CN106255648B - 用于容器的混合封闭设备 - Google Patents

用于容器的混合封闭设备 Download PDF

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CN106255648B
CN106255648B CN201580022623.1A CN201580022623A CN106255648B CN 106255648 B CN106255648 B CN 106255648B CN 201580022623 A CN201580022623 A CN 201580022623A CN 106255648 B CN106255648 B CN 106255648B
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CN106255648A (zh
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M.普雷奇
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RPC Bramlage GmbH
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C45/14467—Joining articles or parts of a single article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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    • B65D51/24—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes
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    • B65D51/2807—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container
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    • B65D51/00—Closures not otherwise provided for
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    • B65D51/28—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials
    • B65D51/2807—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container
    • B65D51/2857—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container the additional article or materials being released by displacing or removing an element enclosing it
    • B65D51/2892—Closures not otherwise provided for combined or co-operating with auxiliary devices for non-closing purposes with auxiliary containers for additional articles or materials the closure presenting means for placing the additional articles or materials in contact with the main contents by acting on a part of the closure without removing the closure, e.g. by pushing down, pulling up, rotating or turning a part of the closure, or upon initial opening of the container the additional article or materials being released by displacing or removing an element enclosing it the element, e.g. a valve, opening an aperture of the auxiliary container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/32—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging two or more different materials which must be maintained separate prior to use in admixture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/006—PBT, i.e. polybutylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2667/00—Use of polyesters or derivatives thereof for preformed parts, e.g. for inserts
    • B29K2667/006—PBT, i.e. polybutylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
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Abstract

本发明涉及一种用于容器(2)的封闭设备(1)，其包括用于封闭容器(2)的盖元件(3)、布置在盖元件(3)上的腔室(5)和内壳体(4)。腔室(5)具有带有借助封闭件(6)封闭的排放口(7)的腔室端部件(9)。内壳体(4)包括用于打开排放口(7)的打开件(8)，其中，腔室(5)能够相对于内壳体(4)从封闭位置运动到排放位置中。腔室(5)和腔室端部件(9)借助注塑在腔室(5)和腔室端部件(9)上的塑料密封件(10)液密且气密地相连，其中，腔室(5)、腔室端部件(9)和塑料密封件(10)由相同的塑料构成。此外，本发明同样还涉及一种用于制造封闭设备或腔室的方法。

Description

用于容器的混合封闭设备
本发明涉及一种用于容器、尤其饮料瓶的封闭设备，其中，所述封闭设备具有用于封闭容器的盖元件、布置在盖元件上的腔室和内壳体，其中，腔室具有带有可借助封闭件被封闭的排放口的腔室端部件，其中，内壳体具有用于打开排放口的打开件，并且其中，腔室能够相对于内壳体从封闭位置移动到排放位置中，其中，在排放位置中腔室与容器之间的排放通道被开放，从而使存储在腔室内的介质能够排出到容器中。
前述类型的封闭设备在现有技术中是已知的。所述封闭设备(以及容器)通常由聚乙烯(PE)或聚丙烯(PP)制成。封闭设备用于封闭容器、例如饮料瓶，并且同时提供用于单独存储液态或粉末状配料、例如茶叶提取物的腔室，从而配料只有在封闭设备从容器上去除的瞬间才被加入容器中，并且配料在容器中例如与水接触和/或混合。这通常是用户例如想要喝光容器中的饮料的时刻。
例如文献WO 2007/129116A1涉及一种封闭设备，其中，盖元件具有突伸进容器的壁件，所述壁件限定用于存储介质的腔室的边界。该腔室的壁件与腔室端部件相连，所述腔室端部件在端侧以插接方式包围腔室。腔室端部件具有排放口，在所述排放口中设有一个布置在内壳体上的封闭元件。在将盖元件从容器上移除时，盖元件和与此同时还布置在盖元件上的腔室都从内壳体上移除。由此封闭件插入腔室端部件的排放口的内部，其中，排放口被开放并且存储在腔室中的介质可以流出到容器中。
这种已知的封闭设备的弊端在于，腔室和盖元件一件式地构成，从而使腔室的壁件以及盖元件的壁件都由PP或PE构成。然而塑料不能构成对气体、例如氧气或二氧化碳的充足的屏障。此外，已知的盖元件在制造方面相对耗费时间且成本昂贵。
文献WO 2012/175934 A2涉及一种封闭设备，所述封闭设备具有盖元件和布置在该盖元件上的腔室。腔室通过盖元件的材料被注塑包封。注塑包封同样也是耗费材料和耗费时间的，因为必须用盖元件的材料注塑包封腔室直到腔室端部件，以便确保腔室相对于气体、例如氧气和二氧化碳的理想的密封性，也即阻隔性。
因此本发明所要解决的技术问题在于，提供一种封闭设备，其中，腔室和腔室端部件能够迅速、成本低廉且特别液密以及气密地相连。
相应地，本发明建议一种封闭设备，其中，腔室和腔室端部件借助注塑在腔室和腔室端部件上的塑料密封件液密且气密地相连，其中，腔室、腔室端部件和塑料密封件由相同的塑料构成。
根据本发明，腔室在此与腔室端部件和塑料密封件制造成相对于盖元件独立的单元。由此额外地实现了优点，即，作为用于腔室、腔室端部件和塑料密封件的材料可以选用与盖元件的材料不同的塑料、尤其是具有更大密度的和/或提供适用于例如氧气和二氧化碳的屏障的材料。通过本发明还提供一种液密和气密的单元，所述液密和气密的单元仅需例如通过简单的夹紧连接装置再与盖元件相连。借助注塑的塑料密封件可以现在直接通过气密和液密的材料制成腔室和腔室端部件，使得例如通过盖元件的材料实施大面积的注塑包封的额外密封或额外加固是多余的。这尤其有利的是，如优选地，被填充的腔室相对于环境处于过压。过压可以适合地通过气垫实现。
有利地，腔室在时间上前置的制备步骤中准备完全用于组装在盖元件上。腔室尤其可以首先准备带有腔室端部件和必要时其他密封元件。尤其可以例如额外地预组装布置在腔室与腔室端部件之间和/或在腔室端部件与排放口、也即封闭件之间的密封元件(密封橡胶)。通过根据本发明的塑料密封件随后注塑在腔室和腔室端部件上，腔室和腔室端部件气密且液密地相连并且构成一件式的腔室单元，所述腔室单元能够在后续的制备步骤中与盖元件相连。通过塑料密封件在腔室和腔室端部件上的注塑使腔室和腔室端部件至少部分软化，从而得到腔室、塑料密封件和腔室端部件的液密且气密的连接。
根据本发明，腔室、腔室端部件和塑料密封件由相同的塑料、优选热塑性塑料制成。尤其建议，所述塑料具有1.1g/m3至1.5g/m3之间、特别优选1.20g/m3至1.45g/m3之间的密度。所述塑料尤其可以是聚对苯二甲酸丁二醇酯(PBT)。作为备选，也可以考虑使用聚对苯二甲酸乙二醇酯(PET)。由于无论腔室和腔室端部件还是塑料密封件都由相同的塑料构成，能够使腔室、腔室端部件和塑料密封件通过塑料密封件在腔室和腔室端部件上的纯粹注塑而特别简单地相连。通过注塑使得腔室和腔室端部件都至少在部分区域中软化，从而通过随后塑料的冷却形成液密且气密的焊接。优选地，作为塑料选用聚对苯二甲酸丁二醇酯(PBT)，该聚对苯二甲酸丁二醇酯(PBT)在现有技术中通常提供为用于腔室的材料。这尤其用于保证相对气体、例如氧气和二氧化碳的阻隔作用。事实上，还可以额外地构成由PBT制成的腔室端部件，从而使腔室端部件不显示出对于液体或气体的泄露。作为补充，通过注塑的塑料密封件实现对密封性的进一步提升，并且同时还强化了腔室与腔室端部件之间的(作为插接补充的)机械连接。
作为补充规定，腔室圆柱形地构成，其中，腔室端部件和塑料密封件基本上环形地构成。通过这种几何设计特别简单的是，根据本发明的封闭设备与圆柱形的容器、例如饮料瓶匹配。腔室端部件在此环形地构成，其中，腔室端部件的中央开有排放口。塑料密封件同样环形地构成，从而使塑料密封件能够形状配合式连接地施加在腔室端部件和腔室上。
最后建议，腔室端部件的腔室端侧形状配合式连接地插进腔室中，其中，在腔室与腔室端部件之间构成用于布置塑料密封件的间隙。无论腔室的壁件还是腔室端部件在此都可以成型为，使得壁件和腔室端部件的相互面对的表面不完全接触，而是具有例如特别成型的端部区域，该端部区域构成相互间的间隙。在该间隙中可以注射用于构成塑料密封件的材料，由此扩大在塑料密封件与腔室之间的接触面或以及塑料密封件与腔室端部件之间的接触面。由此额外地强化腔室与腔室端部件之间的连接的机械稳定性和密封性。
除了之前阐述的封闭设备之外，通过本发明同样还建议一种腔室，该腔室具有带有可借助封闭件封闭的排放口的腔室端部件，其中，腔室和腔室端部件借助注塑在腔室和腔室端部件上的塑料密封件液密且气密地相连，其中，腔室、腔室端部件和塑料密封件由相同的塑料构成。建议的腔室尤其建议用于如上所述的封闭设备。根据本发明的腔室构成预制的一件式的单元，该一件式的单元能够与封闭设备、尤其盖元件的其余部件相连。有利地，腔室圆柱形地构成，其中，腔室端部件和塑料密封件基本上环形地构成。最后还建议一种腔室，其中，腔室端部件形状配合式连接地插进腔室中，其中，在腔室与腔室端部件之间构成用于布置塑料密封件的间隙。
作为对上述技术方案的补充，本发明同样还建议用于制造封闭设备或腔室的方法，其中，所述方法包括以下步骤：
提供腔室，
提供腔室端部件，该腔室端部件由与腔室相同的塑料构成，
将腔室端部件形状配合式连接地插进腔室的端部区域中，
将塑料密封件注塑在腔室和腔室端部件上，其中，塑料密封件由于腔室和腔室端部件相同的材料构成，从而使腔室和腔室端部件液密且气密地相连。
此外还建议，塑料密封件注塑到腔室与腔室端部件之间构成的间隙中。
以下结合实施例更加详尽地阐述本发明。在此示出：
图1是根据本发明的处于封闭位置中的封闭设备，其带有注塑在腔室和腔室端部件上的塑料密封件，
图2是处于排放位置中的根据图1的封闭设备，
图3是处于完全与容器分离的位置中的根据图1的封闭设备。
图1中所示的封闭设备1已经预组装地旋拧在容器2上。容器2例如是普通的塑料饮料瓶。
封闭设备1具有盖元件3、布置在盖元件3上的腔室5和布置在容器2上的内壳体4。容器2通过第一螺纹对14与内壳体4相连。内壳体4又通过第二螺纹对15与盖元件3相连。腔室5例如借助夹紧连接装置布置在盖元件3上，其中，盖元件3的材料仅在腔室5的总长度的部分长度上延伸。在本实施例中，盖元件3的材料大致覆盖腔室5的侧壁的总长度的五分之一。
在内壳体4上设有打开件8和封闭件6，其中，打开件8和封闭件6根据该实施例构成为一件式的阻塞元件。该阻塞元件伸进腔室5的排放口7中。打开件8由此根据该实施方式与内壳体4相连，从而使内壳体4的材料部分地注塑在打开件8的边缘区域上。
腔室5在其背离盖元件3的端部区域中具有腔室端部件9，该腔室端部件9环形地构成并且提供排放口7。在腔室端部件9与阻塞元件伸进排放口7中的封闭件6之间还设有密封元件12、例如密封橡胶或具有橡胶性质的聚合体、尤其由丁腈橡胶制成的聚合体，与封闭件6相连的所述密封元件根据封闭件6的位置要么封闭要么开放排放口7。在所示的封闭位置中，在排放口7最狭窄的开口横截面内部具有封闭件6的突出部，该突出部液密且气密地封闭排放口7。
在制造所示封闭设备1时，有利地首先制造由腔室5、腔室端部件9、塑料密封件10和优选密封元件12构成的预制的单元。为此，腔室端部件以插接的方式插进腔室5的开口的端部区域中。腔室端部件9额外优选地与密封元件12形状配合式连接地相连，该密封元件一方面密封与腔室5的接触区域而另一方面密封与封闭件6的接触区域。通过腔室5和腔室端部件9的端部区域的形状构成间隙11，塑料材料注射进该间隙11中，从而构成塑料密封件10。通过待注塑的塑料密封件10的高温使腔室5和腔室端部件9至少部分熔化，尤其因为塑料密封件、腔室和腔室端部件以相同的材料制成并且由此具有相同的熔点。在硬化之后形成由腔室5、腔室端部件9、塑料密封件10和密封元件12构成的单元。该单元现在可以例如借助夹接装置与盖元件3相连。
随后，盖元件3和内壳体4通过第二螺纹对15相连。由此制成的封闭设备1然后与容器2相连。为此，封闭设备1的内壳体4借助第一螺纹对14与容器2螺纹连接。
图2示出处于排放位置中即在操作封闭设备1之后的封闭设备1。通过封闭设备1相对于容器2(沿第二螺纹对15)的打开运动，盖元件3并因此和布置在盖元件3上的腔室5从内壳体4移开，也即根据图1向上移开，由此改变封闭件6在腔室5的排放口7内部的位置。封闭件6优选静止不动，而容器2相对于封闭件6运动。在此开放打开件8内部的排放通道13，从而使存储在腔室5中的介质能够排出到容器2中。在盖元件3从容器2继续拧开时，盖元件3与内壳体4之间构成的螺纹到达最终位置，其中，盖元件3和内壳体4不能再继续相对旋转。由此借助内壳体4与容器2之间构成的第一螺纹14继续旋转运动，从而最终导致封闭设备1从容器2完全拧开。
图3示出完全与容器2脱离的封闭设备1。在此，封闭件6在排放口7内部位于最终位置中，在该最终位置中，排放口7借助封闭件6的相应成型的端部区域被封闭，从而避免从腔室5中再渗漏。
附图标记清单
1 封闭设备
2 容器
3 盖元件
4 内壳体
5 腔室
6 封闭件
7 排放口
8 打开件
9 腔室端部件
10 塑料密封件
11 间隙
12 密封元件
13 排放通道
14 第一螺纹对
15 第二螺纹对

Claims (14)

1.一种用于容器(2)的封闭设备(1)，
-其中，所述封闭设备(1)具有用于封闭容器(2)的盖元件(3)、布置在所述盖元件(3)上的腔室(5)和内壳体(4)，
-其中，所述腔室(5)具有带有借助封闭件(6)封闭的排放口(7)的腔室端部件(9)，
-其中，所述内壳体(4)具有用于打开所述排放口(7)的打开件(8)，并且
-其中，所述腔室(5)能够相对于所述内壳体(4)从封闭位置运动到排放位置中，其中，在所述排放位置中，所述腔室(5)与所述容器(2)之间的排放通道(13)被开放，从而使存储在腔室(5)中的介质能够排出到所述容器(2)中，
其特征在于，所述腔室(5)和所述腔室端部件(9)借助注塑在腔室(5)和腔室端部件(9)上的塑料密封件(10)液密且气密地相连，其中，腔室(5)、腔室端部件(9)和塑料密封件(10)由相同的塑料构成，其中，腔室能够与腔室端部件和塑料密封件构造成相对于盖元件独立的单元。
2.根据权利要求1所述的封闭设备(1)，其特征在于，所述容器是饮料瓶。
3.根据权利要求1所述的封闭设备(1)，其特征在于，腔室(5)、腔室端部件(9)和塑料密封件(10)由热塑性塑料构成。
4.根据权利要求1所述的封闭设备(1)，其特征在于，腔室(5)、腔室端部件(9)和塑料密封件(10)由具有1.1g/m3至1.5g/m3之间的密度的塑料构成。
5.根据权利要求1所述的封闭设备(1)，其特征在于，腔室(5)、腔室端部件(9)和塑料密封件(10)由具有1.20g/m3至1.45g/m3之间的密度的塑料构成。
6.根据权利要求1所述的封闭设备(1)，其特征在于，所述塑料是聚对苯二甲酸丁二醇酯(PBT)。
7.根据权利要求1所述的封闭设备(1)，其特征在于，所述腔室(5)圆柱形地构成，其中，腔室端部件(9)和塑料密封件(10)环形地构成。
8.根据权利要求1所述的封闭设备(1)，其特征在于，所述腔室端部件(9)形状配合式连接地插进腔室(5)中，其中，在腔室(5)与腔室端部件(9)之间构成用于布置塑料密封件(10)的间隙(11)。
9.一种用于根据权利要求1至6中任一项所述的封闭设备(1)的腔室(5)，其中，所述腔室(5)具有带有借助封闭件(6)被封闭的排放口(7)的腔室端部件(9)，其特征在于，所述腔室(5)和所述腔室端部件(9)借助注塑在腔室(5)和腔室端部件(9)上的塑料密封件(10)液密且气密地相连，其中，腔室(5)、腔室端部件(9)和塑料密封件(10)由相同的塑料构成。
10.根据权利要求9所述的腔室(5)，腔室(5)、腔室端部件(9)和塑料密封件(10)由聚对苯二甲酸丁二醇酯(PBT)构成。
11.根据权利要求9所述的腔室(5)，其特征在于，所述腔室(5)圆柱形地构成，其中，腔室端部件(9)和塑料密封件(10)环形地构成。
12.根据权利要求9所述的腔室(5)，其特征在于，所述腔室端部件(9)形状配合式连接地插进所述腔室(5)中，其中，在腔室(5)与腔室端部件(9)之间构成用于布置所述塑料密封件(10)的间隙(11)。
13.一种用于制造根据权利要求1至8中任一项所述的封闭设备(1)或根据权利要求9至12中任一项所述的腔室(5)的方法，其特征在于以下步骤：
a.提供腔室(5)，
b.提供腔室端部件(9)，所述腔室端部件由与所述腔室(5)相同的塑料构成，
c.将腔室端部件(9)形状配合式连接地插进所述腔室(5)的端部区域中，
d.将塑料密封件(10)注塑在腔室(5)和腔室端部件(9)上，其中，所述塑料密封件(10)由与所述腔室(5)和所述腔室端部件(9)相同的塑料构成，从而使腔室(5)和腔室端部件(9)液密且气密地相连。
14.根据权利要求13所述的方法，其特征在于，将所述塑料密封件(10)注塑到构造于腔室(5)与腔室端部件(9)之间的间隙(11)中。
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