CN104136330A - 容器和坯件 - Google Patents

容器和坯件 Download PDF

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Publication number
CN104136330A
CN104136330A CN201280070885.1A CN201280070885A CN104136330A CN 104136330 A CN104136330 A CN 104136330A CN 201280070885 A CN201280070885 A CN 201280070885A CN 104136330 A CN104136330 A CN 104136330A
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container
flange plate
blank
overlapping flange
plate
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CN201280070885.1A
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CN104136330B (zh
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萨曼莎·穆尔
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CAPECO AB
Colpac Ltd
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CAPECO AB
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    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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Abstract

本发明涉及一种容器。特别地，本发明涉及一种用于接收食品的容器(152)，该容器(152)由折叠的坯件(102)形成。容器(152)的本体由容器坯件(102)的板(104，106，108，110)形成，并且至少一个凸缘部分设置在容器本体的开口的边缘处。该凸缘部分包括容器坯件(102)的两个重叠凸缘板(122，124)，该两个重叠凸缘板结合在一起以保持容器本体的形状。

Description

容器和坯件
本发明涉及一种容器，并且具体地但并非排他地涉及一种用于容纳食品的可气密地密封的容器。本发明还涉及一种用于这种容器的坯件，并涉及一种用于形成这种容器的方法。
已知的是提供可在两个阶段中形成的容器形式的食品包装。在第一阶段中，容器取自其初始状态(通常为扁平容器坯件)，并且容器通过折叠坯件的各个部分并将各个部分结合在一起而部分形成，同时使部分形成的容器处于扁平构造以用于运输。在第二阶段中，该部分形成的容器被“取出(pop up)”并进一步地形成，以提供最终的容器。通常，形成容器的第二阶段需要首先竖立起部分形成的扁平容器的壁，然后将该容器的其他板结合在一起，以提供准备用于填充的坚固的三维容器。在容器被填充之后，进而用盖密封该容器，以提供最终产品。
将竖立的容器的板结合在一起的过程可为复杂且耗时的，并通常需要专门的工具。由于这个原因，通常需要在提供给用户之前使容器完全形成，尽管这意味着大量的成本。
如果可简化第二形成阶段，那么，部分形成的容器对于更多制造商来说将变成一个实际的选择。这将进而降低成本并减小将容器运送给用户的环境影响，这是因为与完全形成的容器相比，扁平折叠的包装占据小得多的空间。
本发明提供一种根据所附权利要求1所述的容器。
在相关的从属权利要求中描述了其他有利的特征。
通过依赖于将重叠凸缘板围绕容器的开口结合在一起以支撑容器壁并保持容器本体的形状，可避免对将容器的其他部分结合在一起的需要。
可能地，当盖应用至凸缘以封闭容器时，重叠凸缘板可通过热密封结合在一起。在这个情况中，如果在两个重叠凸缘板之间设置能热密封薄膜的层，那么这是有帮助的。
该容器优选地包括盖，该盖具有一条或多条薄弱线，以形成用于容器的易破的开口。优选地，薄弱线布置成使得盖的部分保持结合至容器凸缘，以帮助保持重叠凸缘板结合在一起，并且当容器一旦打开时对容器提供额外的强度。
用于形成上述容器的坯件可包括壁板，该壁板在其之间具有带状区段。然后，所述重叠凸缘板中的第一重叠凸缘板可从每个带状区段延伸，并且所述重叠凸缘板中的第二重叠凸缘板可从邻近每个带状区段的至少一个壁板延伸。
能热密封薄膜的额外区域可从带状区段延伸，以用于夹在重叠凸缘板之间，使得能热密封薄膜将所述重叠凸缘板结合在一起以形成最终容器的凸缘。薄膜区域可设置在所述第一重叠凸缘板的端部与第二重叠凸缘板的端部之间，并且坯件的折叠可自动地使得这些薄膜区域夹在凸缘板之间。由于折叠坯件，故可将薄膜区域折叠成Z字形折痕。所述第一重叠凸缘板的端部和所述第二重叠凸缘板的端部被切掉，以增大能热密封薄膜的面积，并有可能确保在坯件的板之间产生的折痕可伸入未支撑薄膜的区域中。
带状区段可形成为两部分，该两部分在其之间具有折叠线。两个带状区段可为相等的尺寸和形状，或者可为不对称的。
容器可通过采用上述坯件并将每个带状区段的第一部分结合至壁板(可能使用胶点(glue dot)，其中，坯件折叠成扁平构造)而形成容器。这提供了一种部分形成的容器，其占据用于运输的最小空间，并且可由用户容易地形成最终容器。
形成最终容器的后续步骤可包括：将壁板相对于基板折叠成设定角度；将重叠凸缘板从壁板向外折叠；以及将重叠凸缘板结合在一起。
可在填充容器之前或之后将凸缘板结合在一起，以将容器保持在竖立构造中。该结合可能通过将盖热密封至凸缘板以在填充之后封闭容器的过程来实现。
本发明的容器的优点在于，在初始部分形成之后，可通过将盖热密封至容器本体来实现仅剩余的结合。这避免了将容器壁在竖立位置中单独结合的处理步骤。相反，通过适当的工具使扁平的、部分形成的容器竖立，然后该容器被该工具保持在竖立构造中，准备用于填充。在填充之后，盖被热密封在容器上。热密封作用还可用于将可热密封材料的重叠层结合在容器凸缘内，即使当连续打开或移除容器盖时，这也可使容器壁具有结构完整性。
通过使用盖密封处理(其将始终是用户在填充容器之后执行的步骤)以便还将容器结合在一起，可在不需要任何额外特殊工具的前提下实现整个第二阶段形成过程。
将从下文的详细说明中更好地理解本发明。该说明仅通过实例的方式并参考附图而给出，在附图中：
图1是用于形成根据本发明的第一实施方式的容器的坯件的平面图；
图2是示出了折叠成部分形成的构造的图1的坯件的平面图；
图3是示出了折叠成部分形成的构造的图1的坯件的另一平面图；
图4是示出了从图3的折叠坯件形成容器的初始阶段的立体图；
图5是示出了图4所示的初始形成阶段的替换视图；
图6是从图1的坯件形成的容器的立体图；图7是图6的容器的下侧的视图；
图8是用于形成根据本发明的第二实施方式的容器的坯件的平面图；
图9是示出了折叠成部分形成的构造的图8的坯件的平面图；
图10a和图10b是示出了从图9的折叠坯件形成容器的立体图；以及
图11a和图11b是示出了容器的打开机构的立体图。
本发明的第一优选实施方式在附图1至7中示出为具有整体折叠盖的大致矩形的容器。该容器由扁平坯件形成，该扁平坯件包括纸板层以及设置于纸板层一侧上的不透液体的且可热密封的塑料薄膜的层压层(laminated layer)。
图1中示出了初始的坯件2。坯件2由多个板组成，该多个板由设置于坯件2的纸板层中的折叠线限定。大致矩形的第一板将形成容器的基部，并因此将被称为基板4。邻近基板的四个边缘设置的四个其他的大致矩形的板将形成容器的竖直壁。为了方便起见，容器的两个较短的壁将被称为侧壁6，并且两个较长的壁将被称为前壁8和后壁10。
在基板4的四个转角中的每一个处，位于坯件的每个侧壁6与前壁8和后壁10之间的是带状(webbing)板。在每个转角中，邻近侧壁板6设置有第一三角形带状板12，并且邻近前壁板8或后壁板10设置有第二三角形带状板14。位于每个转角处的第一带状板12和第二带状板14一起形成方形带状区段，其中位于第一带状板12与第二带状板14之间的对角线带状折叠线13以45°角从基板4的每个转角向外延伸。纸板的一区段沿着每个带状折叠线13的大部分被切成仅留下塑料薄膜的孔隙15。
邻近每个侧壁板6设置有侧凸缘板22。邻近每个第二带状板14的边缘也设置有带状凸缘板24。带状凸缘板24的宽度与每个侧凸缘板22的宽度相同。
整体盖设置成邻近后壁板10的盖板16。邻近前壁板8设置有前凸缘。与邻近的带状凸缘板24的外边缘对准的折叠线19将前凸缘板分成第一部分18和第二部分20，第一部分18最靠近前壁8。沿着前凸缘中的折叠线19设置有一对孔隙15，这对孔隙与沿着带状折叠线13设置的那些孔隙类似。
通过延伸侧壁6的全长的折叠线来设置两个侧凸缘板22的内边缘，这两个侧凸缘板附接至该侧壁。每个侧凸缘板22的前边缘26均与侧凸缘板22的长度成直角地从折叠线9的端部延伸，该折叠线设置成横过坯件2的在基板4与前壁板8之间的以及在两个第一带状板12与侧壁板6之间的整个宽度。每个侧凸缘板22的后边缘30与侧凸缘板22的长度成45°角地从另一折叠线11的端部延伸，该另一折叠线设置成横过坯件2的在基板4与后壁板10之间的以及在另两个第一带状板12与侧壁板6之间的整个宽度。因此，每个侧凸缘板22的外边缘比内边缘短。
每个带状凸缘板均是具有第一角边缘以及第二平行角边缘25、27的平行四边形的形状，该第一角边缘从第一带状板12与第二带状板14之间的带状折叠线13延伸并遵循该带状折叠线的线，该第二平行角边缘从前壁板8的转角21或后壁板10的转角23延伸。在距坯件的后壁10最近的带状凸缘板24的情况中，第二角边缘由带状凸缘板24与盖板16之间的折叠线25所限定。盖板16的其余部分通常是矩形的，并且尺寸上比基板4大。在盖板中设置有窗形部36。
每个带状凸缘板24的距坯件的前壁8最近的第二角边缘27形成三角形区域的一个边缘，在该三角形区域中，纸板被切成留下等腰三角形的薄膜34。三角形薄膜区域34关于前凸缘的第一部分18与第二部分20之间的折叠线19具有对称性，三角形薄膜区域34的顶点位于带状凸缘板24的外边缘处。
用已知的方法形成坯件2，在该方法中，在整个纸板层上层压连续薄膜层之前，在一片纸板中形成初始切口和折叠线(折痕或划痕)。因此，能热密封薄膜的一个连续层设置在整个坯件2上，并且覆盖上述切掉的区段以形成孔隙15、窗形部36以及三角形薄膜区域34而没有任何不连续。仅在已经应用薄膜层之后切割坯件的最终形状，所以还可能在纸板层的边缘处设置额外的薄膜区域。在图1的坯件中，梯形薄膜区域38、40设置在每个带状凸缘板24的第一角边缘与每个侧凸缘板22的最近的边缘26、30之间。每个梯形薄膜区域38、40的自由边缘与每个侧凸缘板22的外边缘对准。
图1的坯件2的一个优点是，该坯件可部分地形成，但仍呈扁平构造以用于运输。在图2和图3中示出了初始形成步骤。
将坯件2定位成使层压薄膜面向上，然后将该坯件在折叠线9和11处折叠成图2所示的构造。在这个构造中，梯形表面区域38、40可看成覆盖在坯件的两侧上的侧凸缘板22上，并且带状板12、14覆盖侧壁板6的区域。第一带状板12结合(胶粘或热密封)至侧壁板6，但是在这个阶段，不将容器坯件的其他部分结合在一起。
如图3所示，进而在折叠线19处将前凸缘板折叠，使得前凸缘的第二部分20覆盖前壁板8。盖板16在图3中示出为回折(fold back)，使得前凸缘的折叠布置可见。如位于折叠线19上的孔隙15，前凸缘中的三角形薄膜区域34示出为在折叠线19处折叠两次。折叠线19上的孔隙15的主要目的是使坯件2在折叠线19处的折叠更容易。
坯件2可如上述进行折叠及结合而被运输。扁平构造允许坯件2在运输过程中占据最小空间。
在图4至图7中示出了容器52从坯件2的进一步的形成。
图4示出了组配成容器的部分形成的容器坯件2的前视图。由于基板4是扁平的，所以将侧壁板6的边缘向上折叠。侧壁6的这个运动使得每个第二带状板14(未结合至侧壁)在带状折叠线13处相对于每个第一带状板12折叠，这进而使得前壁板8和后壁板10向上折叠而远离基板4。由于包括孔隙15，所以可容易地折叠带状折叠线13。在与侧壁6相反的方向上折叠侧凸缘板22，以在将成为容器开口的位置周围开始形成向外折叠的凸缘。带状凸缘板24以类似的方式向外折叠。
盖板16与邻近的带状凸缘板24之间的角折叠线25允许盖板16向内折叠，从而随着带状板24向外折叠而最终覆盖容器开口。类似的折叠布置发生在容器的前部，在该处，前凸缘的第一板18随着邻近的带状板24向外折叠而折叠到容器开口中。
在图5中，从不同的角度示出了相同的折叠操作。将领会到，梯形薄膜区域38、40将随着第二带状板14折叠到第一带状板12上而被夹在侧凸缘板22与带状凸缘板24之间。
侧壁板6的连续折叠使得第二带状板14覆盖第一带状板12而抵靠容器的侧壁6的内表面。前凸缘的第二部分20在折叠线19处向外折叠，以在容器的前部设置向外翻转的凸缘，其宽度与侧凸缘22、24的宽度相等。因此，可由前凸缘的第二部分20提供用于密封盖板16的较大区域，而前凸缘不会延伸得过远而超过容器壁。每个侧凸缘板22的角后边缘30还将对准盖板16与每个邻近的带状凸缘板24之间的角折叠线25。
图6示出了由坯件形成的准备用于填充和密封的容器52。虽然在图中无法清楚地看到，但是应该领会到，梯形薄膜区域38、40中的每一个当前均夹在侧凸缘板22与带状凸缘板24之间。因为前凸缘的第一部分18向内折叠，所以前凸缘覆盖侧凸缘22的端部。这有助于改善容器52的转角处的密封，并且还对容器52提供一些额外的结构刚度。从前凸缘板移除以形成三角形薄膜区域34的纸板区域容纳带状凸缘板24的距容器前部最近的第二角边缘27，并避免纸板在这些区域中形成不期望的厚度。将三角形薄膜区域34本身折叠一半，以提供双层折叠薄膜。与将由笔直密封或结合所提供的相比，薄膜三角形34的折叠连同角边缘27一起对试图进入或逸出容器的任何气体提供更曲折的路径，从而进一步改善容器52的完整性。
当前，后壁10的转角23和前壁8的转角21形成容器开口的四个转角。明显地，转角21、23中的每一个均被坯件2的其他部分所包围。通常，容器开口的转角(在该转角处，盖板在容器开口的两个邻近侧面处与容器凸缘接触)已经成为非常难以有效密封的区域。在本发明中，在坯件2的位于任何转角21、23处的材料中(特别是在薄膜层中)不存在不连续性。实际上，由于第一前凸缘部分18向内折叠，所以前凸缘覆盖前壁8的转角21。这特别有助于提供真正的气密的密封，使得真空包装、充气包装或改进的大气包装技术可用于延长容器内容物的寿命。
在填充过程期间，通过生产工具将容器52简单地保持在图6所示的竖立(erected，挺立的)构造中，而不是在填充之前进一步结合。一旦已经填充容器52，就将盖板16封闭并且热密封至凸缘20、22、24。该热密封工艺不仅将盖板16结合至前凸缘20的暴露表面、侧凸缘22的暴露表面以及带状凸缘板24的暴露表面，而且经由夹在带状凸缘板24与侧凸缘板之间的梯形薄膜区域38、40而将该带状凸缘板结合至侧凸缘板。这个结合足以在不具有任何另外必须的结合过程的前提下提供包装结构稳定性。
此外，已经发现，即使在随后打开盖板16之后，容器52的本体也能够保持其竖立形式。盖板可与容器的凸缘20、22、24分离，但仍使带状凸缘板24结合至侧凸缘板22，以保持容器的完整性。
图7示出了从图6的容器52的下面观察的视图。应注意，在凸缘的下面上没有暴露的塑料薄膜。当密封容器52时，热量被施加至盖板16的顶部并且施加至凸缘20、22、24的下面。纸板层保护薄膜不受直接施加的热量的影响，该直接施加的热量会破坏塑料材料，从而导致最终容器52的完整性的损失。
图8至图10中示出了本发明的第二优选实施方式。图8中示出了第二实施方式的坯件102，该坯件与第一实施方式的坯件2具有许多相似性。下文将描述关键差异。
与图1的坯件2不同，形成第二实施方式的前壁108和后壁110的板不是矩形的。替代地，侧边缘142、144以及前壁板108和后壁板110的每侧均远离基板104向外成角度，从而使最终容器具有一锥度。如图8所示，锥角是12°。基板104和侧壁板106保持为矩形，这样使得横过坯件102的整个宽度延伸的折叠线109、111对其整个长度保持笔直，以允许如对第一实施方式描述地折叠坯件102。
另一差异是，带状板112与带状板114之间的折叠线113不会从基部104的每个转角以45°延伸。替代地，每个折叠线113与前壁板108的角边缘142以及后壁板110的角边缘144均成45°，使得图8的坯件102的第二三角形带状板114大于第一三角形带状板112。为了确保当坯件102折叠时带状板112、114的边缘仍对准，第二三角形带状板114的与带状凸缘板124邻近的边缘相对于折叠线109、111成角度，这样使得图8的坯件102的带状区段不是方形的。当描述坯件的折叠时，对于带状区段的这些改变的原因将变得清楚。
侧凸缘板122的前边缘126(其在第一实施方式中是笔直的)朝着侧凸缘板122的后部形成45°的角度，以镜像侧凸缘板122的后边缘130的角度。此外，切口区段146设置在带状凸缘板124中，以增大薄膜区域138、140。
第一实施方式的两部分前凸缘18、20已经被更简单的单个前凸缘板120所替换。小三角形的薄膜134横跨每个前凸缘板120与邻近的带状凸缘板124之间的间隙，该小三角形薄膜的自由边缘148被切割成向内延伸的弧形。
图8的坯件还示出了一种用于容器的易破的开口机构。该开口机构包括一对撕开线150以及另一撕开线151，该一对撕开线设置于盖板116中并平行于盖板的侧边缘，该另一撕开线位于坯件102的前壁板108与前凸缘板120之间。
第二实施方式的坯件102以与第一实施方式的坯件2非常相似的方式折叠以形成容器。图9示出了在折叠的第一阶段之后的坯件102，该坯件具有与图2相同的构造。坯件102已在笔直折叠线109、111处折叠，这样使得带状板112、114覆盖侧壁板106。如第一实施方式，此时仅第一带状板112胶粘(或以其他方式结合)至侧壁板106。
图8的坯件102的简单构造意味着，在第二实施方式中，只需要将前壁板108和后壁板110远离彼此地拉开或将侧壁板106朝着彼此向上折叠而使容器从图9的布置竖立起来。如图10a所示，这个动作使容器的壁自动地竖立起来，并使得带状凸缘板124的部分与侧凸缘板122的端部重叠。侧凸缘板122的角端部126、130和带状凸缘板124中的切口区段146提供在使容器竖立的过程期间薄膜的折叠的未支撑区域。该未支撑的薄膜容易地遵循带状折叠线113的线以及横过坯件102的宽度的折叠线109、111的线，从而在容器侧凸缘内的薄膜区域138、140中提供Z字形折痕。薄膜在这些Z字形折痕中的对折对试图进入或逸出容器的任何气体提供更曲折的路径，从而改善容器的完整性。
在图10b中示出了第二实施方式的最终竖立的容器152。已经折叠出由侧凸缘板122和带状凸缘板124形成的侧凸缘和前凸缘板120，以提供一表面，盖板116可热密封至该表面以封闭容器152。通过切掉区域146中的薄膜的对折所产生的双重厚度的薄膜区域设置在侧凸缘的上表面上，以改善凸缘与盖板116之间的结合。
图10b还示出了如何拉伸前凸缘板120与邻近的带状凸缘板124之间的三角形的薄膜134，以使最终容器152的凸缘中的间隙桥接。当拉伸形成容器152时，设置在每个三角形的薄膜134的自由边缘中的半径148有效地延长自由边缘并减小使薄膜裂开的机会，这是这个类型的设计中的一个常见问题。
第一实施方式中的两部分凸缘18、20确保当从坯件2形成容器时，用来层压坯件的薄膜不会受到过度的拉伸。通过使用更高级的薄膜，可增加失败之前可能的拉伸/延长的程度，因此可使坯件102简化。对于第二实施方式，用包括乙烯-乙烯醇共聚物(EVOH)层以及低密度聚乙烯(LDPE)层的薄膜来层压坯件102，这些层可对在容器坯件的层压中通常使用的其他薄膜提供更好的特性(断裂伸长率和耐撕裂性)。可从法国公司Leygatech获得一种适当的共挤(co-extruded)薄膜，并且，该薄膜表现出以下性能：
-断裂应力(MD/TD)：     27/16    Mpa
-断裂伸长率(MD/TD)：   410/470  ％
-耐撕裂性(MD/TD)：     95/205   Nmm-1
该薄膜还表现出小于7.5gm-2/24h的水蒸汽传输率(在38℃和90％相对湿度下)，以及2cm3m-2/24h或更小的氧渗透率(在23℃和0％相对湿度下)。该薄膜具有40微米的总厚度，由夹在两个18.5微米厚的LDPE层之间的3微米厚的EVOH的中间层构成。
在容器坯件的层压中使用的许多薄膜存在的另一问题是，如果暴露于高温(诸如在热密封工艺中使用的温度)，则薄膜会破损并损失完整性。由于这个原因，容器坯件通常被设计成确保在容器的将受到热密封处理的外表面上不存在暴露的塑料薄膜。而且，使用更高级的薄膜可克服这个问题，这样使得可进一步简化坯件的设计。例如，在第二实施方式中，使用更高级的薄膜可克服由侧凸缘122的下面上暴露的薄膜的存在而另外产生的问题。
通过将带状凸缘板124结合至侧凸缘板122(例如通过热密封)而将容器152一起保持在其竖立构造中。可在容器152处于图10b所示的构造中时执行这个结合步骤，或者这个结合步骤可作为“加盖”过程的一部分而进行，在该过程中，盖板116被热密封至容器凸缘，如图11a所示。无需在带状板112、114之间提供任何额外的结合，这是因为带状凸缘板124至侧凸缘板122的折叠及结合使第二带状板114保持抵靠容器的侧壁106。然而，如果需要的话，可包括额外的结合。
图11a所示的封闭密封的容器152提供真正的气密的密封，使得真空包装、充气包装或改进的大气包装技术可用于延长容器内容物的寿命。容器坯件102的形状连同薄膜区域134、138、140以及侧凸缘板与带状板之间的薄膜区域138、140上的Z字形折痕全部有助于由最终容器实现的气密密封。
本发明的第二实施方式的一个优点是提供了容器152，该容器在其宽度及其长度两者上包含一锥度，以简化最终容器的嵌套(nesting)和解套。如在图11a和图11b中可见，第二带状板114的三角形部分154延伸超过矩形侧壁106的边缘，以对最终容器152的侧面提供一锥度。在所示实施方式中，由三角形部分154提供的锥度是12°，与包含在容器152的前壁108和后壁110中的锥度相同。这由与前壁108和后壁110的角边缘142、144保持45°的带状折叠线113而产生。通过依赖于带状区段的不对称折叠以在容器152的侧面中提供一锥度，横过坯件的折叠线109、111可保持笔直和不中断。这简化了容器的构造。
虽然已经发现，带状凸缘板124与侧凸缘板122之间的结合的强度可免于去除容器盖，但图8所示的开口机构允许容器152打开，同时使盖板116的部分结合至容器152的侧凸缘，以当一旦打开容器152时对该容器提供增加的强度。图11a再次示出了容器开口机构的撕开线150，并在图11b中示出了容器152的开口。前凸缘120向上折叠并在撕开线151处与容器本体分离。前凸缘120保持结合至盖板116，从而形成保持撕开容器的突出部，同时，盖板116在撕开线150处撕开，以使盖板116的部分位于与容器152的侧凸缘结合的撕开线150之外。
本发明不认为限制于上述特殊实例。例如，所述坯件具有大体矩形的基部。这个形状的简单性允许坯件以从较大片材料的最小消耗的方式被切割，然而，如果需要的话，上述各种特征还可应用于许多其他坯件构造。折叠线被描述为形成划痕或折痕，但是，还可能适当地使用其他适合的技术。

Claims (21)

1.一种容器，由折叠的坯件形成，所述容器具有容器本体，所述容器本体由所述坯件的壁板以及位于所述容器本体的边缘处的至少一个凸缘区段形成，其中，所述凸缘区段包括所述坯件的两个重叠凸缘板，并且其中，所述重叠凸缘板结合在一起以保持所述容器本体的形状。
2.根据权利要求1所述的容器，其中，所述重叠凸缘板通过热密封而结合在一起。
3.根据权利要求2所述的容器，其中，能热密封薄膜的层设置在两个所述重叠凸缘板之间，以改善所述重叠凸缘板的结合。
4.根据权利要求3所述的容器，其中，所述能热密封薄膜的层本身通过折叠所述坯件而在两个位置处回折，以在所述能热密封薄膜中提供Z字形折痕。
5.根据前述权利要求中任一项所述的容器，其中，当盖应用至所述容器时，所述重叠凸缘板结合在一起。
6.根据权利要求5所述的容器，其中，通过热密封所述盖以封闭所述容器的工艺，所述重叠凸缘板结合在一起。
7.根据权利要求5或6所述的容器，其中，所述盖包括一条或多条薄弱线，以形成用于所述容器的易破的开口。
8.一种根据前述权利要求中任一项所述的能气密密封的容器。
9.一种坯件，用于形成根据前述权利要求中任一项所述的容器，所述坯件包括壁板，在所述壁板之间具有带状区段，其中，所述重叠凸缘板中的第一重叠凸缘板从每个所述带状区段延伸，并且所述重叠凸缘板中的第二重叠凸缘板从邻近每个所述带状区段的至少一个所述壁板延伸。
10.根据权利要求9所述的坯件，其中，所述带状区段进一步设置有能热密封薄膜的额外区域，以用于夹在所述重叠凸缘板之间，使得所述能热密封薄膜将所述重叠凸缘板结合在一起以形成最终容器的凸缘。
11.根据权利要求10所述的坯件，其中，所述能热密封薄膜的所述额外区域位于所述第一重叠凸缘板的端部与所述第二重叠凸缘板的端部之间。
12.根据权利要求11所述的坯件，其中，所述第一重叠凸缘板的所述端部和所述第二重叠凸缘板的所述端部被切掉，以增大所述能热密封薄膜的面积。
13.根据权利要求9至12中任一项所述的坯件，其中，所述带状区段形成为两部分，在该两部分之间具有折叠线。
14.根据权利要求13所述的坯件，其中，每个所述带状区段的该两部分是不对称的。
15.一种由根据权利要求13或14所述的坯件形成容器的方法，所述方法包括的步骤为，将每个带状区段的第一部分结合至壁板，其中，所述坯件折叠成扁平构造。
16.根据权利要求15所述的方法，所述方法进一步包括以下后续步骤：将所述壁板相对于基板折叠成设定角度；将所述重叠凸缘板从所述壁板向外折叠；以及将所述重叠凸缘板结合在一起。
17.根据权利要求16所述的方法，其中，在填充所述容器之后，将所述重叠凸缘板结合在一起。
18.根据权利要求17所述的方法，其中，通过将盖热密封至所述重叠凸缘板而将所述重叠凸缘板结合在一起。
19.一种容器，基本上如本文参考附图所描述的。
20.一种坯件，基本上如本文参考附图所描述的。
21.一种形成基本上如本文参考附图所描述的容器的方法。
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