CN101962104B - 改进的包装完整性指示封闭物 - Google Patents

改进的包装完整性指示封闭物 Download PDF

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CN101962104B
CN101962104B CN2009101604794A CN200910160479A CN101962104B CN 101962104 B CN101962104 B CN 101962104B CN 2009101604794 A CN2009101604794 A CN 2009101604794A CN 200910160479 A CN200910160479 A CN 200910160479A CN 101962104 B CN101962104 B CN 101962104B
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CN101962104A (zh
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D·莱真加
J·T·韦伯
S·W·赫菲尔
B·M·达维斯
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Sonoco Development Inc
Intercontinental Great Brands LLC
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Kraft Foods Global Brands LLC
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Abstract

本发明涉及改进的包装完整性指示封闭物，具体提供了一种用于容器的可重新密封的封闭物，包装完整性通过将封闭物连接到容器剩余部分的结构指示，在首次存取容器中的物品时必须破坏该结构。包装完整性特征的一种形式包括与封闭物相关联的结构，在首次打开封闭物时，该结构伸长且长度增加直到结构最终破坏，破坏的结构的残留端部的一个或两个从容器的剩余部向上折皱或弯曲。在一种替代形式中，结构与密封板条的拉片相关联，其包括封闭物，在将密封板条向后拉之前结构必须先被破坏，或者当首次向后拉密封板条时，在存取其中的物品前结构破坏。有利地，包装完整性特征与封闭物和容器的剩余部分整体形成。包装完整性通过目测可破坏结构是否完好来指示。

Description

改进的包装完整性指示封闭物
技术领域
本发明涉及一种用于存储物品的包装的可重新密封的封闭物，更具体地，所涉及的包装的可重新密封的封闭物具有包装完整性指示器。
背景技术
某些用于食品(例如，饼干及其他零食)的容器典型地包括外包装材料。在一种容器中，包装材料包围用作容纳食品并保护食品不被损坏的托盘的框架。其它食品被包装在塑料托盘(例如热成形托盘)中，这些塑料托盘的顶部由某种封盖材料密封。在食品容器封闭物技术领域中的一项最新的进步包括在美国专利No.6,918,532(在下文中称为“‘532专利”)中公开的可重新密封的封闭物，在此以引用方式将其并入本文，该专利公开了形成容器顶部的包装材料，该容器的顶部具有由可重新密封的密封板条覆盖的存取开口。
在该包装技术中，已经使用不同结构来指示包装是否已经被预先打开过或包装完整性是否已经破坏，所述结构在本领域中通常称作“拆封证据”或“包装完整性”。例如，在美国专利申请No.11/500,497(在下文中称为“‘497申请”)中公开了一种最新的指示包装完整性的封闭物，其显示了包括双层材料的封闭物，该双层材料具有形成容器顶部的内膜层和外膜层，在此以引用方式将该专利申请并入本文。外膜层具有覆盖一部分内膜层的密封板条，该内膜层与密封板条一起形成了开口。包装完整性特征(或称结构)包括内膜层的板条，该板条从密封板条上分离开以指示封闭物已经被预先打开了。
在食品容器技术领域中的一项最新的进步具有在美国专利申请No.11/693,751(在下文中称为“‘751申请”)中公开的包装完整性特征，在此以引用方式将其并入本文。‘751申请公开了具有包装完整性指示器可重新密封的封闭物，所述包装完整性指示器由当可重新密封的封闭物被第一次打开时出现破坏和/或产生可听见的声音的结构提供。包装完整性特征包括初始地附到包括可重新密封的密封件的两个部分的至少一个条带，使得在第一次打开可重新密封的封闭物上，至少一个条破坏由此指示包装之前被打开。包装完整性还通过活动板条或可移除的冲切突片部分提供，所述部分在封闭物的重新密封上是不重合的，由此指示包装之前被打开。
在非食品包装领域中，使用了不同方法来指示包装之前是否被打开或包装的完整性是否被破坏，包括美国专利No.6,589,622；No.6,767,604和No.4,679,693中公开的方法。美国专利No.6,589,622公开了显示拆封特征，其以具有一系列穿孔的标签片的形式形成了拆封指示片，使得当标签片从包装初始移除时，拆封指示片沿穿孔与标签片分离开以指示包装被打开。类似的，在美国专利No.6,767,604中，包装完整性通过具有拉片(或称拉拽突片)的标签指示，所述拉片具有拉片穿孔或将片分成拉部分和端部分的其他薄弱部分。美国专利No.4,679,693公开了以辅助拉片粘结地密封到包装顶部表面的主拉片，所述辅助拉片在打开容器之前从主拉片完全移除。
在本领域中需要可重新密封的容器(优选地适合于容纳食品)，其包括新的和改进的包装完整性指示器。
发明内容
本发明通常涉及一种用于容器的可重新密封的封闭物，其中包装完整性通过在能够存取容器中的物品之前必须被破坏的结构来指示。因此，完好的结构指示包装完整性，由此提供了包装之前没有被打开的指示。
本发明的包装完整性构造可将其自身用于指示包装完整性或其可补充751申请中公开的包装完整新构造。当与‘751申请的包装完整性构造一起使用时，本发明新的包装完整性构造进一步确保了封闭物在本发明的完整性构造没有被第一次破坏的情况下甚至不能首先部分被打开，并由此通过观察容器的外部可视。
本发明在一种形式中涉及包装完整性构造，其包括封闭物和与封闭物相关联的至少一个结构，其中封闭物覆盖了进入容器的开口，而所述至少一个结构将封闭物连接到容器的剩余部分。当第一次打开封闭物时，结构伸长且长度增加直到结构最终破坏，破坏的结构的残留端部的一个或两个从容器的剩余部分向上折皱或弯曲。在各可替换的进一步实施例中，结构可包括从封闭物的突片部分向容器的剩余部分延伸的条带。在另一个可替换的实施例中，具有与封闭物相关联的至少两个结构，分别在封闭物的突片部分的每侧。
有利地，结构与封闭物和容器的剩余部分整体地形成，封闭物为密封板条的形式，其中密封板条通过在剥开方向上向后拉而可从容器的剩余部分撕开，由此使与密封板条相关联的结构伸长并最终破坏该结构，从而能够存取内部的物品。密封板条可重新封闭容器的剩余部分，从而在密封板条运动回来抵靠在容器的剩余部分时密封开口。
本发明在另一种形式中涉及包装完整性构造，其包括与容器的可重新密封的封闭物的密封板条相关联的至少一个结构。该结构在一端与密封板条整体地形成并在另一端与容器的剩余部整体地形成。该结构构造成当密封板条从容器的剩余部分第一次向后拉时破坏密封板条和容器的剩余部分之间的连接，由此通过结构使密封板条脱离其到容器的附接。
在各进一步可替换的实施例中，可破坏的结构包括弯曲的条带，例如弧形形状或具有凹形区段和凸形区段的波状形状的条带；具有一个或多个变窄区段(接有一个或多个更宽更广的区段)的结构，由此该结构沿窄部分伸长且最终被破坏。
本发明在另一种形式中涉及容器的完整性指示封闭物，该封闭物包括至少双层材料，该双层材料包括粘结地结合到外部层上的内部层，并且两者一起形成了容器的顶部。内部层具有内部层板条，外部层具有密封板条。该板条完全覆盖内部层板条。至少一个条带从包括外部层并将密封板条连接到外部层的剩余部分的材料中整体地形成。内部层板条和密封板条永久地相互结合，以提供进入容器的存取开口。提供在密封板条周边上的可撕开的粘结剂将密封板条粘合到内部层。密封板条通过在剥开方向上向后拉密封板条而可从内部层撕开，而且密封板条可重新密封顶部，从而当密封板条运动回来抵靠在顶部上时密封所述开口。
有利地，在结构破坏之后，破坏的结构的残留端部的一个或两个从容器的顶部向上折皱或弯曲。
本发明在一种形式中涉及包装完整性构造，其包括与容器的可重新密封的封闭物的端部分相关联的结构。该结构可破坏地在结构一端上附接到的端部分并在结构第二端处永久地附接到容器的剩余部，其中可破坏的结构构造使得其可用手指从下面抓住并被破坏，由此破坏突片部分和容器的剩余部之间的连接，从而通过该结构使端部分脱离其到容器的附接。
在各进一步的具体形式中，结构包括在封闭物的突片部分(其包括封闭物的端部分)和容器邻近部分之间延伸的条带，该条带包括薄弱部分。而且有利地，该结构优选地从容器的顶部表面抬起，其允许用户能够用其手指从下面容易地抓住可破坏的结构。
本发明在其另一种形式中涉及包装完整性构造，其包括形成容器顶部的膜层，并具有限定存取开口以存取容器中物品的翼片。密封板条完全覆盖膜层的翼片。密封层包括具有永久地附到顶部的条带的拉片。拉片和条带限定了容器顶部和拉片及条带之间的间隙。在密封板条的一个或两个上或在膜层上提供的可撕开的粘结剂将密封板条粘结到膜层上。在条带将密封板条结合到被破坏的顶部的一部分之后，可通过在剥开方向上向后拉密封板条来将密封板条从膜层上撕开，并且密封板条可重新封闭顶部，从而当密封板条运动回来抵靠在顶部上时密封所述存取开口。
本发明在一种形式中涉及包装完整性指示构造，其包括与容器的可重新密封的封闭物的端部分相关联的结构。该结构的两个端部分非粘结连接到容器的邻近顶部表面。该结构可破坏地附接到端部分并永久地附接到容器的剩余部，其中该结构在可重新密封的封闭物和容器的剩余部之间必须被分离开，以此来打开可重新密封的封闭物。
本发明在另一种形式中涉及容器的完整性指示构造，其包括至少双层材料，该双层材料包括粘结地结合到第二膜层上的第一膜层，第一撕裂线形成在第一膜层中限定了第一层板条，用于当第一层板条沿第一撕裂线从第一膜层分离开时提供穿过第一膜层的存取开口。第二膜层具有第二层撕裂线以限定具有止于可破坏的结构的一端的密封板条。该密封板条完全覆盖第一层板条。第二膜层包括可撕开的粘结层用于将密封板条可撕开地粘结到第一膜层，其中只有在可破坏的结构被破坏之后，第二膜层才可被向后拉并从第一膜层分离开以暴露出存取开口以便能够存取其中的物品。置于容器中的食品可包括，但不限于，饼干、薄饼、花生、干酪、肉片和半固体食品。
从下面的本发明的当前优选实施例的详细说明中讲述或显见本发明的其他特征和优点。
附图说明
图1是根据本发明的包装的透视图，该包装包括在初始打开之前的示例性封闭物；
图2示出了图1的包装在局部打开状态中的图示；
图3是图1的封闭物在其被第一次打开之前的初始状态下从下面观察得到的局部平面图；
图4是图1的封闭物在初次打开和重新密封之后的局部平面图；
图5是根据本发明的另一包装的透视图，该另一包装包括已经被打开的封闭物；
图6是根据本发明的另一包装的透视图，其在局部打开状态中示出了包装完整性特征；
图7是根据本发明的另一包装的透视图，该另一包装包括没有被打开的封闭物；
图8示出了在局部打开状态中的图7的包装；
图9是图7的封闭物在其被第一次打开之前的初始状态下从下面观察得到的局部平面图；
图10是图7的封闭物在包装之前被打开并重新密封之后的局部平面图；
图11是根据本发明的另一包装在初次打开之前的透视图；
图12是另一包装的透视图，该另一包装包括在初始未打开状态中示出的包装完整性特征；
图13a示出了图12的包装在局部打开状态中的图示；
图13b示出了图12的包装在被打开并重新密封之后的图示；
图14示出了根据本发明的另一包装，在初始未打开状态中示出了包装完整性特征；
图15a示出了图14的包装在局部打开状态中的图示；
图15b示出了图14的包装在被打开并重新密封之后的图示；
图16是根据本发明的另一包装在初始未打开状态中的透视图；
图17示出了图16的包装在局部打开状态中的图示；
图18是根据本发明的另一包装在初次打开之前的透视图；
图19a示出了图18的包装在第一局部打开状态中的图示；
图19b示出了图18的包装在进一步局部打开状态中的图示；
图20是图18的封闭物在其被第一次打开之前的初始状态下从下面观察得到的局部平面图；
图21a是图18的封闭物刚好在呈可破坏结构形式的包装完整性特征被破坏之后的局部平面图；
图21b是图18的封闭物在初次打开和重新密封之后的局部平面图；
图22是根据本发明的另一包装的透视图，该另一包装包括已经被打开的封闭物；
图23是根据本发明的另一包装的透视图，其在局部打开状态中示出了包装完整性特征；
图24是图23的封闭物在初次打开和重新密封之后的局部平面图；以及
图25是根据本发明的另一包装在初次打开之前的透视图。
具体实施方式
本发明的包装完整性特征在一种形式中为‘751申请中所示的包装的改进，为了简便其更详细的描述见‘751申请。本发明新的包装完整性特征可用于补充‘751申请的包装完整性特征，如图1-10和12-24所示，或者如图11和25单独所示。
参见附图，特别是图1-4，示出了带有封闭物11的包装10，其结合了包装完整性特征。包装10包括双层包装材料，该包装材料包括形成顶面或上表面14、侧面16、底面(未示出)和皱纹端部18、19的第一内部膜层12和第二外部膜层13。内部膜层12和外部膜层13是由聚合膜或者其它柔性材料形成的，切削、折叠或压制该膜材料以限定用于容纳所期望放置到包装10内部的产品(诸如食品)的内部空间或容器。包装10可用于存储并分配食品(例如饼干、薄饼、糖果或其他物品)。外部膜层13可以包括图像或其他标记以标识包装10中的物品。
有利地，内部膜层12共同延伸地形成且粘合地结合在外部膜层13上。在制造包装10期间，通过撕裂线20在内部膜层12的侧面上冲切内部膜层12，该撕裂线20包括图1中的所有虚线。通过第二撕裂线21在外部膜层13的侧面上冲切外部膜层13。在美国专利申请No.2005/0276525中公开了撕裂线20、21的产生，在此结合作为参考。
撕裂线20形成为连续的撕裂线，以限定内部板条22。撕裂线20还限定条带52。撕裂线21限定外部膜层13的密封板条26和包装完整性结构40。有利地，包装10包括一对包装完整性结构40，其分别在拉片30的相对侧。优选的是具有偶数个结构40，其在密封板条26的相对侧具有相等的数量。尽管图中显示了两个结构40，但是当第一次打开封闭物11时任意偶数都是优选的，如下所述。
密封板条26延伸过撕裂线20的周边，使得密封板条26完全覆盖并延伸过内部板条22和条带52的周边。结果，密封板条26完全覆盖内部板条22和条带52。
本发明的包装完整性结构40包括弯曲伸长部分，其在40a从密封板条26的剩余部分延伸并止于由冲切21限定的平行的“U”字形状的结构端部40e，其有助于确保外部膜层13不会在端部40e附近撕裂并确保当使用者第一次打开包装10、封闭物11时端部40e将保持永久并整体地从外部膜层13分离。结构40与密封板条26整体地形成，并且因为冲切21从外部膜层13形成结构40，所以结构40为外部膜层13的剩余部。
外部膜层13粘结地结合到内部膜层12。内部板条22可从内部膜层12的剩余部上分离开，以暴露出开口24，由此可存取包装10中的物品58。当如‘751申请中所示内部板条22被拉出时，结构40将由于包括外部膜层13的材料的弹性而初次伸长。当结构40伸长时，它们的长度将增加且它们的宽度将变窄。最终，结构40将伸长超过它们的极限并突然断裂或破坏，形成互补的破坏的端部40c，并且限定产生的破坏结构部分40b、40d。由于外部膜层13的材料，产生的结构40b、40d将具有随机或可变的形状和形式。而且，结构40在沿结构40长度的任意部分可破坏；然而典型地，结构将在密封板条26和顶部14的剩余部分之间(即端部40a和端部40e之间)的中间附近的某些位置破坏。不管在沿结构40长度何处发生破坏，产生的部分40b、40d将从包装10的剩余部向上折皱和/或弯曲(图2)。
在片30的每侧具有相等数量的结构40的益处在于确保当第一次向后拉密封板条26破坏结构40时，均匀、近似平衡的力可应用到密封板条26。如果在片30的每侧具有不等数量的结构40，更多的力将应用到具有更多结构40的侧。
而且，当如‘751申请中所示内部板条22被拉出时，条带52如图2所示将破坏。条带52整体地形成并保持附接到内部膜层12的剩余部分，所述内部膜层12分别在条带部分50a包括顶部14。端部分52d保持整体地附接到第一板条22，端部分52b保持整体地附接到内部膜层12。条带52具有由条带在部分52c的宽度变窄限定的薄弱部分。有利地，撕裂线20的冲切形成平行的“U”字形状的条带端部52e，其有助于确保条带52将不会在端部52e撕裂并将保持整体地结合到内部板条22且允许条带52在薄弱变窄的条带部分52破坏。
密封板条26面对内部膜层12的侧面上涂覆有可撕开的粘结剂28(见图2)，使得密封板条在邻近内部板条22的部分的可重新密封地固定到内部膜层12。密封板条26包括片30或不涂覆粘结剂28的其他平行特征，使得密封板条26可从内部膜层12向后剥开以打开包装10。
可替换地，或与可撕开的粘结剂28一起，可撕开的粘结剂可沿内部板条22的外部周边涂覆在内部膜层12上。可撕开的粘结剂可是允许重新密封的任意压敏粘结剂，并且包括，但不限于，在美国专利No.7,350,688中公开的粘结剂，在此结合作为参考。
现在具体参见图1，包装10通过第一次抓住片30(其允许第一次向后拉密封板条26)打开，导致结构40和52伸长。结构端部40a和条带部分52a保持分别整体地附接到外部膜层13和内部膜层12的保持部分(图2)。
包装完整性通过结合若干特征的封闭物11指示。初始地，包装完整性通过观察未拆封的包装完整性结构40可视地指示，如所示。如果封闭物11之前被打开，结构40将不再是未拆封的并不再粘结到包装10的顶部表面。实际上，如图2和4所示，一旦封闭物11被第一次打开，结构40将破坏，导致结构部分40b、40d从包装10的顶部表面折皱、弯曲并抬起。
而且，包装完整性通过观察未拆封的整体地结合的条带52来指示，其有利地在允许取走物品之前将封闭物11打开足够大量时条带52破坏。另外，包装完整性通过结构40和条带52破坏时产生的可听见的声音来指示，该可听见的声音指示第一次打开包装。另外地，因为密封板条26通常不回到其原封不动的位置，而是相对于其原始位置稍微地不重合，所以包装完整性由密封板条26与顶部14的外部膜层13的剩余部分的不重合指示(图4)。
参见图5，与图1-4的实施例的元件相似的元件的附图标记增加100。包装110包括形成侧面116和端部61、62的热成形托盘60。包括内部膜层112和外部膜层113的双层膜材料密封到热成形托盘60的凸缘63上。与包装10相似，包装完整性通过与密封板条126整体地形成的未拆封的结构140和形成包装110顶部的外部膜层113的剩余部的存在而指示。而且与包装10相似，将片130向后拉而将密封板条126从外部膜层113上分开并且将内部板条122从内部膜层112、结构140和条带152部分上分开。在包装110被第一次打开之后，包装完整性结构将在140c破坏，形成部分140b、140d，条带152将在窄条带部分152c处破坏，提供包装完整性状况的可视指示，显示包装之前被打开，如图5所示。
包装110可应用于不同的食品(诸如干酪、肉片等)。此外，包装110可以用于半固体物品(诸如布丁和酸奶酪)。虽然包装110被描述成具有矩形的形状，但是包装110可以具有任何形状。包括圆柱形和不规则形状。
内部和外部膜层112、113可以由与膜层12、13的材料相同的材料形成，该材料包括聚丙烯、聚乙烯、玻璃纸或任何其他适用于形成包装外壳的聚合材料。
现在参见图6，与图1-4的实施例的元件相似的元件的附图标记增加300。包装310设计成容纳单排食品(例如饼干358)。当第一次打开包装310时，结构340将破坏，将密封板条326从外部膜层313的剩余部分分开，由此允许将密封板条326从包装310的顶部向后拉。包装完整性通过破坏的结构340以及通过观察条带352的状况而指示。
现在参见图7-10，与图1-4的实施例的元件相似的元件的附图标记增加400。包装410具有波状条带形状的包装完整性结构440，而不是包装10的弯曲条带40。结构440的波状形状具有凹形区段440b和凸形区段440d。包装410以与包装10类似的方式指示包装完整性，即在初始条件下，在密封板条426第一次向后剥开之前，包装完整性通过观察未拆封的结构440而指示。当第一次拉出密封板条426时，结构440将初次伸长并长度增加，并且最终破坏，产生破坏的端部440c，以及从包装410顶部414的剩余部分的顶部表面折皱、弯曲和/或抬起的区段440b和440c(图8和10)。同样地，与包装10相似，第一次拉出密封板条426，使条带452首先伸长然后最终破坏。
如上所示，本发明的包装完整性特征可通过将其自身替换为‘751申请的包装完整新特征的补充而使用。图11是任意包装的代表，其中本发明的包装完整性特征是独有的包装完整性特征。现在参见图11，与图1-4的实施例的元件相似的元件的附图标记增加500。包装510包括包装完整性结构540(其将密封板条526结合到外部膜层513的剩余部分)作为独有的包装完整性特征。
包装完整性在包装510中由附接到密封板条526的未拆封的结构540和外部膜层513的周边指示。使用者通过将片530向后拉以将密封板条526从包装510的顶部拉出而打开封闭物511，由此将内部板条522从内部膜层512分开以存取包装510内容纳的物品。第一次将片530向后拉导致结构540伸长且最终被破坏，如上关于包装10的结构40所述。
现在参见图12-13b，与图1-4的实施例的元件相似的元件的附图标记增加600。包装610与包装10相同，除了结构640具有连接到更宽的带部分640d的窄部分640f。当密封板条626通过抓住片630被第一次向后拉时，结构640首先伸长然后在窄部分640f破坏，产生破坏的端部640c(图13a)。同样地，与包装10相似，第一次向后拉密封板条626导致条带652破坏。当密封板条626在包装610的顶部变回平的时，显示包装610之前被打开的指示通过破坏的结构640，部分640b、640d与形成外部层613的材料的剩余部稍微的不重合，以及密封板条626与外部层613的剩余部可能的不重合而为可视的(图13b)。另外，结构640b、640d可从包装610的顶部表面614稍微抬起。
现在参见图14-15b，与图1-4的元件相似的元件的附图标记增加700。包装710与包装610相同，宽的带部分740b的位置接近密封板条626，而不是容器的顶部714的剩余部分。结果，当包装710被第一次打开，以及结构740破坏形成端部740c时，相对于包装610来说破坏将远离密封板条726，导致更宽的带部分740b保持附接到密封板条726(见图15a)。相反地，在包装610中，更宽的带部分640d保持附接到外部层613的剩余部分(见图13a)。包装完整性通过破坏的结构740，以及部分740b、740d与外部层713的剩余部分的不重合指示。
现在参见图16和17，与图1-4的元件相似的元件的附图标记增加800。包装810与包装10相同，除了结构840包括在中部具有更宽部分840b的两个窄部分840f和840g。当密封板条826被第一次向后拉时，结构840将破坏部分840f或840g。例如，如图17所示，结构840被显示在部分840g破坏。
现在参见图18和21b，与图1-4的元件相似的元件的附图标记增加900。结构910具有包装完整性特征结构940，其整体地将密封板条926附接到在条930处的外部层913的剩余部分。具体地，本发明的包装完整性结构940包括条带940f的窄部分，该窄部分在一端附接到拉片930并在其另一端附接到更宽的部分940b，所述条带永久地附接到包装的剩余部。由于冲切921从外部膜层913形成结构940，结构940与密封板条926的拉片930和外部膜层913的剩余部整体地形成。冲切921形成平行的“U”字形状的结构端部940e，其有助于确保当用户在第一次打开封闭物911之前破坏结构940时，外部膜层913将不会在端部940e附近撕裂且部分940b将永久并整体地保持为外部膜层913的部件。
有利地，结构940与拉片930一起从由外部膜层913形成的上表面914的剩余部抬起，限定了内部膜层912、结构940和拉片930之间的间隙942。抬起的结构940使用户能够用其手指从下面容易地抓住结构940并从拉片930破坏或分离开结构940。可替换地，结构940可基本上放平，但是在其核包装的顶部表面之间不用粘结剂。结果，用户可通过在该点处在包装中稍微地推动而仍从下面抓住结构940。
冲切25在密封板条926中限定了多个突片部分27，所述密封板条926包括‘751申请的一个包装完整性特征。密封板条926延伸过撕裂线920的周边，使得密封板条926完全覆盖并延伸过内部板条922和条带50、952、54的周边。结果，密封板条926完全覆盖内部板条922和条带50、952、54。
外部膜层913粘结地结合到内部膜层912。在可破坏的结构940破坏之后，如下面详细讨论，内部板条922可从内部膜层912的剩余部上分离开，以暴露出开口924，由此可存取包装910中的物品。当如‘751申请中所示内部板条922被拉出时，条带50、952、54将破坏，如图19a和19b所示。每个条带50、952、54整体地结合并保持附接到内部膜层912的剩余部分，内部膜层912分别在条带部分50a、952a、54a处包括顶部914。条带50、952、54的端部分分别在条带部分50b、952b、54b处保持整体地附接到第一板条922。每个条带50、952、54具有由条带在部分50c、952c和54c的宽度变窄限定的薄弱部分，以及平行的“U”字形状的端部52d、952d和54d。
密封板条926面对内部膜层912的侧面(包括突片部分27)上涂覆有可撕开的粘结剂928(见图19a和19b)，使得密封板条926可在邻近内部板条922的部分的可重新密封地固定到内部膜层912，并使得突片部分27保持永久地附到内部膜层912。密封板条926包括片930或不涂覆粘结剂928的其他握住特征，使得密封板条926可从内部膜层912向后剥开以打开包装910。另外，结构940不涂覆粘结剂，使得用户可简单地抓住结构940。
现在参见图18和21a，包装10优选地通过以用户的手指第一次抓住包装完整性结构940(其优选地从包装910的顶部表面抬起)的主要部分940b而打开，然后再平行于包装的顶部表面或稍微往上离开包装的方向上拉主要部分940b以在条带940c的窄部分破坏结构940(见图4a)。聚合的或其他柔性材料(其包括外部膜层913并因此形成结构940)允许用户简单地撕破结构940。
尽管如上所述第一破坏结构940是优选的，可替换地，可通过在剥开方向933抓住940并向后拉而破坏结构940，其将导致结构940在部分940f伸长直到结构940最终破坏，形成端部940c。
现在参见图19a、19b和21b，在结构940被破坏之后，密封板条926可向后拉，导致内部板条922从内部膜层912的剩余部上分离开。条带部分50b、952b、54b保持整体地附接到内部膜层912的剩余部分，条带部分50b、952b、54b保持整体地附接到内部板条922(图20)。另外，突片部分27从密封板条26分离开并由于粘结剂28保持附接到内部膜层12，由此在密封板条26中形成孔32(图19和21)。
初始地，当打开封闭物911时，条带部分50b、952b、54b从密封板条926分离开，同时条带部分50b、952b、54b保持附接到密封板条926，如图19a所示。在一些点上向后剥开密封板条926，条带952破坏而条带50和54保持未拆封(图19a)。进一步在箭头933方向拉密封板条926进一步打开了封闭物911且最终条带50和54分别在变窄条带部分50c和54c破坏。
包装完整性通过结合若干特征的封闭物911指示。初始地，包装完整性通过观察未拆封的包装完整性结构940可视地指示，所述结构940为了使用户通过向后拉密封板条926而恰好开始打开封闭物911而必须被破坏。而且，包装完整性通过观察未拆封的整体地结合的条带50、952、54来指示，其有利地在允许取走物品之前将封闭物911打开足够大量时条带50、952、54破坏。另外，包装完整性通过条带破坏时产生的可听见的声音来指示，该可听见的声音指示第一次打开包装。另外地，因为密封板条926通常不回到其原封不动的位置，而是相对于其原始位置稍微地不重合，所以包装完整性通过在密封板条被打开并再密封时由密封板条孔23与突片部分25的这种不重合指示(图21b)。
现在参见图22，与图1-4的实施例的元件相似的元件的附图标记增加1000。包装1010包括形成侧面1016和端部1061、1062的热成形托盘1060。包括内部膜层1012和外部膜层1013的双层膜材料密封到热成形托盘1060的凸缘1063上。与包装10相似，包装完整性通过与密封板条1026整体地形成的未拆封的结构1040和形成包装1010顶部的外部膜层1013的剩余部的存在而指示。而且与包装10相似，将片1030向后拉而将密封板条1026从外部膜层1013上分开并且将内部板条1022从内部膜层1012和条带1050、1052和1054部分上分开。在包装1010被第一次打开之后，包装完整性结构1040将破坏，条带1050、1052、1054将在窄条带部分1050c、1052c、1054c处破坏，提供包装完整性状况的可视指示，显示包装之前被打开，如图22所示。
现在参见图23和24，与图1-4的实施例的元件相似的元件的附图标记增加1100。包装1110具有位于开口1124的中间部分的单个条带1152。包装1110设计成容纳单排食品(例如饼干1158)。为了第一次打开包装1110，可破坏的结构1140必须被破坏，将包装完整性结构主体1140b从突片部分1130分开，由此允许将密封板条1126从包装1110的顶部向后拉。结构1140的破坏可通过首先将结构从密封板条1126的剩余部分拆下，或通过将片1130向后拉(其将伸长并最终破坏结构1140c)而发生。包装完整性通过破坏的结构1140，和通过观察条带1152的状况，以及突片部分1125与密封板条孔1132的不重合指示(图24)。如上所示，本发明的包装完整性特征可通过将其自身替换为‘751申请的包装完整新特征的补充而使用。图11是任意包装的代表，其中本发明的包装完整性特征是独有的包装完整性特征。
现在具体参见图25，与图1-4的实施例的元件相似的元件的附图标记增加1200。包装510包括包装完整性特征1240(其结合到片1230)作为独有的包装完整性特征。包装完整性在包装1210中由附接到片1230的未拆封的结构1240指示。在第一次打开包装1210之前，用户抓住条带1240f的窄部分并使其从片1230分离开，其随后允许用户一直能够将片1230向后拉而将密封板条1226从包装1210的顶部拉出，由此将内部板条1222从内部膜层1212分离开，从而可存取包装1210中容纳的物品。可替换地，用户可抓住片1230并在剥开方向1233上向后拉，其将导致结构1240在部分1240c破坏，由此允许用户继续向后拉密封板条1226，从而可存取其中的物品。
如对本领域的技术人员来说是显而易见的，本发明的包装完整性特征优于现有技术中的显示拆封或包装完整性特征。

Claims (59)

1.一种包装完整性构造，包括：
封闭物，其覆盖着进入容器的开口；以及
与封闭物相关联的至少一个结构，将所述封闭物连接到所述容器的剩余部分；
其中，当第一次打开所述封闭物时，所述结构伸长且长度增加直到所述结构被最终破坏，被破坏的结构的残留端部的一个或两个从所述容器的剩余部分向上折皱或弯曲。
2.根据权利要求1所述的包装完整性构造，其特征在于，所述至少一个结构包括至少两个结构，每个结构分别处于所述封闭物上的一位置处的相对侧，在打开所述容器时用户可从所述位置处抓住所述封闭物的一部分。
3.根据权利要求2所述的包装完整性构造，其特征在于，用户抓住所述封闭物的所述位置包括拉片。
4.根据权利要求1所述的包装完整性构造，其特征在于，所述结构为在所述封闭物和所述容器的邻近部分之间延伸的条带。
5.根据权利要求4所述的包装完整性构造，其特征在于，所述条带包括薄弱部分。
6.根据权利要求5所述的包装完整性构造，其特征在于，所述薄弱部分的形式为所述条带的一部分变窄。
7.根据权利要求1所述的包装完整性构造，其特征在于，所述结构包括弯曲的条带。
8.根据权利要求7所述的包装完整性构造，其特征在于，所述弯曲具有弧形形状。
9.根据权利要求7所述的包装完整性构造，其特征在于，所述弯曲具有凹形区段和凸形区段。
10.根据权利要求1所述的包装完整性构造，其特征在于，所述封闭物包括粘结地密封到所述开口周围的所述容器的剩余部分的密封板条，所述结构在一端与所述密封板条整体地形成，在另一端与所述容器的剩余部分整体地形成，
其中，通过在剥开方向上向后拉所述密封板条，可将其从所述容器的剩余部分撕开，由此使与所述密封板条相关联的所述至少一个结构伸长，并最终破坏所述结构，从而能够存取内部的物品，而且当所述密封板条运动回来抵靠在所述容器的剩余部分时，所述密封板条可重新封闭所述容器的剩余部分以密封所述开口。
11.根据权利要求1所述的包装完整性构造，其特征在于，所述结构由包括围绕所述封闭物的表面的材料整体地形成。
12.根据权利要求10所述的包装完整性构造，其特征在于，所述至少一个结构包括至少两个结构，每个结构分别处于所述密封板条的相对侧。
13.一种包装完整性构造，包括：
与容器的可重新密封的封闭物的密封板条相关联的至少一个结构，所述结构在一端与所述密封板条整体地形成，在另一端与所述容器的剩余部整体地形成，
其中，所述结构被构造成当所述密封板条从所述容器的剩余部分第一次向后拉时破坏所述密封板条和所述容器的剩余部分之间的连接，由此通过所述结构使所述密封板条脱离其到所述容器的附接。
14.根据权利要求13所述的包装完整性构造，其特征在于，所述密封板条进一步包括可由用户抓住的拉片，用于将所述密封板条从所述容器顶部的剩余部拉出，其中抓住所述拉片并第一次从所述容器顶部的剩余部拉出所述密封板条导致所述结构破坏。
15.根据权利要求13所述的包装完整性构造，其特征在于，在能够取走所述容器中的任意物品之前所述结构破坏。
16.根据权利要求13所述的包装完整性构造，其特征在于，所述结构为在所述密封板条和所述容器的邻近部分之间延伸的条带。
17.根据权利要求16所述的包装完整性构造，其特征在于，所述条带包括薄弱部分。
18.根据权利要求17所述的包装完整性构造，其特征在于，所述薄弱部分的形式为所述条带一部分变窄。
19.根据权利要求13所述的包装完整性构造，其特征在于，当第一次打开所述封闭物时，所述结构伸长且最终被破坏，所述结构的残留端部的一个或两个从所述容器顶部的剩余部向上延伸。
20.根据权利要求13所述的包装完整性构造，其特征在于，当第一次打开所述封闭物时，所述结构伸长且最终被破坏，所述结构的残留端部的一个或两个从所述容器顶部的剩余部向上折皱或弯曲。
21.根据权利要求13所述的包装完整性构造，其特征在于，所述结构包括附接到所述密封板条的窄条带端部和附接到所述容器条带的顶部的剩余部的相对宽的带端部。
22.根据权利要求13所述的包装完整性构造，其特征在于，所述结构包括附接到密封板条的相对宽的带端部和附接到所述容器顶部的剩余部的窄条带端部。
23.根据权利要求13所述的包装完整性构造，其特征在于，所述结构包括两个窄条带端部，在这两个窄条带端部之间为一较宽的区段，所述窄条带端部中的一个附接到所述密封板条，所述窄条带端部中的第二个附接到所述容器顶部的剩余部。
24.根据权利要求13所述的包装完整性构造，其特征在于，所述结构包括弯曲条带。
25.根据权利要求24所述的包装完整性构造，其特征在于，所述弯曲具有弧形形状。
26.根据权利要求24所述的包装完整性构造，其特征在于，所述弯曲具有凹形区段和凸形区段。
27.根据权利要求13所述的包装完整性构造，其特征在于，所述至少一个结构包括至少两个结构，每个结构分别处于所述密封板条的相对侧。
28.根据权利要求13所述的包装完整性构造，其特征在于，所述至少一个结构至少包括偶数个结构，所述结构在所述密封板条的相对侧具有相等的数量。
29.一种用于容器的完整性指示封闭物，所述封闭物包括：
至少双层材料，所述双层材料包括粘结地结合到外部层的内部层，并且形成了所述容器的顶部，所述内部层具有内部层板条，外部层具有密封板条，所述密封板条完全覆盖所述内部层板条；
至少一个条带，其由包括所述外部层的材料形成，并且将所述密封板条连接到所述外部层的剩余部分；
所述内部层板条和所述密封板条永久性地相互结合，以提供进入所述容器的存取开口；以及
提供在所述密封板条周边上的可撕开的粘结剂，用于将所述密封板条粘合到所述内部层，
其中，通过在剥开方向上向后拉所述密封板条，可将其从所述内部层撕开，并且当所述密封板条运动回来抵靠在所述顶部上时，所述密封板条可重新封闭所述顶部，从而密封所述开口。
30.根据权利要求29所述的完整性指示封闭物，其特征在于，当第一次从所述内部层撕开所述密封板条时，通过在剥开方向上向后拉所述密封板条，使至少一个将所述密封板条整体地结合到所述外部层的剩余部的条带伸长且最终被破坏。
31.根据权利要求29所述的完整性指示封闭物，其特征在于，在所述至少一个结构被破坏后，所述结构的残留端部的一个或两个从所述容器的顶部向上折皱或弯曲。
32.根据权利要求29所述的完整性指示封闭物，其特征在于，所述至少一个条带从所述密封板条的端部延伸至所述外部层的剩余部分。
33.一种包装完整性指示封闭物，所述封闭物包括：
至少双层材料，所述双层材料包括粘结地结合到第二膜层上的第一膜层；
第一撕裂线，其形成在所述第一膜层中限定了第一层板条，用于当所述第一层板条沿所述第一撕裂线从所述第一膜层分离开时，提供穿过所述第一膜层的存取开口；以及
第二膜层，其具有第二层撕裂线，所述第二层撕裂线限定了一端终止于可破坏结构的密封板条，所述密封板条完全覆盖所述第一层板条，所述第二膜层包括可撕开的粘结层，用于将所述密封板条可撕开地粘结到所述第一膜层，
其中，只有在所述可破坏结构被破坏之后，所述密封板条才能从所述第一膜层分离开，以暴露出存取开口并存取其中的物品。
34.根据权利要求33所述的包装完整性指示封闭物，其特征在于，所述可破坏结构是在所述封闭物的形成所述封闭物的突片部分的一端和所述第二膜层的相邻部分之间延伸的条带。
35.根据权利要求34所述的包装完整性指示封闭物，其特征在于，所述条带包括薄弱部分。
36.根据权利要求35所述的包装完整性指示封闭物，其特征在于，所述薄弱部分的形式为所述条带一部分变窄。
37.根据权利要求33所述的包装完整性指示封闭物，其特征在于，所述结构从所述第一膜层抬起，由此限定了它们之间的间隙。
38.根据权利要求33所述的包装完整性指示封闭物，其特征在于，完好的可破坏结构指示所述封闭物从来没有被打开过。
39.一种包装完整性构造，包括：
与容器的可重新密封的封闭物的端部分相关联的结构，所述结构可破坏地在一端附接到所述端部分并永久地附接到所述容器的剩余部，其中所述可破坏结构被构造成使得其可用手指从下面抓住并被破坏，由此破坏所述端部分和所述容器的剩余部之间的连接，从而通过所述结构使所述端部分脱离其到所述容器的附接。
40.根据权利要求39所述的包装完整性构造，其特征在于，所述结构是在所述封闭物的端部分和所述容器的相邻部分之间延伸的条带。
41.根据权利要求40所述的包装完整性构造，其特征在于，所述条带包括薄弱部分。
42.根据权利要求41所述的包装完整性构造，其特征在于，所述薄弱部分的形式为所述条带一部分变窄。
43.根据权利要求39所述的包装完整性构造，其特征在于，所述结构从所述容器的顶表面抬起。
44.根据权利要求40所述的包装完整性构造，其特征在于，所述结构由包括围绕所述封闭物的表面的材料整体地形成。
45.根据权利要求40所述的包装完整性构造，进一步包括具有结合可重新密封的封闭物的顶部的容器，所述可重新密封的封闭物包括密封板条，所述密封板条覆盖了进入所述容器的存取开口并密封地接合所述存取开口周围的顶部，以此来初始地密封所述封闭物，然后在第一次打开封闭物之后，重新密封所述顶部，所述结构与所述密封板条和顶部相关联，所述结构的一端可破坏地附接到所述密封板条，而另一端永久地附接到顶部的剩余部。
46.根据权利要求39所述的包装完整性构造，其特征在于，所述结构是在非粘结地密封到所述顶部的所述密封板条的突片部分和所述顶部的剩余部之间延伸的条带。
47.根据权利要求39所述的包装完整性构造，其特征在于，所述端部分包括所述可重新密封的封闭物的突片部分。
48.一种包装完整性指示封闭物，所述封闭物包括：
形成容器顶部的膜层，所述膜层具有限定存取开口的翼片以便存取所述容器中的物品；
密封板条，其完全覆盖所述膜层的翼片，所述密封板条包括拉片，而且一条带从所述拉片延伸，并被永久地附到所述顶部，所述拉片和所述条带限定了所述容器的顶表面与所述拉片和条带之间的间隙；以及
在所述密封板条的一个或两个上或在所述膜层上提供的可撕开的粘结剂，用于将所述密封板条粘结到所述膜层，
其中，在通过在剥开方向上向后拉所述密封板条来破坏掉将所述密封板条结合到所述顶部的一部分的所述条带之后，所述密封板条可从所述膜层上撕开，并且当所述密封板条运动回来抵靠在所述顶部上时，所述密封板条可重新封闭所述顶部从而密封所述存取开口。
49.根据权利要求48所述的包装完整性指示封闭物，其特征在于，所述条带包括薄弱部分。
50.根据权利要求48所述的包装完整性指示封闭物，其特征在于，所述密封板条和所述条带相互整体地形成。
51.根据权利要求48所述的包装完整性指示封闭物，其特征在于，所述密封板条和所述条带是由形成所述容器顶表面并置于所述膜层上的材料冲切而成的。
52.一种包装完整性指示封闭物，所述封闭物包括：
与容器的可重新密封的封闭物的端部分相关联的结构，所述可重新密封的封闭物的端部分和所述结构都被非粘结到所述容器的邻近的顶部表面，所述结构被可破坏地附接到所述可重新密封的封闭物的端部分，并且被永久地附接到所述容器的剩余部，其中所述结构必须在所述可重新密封的封闭物的端部分和所述容器的剩余部之间分离开，以打开所述可重新密封的封闭物。
53.根据权利要求52所述的包装完整性指示封闭物，其特征在于，所述结构与形成所述容器的顶表面的材料整体地形成。
54.根据权利要求52所述的包装完整性指示封闭物，其特征在于，所述结构为在所述封闭物的端部分和所述容器的邻近部分之间延伸的条带。
55.根据权利要求54所述的包装完整性指示封闭物，其特征在于，所述条带包括薄弱部分。
56.根据权利要求55所述的包装完整性指示封闭物，其特征在于，所述薄弱部分的形式为所述条带一部分变窄。
57.根据权利要求54所述的包装完整性指示封闭物，其特征在于，所述封闭物的端部分包括拉片。
58.根据权利要求52所述的包装完整性指示封闭物，进一步包括置于容器中的食品，所述食品从饼干、薄饼、花生、干酪、肉片和半固体食品构成的组中选择。
59.根据权利要求52所述的包装完整性指示封闭物，其特征在于，所述可重新密封的封闭物的端部分和所述结构从所述容器的顶表面抬起。
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