CN1370124A - 具有透气和阻止套叠特性的容器盖 - Google Patents

具有透气和阻止套叠特性的容器盖 Download PDF

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CN1370124A
CN1370124A CN00811660A CN00811660A CN1370124A CN 1370124 A CN1370124 A CN 1370124A CN 00811660 A CN00811660 A CN 00811660A CN 00811660 A CN00811660 A CN 00811660A CN 1370124 A CN1370124 A CN 1370124A
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lid
bowl
sealing lip
protrusion
container
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CN1140437C (zh
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杰弗里·J·泽特尔
戴维·A·史密斯
唐纳德·E·霍奇
埃里克·沙佩尔
彼得·T·埃弗斯
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S C JOHNSON STORAGE CORP
SC Johnson Home Storage Inc
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Abstract

一种有选择地可打开的容器盖(14),包括一中心圆盘(30)和一环绕该圆盘的周边密封唇边(32)。该周边密封唇边的横截面大致呈倒U形,从而限定了一可使碗的外缘(20)装入的通道。该盖子还包括至少一个在圆盘和周边密封唇边之间形成的隆起部(33)。该隆起部(33)由至少一个间隔(31)分开。如果从基本上垂直于所述圆盘的方向看去,该隆起部和周边密封唇边至少部分地叠合在一起。而且当所述盖子松弛地放置在碗上时,隆起部靠在碗上。还公开了一种包括这种盖子的容器。

Description

具有透气和阻止套叠特性的容器盖
发明背景
发明领域
一般来说,本发明涉及一种用于一容器的盖子,用于储存或运输诸如食物之类的物品,更具体地说,涉及一种具有独特透气和阻止套叠特性的有选择地可取下的容器盖,以及一种使用这种容器盖的容器。
相关技术说明
容器通常都配有可从碗上有选择地取下的盖子,并且一般都设计成具有多种特点,这些特点包括可重复使用、一次性使用、可用微波加热等等。一般来说,这种类型的容器价格相对便宜,使用方便。根据它们的用途,容器应能够经得起诸如由于冷冻、微波、洗碗机等的各种条件变化。
与现有可用微波加热的容器有关的问题是,容器必须经受住温度的快速变化。由于盛放的物品汽化产生的湿气使压力增加,还由于温度的升高,必须使容器在微波加热期间透气。因此,在微波加热期间,容器必须留有一定大小的通孔。但是,还必须尽可能地保持碗被盖住,以防止物品在微波炉内部被溅出来。实践中一般的方法是,把盖子取下来,再把它很松弛地放在容器碗上,从而在微波加热期间使空气和蒸汽能释放出来。实践中另一种方法是,只把盖子的一部分从碗上揭开,再把盖子部分地取下(即盖“裂开”)。这样,只是在从碗上揭开盖子的地方形成了空气通道。由于容器内压力的增加可能迫使容器打开,盖子和碗之间的某些空间都增加了,因此,这两种实践方法一般可在微波加热期间使足够的空气和蒸汽排出。但是,一旦完成了微波加热,蒸汽就会冷却,容器内的压力就会迅速地降下来。因为压差不能再把容器打开,实践中的这两种透气方法通常不能使足够的空气进入容器,对下降的压力进行补偿。由于积累了蒸汽或水汽,这种问题会更加恶化,这样会在盖子和碗之间形成水汽密封。结果可能产生真空,容器可能损坏,并最终导致破裂。
这种事实还会产生另一问题,即如果这种容器盖子是热塑制成的,一般会具有互补的顶面和底面。如果把多个盖子堆叠起来运输或储存,把它们套起来时,相邻的盖子就会挤压或者互锁起来。这样会使盖子很难操纵,在生产线自动处理装置上,这一问题更加突出。
在本领域中作出了许多尝试,提供了多种解决所涉及的通风和/或堆叠的容器。例如,Edwards的、名称为“可套叠杯子”的美国专利US3091360(“’360”专利),靠近杯子底部设置了一种倒锥形的圆环。为了防止堆叠在一起的杯子套得太紧,在圆环的顶部设置一架子,以接纳邻近杯子的底部圆环。圆环包括多个隔开的楔形突起,隔开的距离作为相邻杯子的透气孔,以防止杯子彼此吸在一起。虽然解决的问题涉及到有关的堆叠杯子,但是,’360号专利的结构设计并不适用于堆叠的盖子,而且也没有解决上面讨论中涉及到的通气问题。
名称为“容器盖”的、McCormick的美国专利US3362565(“’565”号专利),盖子设置一侧壁,该侧壁在靠近其底部设有一密封缘,在靠近其顶部设有一肩部。密封缘密封住设置在容器中的内肩部。在盖子堆叠时,密封缘靠在盖子肩部下面。围绕密封缘的外周边间隔地设有凹槽。这些凹槽构成通风道,如果在密封容器产生的气体或者蒸汽压力足够、使盖子在中部向上弯曲产生转动,在密封容器中产生的气体可穿过这些凹槽排出。在盖子完全固定在容器上时,这些凹槽就能通风,但是,在盖子松弛地密封或者只是部分地从容器上移开时,凹槽就不能解决上述的通风问题了。
名称为“容器”的、Fitzgerald的美国专利US3589552(“’552”号专利),包括一设在容器盖顶部的堆叠圆环,可便于利用机械封盖装置分开堆叠在一起的盖子。在整个堆叠圆环上设有一系列隔断,可防止盖子与相邻的堆叠盖子或机械封盖装置吸合在一起。但是,’552号专利同样也没有解决盖子松弛地密封或只是部分地从容器上移开时产生的通风问题。
名称为“容器以及容器通风密封盖”的Biglin的美国专利US3339786(“’786”号专利)采用了另一种方法。在多个堆叠盖子的顶部设有一带架子的锥形壁。穿过容器密封通道内表面的小肋或边缘可使气体从封盖住的容器排出。如果产生了足够的内压,气体就会自由地排出。但是,’786号专利也没有解决盖子松弛密封或部分移开时的通风问题。
名称为“可自动松开的密封盖”的、Olsen等人的美国专利US5147059(“’059”号专利),提供了一种设在盖子的外部密封部分且垂直内表面上的一系列限定通风的凸起。该凸起接合在容器外缘上,可在盖子松弛地设置在容器上时进行通风。这样通风可避免产生阻碍正确地固定和打开盖子的内/外压差。但是,’059号专利没有解决堆叠或者阻止套叠盖子的问题。
名称为“均匀堆叠的杯子盖”的、Rush等人的美国专利US5791509(“’509”号专利),提供了一种外壁设有环形沟槽的盖子。外壁上部设有一架子,外壁下部反向倾斜,可作为堆叠圆环。环绕堆叠圆环的周边间隔地设有正向倾斜的凹槽,可在松开热塑成形模具时,稳定堆叠圆环。盖子的堆叠圆环和邻近堆叠盖子的架子结合起来可阻止套叠。但是,’509号专利并没有提供用于防止相应的盖子和碗之间的蒸汽密封的结构。
名称为“设有可拆卸翼片的盖子”的、Seppala的美国专利US4753365(“’365”号专利),提供了一种在环形座的上端设有一外侧壁的垫片的盖子。该环形座接纳上一个堆叠盖子的垫片的下端。但是,’365号专利并没有试图改善上面讨论的蒸汽密封问题。
现有技术中需要解决的问题是,在把盖子放在松弛位置上或者从碗上部分地移开时,容器盖仍保持正确定位,并且可向容器内通气,还包括盖子的结构要在与其它盖子堆叠时容易阻止套叠在一起。
为了简化其构造和生产过程,需要提供这样一种盖子,即其结构有利于在盖子松弛放置或部分移开时进行通气,还有利于堆叠盖子的阻止套叠。
另外,现有技术中需要解决的问题还有,提供一种廉价的盖子以及与上述发明主题结合使用的碗结构。
发明概述
本发明考虑到了现有技术中存在的上述问题。
本发明的目的就是提供一种既有上述的通气特性又有阻止套叠特性的容器和盖子。
根据一个方面,本发明涉及一种与碗一起使用的盖子,该碗设有终止于一外缘的侧壁。盖子包括一中心圆盘以及一环绕该圆盘的周边密封唇边。该周边密封唇边的横截面大致呈倒U形,从而限定了一可使碗外缘装入的通道。该盖子还包括至少一个在圆盘和周边密封唇边之间形成的隆起部,该隆起部由至少一个间隔隔开。如果从基本上垂直于圆盘的方向看去,隆起部和周边密封唇边也至少部分地叠合在一起。当盖子松弛地放置在碗上时,隆起部靠在碗外缘上。
根据另一方面,本发明涉及一种与碗一起使用的盖子,该碗设有一终止于一外缘的侧壁。盖子包括一中心圆盘以及一环绕该圆盘的周边密封唇边。该周边密封唇边的横截面大致呈U形,该唇边由一内壁、一外壁以及设置在内壁和外壁之间的环形腹板限定而成。盖子还有一些特征,即在圆盘和内壁之间设有通风和阻止套叠部件,当盖子松弛地放置在容器上时,这些部件可用于向碗内通风,并在盖子堆叠在相应的盖子上时,用于阻止与相邻的相应盖子套叠。
还根据另一方面,本发明涉及一种包括一碗的容器,该碗设有终止于一外缘的侧壁、以及一有选择地可打开的盖子。盖子包括一中心圆盘以及一环绕该圆盘的周边密封唇边。该周边密封唇边的横截面大致呈倒U形,从而限定了一可使碗的外缘装入的通道。该盖子还包括至少一个在圆盘和周边密封唇边之间形成的隆起部。该隆起部由至少一个通气孔隔开。如果从基本上垂直于圆盘的方向看去,隆起部和周边密封唇边至少部分地叠合在一起。当盖子松弛地放置在碗上时,隆起部也靠在碗外缘上,并在盖子松弛地放在碗上时,通气孔在碗和周围空气之间限定一空气通道。
通过这些简要说明,对本发明的特性可能有了一般理解。但是,这些简要说明并不构成对本发明的限定。通过下面结合附图对最佳实施例的详细说明,本发明的上述的和其它的目的、方面、特征以及优点将会更加清晰,在所有附图中,对于相同或类似的部件采用相同的附图标记。
附图简要说明
图1是根据本发明所述的分开的容器的透视图,该容器包括一碗和一有选择地打开的盖子;
图2是根据本发明所述的分开的容器的局部透视图,该容器包括一碗和一有选择地打开的盖子;
图3是图1所示容器盖子的底视图;
图4A是沿图1的线4A-4A剖开的局部剖视图;
图4B是沿图1的线4B-4B剖开的局部剖视图;
图5是图1所示的盖子和碗处于在松的堆叠结构中的局部剖视图;
图6是两个堆叠在一起的盖子的局部剖视图。
最佳实施例的详细说明
图1表示容器10的最佳实施例,该容器包括一碗12和根据本发明制成的有选择地分开的盖子14。虽然把容器10一般表示为圆形的,本发明的原理同样也可应用于各种形状的容器,例如椭圆形、矩形、正方形等。
如图1和2所示,碗12一般包括一底部16和一从底部16向上延伸以限定一碗空腔88的连续侧壁18。侧壁18的顶部终止于一基本上连续的外缘20,该外缘形成碗的边部。在此最佳实施例中,外缘20的横截面基本上呈L形,并且包括一从侧壁18向外延伸的环形凸缘24、以及一从环形凸缘24向下延伸的裙边26。要指出的是,本文所使用的方向术语“下”、“上”或者“水平”是为了便于说明,一般是参照在水平面上放置容器的取向(盖子在上面),但是,这些术语不应当解释为对本发明保护范围的限制。
最好如图5所示,有一相对较硬的环形凸块28从侧壁18上部向内凸出。在盖子14与碗外缘20固定或不固定时,凸块28提供正向的阻力。为了从碗12上移开盖子14,隆起部33(下面将要详细说明)和部分内壁34必须移过相对较硬的凸块28。因此,凸块28有助于保持盖子14和碗12之间的接合。
盖子14一般包括一中心圆盘30以及从圆盘30延伸出来的周边唇边32。当把盖子固定在碗12上时,圆盘30盖住碗,盖子14的唇边32与碗12的外缘20相互配接。
如图4A和4B可更清晰地看出,唇边32的横截面大致呈倒U形,并包括一从圆盘30向上延伸的内壁34、从内壁34向外延伸的环形腹板38、以及一从腹板38悬挂下来的外侧板36。当盖子14固定在碗12上时,利用位于盖子14唇边32内部的碗外缘20(有选择地包括圆环凸块28),碗12侧壁18的内表面与盖子14的内壁34干涉配接。因此,盖子14的唇边32可作为接纳碗12的外缘20的密封道。
如图1、3、4A和4B所示,圆盘30和盖子14的唇边32的过渡段是一系列间断的、由多个间隔31隔开的细长的隆起部33。间隔31也可称为通气孔,下面就要说明它们的功能。
最好是,隆起部/间隔的结构从卷边80悬挂下来,该卷边80从盖子14下侧(或者相反,压入端部)伸出。虽然隆起部/间隔结构的功能并不是必须的,但卷边80仍可为盖子14提供强度和刚度,特别是在固定和不固定在碗12上的期间,盖子被弯曲时。只要隆起部33相对于间隔31升高了,是间隔31压入卷边80、还是隆起部33从卷边80凸出并不重要。
在盖子14松弛地放置在碗12上时,隆起部33的形状与碗12的外缘20靠在一起。隆起部33和通气孔31的结合构成了本发明独特的通气特征。如图5所示,当盖子14松弛地放置在或者部分地从碗12上移开(例如,没有密封紧,但仍盖住了)时,隆起部33靠住碗12的外缘20。在此最佳实施例中,隆起部33靠住环形凸缘24和/或凸块28的内部。隆起部33支撑碗12上的盖子14,而且通气孔31在盖子14和外缘20之间〔例如,环形凸缘24和凸块28(如果使用了)〕形成空气流通通道。因此,空气可进入或者排出容器,克服了上述通气问题。
当封闭容器时,就会在隆起部33上面的内壁34上产生与碗12的侧壁18的干涉配接。因此,一旦盖子14完全固定在碗12上,隆起部33和通气孔31就不会再进行任何通气了,这是由于它们都设置在碗的空腔88内部。因此,根据本发明构造的容器可在盖子14松弛地放置在碗12上时进行通气,而在盖子14完全固定在碗12上时,密不透风。
本发明的另一个优点是具有阻止套叠和堆叠的特性。如果从基本上垂直于圆盘30的方向上看去,盖子14的隆起部33和唇边32至少是部分重叠的。这可由唇边32的锥形内壁34(如实施例示出的)和/或由凸起的隆起部33实现。因此,如图6所示,如果两个盖子堆叠在一起,一个盖子的隆起部33就会放在下面一个盖子的唇边32上。隆起部33提供了一接触面,其有助于阻止相邻堆叠的盖子太紧密地相互配接在一起而变得压紧了。
为了进一步改进本发明所述的堆叠和阻止套叠的特性,唇边32可包括一环形架35,该架子设置在内壁34和腹板38结合处或者设置在该结合处附近,优选设置在内壁34的顶部,最好如图6所示。在所示的实施例中,架子35包括一通常为水平的底座35a和一直立壁35b。可供选择地,该实施例的架子35可以是逐渐倾斜的凹槽、呈部分圆筒形的通道,等等。
如图6所示,图6为堆叠盖子14和14’的局部剖视图,把一盖子14’的架子35’设计为可接纳另一个盖子14的隆起部33。相反地,隆起部33的大小应能够放置在相邻盖子的架子35’上。因而,将隆起部33放在相邻盖子14’的架子35’上,这样有助于使相邻的盖子14、14’保持对齐,同时还能阻止这些盖子完全套叠在一起。
如果从上面或者从下面看去,可制成这样的架子35,即使底座35a最深的边缘35c限定一比隆起部33最宽的部分要小的直径(在盖子为环形的情况下;如果盖子是非环形的,就要更靠近中心部分)。在所示的实施例中,正好位于架子35之下的内壁34朝向其最外部远离中心倾斜,在容器12封闭时,盖子14的此处与碗12形成干涉结合。隆起部33最好与内壁34最外面的部分大约平齐,或者从此处稍微凹下,从而不再阻碍上述的干涉结合。架子35最深的边缘35c位于隆起部33径向内部。作为一种可供选择的结构,内壁34整体基本上是垂直的。在此结构中,隆起部33可以在内壁34之外径向伸入由密封唇边32形成的密封道。在这两种情况下,隆起部33都可以放在下面堆叠盖子的架子35上,实现阻止套叠的特性。
隆起部33和唇边32之间的相互作用可使盖子相邻地堆叠在一起,而不会套叠夹住在一起。这样可以毫不费力地分开堆叠在一起的盖子。
在所示的实施例中,使用六个隆起部33和六个基本上等距隔开的通气孔31。隆起部和通气孔的数目和大小以及二者之间的间距并不关键,而且只要能够充分地通气和堆叠在一起,这些参数就可以变化。例如,盖子可以包括由甚至少到一个的通气孔31隔开的单个隆起部33。正如所理解的那样,盖子14也可以包含多于六个的、由多个通气孔31隔开的小隆起部33。
类似地,只要应用了上述原理,所述容器盖子的具体尺寸并不是关键的。作为实例,所述架子35包括一深度大约为0.040英寸(1.016毫米)的底座35a,以及一高度大约为0.066英寸(1.676毫米)的立壁35b。该底座35a的边缘35c限定一直径大约为5.083英寸(12.91厘米)的圆环。内壁34的最外部限定一直径大约为5.123英寸(13.012厘米)的圆环。隆起部33从内壁34的最外部凹入大约0.005英寸(0.127毫米)。因此,如果适当地对齐堆叠,一盖子的隆起部33就会与相邻的盖子底座35a大约重叠0.015英寸(0.381毫米)。隆起部33还在间隔31上凸出大约0.025英寸(0.635毫米)。达到上述效果的一种方法是设置具有不同曲率半径的隆起部和间隔。例如,隆起部33和间隔31的半径R1和R2分别为(参见图4)大约0.048英寸(1.219毫米)和0.117英寸(2.972毫米)。最后,需要指出的是,每一隆起部33的周长大约为2.37英寸(6.02厘米),同时,每一间隔31的周长大约为0.25英寸(0.635厘米)。
本发明所述的盖子相对于现有的盖子来说在通气和阻止套叠方面具有显著的优点。例如,对一14盎司的容器使用的根据本发明的上述实施例所述的盖子进行通风试验,容器中放入少量的水(足够覆盖住容器底部),盖子部分地打开(即裂开)。容器在高温下微波加热两分钟,随后在微波炉内冷却一分钟。进行严格测试,使用比较用的样本盖子(没有隆起部/间隔)的容器,在每20次测试过程中,使容器重新密封并裂开。但是,在33次测试过程中,使用本发明所述的盖子的容器就不用再密封,或者说没有受到任何损坏。
因此,本发明采用的结构(例如由通气孔31分开的隆起部33),既便于设有一松弛密封盖的容器的通风,还能对齐且阻止套叠多个堆叠的盖子。因此,采用本发明所述的原理,可以大幅度地节约成本,制成高效的容器结构。
作为一种可选择的特征,底部16的下侧可以包括一环形凸起,或者也可以包括一圆形的凹面。圆盘30可以包括一互补的圆形(或者部分圆形)升高部分90,如图1所示。升高部分90套接在圆形凹面内部或者套接在上面堆叠的碗的底面16的环形凸起内。以这种方式,密封的容器可以一个堆叠在一个的上面。当然,升高部分90和凹面或者凸起的形状可以是不同的,但是最好是凹面或者凸起大致呈圆形,从而可以不管其凸凹方向就可堆叠在一起。这些套叠特征也可以是相反的,即升高部分在碗12的底面,而不是在盖子14的顶部。
还有另一个可选择的特征,即盖子14可以包括一从唇边32的外壁36向外伸出的刚性耳片40。耳片40基本上呈三角形,并包括多个直立的肋板46,使其刚性最大化,从而增强了从耳片40向密封区域传递开盖的力量。设有耳片的容器的优点、尺寸和特征在申请号为09/104739、09/104743和09/104508的美国专利申请文件进行了说明,上述申请的申请日都是1998年6月25日,并转给了本申请的受让人,上述每一申请都在此整体参照引用。
实践中一般的方法是,使带有这种耳片40的盖子透气,通过拉动耳片40部分地打开容器(即打开盖子)。由于靠近耳片40的部位很可能就是用于容器通气的部位,因此优选至少有一个间隔31与耳片40对齐。
可以理解,从许多种已知的热塑性树脂中选取一种,采用任何公知的技术,可以很经济地热塑或模制成本发明所述的容器,这些树脂可以是,但也不局限于此,聚酰胺、聚丙烯酸、聚芳基化物、聚碳酸酯、聚酯、聚醚二酰亚胺(polyetherimides)、聚醚酮、聚烯烃、聚亚苯基、聚氯乙烯、以及各种苯乙烯和液晶聚合物也在其中。
尽管详细说明了本发明特殊的、优选的实施例,但是,可以理解,这些说明只不过是为了举例说明的目的。除了上述实施例之外,对于本领域的技术人员来说,不超出下面的权利要求书的实质精神,还可以有各种与这些优选实施例相应的改进和等同结构。例如,本领域的技术人员可以理解,不超出本发明的精神实质,对凸起的尺寸、形状和数目、以及所公开的容器盖各部分的结构和材料还可以有某些变化。因此,由下述权利要求书所限定的本发明的保护范围可以有一致性的、合理的扩大解释,从而包含这种改进和等同结构。
工业应用
本发明所改进的容器适合于许多应用,特别是适用于要用在微波炉中的、批量生产的食物容器中。容器盖子的结构设计为便于处理许多盖子,即堆叠在一起以便运输或储存的那种盖子。这种盖子还可选择性的设有透气层或者对容器进行密封。

Claims (25)

1、一种与碗一起使用的盖子,该碗设有终止于一外缘的侧壁,所述盖子包括;
一中心圆盘;
一环绕所述圆盘的周边密封唇边,所述周边密封唇边的横截面大致呈倒U形,从而限定了一可使碗的外缘装入的通道;
以及至少一个在所述圆盘和所述周边密封唇边之间形成的隆起部,所述隆起部由至少一个间隔隔开,其中,如果从基本上垂直于所述圆盘方向看去,所述隆起部和所述周边密封唇边至少部分地叠合在一起,而且当所述盖子松弛地放置在碗上时,所述隆起部靠在碗上。
2、如权利要求1所述的盖子,其特征在于所述至少一个间隔在所述盖子松弛地放置在碗上时,在碗和所述盖子之间至少限定一个空气通道。
3、如权利要求1所述的盖子,其特征在于所述周边密封唇边进一步包括一由大致直立的壁环绕而成的底座,其中,当所述盖子堆叠在第二个这样的盖子上时,所述至少一个隆起部放置在所述第二个盖子的所述底座上。
4、如权利要求3所述的盖子,其特征在于所述周边密封唇边进一步包括一向内伸出的架子,并且所述底座设置在所述架子上。
5、如权利要求1所述的盖子,其特征在于多个所述隆起部被多个所述间隔分开,并且基本上均匀地分布在所述盖子周围。
6、如权利要求5所述的盖子,其特征在于每一所述间隔的周长大约为0.25英寸。
7、如权利要求5所述的盖子,其特征在于所述隆起部在间隔上大约凸出0.025英寸。
8、如权利要求1所述的盖子,其特征在于所述周边密封唇边进一步包括一外壁以及一从所述外壁伸出的刚性耳片。
9、一种与碗一起使用的盖子,所述碗设有一终止于一外缘的侧壁,所述盖子包括:
一中心圆盘;
一环绕所述圆盘的周边密封唇边,所述周边密封唇边的横截面大致呈U形,其由一内壁、一外壁以及设置在所述内壁和所述外壁之间的环形腹板限定而成;
而且在所述圆盘和所述内壁之间设有通气和阻止套叠部件,当所述盖子松弛地放置在碗上时,这些部件可用于向所述容器内通气,并在所述盖子堆叠在与之相应的盖子上时,用于阻止与相邻的相应盖子套叠。
10、如权利要求9所述的盖子,其特征在于所述通气和阻止套叠部件在所述盖子松弛地放置在碗上时,在碗和盖子之间至少限定一个空气通道。
11、如权利要求9所述的盖子,其特征在于所述通气和阻止套叠部件包括一由至少一个间隔分开的至少一个隆起部。
12、如权利要求11所述的盖子,其特征在于多个所述隆起部被多个所述间隔隔开,并且基本上均匀地分布在所述盖子周围。
13、如权利要求12所述的盖子,其特征在于每一所述间隔的周长大约为0.25英寸。
14、如权利要求12所述的盖子,其特征在于所述隆起部在间隔上大约凸出0.025英寸。
15、如权利要求9所述的盖子,其特征在于所述周边密封唇边进一步限定用于接纳相邻堆叠盖子的所述通风和阻止套叠部件的接纳件。
16、如权利要求15所述的盖子,其特征在于所述接纳件包括一由大致直立的壁环绕而成的底座,其中,当所述盖子堆叠在第二个这样的盖子上时,所述通风和阻止套叠部件放置在所述第二个盖子的所述底座上。
17、如权利要求16所述的盖子,其特征在于所述接纳件进一步包括一向内伸出的架子,并且所述底座设置在所述架子上。
18、如权利要求9所述的盖子,其特征在于所述周边密封唇边进一步包括一从所述外壁伸出的刚性耳片。
19、一种容器,包括:
一碗,其设有终止于一外缘的侧壁;
以及一有选择地可打开的盖子,所述盖子包括:
(i)一中心圆盘;
(ii)一环绕所述圆盘的周边密封唇边,所述周边密封唇边的横截面大致呈倒U形,从而限定了一可使所述碗的外缘装入的通道;
(iii)在所述圆盘和所述周边密封唇边之间形成的至少一个隆起部,所述隆起部由至少一个通气孔隔开,其中,如果从基本上垂直于圆盘的方向看去,所述隆起部和所述周边密封唇边至少部分地叠合在一起,当所述盖子松弛地放置在所述碗上时,所述隆起部靠在碗外缘上,并在所述盖子松弛地放在碗上时,所述透气孔在碗和周围空气之间限定一空气通道。
20、如权利要求19所述的容器,其特征在于所述周边密封唇边进一步包括一由大致直立的壁环绕而成的底座,其中,在所述盖子堆叠在第二个这样的盖子上时,所述至少一个隆起部放在所述第二个盖子的所述底座上。
21、如权利要求20所述的容器,其特征在于所述周边密封唇边进一步包括一向内伸出的架子,并且所述底座设置在所述架子上。
22、如权利要求19所述的容器,其特征在于多个所述隆起部被多个所述通气孔隔开,并且基本上均匀地分布在所述盖子周围。
23、如权利要求22所述的容器,其特征在于每一所述通气孔的周长大约为0.25英寸。
24、如权利要求22所述的容器,其特征在于所述隆起部在所述通气孔上大约凸出0.025英寸。
25、如权利要求19所述的容器,其特征在于所述周边密封唇边进一步包括一外壁以及一从所述外壁伸出的刚性耳片。
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ZA200201041B (en) 2003-04-30
DE60015550T2 (de) 2005-03-24
ATE281368T1 (de) 2004-11-15
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AU6900300A (en) 2001-03-05
BR0013280A (pt) 2002-05-07
HK1048100B (zh) 2004-10-21
KR100491255B1 (ko) 2005-05-25
CN1140437C (zh) 2004-03-03
JP2003506280A (ja) 2003-02-18
AR025090A1 (es) 2002-11-06
DE60015550D1 (de) 2004-12-09
PT1202915E (pt) 2005-03-31
US7017775B2 (en) 2006-03-28
EP1202915A1 (en) 2002-05-08
US20020148845A1 (en) 2002-10-17
WO2001010730A1 (en) 2001-02-15
MXPA02001423A (es) 2002-07-30
AU770850B2 (en) 2004-03-04
KR20020043552A (ko) 2002-06-10
EP1202915B1 (en) 2004-11-03
CA2380756A1 (en) 2001-02-15
ES2230151T3 (es) 2005-05-01
JP4614602B2 (ja) 2011-01-19

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