接槽形件，槽形件可向下枢轴转动，用作物品比如食品罐5的容器。可枢轴转动的槽形件可通过沿铰接线/分开线和接缝58无阻挡地撕开，取下作枢轴转动的槽形件。取下的槽形件在图3和图4中显示。这些图还显示了上面讨论的弧形线部分70，72的偏移。
本发明提供了一种机构，可容易地使硬纸板箱面板沿接缝分离，同时保持硬纸板箱形成过程的整体性。本发明主要使加强区(由接缝形成)形成偏移的分开线(易分离线)。因为本发明的这些特征，硬纸板箱壁在预定区域分开可在以传统方式形成的硬纸板箱上实现，其中该硬纸板箱带有位于可实现其功能的位置的接缝。本发明使得分离机构不会被设置的硬纸板箱接缝阻挡。如上所示，本发明非常适合于分开线作为分开前的铰接线的情况，通过这种方式，加强的接缝甚至可独立于分开线。
所使用的方位词如顶、底、侧面、端面、纵向和横向是出于方便和基于本发明的优选实施例中的参考点，不能用来限制本发明的范围。在不脱离权利要求限定的本发明的范围和精神的情况下，可进一步作出改进。

Claims (14)

1.一种可分开的硬纸板箱壁，包括：
组合壁，由一对沿接缝连接的面板形成，和
易分离线，在所述组合壁上延伸穿过，其横向于所述接缝，形成了可分开的线；
其中，一段横向于接缝的易分离线是薄弱部分；和
所述薄弱部分分别由在所述面板上的终端切割线形成，其中所述面板可重叠形成接缝，所述切割线分别位于所述面板的边沿附近。
2.根据权利要求1所述的硬纸板箱壁，其特征在于，所述切割线设置成互相偏移以形成所述薄弱部分。
3.根据权利要求2所述的硬纸板箱壁，其特征在于，所述各切割线是弧形的，相对所述接缝的外面板上的所述切割线具有第一半径，稍小于内面板上的所述切割线的第二半径。
4.根据权利要求2所述的硬纸板箱壁，其特征在于，所述各切割线包括接近所述各面板的边沿的刻痕。
5.一种硬纸板箱，包括：
顶壁、底壁和一对侧壁，可互相连接形成基本为筒状的结构，其具有至少一个端部区，其终止于带有接缝的组合端壁，所述组合壁由一对沿接缝连接到一起的面板形成；和
由部分端部区形成的可分开的槽，所述端部区沿横向于接缝的易分离线可铰接转动和可分开地连接到所述端壁；
其中，横向于所述接缝的一段易分离线是薄弱部分；和
所述薄弱部分由分别在所述面板上形成的末端切割线形成，所述面板可重叠形成所述接缝，所述切割线设置在各所述面板的边沿的附近。
6.根据权利要求5所述的硬纸板箱，其特征在于，所述切割线设置成互相偏移以形成所述薄弱部分。
7.根据权利要求6所述的硬纸板箱，其特征在于，所述各切割线是弧形的，相对所述接缝的外面板上的所述切割线具有第一半径，稍小于内面板上的所述切割线的第二半径。
8.根据权利要求6所述的硬纸板箱，其特征在于，所述各切割线包括接近所述各面板的边沿的刻痕。
9.根据权利要求5所述的硬纸板箱，其特征在于，所述槽形件在顶壁的一部分、端壁的一部分和侧壁的一部分上形成，所述槽形件可分开地连接到所述顶壁和侧壁。
10.根据权利要求9所述的硬纸板箱，其特征在于，所述易分离线穿过所述端壁并延伸到所述侧壁，使所述槽形件可分开地连接到所述侧壁。
11.根据权利要求10所述的硬纸板箱，其特征在于，所述易分离线延伸到所述顶壁，使所述易分离线延伸穿过所述顶壁。
12.一种坯料，用于形成装配成的带有可分开的硬纸板箱壁的硬纸板箱，所述坯料包括：
一对面板，可形成沿装配的硬纸板箱的接缝连接的组合壁；和
易分离线，在各所述面板上延伸穿过，所述易分离线设置成当装配所述硬纸板箱时形成一段可分开的线，所述可分开的线在所述组合的壁上延伸穿过，并横向于所述装配的硬纸板箱的接缝；
其中，各个所述面板的边沿附近的一段易分离线包括切割线，所述切割线共同形成横向于所述装配的硬纸板箱的接缝的所述分开线的薄弱部分。
13.根据权利要求12所述的坯料，其特征在于，一个所述面板上的所述切割线具有第一半径，其稍小于另一面板上的切割线的第二半径。
14.根据权利要求12所述的坯料，其特征在于，各所述切割线包括切口片，其靠近各所述面板的边沿。
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CN103108573A (zh) * 2010-09-25 2013-05-15 米德韦斯瓦科公司 带有开启区的产品分配容器、系统和方法
CN103108573B (zh) * 2010-09-25 2015-07-22 米德韦斯瓦科公司 带有开启区的产品分配容器、系统和方法

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CA2489867C (en) 2008-08-19
JP2006501107A (ja) 2006-01-12
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MXPA04012765A (es) 2005-03-23
US7331509B2 (en) 2008-02-19
US20050269389A1 (en) 2005-12-08
US20030234285A1 (en) 2003-12-25
BR0312143A (pt) 2005-04-05
CA2489867A1 (en) 2003-12-31
CZ20041208A3 (cs) 2006-03-15
AU2003238252A1 (en) 2004-01-06
WO2004000665A1 (en) 2003-12-31
AU2003238252B2 (en) 2009-01-29

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