CN1291894C - 用于筒罐的盖子及其制造方法 - Google Patents

用于筒罐的盖子及其制造方法 Download PDF

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Publication number
CN1291894C
CN1291894C CNB028254139A CN02825413A CN1291894C CN 1291894 C CN1291894 C CN 1291894C CN B028254139 A CNB028254139 A CN B028254139A CN 02825413 A CN02825413 A CN 02825413A CN 1291894 C CN1291894 C CN 1291894C
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sealed foil
lid
fin
foil
sealed
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CN1604869A (zh
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约翰·威廉·勒特丁克
格拉杜斯·约翰内斯·约瑟夫斯·蒂勒贝克
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Sanyi Packaging Group Holland Co ltd
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Impress Group BV
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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
    • 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
    • B65D17/00Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/50Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
    • B65D17/501Flexible tape or foil-like material
    • B65D17/502Flexible tape or foil-like material applied to the external part of the container wall only
    • 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
    • B65D17/50Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
    • 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
    • B65D2517/0059General cross-sectional shape of container end panel
    • B65D2517/0061U-shaped
    • 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
    • B65D2517/50Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/5002Details of flexible tape or foil-like material
    • B65D2517/5024Material
    • B65D2517/5027Single layer
    • 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
    • B65D2517/50Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/5072Details of hand grip, tear- or lift-tab
    • B65D2517/5075Hand grip with finger opening
    • B65D2517/5078Hand grip with finger opening finger opening edge rolled or folded over

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Cookers (AREA)

Abstract

本发明涉及一种用于食品、涂料等的筒罐的盖子(1),所述盖子包括:限定开口(3)的环形基部(2);密封箔(4),布置在所述基部上且覆盖所述开口;翼片(5),其一端布置在所述箔上用于撕开所述箔;保持装置,用于保持靠近密封箔的所述翼片的自由端,由此所述保持装置包括第一保持部分(7)和第二保持部分(8),所述第一保持部分(7)是所述密封箔的一部分,而所述第二保持部分(8)是所述翼片的一部分。

Description

用于筒罐的盖子及其制造方法
技术领域
本发明涉及用于食品、涂料等的筒罐的盖子及其制造方法。
背景技术
这种盖子用于例如盛有奶粉的筒罐中。在低压下装满这些筒罐,从而所述盖子的密封箔向内弯曲,这导致翼片从密封箔向上弯曲。这将在进一步处理该筒罐期间产生问题。所述翼片可能卡在用于处理的机器的部件之间或影响机器的运行。
该筒罐也可被消毒。结果,密封箔鼓起,由此翼片再一次远离密封箔而弯曲。
目前,可通过将翼片粘结在密封箔上而防止翼片的这种弯曲。该粘结过程具有许多缺点。首先它是一个昂贵的工艺过程,其难以控制。当筒罐用于储存食物时,所述胶必须经过批准以在食品工业中使用。其次所述胶必须满足若干要求,例如高温稳定性(尤其当翼片被消毒时)、低的撕力(由于密封箔必须能被容易地除去)。粘结过程的第三个缺点是所述胶的涂覆会有速度的限制。所述胶总是具有非常高的粘性,这限制了涂覆的速度。
发明内容
本发明的目的是提供一种根据上文的盖子,其可消除上述缺点。
可通过根据本发明的盖子来达到此目的,其特征在于,保持装置包括第一保持部分和第二保持部分,所述第一保持部分是密封箔的一部分,而所述第二保持部分是翼片的一部分。
由于第一和第二保持部分分别是密封箔和翼片的一部分,因此不需要增加额外材料来提供保持装置。将翼片牢固地连接到密封箔上。这防止了翼片的弯曲,而翼片的弯曲可影响进一步对盖子的处理。
根据优选实施例,第一和第二保持部分具有形状确定的连接。因此由于两个保持部分的形状,实现了所述连接,而不需要任何摩擦力或粘合物,例如胶连接。
根据本发明的另一实施例,每个第一和第二保持部分都包括凸起,所述凸起彼此接合。
优选地,所述凸起具有基本为T形的截面。
通过该T形截面,第一和第二保持部分具有形状确定的连接。第一部分的T形与另一部分的T形接合。仅在使翼片材料或箔材料变形的情况下才能使该接合分离。
在本发明的又一优选实施例中,翼片和密封箔是一体的。
优选地,通过凹入或收敛连接部将翼片连接到密封箔上。这在翼片上提供了较大的夹紧区域,同时所施加的力通过小横截面传递到密封箔上,这便于撕开密封箔。
此外,密封箔可以包括铝箔和/或钢箔。
本发明还涉及一种用于制造本发明的盖子的方法,该方法包括以下步骤:
提供限定开口的环形基部;
从一段材料上切下密封箔;
在密封箔上设置周边翼片,将该翼片的自动端向后折叠到所述密封箔的表面上;
使密封箔与基部相关联;
压制步骤,在密封箔和翼片的底部压制一凹进部分;以及
对接步骤,对接所述凹进部分的底部,从而在翼片和密封箔之间形成连接。
通过对接两个凹进部分的底部,这些底部的材料将由于对接而流动,从而该底部的厚度将减少而底部区域将增加。这将在翼片和密封箔之间提供形状确定的连接。
在本发明的方法的优选实施例中,所述方法包括冲压步骤,即将型材冲压成密封箔的步骤。该箔提供了没有任何折皱的整洁的密封箔表面。
优选地冲压、压制和对接步骤在一个冲程中完成。这将提供一种非常快速的制造本发明的盖子的方法。
附图说明
下面结合附图将描述本发明的这些和其他特征。
图1示出了根据本发明的盖子的俯视图;
图2示出了根据图1的盖子的仰视图;
图3示出了沿图1中的线III-III的盖子的剖视图;
图4A和4B示出了根据本发明的方法的两个步骤;以及
图5A和5B示出了根据图4A和图4B的步骤所完成的变形的剖视图。
具体实施方式
在图1和图2中示出了根据本发明的盖子1。该盖子包括限定开口3的环形基部2。密封箔4布置在环形基部2上以覆盖开口3。密封箔4密封地布置在基部2上。
翼片5与密封箔4一体形成。该翼片5通过保持装置6(看似铆钉)连接到密封箔4上。
在图3中示出了根据图1的盖子的剖视图。可清楚地看到环形基部2限定了开口3,在开口3上布置有密封箔4。翼片5与密封箔4成一体且向后折叠到密封箔4上。翼片5和密封箔4通过保持装置6连接,保持装置6由第一T形凸起7和第二T形凸起8组成,且第一T形凸起7布置在第二T形凸起8内。由于T形形状而实现了保持作用。
在图4A中示出了工具10,使用工具10可实现翼片和密封箔的连接。工具10具有下冲模和上冲模12。压制元件13可滑动地布置在上冲模12上并处于弹簧14的压力下。
将密封箔4和翼片5放在下冲模上。将上冲模12和压制元件13一起向下放在密封箔4和翼片5上。压制元件13将首先与翼片5接触,从而将凸起压入密封箔和翼片的材料中(见图5A)。当该凸起在密封箔4和翼片5中形成后,用力使上冲模12进一步向下,从而使所述凸起的底部15、16对接。这使得底部15、16的材料流动,从而底部15、16的厚度减少,而区域A变大。这提供了用于连接密封箔4和翼片5的T形凸起。
只有使翼片5的材料变形才能将翼片5从密封箔4上分离。由于该变形是可见的,因此本发明所述的盖子还提供了显窃启(tamper proof)的作用。

Claims (9)

1.一种用于筒罐的盖子(1),所述盖子包括:
限定开口(3)的环形基部(2);
密封箔(4),布置在所述基部上且覆盖所述开口;所述箔包括:
用于撕开所述箔的周边翼片(5),布置成使其自由端向后折叠到所述箔的表面上;
保持装置(6),用于保持靠近密封箔的所述翼片的所述自由端,
其特征在于,
所述保持装置包括形成在所述密封箔中的第一保持部分、和形成在所述翼片中并靠近其自由端的第二保持部分。
2.根据权利要求1所述的盖子,其特征在于,
所述第一和第二保持部分具有形状确定的连接。
3.根据权利要求2所述的盖子,其特征在于,
每个所述第一和第二保持部分都包括凸起,所述凸起彼此接合。
4.根据权利要求3所述的盖子,其特征在于,
所述凸起具有基本为T形的截面。
5.根据前述权利要求中任一项所述的盖子,其特征在于,
所述翼片和密封箔是一体的。
6.根据权利要求1至4中任一项所述的盖子,其特征在于,
所述密封箔包括铝箔和/或钢箔。
7.用于制造权利要求1至4中任一项所述的盖子的方法,该方法包括以下步骤:
提供限定开口的环形基部;
从一段材料上切下密封箔(4);
在所述箔上设置周边翼片(5),将该翼片的自由端向后折叠到所述密封箔的表面上;
使所述密封箔与所述基部相关联;
压制步骤,在所述密封箔和翼片的底端压制一凹进部分;
对接步骤,对接所述凹进部分的底部,从而在所述翼片和密封箔之间形成连接。
8.根据权利要求7所述的方法,其特征在于,还包括冲压步骤,即将型材冲压成所述密封箔的步骤。
9.根据权利要求8所述的方法,其特征在于,
所述冲压、压制和对接步骤在一个冲程中完成。
CNB028254139A 2001-12-20 2002-12-17 用于筒罐的盖子及其制造方法 Expired - Lifetime CN1291894C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01205059A EP1321376B1 (en) 2001-12-20 2001-12-20 Lid with sealing foil comprising pull tab
EP01205059.7 2001-12-20

Publications (2)

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CN1604869A CN1604869A (zh) 2005-04-06
CN1291894C true CN1291894C (zh) 2006-12-27

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US (1) US9643751B2 (zh)
EP (1) EP1321376B1 (zh)
JP (1) JP4728578B2 (zh)
KR (1) KR100951497B1 (zh)
CN (1) CN1291894C (zh)
AT (1) ATE320982T1 (zh)
AU (1) AU2002366741A1 (zh)
BR (1) BR0207312B1 (zh)
DE (1) DE60118093T2 (zh)
DK (1) DK1321376T3 (zh)
ES (1) ES2256159T3 (zh)
PL (1) PL201640B1 (zh)
RU (1) RU2312800C2 (zh)
WO (1) WO2003053803A1 (zh)

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ES2256159T3 (es) 2006-07-16
JP4728578B2 (ja) 2011-07-20
PL373699A1 (en) 2005-09-05
DK1321376T3 (da) 2006-07-31
ATE320982T1 (de) 2006-04-15
AU2002366741A1 (en) 2003-07-09
JP2005512903A (ja) 2005-05-12
US20050045633A1 (en) 2005-03-03
CN1604869A (zh) 2005-04-06
DE60118093T2 (de) 2006-09-14
BR0207312A (pt) 2004-06-15
RU2004122123A (ru) 2005-05-20
US9643751B2 (en) 2017-05-09
WO2003053803A1 (en) 2003-07-03
KR20040064608A (ko) 2004-07-19
DE60118093D1 (de) 2006-05-11
PL201640B1 (pl) 2009-04-30
EP1321376A1 (en) 2003-06-25
EP1321376B1 (en) 2006-03-22
KR100951497B1 (ko) 2010-04-07
RU2312800C2 (ru) 2007-12-20
BR0207312B1 (pt) 2012-05-29

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