CN1654187A - 改进的分配包装 - Google Patents

改进的分配包装 Download PDF

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Publication number
CN1654187A
CN1654187A CNA2004101046884A CN200410104688A CN1654187A CN 1654187 A CN1654187 A CN 1654187A CN A2004101046884 A CNA2004101046884 A CN A2004101046884A CN 200410104688 A CN200410104688 A CN 200410104688A CN 1654187 A CN1654187 A CN 1654187A
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preform
molded
container
seamless
collapsible container
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塞德·法哈
斯里雷姆·R·塔马普雷姆
尼娜·塔尔蕾
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Pepsico Inc
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Pepsico Inc
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Publication of CN1654187A publication Critical patent/CN1654187A/zh
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D77/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B65D77/062Flexible containers disposed within polygonal containers formed by folding a carton blank
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    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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  • Mechanical Engineering (AREA)
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  • Containers Having Bodies Formed In One Piece (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)
  • Cartons (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

一种无缝可收缩容器具有一个模制瓶颈和一个无缝吹模主体部分,其中瓶颈设许为并适合于通过封闭件密封,作为选择,可用于连接到分配装置,而主体部分包括一个内表面、一个外表面和一个壁,其中所述壁足够薄以至主体部分可以收缩,并且模制瓶颈和主体部分的至少一个内层共同包括一个热塑性材料的无缝整体件。这种无缝可收缩容器可以用于如衬袋盒、盒子衬里和饮料袋的应用中。

Description

改进的分配包装
技术领域
本发明涉及用于包装和分配流体特别是液体和可流动粉末的可收缩容器(collapsible container)。具体地说,本发明涉及用于包装的无缝热塑性容器,如“衬袋盒”和饮料盒衬里(beverage carton liner),以及用于饮料袋和饮料盒(drink box)的可再循环替代品。
技术背景
可收缩容器被用于存储和分配各种流体特别是液体和可流动粉末。例如,可收缩容器被用作存储饮料以及其它可流动材料的盒子的衬里。另外,可收缩容器被用于“衬袋盒”(“BIB”)应用中。BIB在各种应用中都很有用。例如,相对便宜的酒就装在BIB中出售,用于存储形成软饮料的浓缩物也装在BIB中,用作存储器具和其它后混合饮料的分配器。软性饮料通过将来自可收缩容器的定量浓缩物与定量水混合而获得。正如本领域公知的一样,水经常是充了碳酸气的。
现有技术的可收缩容器存在两个特别的问题。首先,现有技术的可收缩容器典型情况下由大量密封在一起的热塑性薄片构成,例如通过加热密封或通过粘接剂。例如,属于布恩等人的美国专利No.5749493和属于欧佛曼等人的5941421和6102252(“布恩及欧佛曼专利”)公开了一种由密封在一起的一对柔性薄片制成的可收缩容器。流体可以通过一个穿过柔性薄片之一设置的环形管口而被引入该可收缩容器和从中移走。该管口连接到柔性薄片并使用一种环形凸缘密封。这样就产生了接缝,薄片在接缝处结合并环绕该管口,这样容易泄漏。
另外,现有技术的可收缩容器,如那些与软性饮料储存装置一起使用的可收缩容器,当它们收缩时可以形成口袋,以至容器不能被完全排尽。这经常导致浪费,对消费者来说增加了产品的最终成本。已经提出了很多种减小浪费数量的方法。但是,它们都增加了可收缩容器的复杂性和成本。例如,上面提到的布恩及欧佛曼专利公开了一种可收缩容器,包括至少一个细长的液体通道,为液体从容器的任何部分流到容器管口提供了通道。该液体通道或者是一个或多个肋片,或者是模制在容器中面板的内表面中的凸起,或者是具有至少一对肋片并设置在构成容器相对侧的两个柔性薄片之间的网形条。类似地,分别属于布恩、克莱多、杰里迈亚和弗雷泽等人的美国专利No.5647511、5915596和6045006公开了具有将容器内的液体引至管口的浸渍条的可收缩容器类包装。
属于麦克卡罗等人的美国专利No.4696840和5049349公开了一种衬袋盒组合容器,其中容器的内袋在外盒内采用热塑性预型件吹模形成,外盒用作吹模模具。该文献中没有建议预型件被吹模拉伸以形成袋;也就是说,没有建议将预型件采用拉伸杆纵向拉伸,以及由气体压力扩展。在用于形成袋的公开方法中,一个在其顶端面板内具有开口的外盒竖立并放置在约束装置内,例如金属带罩(band cage)或吹模内。预型件的主体部分被加热并软化,并通过端板中的开口引入竖立的盒中。预型件的顶部留在盒外面。预型件的热主体部分然后由流体,如加压气体或最终BIB的流体容纳物进入盒内的薄壁袋中而扩张。
在麦克卡罗的任一专利中也没有如下内容或建议,即所公开的袋的壁足够薄以至当其容纳物通过管口移出时允许袋收缩。而且,本领域的普通技术人员会料到,当热的、扩张的预型件与盒的内表面接触时,预型件和盒表面将很可能粘接,在倒空时会阻止袋的收缩。相反,麦克卡罗专利认为如果袋在盒内可以移动,可以在盒内的预型件吹模形成之前将粘接剂涂于盒的内表面或者预型件的外表面,以防止袋相对于盒运动,而不是教导袋是可收缩的。当袋倒空时,这将阻止袋在盒内收缩。
但是,可收缩袋对于BIB是很适合的,因为这种袋在收缩时可以使流体容纳物从BIB中平稳流出。这就不需要空气通过管口进入袋中并干扰容纳物从袋中流出,而这在不可收缩的袋中是必需的。因此,流体容纳物从具有不可收缩袋的BIB中平稳流出是不可能的,因为必须进入袋中以替代袋中容纳物的空气在经过管口时必定会通过流体起泡。如果容器是可收缩的,就不需要空气通过管口进入,因为当移走容纳物时可收缩容器外部的空气压力减小了容器的体积,保持容器内外压力相等。
除了麦克卡罗专利以及欧佛曼专利的一个实施例之外,各公开的容器需要一个单独的网形或浸渍条用于引导液体到容器的管口,这增加了容器的成本和复杂性。另外,在上面提到的任何专利中没有建议消除容器相对侧之间以及管口和容器其余部分之间的接缝以减小泄漏的可能性。而且,增加一个阻隔层,如除氧层,需要将面板层压并将多个层密封在一起。这又增加了容器的成本和复杂性。
在本领域中一次性饮料盒和饮料袋也众所周知。典型情况下,饮料盒包括一个纸板盒,与塑料层压在一起并用金属箔片或塑料衬里,在衬里中容纳饮料或酒,典型情况下为非碳酸性果汁。饮料盒内的饮料典型情况下通过吸管消耗。通过用吸管的一端穿透衬里,吸管可以通过纸板盒中的孔插入饮料盒。这种饮料盒公开在属于派瑞曼等人的美国专利No.6129265中。饮料盒也可以包括一个内置的吸管,如属于文的美国专利No.5482202中公开的那样。
类似地,饮料袋典型情况下包括金属箔片和塑料层状体,这里箔片的边缘和塑料边缘被密封以形成袋,这增加了制造成本。如饮料盒一样,袋的一小部分被设计成允许吸管穿透袋的侧边,提供获得饮料的入口。这种袋公开在属于阿尔金斯等人的美国专利No.6116782中。
饮料盒和饮料袋都希望是一次性的,于是产生了固体废弃物问题。不像用于苏打和其它饮料的瓶子,它们是由可再循环塑料,如PET制成。即使说并非不可能,层压饮料盒和饮料袋也很难再循环,因为必须分离不同材料的层。再循环这种容器的成本可能高得惊人。
另外,一旦饮料盒或饮料袋被打开,典型情况下就没有办法重新封闭容器。因此,如果在打开之后没有消耗完所有饮料,就有可能洒落。结果,容器经常在它仍然包含饮料时被扔掉,对消费者来说增加了饮料的单位成本,并且使再循环更加复杂化。
因此,就需要一种可以轻松完全倒空BIB中容纳物的无缝可收缩容器以及饮料盒和饮料袋的可再循环替代品,最好可以充分再密封或封闭以防止泄漏。本发明提供这类容器及用于制造这种容器的方法。
发明内容
本发明涉及新颖的无缝可收缩容器和制作这种可收缩容器并克服现有技术缺陷的方法。本发明的方法包括模制一个热塑性预型件,所述预型件具有一个内表面和一个外表面,并且包括一个瓶颈部分和一个主体部分,其中瓶颈部分设计适合于连接到用于密封主体部分的封闭件,或作为选择,可用于连接到分配装置。该预型件的主体部分然后在吹模模具中进行吹模,而不显著改变瓶颈部分,以提供一种无缝容器,它具有一个内表面、一个外表面和一个足够薄以至容器可以收缩的壁。预型件最好采用PET注射模制。
本发明的方法最好还包括在无缝可收缩容器的壁内形成至少一个与瓶颈功能性连通的倒空通道。该倒空通道可以通过在预型件的内表面中形成至少一个凹槽或肋片而形成,以至当预型件被吹模时,凹槽或肋片扩展以至在无缝可收缩容器的内表面中形成倒空通道,或者通过设计吹模以至在容器内形成至少一个与瓶颈功能性连通的倒空通道而形成。
本发明的无缝可收缩容器包括一个模制瓶颈和一个无缝吹模主体部分,所述模制瓶颈设计适合于通过封闭件密封,作为选择,可用于连接到分配装置。主体部分包括一个内表面、一个外表面和一个壁,所述壁足够薄以至当倒空时主体部分可以收缩,并且模制瓶颈和主体部分的至少一个内层共同由一个热塑性材料的无缝单件构成。
附图说明
图1显示了用于本发明中的一种预型件;
图2显示了图1中的预型件的横截面;
图3显示了用于本发明中的一种多层预型件的横截面;
图4显示了用于本发明中的一种多层预型件的横截面,其中外层延伸到瓶颈;
图5显示了一种注射上面注射(injec-over-injec)的模制装置;
图6显示了一种多层注射模制装置;
图7显示了一种吹模处理;
图8显示了本发明的一种无缝可收缩容器;
图9显示了配备了本发明的无缝可收缩容器的一种衬袋盒的横截面;和
图10显示了配备了本发明的无缝可收缩容器的一种盒子的横截面;
图11显示了本发明的一种带有翻转顶盖的饮料袋,其中翻转顶盖处于封闭位置;
图12显示了本发明的一种带有翻转顶盖的饮料袋,其中翻转顶盖处于打开位置;和
图13显示了本发明的一种带有防洒落盖的饮料袋。
具体实施方式
用在这里,术语“流体”是指液体或可流动粉末。而且,用在这里,术语“无缝容器”是指具有由整体件形成的瓶颈和主体的容器,而不是通过采用加热或粘接剂结合形成一个由各片状材料构成的层状体,和/或具有一个结合或连接到主体的单独瓶颈。
在这里,术语“可收缩容器”是指这样一种容器,该容器除了颈部或瓶颈的壁之外具有基本上比典型的现有技术的碳酸性饮料瓶更薄的壁,如果容器由PET制成,本发明的可收缩容器的壁典型情况下仅仅大约12密耳(0.3mm)厚,优选的是,从大约3至10密耳(大约0.076至大约0.25mm)厚,更优选的是,从大约4至8密耳(大约0.1至大约0.2mm)厚,最优选的是,从大约5至6密耳(大约0.12至大约0.15mm)厚。结果,根据本发明的可收缩容器的壁足够柔软,当它被倒空时,允许至少大约90%,最好基本上所有流体可以从容器流出,而无需将气体引入容器内,仅仅使用重力倒出流体。当流体被移出时,根据本发明的可收缩容器的壁上的空气压力导致壁收缩,按基本等于流出可收缩容器的流体体积的数量减小容器的内部体积,并将容器内的压力保持在大约等于容器外的大气压力。
类似地,如果本发明的可收缩容器为饮料袋,基本上所有的饮料可以由消费者通过一根吸管吸出,而不需要将空气引入饮料袋内,因为袋的壁收缩,按基本等于流出瓶子的流体体积的数量减小容器的内部体积,并保持容器内外的压力相等。
正如本领域的普通技术人员所认识到的,用于碳酸性饮料的现有技术的塑料瓶不是根据本发明的可收缩容器,因为这种瓶的壁足够的厚,即使仅仅很小一部分饮料从瓶内倒出也需要将空气引入瓶中。对于移出超过瓶总容量的一部分液体,瓶壁在正常的大气压力下将不会充分变形,不会以按基本等于流出瓶子的流体体积的数量减小瓶子的内部体积,和以本发明的方式保持瓶子内外的压力基本相等。结果,如果装满饮料的现有技术的瓶被打开并颠倒,当饮料从瓶中流出一定量时空气必定会起泡进入瓶内的饮料中。相比之下,在仅仅大约1个大气压下,本发明的颠倒的可收缩容器中大量流体可以从容器中倒出,而没有空气起泡进入流体,因为容器壁变形,按基本等于流出瓶子的流体体积的数量减小容器的内部体积。
本发明涉及无缝可收缩容器,如用于衬袋盒的袋和饮料盒和饮料袋的可再循环替代品。本发明的无缝可收缩容器通过对一个预型件吹模而形成。该预型件最好注射模制形成,但是可以采用任何本领域公知的制作预型件的方法。用于本发明中的预型件最好包括一个整体的瓶颈和一个主体部分。瓶颈设计为使用传统瓶盖密封,最好允许更有效地从吹模形成的可收缩容器中倒出流体。如果容器为衬袋盒,瓶颈最好连接到一个分配器或装置,用于通过简单的重力流动倒出流体。瓶颈与预型件的主体部分最好注射模制成一个整体件,瓶颈允许使用传统的填充装置填充本发明吹模形成的无缝可收缩容器。尽管并不是必须的,由于当填充时可收缩容器的柔性壁可以扩张容器的体积,配合到倒空设备内的管可以用于使移入或移出无缝容器更方便。
如果本发明的可收缩容器为饮料袋,容器最好通过封闭件或防洒落盖密封。该封闭件可以具有一个可以由吸管穿透的区域,但是,最好包括一个通过铰链,如活动铰链连接到封闭件的盖子或瓶帽。瓶帽或盖子可以翻转到一侧而打开吸管孔,并翻转到位而盖住孔。更优选的是,饮料袋采用防洒落封闭件密封,如在很多运动饮料容器和水瓶中看到的那样。防洒落瓶帽包括一个在第一、低位置密封瓶子并在第二、高位置允许饮料直接从容器中消耗的滑动止动件。对于本领域的技术人员将很容易理解,不管使用哪种密封装置或瓶帽,如果有的话,最好使用一些防伪装置来明显地指示防伪。
特别是在用于衬袋盒的可收缩容器中,本发明的一种吹模形成的可收缩容器最好包括用于改进倒出特性的模制流动通道。当预型件使用注模的型芯模制时,该流动通道可以形成为预型件内部的凹槽或肋片,然后,在吹模中扩张为通道。但是,通道最好在吹模处理过程中通过吹模形成。
无缝可收缩容器典型情况下由至少一种可吹模的热塑性塑料,最好为聚酯热塑性塑料,更优选的是提供无缝透明容器的聚对苯二甲酸乙二醇酯(“PET”)形成。最优选的是,容器由PET和/或PET共聚物形成,所述PET共聚物按重量包括至少异酞酸(“IPA”)、环己烷二甲醇(“CHDM”)、二甘醇(“DEG”)、萘二甲酸酯(“NDC”)和其它衍生物如聚乙二醇中至少一种的约百分之一。另外,也可以使用PET或PET共聚物以及聚萘二甲酸乙二醇酯(“PEN”)的混合物。
容器可以包括一个或多个层,这里各层最好在吹模形成预型件之前形成于预型件上。但是,一旦容器已经被吹模形成,另外的材料层可以施加于容器的内或外表面。这些层最好通过喷涂、浸渍、流涂、火焰喷射和/或注射模制形成于预型件上。典型情况下,在涂覆吹模形成容器比较适合的应用场合,例如涂层在吹模温度下不如用于形成预型件的热塑性塑料柔软的情形下,涂层通过喷涂、浸渍和/或流涂而施加。如果涂层通过喷涂、浸渍和/或流涂施加于预型件或容器,涂层最好使用一种红外辐射(“IR”)源固化。
多层预型件可以使用属于哈钦森的美国专利No.6391408中公开的inject-over-inject(“IOI”)技术形成,其内容在需要说明IOI技术和有用材料的情况下在此引入作为参考。inject-over-inject是一种在现有的注射模制预型件上使用注射模制注射一层或多层热塑性材料的过程。inject-over-inject也可以称为“overinjecting”和“overmolding”。最好当预型件还没有完全固化时一个外层或多个外层被overmolded,以促进各层之间的结合。对于本领域的技术人员将容易理解,用于形成模制到预型件上的各层的材料最好具有与用于形成预型件的材料相似的玻璃态转化温度,以至层叠的预型件不会在吹模过程中裂开、模糊或离层。
各种inject-over-inject使用分层注射模制(“LIM”),其中熔流包括不同材料的多个薄层。如哈钦森‘408专利中所公开的,LIM可以在inject-over-inject中用作LIM-over-inject或inject-over-LIM。当需要时,也可以使用LIM-over-LIM。
可以用于本发明的无缝可收缩容器中的其它层的材料包括除氧材料和具有低气体渗透性的热塑性树脂。本领域中任何已知类型的、与热塑性塑料相容的除氧材料可以用于形成预型件,并且可以被吹模,而预型件不会裂开、模糊或离层。
用于本发明中的对气体如氧气和二氧化碳具有低渗透性的热塑性树脂包括两种树脂。第一种,这里称为“共聚酯阻隔材料”,是对苯二甲酸、异酞酸以及至少一种二醇的共聚酯,如属于贾巴林的美国专利No.4578295中公开的。第二种,这里称为“苯氧基类热塑性塑料”  ,包括羟基功能聚酰胺-醚,如美国专利No.5089588和5143998中描述的,聚羟基酰胺醚,如美国专利No.5134218中描述的,聚醚,如美国专利No.5115075和5218075中描述的,羟官能聚醚,如美国专利No.5164472中描述的,羟官能聚醚磺酰胺,如美国专利No.5149768中描述的,聚羟基酯醚,如美国专利No.5171820中描述的,羟基-苯氧基醚聚合物,如美国专利No.5814373中描述的,和聚羟基氨基醚(“PHAE”),如美国专利No.5275853中描述的。本段中参考的各专利其内容在需要说明共聚酯阻隔材料和苯氧基类热塑性材料的情况下在此被引作参考。其它可以使用的材料包括再循环或消费后PET,但是也不限于此。当然,任何与可消耗物品接触的材料必须经过食品和药物管理机构(FDA)批准。
用于本发明中的预型件可以使用本领域公知的、可以提供无缝热塑性预型件的可用模制方法模制。但是,预型件最好用PET注射模制。一种用于本发明中的预型件10示于图1中,其横截面示于图2中。该预型件10包括一个瓶颈或颈部12、一个主体或主体部分14和一个支撑环16,瓶颈12和主体14在支撑环处无缝结合,并且最好在一次吹模操作中形成为一个整体件。如图所示,瓶颈12包括螺纹18,在主体部分14吹模之后,该螺纹可以用于通过一个封闭件密封产生的容器,如图11至13所示,或者将可收缩容器连接到一个分配或填充装置。但是,瓶颈12的结构并不限于螺纹18,而是可以使用任何允许采用封闭件密封的可用结构,作为选择,可以使用连接到分配或填充装置的结构,如卡口座或压紧配合。
用于本发明的一种多层预型件20的横截面示于图3中。对于图1和2中所示的预型件10,多层预型件20包括一个无缝连接的瓶颈12和主体部分14以及一个支撑环16。主体部分14包括一个内层22以及至少一个外层24,所述内层无缝连接到瓶颈12,最好与瓶颈12模制成整体件。外层24最好由一种热塑性材料制成,该材料将在吹模过程中与内层22一起拉伸,而不会裂开、模糊或离层。外层24也可以延伸到瓶颈12,如图4中预型件30所示。
外层24可以使用本领域的任何可用方法形成,如浸渍、喷涂、流涂、注射模制或火焰喷射。预型件最好使用inject-over-inject方法模制,如图5中所示。使用inject-over-inject方法处理,预型件40在第一模具(未示出)中注射模制在型芯42上,这里型芯42和第一模具都最好是冷的。预型件40和型芯42然后转移到第二冷却模具44中。然后至少一层热塑性树脂通过口41注射模制到形成于外表面46和第二模具44之间的间隙48内的预型件40的外表面46上。冷却之后,获得如图3所示类型的多层预型件。
上面已经提到,多层预型件也可以使用一种分层注射模制系统模制,该系统用于LIM-over-inject,inject-over-LIM或者LIM-over-LIM模制。一种分层注射模制装置49示于图中。尽管装置49适合于LIM-over-inject、inject-over-LIM模制和LIM-over-LIM模制,但是可以使用单个LIM模制步骤制成一个完整的预型件。装置49包括一个进料漏斗50和第二进料漏斗54,前者设计为供应第一种热塑性树脂最好为PET到第一注射缸52,后者设计为供应第二种热塑性树脂如阻隔材料到第二注射缸55。输出端53和56分别以需要的相对数量结合到层生成器57中,并用于形成预型件至少一部分(未示出)。
如图7所示,一种通过本领域公知的任何模制方法形成的无缝预型件60被插入一个带有空腔63的吹模62内,空腔63具有最终容器的形状,该无缝预型件60通过支撑环64支撑在模具62内用于吹模,预型件60的主体部分65位于模具空腔63内,并且瓶颈66位于模具62外面。预型件60可以在模制后马上引入吹模62中,或者可以存放直至使用时。预型件60最好在模制之后马上吹模,这是因为预型件60将仍然保持最初模制处理的热量,并且因此减小另外的加热。本发明的无缝可收缩容器然后使用传统吹模技术模制,包括但是不限于拉伸吹模。
上面已经提到,如果本发明的无缝可收缩容器为用于BIB的袋,容器最好包括至少一个倒空通道,以提高容纳物的分配特性。于是吹模62最好设计成具有至少一个通道模具,用于形成容器中的倒空通道。一种无缝可收缩容器80示于图8中。尽管容器80显示为具有通常为矩形的外形,根据本发明的无缝可收缩容器可以具有任何可用的形状,如圆柱形、球形等。容器80包括一个无缝连接到主体部分84的瓶颈82。如上所述,瓶颈82和主体部分84最好模制成整体件。但是,对于本领域的技术人员将可以认识到,用于形成容器80的预型件的瓶颈和主体部分可以分开模制,然后采用任何本领域公知的、能够提供无缝预型件的方法结合在一起。容器80最好也包括至少一个倒空通道86。
如图9中的横截面所示,容器80被用作衬袋盒90中的袋88,它还包括一个盒92。盒可以沿袋88折叠,或者袋88可以通过盒92中的开口插入,该开口可以用翻转盖密封。盒92最好包括一个用于进入瓶颈82的出口94,它也可以用于将袋88插入盒92中。运输时,开口94可以通过面板93封闭,可以移走所述面板93,用以连接瓶颈到分配装置。
根据本发明的一种容器100也可以用作盒102的衬里,如用于果汁和其它饮料的盒,如图10中横截面所示。容器100被插入盒102中,而瓶颈104位于顶端用作管口。
本发明的一种饮料袋110示于图11和12中,它具有一个封闭件112,最好通过一种柔性或“活”铰链连接到袋110,这里图11是一个分解视图。封闭件112可以包括一个连接到基座118的翻转顶盖116,所述基座设计为密封袋110。袋的封闭件基座118和瓶颈120最好为相适应的螺纹。在图11中,封闭件112显示在封闭位置,在图1中,封闭件112显示在打开位置。基座118形成了一个吸管孔122,当翻转顶盖116封闭时该孔被盖住并密封,以防止泄漏。
本发明的一种带有防洒落帽132的饮料袋130示于图13中。帽132包括一个基座134和一个活动止动器138,其中基座134设计为盖住袋的瓶颈,它可以为本领域公知的任何类型,如图11中所示的瓶颈120,止动器138设计为当向基座134压下时密封帽,并且当拉到上位置时使袋130内的饮料可以饮用。这种防洒落帽在本领域众所周知。帽132还可以包括一个帽盖140。
因此,可以认为本发明已经参考目前设计的特别的最佳实施例得到说明。但是本发明并不限于这里公开的实施例,并且可以认为本领域的技术人员将可以设计很多修改例和其它实施例。因此,希望所附的权利要求书覆盖落在本发明的精神和范围内的所有这些修改例和实施例。

Claims (37)

1.一种制作无缝可收缩容器的方法,包括:
获得一个热塑性预型件,所述预型件具有一个内表面和一个外表面,并且包括一个瓶颈部分和一个主体部分,其中瓶颈部分设计为适合于与用于密封主体部分的封闭件连接,作为选择,也可用于连接到一分配装置;和
在吹模模具中吹模该预型件的主体部分,而不显著改变瓶颈部分,以提供一无缝容器,该无缝容器具有一个内表面、一个外表面和一个足够薄以至容器可以收缩的壁。
2.根据权利要求1所述的方法,其中热塑性材料包括至少一种芳族聚酯。
3.根据权利要求1所述的方法,其中热塑性材料包括PET。
4.根据权利要求1所述的方法,还包括模制所述热塑性材料以获得所述预型件。
5.根据权利要求4所述的方法,其中预型件模制步骤包括注射模制。
6.根据权利要求5所述的方法,其中预型件模制步骤包括LIM-over-inject模制、inject-over-LIM模制、LIM-over-LIM模制中至少一种。
7.根据权利要求6所述的方法,其中至少一个注射步骤包括在预型件上模制一层再循环或消费过的PET。
8.根据权利要求4所述的方法,其中预型件模制步骤包括一种具有第一和第二注射步骤的inject-over-inject模制技术。
9.根据权利要求8所述的方法,其中第二注射步骤包括在预型件上模制一层消费过的PET。
10.根据权利要求4所述的方法,其中预型件模制步骤包括在预型件的内表面中形成至少一个凹槽,当预型件被吹模时,凹槽扩展以在无缝可收缩容器的内表面中形成一倒空通道。
11.根据权利要求1所述的方法,还包括用至少一种热塑性材料涂覆预型件。
12.根据权利要求11所述的方法,其中涂覆步骤包括在预型件上用包括苯氧基类化合物和共聚酯阻隔材料中的至少一种涂覆一层。
13.根据权利要求12所述的方法,其中苯氧基类化合物为聚羟基氨基醚。
14.根据权利要求11所述的方法,其中涂覆步骤包括将一个涂层通过浸渍涂覆、喷涂涂覆和流涂之一施加到预型件上。
15.根据权利要求14所述的方法,还包括用一个IR源固化涂层。
16.根据权利要求1所述的方法,还包括将至少一层热塑性塑料注射模制到预型件上。
17.根据权利要求16所述的方法,其中所述层包括消费过的PET。
18.根据权利要求1所述的方法,其中吹模步骤包括在容器内形成至少一个与瓶颈功能性连通的倒空通道。
19.根据权利要求1所述的方法,还包括在一个盒中定位吹模容器,由此形成衬袋盒。
20.根据权利要求1所述的方法,还包括将至少一种阻隔材料施加到吹模容器的外表面上。
21.根据权利要求20所述的方法,其中涂覆步骤包括在预型件上涂覆包括苯氧基类化合物和共聚酯阻隔材料中的至少一种的一层。
22.根据权利要求21所述的方法,其中苯氧基类混合物为聚羟基氨基醚。
23.根据权利要求20所述的方法,其中涂覆步骤包括将一个涂层通过浸渍涂覆、喷涂涂覆和流涂之一施加到预型件上。
24.根据权利要求20所述的方法,还包括用一个红外辐射源固化涂层。
25.根据权利要求1所述的方法,还包括将一个封闭件连接到瓶颈以提供一种饮料袋,其中所述封闭件设计为接受一个吸管,或者为一个防洒落帽,包括一个在第一、低位置密封瓶子并在第二、高位置允许饮料直接从容器中消耗的滑动止动件。
26.一种无缝可收缩容器,包括:
一个模制瓶颈,设计为适合于由一封闭件密封,作为选择,也可用于连接到一分配装置,或插入一吸管;和
一个无缝吹模主体部分,包括一个内表面、一个外表面和一个壁,其中所述壁足够薄以至主体部分可以收缩,并且模制瓶颈和主体部分的至少一个内层共同包括一个热塑性材料的无缝整体件。
27.根据权利要求26所述的无缝可收缩容器,其中热塑性材料包括聚酯。
28.根据权利要求26所述的无缝可收缩容器,其中热塑性材料包括PET。
29.根据权利要求26所述的无缝可收缩容器,其中热塑性材料包括PET。
30.根据权利要求26所述的无缝可收缩容器,至少在主体部分的壁的外表面上还包括至少一层热塑性材料。
31.根据权利要求30所述的无缝可收缩容器,其中所述层包括消费过的PET、苯氧基类化合物、聚羟基氨基醚和共聚酯阻隔材料中的至少一种。
32.根据权利要求30所述的无缝可收缩容器,其中所述层被吹模形成。
33.根据权利要求26所述的无缝可收缩容器,其中容器为饮料袋。
34.根据权利要求33所述的无缝可收缩容器,其中饮料袋包括一个设计为允许插入吸管的封闭件或者为一防洒落封闭件。
35.一种衬袋盒,包括根据权利要求26所述的无缝容器。
36.一种衬袋盒,包括:
一个分配盒和一个位于盒子形成的内部容积中的无缝可收缩容器,所述无缝可收缩容器包括:
一个模制瓶颈,设计适合于由一封闭件密封;和
一个无缝吹模主体部分,包括一个内表面、一个外表面和一个壁,其中所述壁足够薄以至主体部分可以收缩,并且模制瓶颈和主体部分的至少一个内层共同包括一个热塑性材料的无缝整体件。
37.根据权利要求36所述衬袋盒,其中盒子为饮料盒。
CNA2004101046884A 2003-12-19 2004-12-17 改进的分配包装 Pending CN1654187A (zh)

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