CN1012153B - 损坏标志盖 - Google Patents

损坏标志盖

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Publication number
CN1012153B
CN1012153B CN86101672A CN86101672A CN1012153B CN 1012153 B CN1012153 B CN 1012153B CN 86101672 A CN86101672 A CN 86101672A CN 86101672 A CN86101672 A CN 86101672A CN 1012153 B CN1012153 B CN 1012153B
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container
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CN86101672A (zh
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詹姆斯·刘易斯·格雷戈里
史蒂文·罗纳德·沃尔夫
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OI Glass Inc
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Owens Illinois Inc
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Publication of CN86101672A publication Critical patent/CN86101672A/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
    • 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
    • B65D41/34Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
    • B65D41/3423Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt
    • B65D41/3428Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges
    • B65D41/3433Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with flexible tabs, or elements rotated from a non-engaging to an engaging position, formed on the tamper element or in the closure skirt the tamper element being integrally connected to the closure by means of bridges with drive means between closure and tamper element
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S215/00Bottles and jars
    • Y10S215/901Tamper-resistant structure

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Bag Frames (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Burglar Alarm Systems (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
  • Telephone Function (AREA)

Abstract

一种整体模制的塑料盖,用螺纹拧在外部结构特殊的容器上,形成一种组合,把盖拧松时有一标志圈和盖的裙部下端分离。标志圈通过易断的连接部分和盖连接,在标志圈内有一挠性挡圈,当盖盖在容器末端上时向里向上方伸展。容器末端有一径向上的第一唇边和唇边下面的向内倾斜的侧壁表面,这表面有一条突变的向里伸展的凸台。在加盖时挠性挡圈靠在倾斜表面上,除盖后挡圈和标志圈落到凸台的下方表明盖曾被除去。

Description

本发明涉及一种整体模制的塑料之类的盖,该盖可螺旋地拧在容器的末端或颈部上。这种盖有一个损坏标志圈,用若干个易断的桥接构件连接在盖的裙部的下端。在损坏标志圈的内侧模制一个向内上方回折的挠性挡圈,和容器末端上的径向凸缘配合,使易断桥接构件不断裂不能把容器盖取下。
损坏标志盖并不新颖,而且可以在最近(1983年7月26日)颁发给基恩.格鲁森(Jean    Grussen)的美国第4,349,918号专利中找到一个例子。在这专利里有一个带螺纹的盖,上面有一个保持圈用一组易断的条片和盖的裙部下端连接,保持圈的一个内径至少等于盖裙的外径。有若干锁定块附在保持圈上,向内上方倾斜,用于钩在容器颈部上的一个领圈或匹配圈的后面,防止在拧松容器盖时把保持圈抬起。离开容器颈。在盖裙和保持圈之间,设置一个不易断裂的突缘,在把盖拧下时起铰链的作用。
其它的用螺纹拧在容器上的损坏标志盖,构造相当简单,但是一般都需要在容器上有特别设计的配合装置。
另外有些损坏标志结构也已使用,其易断圈做在盖裙的下端上,必须把它确实毁坏才能把盖拧下。这些盖还可能需要在容器肩部或颈部上形成特殊的斜坡或凸台。这些结构中的问题是:一旦把易断圈取下抛去,便不能立刻看出盖曾被拧开。
把盖和容器连接的热缩圈或热胀圈结构,也有许多缺点。此外热收缩要求在密封过程中增加一道额外的工序,比普通加盖机需要有另外的特殊设备。
美国专利4,478,343号中公开了一种用于盖闭容器的,带有一体成形的损坏标志圈的盖,其中损坏标志圈通过由若干个相互间隔的桥接件形成的环形易断部分与盖的环形侧壁的底端相连。该损坏标志圈包括有从该环形易断部分向下延伸的环形上部和具有若干个相互间隔的突片且各突片通过一个相对较薄的挠性腹板与相邻的突片相连的环形下部。上述环形上部与环形下部之间通过一个铰接部分相互连接,从而使环形下部可以朝盖的内部向上弯折,损坏标志圈可以防止不损坏易断桥接部分就除掉容器的盖。
但是,这种盖的结构仍存在着不足。例如加工复杂,使用效果差,或者说较难使易断桥接部分断裂等。
因此,本发明的目的是提供一种新的塑料螺旋盖,该盖带有一个通过环形的易断的连接部分与盖的裙部下端相连的损坏标志圈,一个跟损坏标志圈一体形成的,通过一个弯曲的铰接部分连接在标志圈内部的挡圈。该铰接部分从标志圈朝内朝下伸展并设计与布置成这样使挡圈的下端部被设置离开标志圈的内表面并使挡圈的上端部在螺旋盖拧到容器上时能够弯折到跟标志圈的内表面接触。挡圈被设置成相对标志圈的内部朝内朝上,挡圈的自由上端比其下端厚并且适用于在螺旋盖装到容器上以后跟容器的唇边的下方部位接合并防止挡圈越出容器的唇边。
本发明的另一个目的,是提出一种容器,在它的末端的螺纹下面,形成一个向内向下方倾斜的壁,达到一个水平方向上的突变的凸台(或唇边),因此当除盖时把标志圈截断后,标志圈便落在凸台的下方,不能恢复原状。盖中的裙部上形成内螺纹,裙部下端有一个圈或环,其外径约和盖相同,通过易断的桥接部分和裙部连接。在标志圈的里面有向内伸的挠性挡圈,与标志圈一体形成。容器的一个特殊末端上有一对径向的凸台,在容器颈部螺纹下面向外突出。这对凸台在垂直方向上有间隔,中间由向内倾斜的壁部连接,形成一个盖盖后支撑挡圈的表面。挡 圈能防止不把标志圈和盖裙断开,就除掉容器盖。
至于其他的目的和优点,从下文结合附图的叙述中,便可明确了解。
图1是本发明的盖和容器末端组合的透视图;
图2是本发明的盖的倒置透视图,表明对盖的热后成型工序;
图3是图1中的盖和容器末端合的放大侧视图,盖有部分剖视,并拧在容器的末端上;
图4是与图3相似的视图,盖被部分松开;
图5是放在容器末端上的盖的下边缘局部剖视图;
图6是与图5相似的局部剖视,表示在把盖完全盖在容器末端上时其下边缘的位置;
图7是在除去盖后的标志圈和容器末端的局部剖视图。
参看附图1,带有一个末端或颈部11的容器10。在末端11上示出一个用标号12大致表示的盖。盖12用热塑材料模塑成一个整体,包括有一个大致为圆盘形的顶13,和下垂的圆柱形裙部14。裙部14的下面,如图1所示,设有一个标志圈15。标志圈大致为圆柱形,和盖12的裙部14有基本相同的外径。标志圈15用若干个易断的桥接构件16和圆柱形裙部的下端相连。在图2-4的具体实施方案中,有八个易断桥接构件16。另外,还设有四个互相间隔开的小挡块17,和标志圈15整体形成,主要用于盖的模制时,使模制完成的盖从铸模上取下时,不会压迫易断桥接构件16,而把盖连同附在上面是标志圈15一同取下。挡块17不和裙盖的下端连接。从图3及4中可以最清楚看到,盖12的圆柱形裙部14中有内螺纹18。内螺纹18和容器10的末端或颈部11上的外螺纹配合。
在标志圈15的内部,有一个一体形成的环形挡圈20,当盖在初步成形时其形状如图2所示。挡圈在如图2所示的反向翻转时,它便相对于标志圈向内上方伸展,和标志圈的夹角约30度。从图3和4可最 清楚看到:挡圈20和标志圈15整体形成,其自由端21略厚于挡圈和标志圈15的连接部分。在盖12铸成如图2所示的形状以后,立刻把它绕它的平行于圆柱形裙部的中间轴线旋转,同时有一个圆锥形旋转轮22和挡圈20接触。图中所示的轮22安装在轴23上,可以理解轴23由一个适当的驱动装置驱动。并且,如图2所示,盖12是放在一个旋转垫24上,旋转垫安装在一根轴25的顶端。盖在垫24上旋转,轮22接触挡圈20旋转,盖处于倒置位置,挡圈被压向下,向内弯折,如图2所示,挡圈被从塑出时的状态弯折约120°。挡圈的翻卷是在盖铸成后很快(几秒钟内)进行的,因为翻卷步骤完成前,还没有超过塑料的固化时间,所以挡圈便能保持它的翻卷状态。
从图4可以最清楚看到,容器10的末端11上有一条在径向上向外的弧形唇边26,向外突出略大于螺纹19的外径。唇边26有一条下凸台27,可以称之为断裂凸台。图3所示最为清楚,当把盖12在容器末端11上向下拧时,挡圈20的自由端21位于上唇边26的下方,并且和断裂凸台27接触,或者距离断裂凸台27的下方很近。在容器的末端11上还可以形成第二道径向上的唇边或凸台28,位于唇边26和凸台27的下方,也是向里延伸,但其最大外径的表面,通过一个环形的向内下方倾斜的表面29和上凸台27连接。参看图3可以立即看到,挡圈20的自由端21,在唇边26的断裂凸台27的下面。如图4所示,当转动或从螺纹上拧松盖12时,由于挡圈20不能移动到唇边26的上方,所以易断桥接构件16断裂。这样,在易断连桥构件16断裂后,标志圈15连同挡圈便向下落,落到在瓶10的末端11上形成的一条唇边或凸台30上。
现特别参照图5-7,对各个唇边凸台的功能作如下的说明。如图5所示为正在将盖和它的裙部14以及标志圈15向容器末端11上拧。盖用挠性塑料制造,因此它的挡圈20可以向下从容器末端11的外表 面上形成的唇边26上通过。一旦挡圈20通过唇边26,它的位置便大致如图6所示,即挡圈20的上自由端21位于唇边26的断裂凸台27的下方。并且,挡圈的自由端21便和容器末端的倾斜表面29接触,并被保持在紧靠桥接构件16的位置。当把有螺纹的盖从容器末端上取下时,挡圈20便因为它的端部21和唇边26的断裂凸台27接触,而阻止它通过唇边26向后退。桥接构件16是易断的,当把盖从容器末端上拧下时,桥接构件处没有足够的强度抵抗被破坏断裂。
当把带螺纹的盖从容器末端上拧下时,八个桥接构件16中的一部分先被破坏,当盖继续向上运动时,标志圈15和它的挡圈20便被斜面29的斜坡向下作某种程度的挤压,直到全部桥接构件都断裂,这时标志圈15和挡圈20将落到图4和7所示的位置上。当标志圈15完全从盖裙14上断开后,实际上就没有可能恢复到它原来的图6所示的初始加盖的位置上去,因为挡圈20的上自由端21,将如图7中的虚线位置所示,接触凸台28。于是,如从图中可见,一旦把盖从容器的末端或颈上除去,甚至在重新盖上时,标志圈15便和盖离开,表明盖被损坏过或除去过。任何手工操作都已不能把标志圈恢复到原来的位置上。
由于标志圈15和挡圈20用挠性连接,两个组件之间的挠性使挡圈20的端部21向里移动,取得一般如图4和7里所示的位置。由于下凸台28比容器的唇边30高很多,并且由于盖在被损坏后标志圈15一般停留在唇边30上,便造成了一个相当大的间隙,盖曾被损坏便清楚而肯定地显示出来。
虽然举例中的具体容器是塑料容器,但显然本发明的原理也同样适用于玻璃的甚至金属的容器,这些容器上面有所要求的在轴向上有间隔的唇边和凸台的结构形状,允许加盖,但不把用易断桥接部和盖裙底端连接的标志圈破坏,就不可能除去盖。
上面的叙述只是为了举例,并没有意图限定后附的权利要求书中本 发明的范围。

Claims (2)

1、一种用于盖闭一个容器(10)的敞口上未端(11)的螺旋盖(12),包括有一个带有一个一体形成的圆筒形垂裙(14)的基本上呈圆盘形的顶部(13),一个通过多个沿圆周分隔开设置的易断桥接构件(16)连接到裙部(14)的环状底部上的基本上是圆周筒形的挠性标志圈(15),一个跟标志圈(15)一体形成的挡圈(20),挡圈(20)被设置成相对于标志圈(15)的内部朝内朝上,并且适用于在螺旋盖(12)装到容器(10)上以后跟容器(10)的一个唇边(26)的下方的部位接合并防止挡圈(20)越出该容器唇边(26),其特征在于挡圈(20)通过一个弯曲的铰接部分连接标志圈的内部,该铰接部分从标志圈(15)朝内朝下伸展并设计与布置成这样使挡圈(20)的下端部被设置离开标志圈(15)的内表面并且使挡圈(20)的上端部在螺旋盖(12)拧到容器(10)上时能够弯折到跟标志圈(15)的内表面接触,挡圈(20)的自由上端(21)比其下端厚。
2、根据权利要求1的螺旋盖,其特征在于有8个等距排列的桥接构件(16)。
CN86101672A 1985-04-29 1986-03-12 损坏标志盖 Expired CN1012153B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US728,377 1985-04-29
US06/728,377 US4613052A (en) 1985-04-29 1985-04-29 Tamper-indicating closure, container and combination thereof

Publications (2)

Publication Number Publication Date
CN86101672A CN86101672A (zh) 1986-10-29
CN1012153B true CN1012153B (zh) 1991-03-27

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US (2) US4613052A (zh)
EP (1) EP0200293B1 (zh)
JP (1) JPS61273355A (zh)
CN (1) CN1012153B (zh)
AT (1) ATE70801T1 (zh)
BR (1) BR8601903A (zh)
CA (1) CA1283629C (zh)
DE (1) DE3683079D1 (zh)
ES (1) ES296607Y (zh)
IN (1) IN166573B (zh)
MX (1) MX169925B (zh)
NZ (1) NZ215035A (zh)
ZA (1) ZA863165B (zh)

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NZ215035A (en) 1992-05-26
US4613052A (en) 1986-09-23
BR8601903A (pt) 1986-12-30
CN86101672A (zh) 1986-10-29
JPS61273355A (ja) 1986-12-03
EP0200293A2 (en) 1986-11-05
CA1283629C (en) 1991-04-30
ES296607Y (es) 1989-05-16
ZA863165B (en) 1986-12-30
DE3683079D1 (de) 1992-02-06
USRE33265E (en) 1990-07-17
ES296607U (es) 1987-12-01
ATE70801T1 (de) 1992-01-15
AU5477086A (en) 1986-12-04
EP0200293A3 (en) 1988-07-13
IN166573B (zh) 1990-06-09
MX169925B (es) 1993-08-02
JPH0555386B2 (zh) 1993-08-16
AU568791B2 (en) 1988-01-07
EP0200293B1 (en) 1991-12-27

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