CN1295119C - 开启装置 - Google Patents

开启装置 Download PDF

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CN1295119C
CN1295119C CNB018209904A CN01820990A CN1295119C CN 1295119 C CN1295119 C CN 1295119C CN B018209904 A CNB018209904 A CN B018209904A CN 01820990 A CN01820990 A CN 01820990A CN 1295119 C CN1295119 C CN 1295119C
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opening device
film
pull unit
described opening
draw ring
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CN1496325A (zh
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H·霍尔姆
L·斯蒂勒鲁德
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Tetra Laval Holdings and Finance SA
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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
    • B65D41/00Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • 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
    • B65D15/00Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials
    • B65D15/02Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums
    • B65D15/04Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper
    • B65D15/08Containers having bodies formed by interconnecting or uniting two or more rigid, or substantially rigid, sections made of different materials of curved, or partially curved, cross-section, e.g. cans, drums with curved, or partially curved, walls made by winding or bending paper with end walls made of plastics material
    • 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
    • B65D17/00Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4011Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab
    • 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
    • B65D51/00Closures not otherwise provided for
    • B65D51/18Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
    • B65D51/20Caps, lids, or covers co-operating with an inner closure arranged to be opened by piercing, cutting, or tearing
    • 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
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0006Upper closure
    • B65D2251/0015Upper closure of the 41-type
    • 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
    • B65D2251/00Details relating to container closures
    • B65D2251/0003Two or more closures
    • B65D2251/0068Lower closure
    • B65D2251/0071Lower closure of the 17-type
    • 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
    • B65D2517/00Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001Details
    • B65D2517/001Action for opening container
    • B65D2517/0013Action for opening container pull-out tear panel, e.g. by means of a tear-tab
    • 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
    • B65D2517/00Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001Details
    • B65D2517/0058Other details of container end panel
    • B65D2517/008Materials of container end panel
    • B65D2517/0083Rigid plastic

Abstract

本发明涉及一种开启装置,所述装置包括与拉动装置(12)相连接的膜(11)。其中所述拉动装置(12)在其相对端部(13、14)处与所述膜(11)相连接以便于限定出一个拉环。弱化部分(15、16)设在所述相对端部处以便于开始膜的撕裂。

Description

开启装置
                        技术领域
本发明涉及一种包装容器,具体涉及用于包装容器的开启装置。
                        背景技术
如今,对于牛奶、果汁和其他饮料来说,存在多类型型和尺寸的消费包装,例如层压纸/塑料的平行六面体(parallel epipedic)包装、完全用塑料制成的吹塑瓶子或杯子以及用玻璃、金属片材或铝制成的各种容器。这些多种不同的包装都包括开启装置以便于帮助消费者接触到包装的内容物,将其倒入饮用器皿中或者从包装中直接饮用。在包装是以瓶状的方式形成的情况下,常用的解决手段是使用螺旋帽,而用塑料或层压纸/塑料制成的包装通常包括简单的撕口或由适合于被撕掉的带(所谓的拉片)所覆盖的预制倾倒口。已知有用热塑性材料独立地制成的开启装置,例如具有倾倒边缘或短颈以及搭锁帽或螺旋帽的注塑开启装置。这种开启装置还可被就地注塑,即,注塑在从包装材料中穿孔而成的开口周围,因此在消费者打开所述开启装置之前使该开口一直被封闭。当然,注塑而成的开启装置也可具有不同的尺寸,并且所述开启装置甚至可覆盖包装容器的整个上表面,从而使它们可起到包装容器的侧面板的作用。
特别是,对于上述注塑开启装置,通常用可被拉掉的膜密封倾倒口,其中所述膜一方面保证了开启装置在被开启之前是完全密封的,另一方面用于表明所述包装在此之前未被打开过(防伪造)。对于这种具有用于再封盖的螺旋或搭锁帽的开启装置,通常也使用所述膜。为了使得所述膜可移除,所述膜可装有某种夹持或拉动装置,这使得消费者可获得牢固的拉手以有助于最初的开启。甚至在所述膜与周围开启装置或包装的周围部分分开的情况中,由于尽管弱线具有明显的弱化目的,但是也不允许削弱材料强度以致于出现破损和泄漏,因此在某些情况中最初的撕裂会有一定困难。早期用以消除最初撕裂困难方面的努力基本上都致力于通过确保弱线具有最小残余材料厚度而使得所需力最小化,但是由于制造公差比较大,因此为了确保不发生泄漏必须存在较大的材料厚度。有助于最初撕裂的其他可能性当然是提供具有坚固拉环的夹紧装置或类似的抓持部分,使得消费者可在最初撕裂时在膜上施加较大的拉力。
                        发明内容
因此,通常期望提供可在不出现上述任何缺点的情况下有助于膜的最初撕裂的上述类型的开启装置。
本发明提供一种用于包装的开启装置,所述装置包括:可去除的膜11以及与所述膜11相连接的拉动装置12,其中所述拉动装置12适合于在所述膜11的至少一部分上延伸,并且所述拉动装置12在其相对端部13、14处与所述包装的一部分相连接以便于形成拉环,所述拉环是为了能够去除所述膜11而形成的,其特征在于,所述拉动装置12在所述端部13、14处固定地与所述膜11相连接,并且有助于所述膜11最初撕裂的弱化部分15、16;23、24被设在所述端部13、14处
因此本发明的一个目的是提供一种上述类型的开启装置,所述开启装置是如此设计的,即,在不增加非故意泄漏的危险的情况下,能够便于提供最初撕裂膜必需的拉力。
本发明的另一个目的是提供一种开启装置,通过所述开启装置可容易地去除所述膜,而与所施加拉力的方向无关。
本发明的另一个目的是提供一种开启装置,通过所述开启装置使得在撕裂掉膜的过程中出现拉动装置损坏,尤其是在最初撕裂过程中拉动装置损坏的危险的可能性最小化。
                        附图说明
下面,将参照附图详细描述本发明所涉及的开启装置的优选实施例。这些附图只是示出了便于理解本发明的重要细节。
图1示出了本发明所涉及的开启装置的第一实施例的透视图。
图2示出了图1的实施例的透视图,通过所述图1中实施例开始了所述膜的撕裂。
图3示出了本发明所涉及的开启装置的第二实施例的透视图。
图4示出了图3的实施例的截面图。
图5示出了直接从下面所看到的图3的实施例
                    具体实施方式。
在附图中以其最简单的形式示出了本发明所涉及的开启装置的优选实施例,即,只示出了便于理解本发明的重要细节。然而可以看出,本发明所涉及的开启装置可与已知的不同种开启装置结合成一体。因此,本发明的该实施例例如可与不同类型的倾倒边缘、管状颈部以及不同类型的外盖(诸如螺旋盖或搭锁盖)相结合。本发明的开启装置也可被放置在已知包装容器的不同侧表面上,或者构成任意包装容器的大端面或小端面的一部分。本发明的开启装置在包装容器上的位置或任何围绕元件诸如倾倒边缘、外盖等不影响开启装置的操作,因此,在该方面将不作更详细的描述。
最好在那类构成包装容器的注塑端面一部分的开启装置的情况下使用本发明。
依照本发明的开启装置10的所示实施例包括膜11,所述膜11通过注塑操作与开启装置10的周围部分成为一体。拉环12形式的拉动装置从膜11延伸并且在拉环12的相对端13、14与膜11相连接。膜11是圆形的,并且拉环12沿直径方向横跨膜11。依照本发明的开启装置10由热塑性材料制成,所述热塑性材料具有挠性、弹性并且可沿着膜的周边撕开。在所示的实施例中,通过注塑使开启装置10与包装容器18的端面17以整体的方式形成。开启装置10形成有设有外螺纹20的颈部19,螺旋盖(未示出)适合于安装在所述颈部19上。在US-A-4,934,585中示出了该主要类型的开启装置。或者,可将所述开启装置直接施加于端面,从而膜最好以可枢转的咬合盖的方式构成。
依照本发明的第一实施例,加强脊21、22以与在拉环12和膜11之间的接头13、14相结合的方式设在膜11的顶部。弱线15、16沿从接头13、14径向向内延伸的方式形成于膜11中。在所示的实施例中,弱线15、16适合于延伸得比膜11半径的一半略长。
弱线15、16适合于沿着拉环12的相对侧延伸。
在去除膜11时,消费者最好通过使一个手指穿过由拉环12与膜11所形成的开口中而抓住拉环12。在沿包装容器18的纵向方向所施加的拉力下,膜11将在连接点13、14处与颈部19的顶侧相分离。首先,将沿弱线15、16中的一个以及沿膜11的与所述弱线相连接的周边的较小部分出现开口。在进一步施加拉力的情况下,相应的开口将出现在另一个弱线15、16处,从而达到图2中所示的状态。此后沿已出现开口的周边部分出现进一步的撕裂,直到已将膜11从包装容器上去除。
以上所描述的过程是理想的过程。如果拉力不是主要沿包装容器的纵向方向施加的话,开口可能最初出现在上述连接点13、14中的一个处,从而将沿膜的周边(沿膜周长的大约一半)出现进一步的撕裂。此后一方面将沿膜的所述周边出现进一步的撕裂,另一方面将沿周边在与所述一个连接点相反的方向上出现进一步的撕裂。
依照本发明,在不会出现拉环12从其与膜11的连接处分离的危险的情况下,确保了最初的撕裂出现在连接点13、14的至少一个处,与所施加拉力的方向无关。在所施加的拉力为横向方向的情况下,拉环12将起到杠杆的作用以使得开口最初将相对于所施加的拉力沿布置于加强脊21、22相对侧上的弱线15、16出现。
依照第二实施例,膜11与颈部19的连接处在拉环12与膜11的每个连接点13、14处的膜11的下侧上形成有碗状局部弱化的或部分球状形式的凹痕或凹槽23、24。以凹痕的方式形成的两个弱化部分23、24在膜11的几何平面中具有延伸部分,所述延伸部分略小于拉环12的连接点13、14的对应的延伸部分并起到断裂始点的作用。
在去除膜11时,消费者最好通过使一个手指穿过由拉环12与膜11所形成的开口中而抓住拉环12。在沿包装容器18的纵向方向所施加的拉力下,膜11将在连接点13、14中的一个处与颈部19的顶侧相分离。另外沿不同于包装容器纵向的其他方向所施加的拉力将导致膜11在连接点中的一个处的分离。在进一步施加拉力时,取决于连续的撕裂是沿倾斜方向还是沿基本上垂直的方向持续的,撕裂将远离最初断裂处沿一个或两个方向持续。
依照本发明,在不会出现拉环12从其与膜11的连接处分离的危险的情况下,确保了最初的撕裂出现在连接点13、14的至少一个处,与所施加拉力的方向无关。在所施加的拉力为横向方向的情况下,拉环12将起到杠杆的作用以使得开口将出现在凹痕23、24的任何一个处。

Claims (10)

1.一种用于包装的开启装置,所述装置包括:可去除的膜(11)以及与所述膜(11)相连接的拉动装置(12),其中所述拉动装置(12)适合于在所述膜(11)的至少一部分上延伸,并且所述拉动装置(12)在其相对端部(13、14)处与所述包装的一部分相连接以便于形成拉环,所述拉环是为了能够去除所述膜(11)而形成的,其特征在于,所述拉动装置(12)在所述端部(13、14)处固定地与所述膜(11)相连接,并且有助于所述膜(11)最初撕裂的弱化部分(15、16;23、24)被设在所述端部(13、14)处。
2.依照权利要求1所述的开启装置,其特征在于,所述弱化部分是由径向延伸的弱线(15、16)构成的。
3.依照权利要求2所述的开启装置,其特征在于,每个弱线(15、16)的长度与环形膜(11)半径的一半相同。
4.依照权利要求2所述的开启装置,其特征在于,每个弱线(15、16)的长度长于环形膜(11)半径的一半。
5.依照权利要求1所述的开启装置,其特征在于,所述弱化部分是由位于膜(11)与拉动装置(12)之间的两个连接处的凹痕(23、24)构成的。
6.依照权利要求5所述的开启装置,其特征在于,所述凹痕(23、24)位于所述膜(11)面对所述包装内部的侧面上。
7.依照前述权利要求中任何一项所述的开启装置,其特征在于,所述膜(11)是环形的并且所述拉动装置(12)沿直径跨过膜(11)延伸。
8.依照权利要求7所述的开启装置,其特征在于,所述弱线(15、16)沿拉动装置(12)的相对侧延伸。
9.依照权利要求1所述的开启装置,其特征在于,所述开启装置是以与所述包装的端面整体形成的方式由塑料材料注塑而成的。
10.依照权利要求1所述的开启装置,其特征在于,所述开启装置包括覆盖所述膜(11)的螺旋盖。
CNB018209904A 2000-12-22 2001-06-08 开启装置 Expired - Lifetime CN1295119C (zh)

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SE0004864A SE516699C2 (sv) 2000-12-22 2000-12-22 Öppningsanordning
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JP5486753B2 (ja) * 2009-11-30 2014-05-07 日本テトラパック株式会社 包装容器の製造法、注出口栓及び包装容器
CN102656093B (zh) 2009-12-14 2015-06-17 利乐拉瓦尔集团及财务有限公司 开口装置及其制造方法以及具有该开口装置的包装容器
US9505519B2 (en) 2009-12-14 2016-11-29 Tetra Laval Holdings & Finance S.A. Opening device and method for manufacturing the same, and a packaging material provided with said opening device
ES2527145T3 (es) 2010-04-01 2015-01-20 Tetra Laval Holdings & Finance S.A. Un cierre para un recipiente
ES2730950T3 (es) 2010-09-30 2019-11-13 Tetra Laval Holdings & Finance Recipiente de envasado y preforma que se puede utilizar en la producción de tal recipiente
ITVI20110100A1 (it) * 2011-04-20 2012-10-21 Stefano Bodega Contenitore per bevande e suoi componenti
CN103727301B (zh) * 2013-12-26 2016-02-03 上海鸿研物流技术有限公司 一种防窃启装置及使用该装置的阀门
EP2889231A1 (en) * 2013-12-30 2015-07-01 Tetra Laval Holdings & Finance SA Packaging material and packaging container having an opening device made therefrom
JP2016196311A (ja) * 2015-04-03 2016-11-24 日本テトラパック株式会社 注出口栓及び包装容器
CN104943974A (zh) * 2015-07-16 2015-09-30 李红彪 一种瓶嘴结构
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SE0004864L (sv) 2002-02-12
ES2277925T3 (es) 2007-08-01
NO20031957D0 (no) 2003-04-29
RU2264961C2 (ru) 2005-11-27
DE60126333D1 (de) 2007-03-15
BR0115797A (pt) 2003-08-19
EP1345819A1 (en) 2003-09-24
BR0115797B1 (pt) 2012-07-24
US7137523B2 (en) 2006-11-21
EP1345819B1 (en) 2007-01-24
NO322774B1 (no) 2006-12-11
KR20030063434A (ko) 2003-07-28
UA75623C2 (uk) 2006-05-15
WO2002070365A1 (en) 2002-09-12
JP2004519393A (ja) 2004-07-02
DE60126333T2 (de) 2007-05-31
CA2427582C (en) 2010-02-02
SE0004864D0 (sv) 2000-12-22
KR100871536B1 (ko) 2008-12-05
CN1496325A (zh) 2004-05-12
NO20031957L (no) 2003-06-17
SE516699C2 (sv) 2002-02-12
JP4796267B2 (ja) 2011-10-19
US20040026421A1 (en) 2004-02-12
CA2427582A1 (en) 2002-09-12

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