CN103261046B - 合成树脂制杯容器 - Google Patents
合成树脂制杯容器 Download PDFInfo
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Abstract
本发明的技术课题在于,在具有凸缘的杯状容器中,消除由凸缘引起的饮用时的饮用困难和不舒服感的问题。本发明的合成树脂制杯容器具有杯主体和凸缘件这两个部件,杯主体为有底筒状且在筒状的侧周壁的下端部连设有底部的部件,凸缘件为在筒状的嵌合筒片的上端外檐状地周设有凸缘、且在凸缘的下表面从基端部朝向外周缘方向形成有排气槽的部件,该合成树脂制杯容器构成为,将嵌合筒片嵌入组装在侧周壁的上端部而将凸缘件能够装拆地安装在杯主体的上端部。
Description
技术领域
本发明涉及合成树脂制杯容器。
背景技术
杯容器作为简便的一次性容器,使用于咖啡、果汁、酸奶等的饮食用等多种用途(例如参照专利文献1)。
图12是表示现有的杯容器的代表例的半纵剖主视图。
该杯容器101整体具有有底筒状的形状,是使底部106与圆筒状的侧周壁103的下端连接、并从侧周壁103的上端外檐状地周设凸缘116而成的形状。
关于这种杯容器,通常,在装填咖啡等内容液后,如图12中所示那样将封口膜(sealfilm)119的周缘部粘结于凸缘116的上端面,将上端开口部密封后使用。
然后,将封口膜119揭开后从开口部直接饮用内容液,或者将吸管刺穿封口膜119来饮用内容液。
在此,凸缘116是如上所述那样用于密封的部位,既是发挥抑制上端开口部变形的功能的部位,又是在内容物充填装置内的杯容器供给装置中用于使支承杯容器的姿势的支承爪片抵接的部位(以下记作供给装置中的支承部位),还是用于保持在充填装置内的运送用保持架上的部位,凸缘116在这种容器中为必要部位。
另外,关于这种装填有内容液的杯容器制品,有时在如上所述那样将上端开口部密封的状态下通过加热器或微波炉将内容液加热并以加热后的状态出售,或者利用者自身在加热后饮用。
现有技术文献
专利文献
专利文献1:日本特开2010-195440号公报
发明内容
如上所述,凸缘116在这种杯容器中为必要部位,但尤其当要将封口膜119揭开而从上端开口部直接饮用内容液时,存在该凸缘116成为阻碍而导致饮用困难,或者嘴唇感到不舒服感等问题。
另外,如上所述,这种装填有内容液的杯容器制品,若在上端开口部密封的状态下通过加热器或微波炉加热内容液,则容器内部成为加压状态,在为了饮用而揭开封口膜时,或者在将吸管刺穿封口膜时,存在内容液喷出这样的安全性问题。
而且,由于容器呈膨胀状地变形,所以也存在给利用者带来不安感、作为杯容器制品的商品性降低的问题。
因此,本发明的第一技术课题在于,在具有凸缘的杯状容器中,消除由凸缘引起的饮用时的饮用困难和不舒服感的问题,并且本发明的第二技术课题在于,在用于以将上端开口部密封的状态通过加热器或微波炉加热内容液的杯状容器中,抑制由加热导致的容器内部的压力上升。
用于解决上述课题的本发明的主要结构为,在合成树脂制杯容器中,
具有杯主体和凸缘件这两个部件,
杯主体为有底筒状且在筒状的侧周壁的下端部连设有底部的部件,
凸缘件为在筒状的嵌合筒片的上端外檐状地周设有凸缘的部件,
该合成树脂制杯容器构成为,将嵌合筒片嵌入组装在侧周壁的上端部而将凸缘件能够装拆地安装在杯主体的侧周壁的上端部。
在上述结构的杯容器中,在将凸缘件组装在杯主体上的状态下,与普通的带有凸缘的杯容器同样地,凸缘发挥防止上端开口部变形的功能、以及作为供给装置中的支承部位的功能,
在供于饮用时,能够将凸缘件拆下而从杯主体的侧周壁的上端开口部饮用内容液,从而能够完全消除由凸缘引起的饮用困难和不舒服感的问题。
此外,在例如杯主体和凸缘件中,通过凸缘的下表面与侧周壁的上端面的抵接,能够实现液密状的密封功能。
本发明的其他结构为,在上述主要的结构中,将封口膜的周缘部粘结于凸缘件的凸缘的上端面,通过该封口膜将凸缘件的上端开口部密封。
通常,在装填有咖啡等内容液的杯容器制品中,如上所述地通过封口膜将上端开口部密封而使用。
在拆下凸缘件并饮用了内容液的一部分后,将通过封口膜而上端开口部被密封的凸缘件再次安装在杯主体上,由此,能够放心地保管、进而携持盛有剩余内容液的杯容器。
此外,在装填有内容液的上述结构的杯容器制品中,优选的是,在从覆盖凸缘件的上端开口部的封口膜的周缘部到杯主体的侧周壁的范围内通过收缩膜进行外装,从而在更安全的状态下出售。
本发明的另一其他结构为,在上述主要结构中,
构成为,在侧周壁的上端部内周面上周设周突条,在嵌合筒片的外周面上周设周槽,通过这些周突条与周槽的嵌合来实现嵌合筒片向侧周壁的上端部的嵌入组装。
上述结构涉及卡定功能,用于防止由于杯容器的供给装置等中的作用于凸缘的向上方的力而导致凸缘件从杯主体脱落。
另外,通过在杯主体的上端部内周面上形成的周突条,能够发挥作为周肋的作用效果,在将凸缘主体拆下后,也能够抑制杯主体的上端开口部的变形。
此外,根据周突条与周槽的嵌合,能够发挥上述的卡定功能,并且能够发挥上述的密封功能。
本发明的另一其他结构为,在上述主要结构中,构成为将侧周壁的上端部和嵌合筒片螺纹结合。
根据上述结构,由于利用螺纹结合机构将凸缘件更为牢固地安装在杯主体上,所以,能够更高程度地发挥用于防止由于作用于凸缘的向上方的力而导致凸缘件脱落的卡定功能,并且能够通过螺纹松缓操作容易地将该牢固地安装的凸缘件拆下。
此外,在上述结构中,为了能够容易地进行螺纹结合以及螺纹松缓操作,优选在凸缘上配置用于防滑的滚花等凹凸图案。
本发明的另一其他结构为,在上述主要结构中,在凸缘的下表面,从基端部朝向外周缘方向形成有排气槽。
上述结构的杯容器通常作为装填有内容液并通过封口膜将凸缘件的上端开口部密封的杯容器制品而出售,但根据上述结构,在通过加热器或微波炉加热内容液而使容器内部的压力上升时,杯主体的侧周壁膨胀,由于该膨胀,在嵌入于该侧周壁的上端部的凸缘件的嵌合筒片与侧周壁之间形成间隙,容器内部的气体能够经由该间隙和在凸缘的下表面从基端部朝向外周缘方向形成的排气槽排出,从而能够有效地抑制容器内部的压力上升。
发明效果
本发明的合成树脂制杯容器具有上述结构,因此,起到以下所示效果。
即,在具有本发明的主要结构的合成树脂制杯容器中,由杯主体和凸缘件这两个部件构成杯容器,由此,与普通的带有凸缘的杯容器同样地,凸缘能够发挥防止上端开口部变形的功能、以及作为供给装置中的支承部位的功能,并且在供于饮用时,能够将凸缘件拆下而从杯主体的侧周壁的上端开口部饮用内容液,从而能够完全消除由凸缘引起的饮用困难和不舒服感的问题。
而且,在具有通过封口膜将凸缘件的上端开口部密封的结构的合成树脂制杯容器中,在拆下凸缘件并饮用了内容液的一部分后,将通过封口膜而开口部被密封的凸缘件再次安装在杯主体上,由此也能够放心地保管、进而携持盛有剩余内容液的杯容器。
另外,通过在凸缘件的凸缘的下表面形成排气槽,在通过加热器或微波炉加热内容液而使容器内部的压力上升时,容器主体的侧周壁膨胀,由于该膨胀,在嵌入于该侧周壁的上端部的凸缘件的嵌合筒片与侧周壁之间形成间隙,容器内部的气体经由该间隙和在凸缘的下表面从基端部朝向外周缘方向形成的排气槽排出,从而能够有效地抑制容器内部的压力上升,能够面向加热内容液而出售或使用的用途提供可安全且放心地使用的杯容器。
附图说明
图1是本发明的杯容器的一个实施例的从斜下方观察到的立体图。
图2是在图1的杯容器中,对将凸缘件从杯主体拆下后的状态进行观察而得到的立体图。
图3是对将图1的杯容器的上端部局部纵剖并将主要部分放大后的状态进行观察而得到的立体图。
图4是图1的杯容器的半纵剖主视图。
图5是本发明的杯容器的杯主体与凸缘件的嵌合方式的其他例子的、以与图3相同的状态观察到的立体图。
图6是本发明的杯容器的一个实施例的从斜下方观察到的立体图。
图7是在图6的杯容器中,对将凸缘件从杯主体拆下后的状态进行观察而得到的立体图。
图8的(a)是对将图6的杯容器的上端部局部纵剖并将主要部分放大后的状态进行观察而得到的立体图,图8的(b)是表示容器内部成为加压状态时的状态的、与图8的(a)以同样方式示出的立体图。
图9是将图7中的凸缘件的主要部分放大后从斜下方观察到的立体图。
图10是图6的杯容器的半纵剖主视图。
图11是本发明的杯容器的杯主体与凸缘件的嵌合方式的其他例子的、以与图8的(a)相同的状态观察到的立体图。
图12是杯容器的现有例的半纵剖主视图。
附图标记说明
具体实施方式
以下,按照实施例参照附图说明本发明的实施方式。
图1~图4是用于说明本发明的合成树脂制杯容器的一个实施例的图,图1是立体图,图2是表示将凸缘件11从杯主体2上拆下后的状态的立体图,图3是将上端部局部纵剖并将主要部分放大而观察到的立体图,图4是半纵剖主视图。
此外,在图4中示出了如下状态:将封口膜19的周缘部粘结于凸缘件11的凸缘16的上端面,通过该封口膜19将凸缘件11的上端开口部密封。
本实施例的杯容器1由以下两个部件构成:杯主体2,其为聚丙烯(PP)树脂制,是具有朝向下方缓慢缩径的圆筒状的侧周壁3且在下端部连设有底部6的部件;和凸缘件11,其为低密度聚乙烯(LDPE)树脂制,是在朝向下方缓慢缩径的圆筒状的嵌合筒片12的上端外檐状地周设有凸缘16的部件。
如图3详细所示,在杯主体2的侧周壁3的上端、且在内周面和外周面上周设有一对周突条4、4a,另外还在该周突条4、4a的稍下方周设有一对周突条5、5a。
另外,在凸缘件11的嵌合筒片12的外周面的、与上述的形成于侧周壁3内周面上的周突条4和周突条5相对的高度位置,分别配置有周槽14和周槽15。
而且,如图3、4所示,在周突条4、5呈嵌入状地嵌合于周槽14、15的状态下,凸缘件11呈嵌入状地组装并固定在杯主体2的侧周壁3的上端部。
通过该周突条4、5与周槽14、15的嵌合,能够发挥卡定功能,用于防止由于杯容器1的供给装置等中的作用于凸缘16的向上方的力而导致凸缘件11从杯主体2脱落。
在此,关于该利用了周突条4、5与周槽14、15的嵌合的卡定功能,需要牢固地调整成防止由于在上述供给装置等中作用的力而导致凸缘件11脱落的程度,另一方面,需要松缓地调整成能够在使用时通过手而容易地装拆凸缘件11的程度,这样的卡定功能的强弱能够通过周突条及周槽的截面形状以及配置条数或配置位置来进行调整。
当然,卡定功能不限定于上述那样的周突条与周槽的组合,也能够考虑供给装置等中的力的作用方向与通过手而进行的凸缘件的装拆中的力的作用方向的差异,采用例如将突条和突条进行组合而成为越位卡定部等各种卡定机构。
另外,相对于在供给装置等中经由凸缘16作用有单纯地将凸缘件11向上方拔出这样的力,在通过手而进行的凸缘件的拆卸操作中,边使凸缘件11转动边使力作用,或者边撬开凸缘件11边使力作用,因此,通过考虑该力的作用差异来构成卡定功能,能够同时实现凸缘件11在供给装置等中的耐拉拔性、和使用时的凸缘件11的易装拆性。
另外,在本实施例的杯容器1中,利用杯主体2的侧周壁3的上端面与凸缘16的下端面的抵接,并利用上述的周突条4、5与周槽14、15的嵌合来实现杯主体2与凸缘件11的液密状的密封。
而且,在供于饮用时,通过手进行撬动而如图2所示那样将凸缘件11拆下,从而能够没有由凸缘引起的饮用困难或不舒服感地顺畅地从没有凸缘16的杯主体2的侧周壁3的上端开口部饮用内容液。
另外,在杯主体2的侧周壁3的外周面上,在与配置于内周面上的周突条4和周突条5相对的位置分别配置有周突条4a、周突条5a,通过这些周突条4、4a和周突条5、5a而发挥周肋的作用效果,在供于饮用时,在如图2所示那样将凸缘件11拆下时也能够抑制杯主体2的上端开口部的变形,从而能够以稳定的姿势握持杯主体2。
在此,通常,在装填有咖啡等内容液的杯容器制品中,如图4所示那样将封口膜19的周缘部粘结于凸缘16的上端面,以通过该封口膜19将凸缘件11的上端开口部密封的状态出售,但在拆下凸缘件11并饮用了内容液的一部分后,将通过封口膜19密封了上端开口部的凸缘件11再次安装到杯主体2的上端部,由此,能够放心地保管、进而携持盛有剩余内容液的杯容器1。
接下来,图5表示杯主体2与凸缘件11的嵌合方式的其他例子,表示通过将杯主体2和凸缘件11螺纹结合而嵌合组装的例子,与图3同样地为对将杯容器1的上端部局部纵剖并将主要部分放大后的状态进行观察而得到的立体图,除嵌合方式的构成、以及在凸缘16的侧周壁上形成有作为一种凹凸图案18的滚花方面以外,其他结构与图1~4所示的杯容器相同。
在杯主体2的侧周壁3的内周面上配置有螺条7。另外在侧周壁3的上端、且在内周面和外周面上周设有一对周突条4、4a,在外周面的比螺条7靠下的位置周设有周突条5a。
另外,在凸缘件11上设置有与上述螺条7螺纹结合的螺槽17。
而且,能够通过这些螺条7与螺槽17的螺纹结合将凸缘件11牢固地且无法拔出地组装在杯主体2的上端部,并且能够通过螺纹松缓操作容易地将牢固地组装的凸缘件11拆下。
另外,为了能够容易地进行上述的螺纹结合以及螺纹松缓操作,在凸缘16的侧周面上形成有用于防滑的作为凹凸图案18的一例的滚花。
以上,按照实施例说明了本申请发明的实施方式及其作用效果,但本申请发明不限定于该实施例。以下实施方式在上述实施方式的杯容器1上设有排气机构。参照图6~图11进行说明。此外,图6是立体图,图7是表示将凸缘件11从杯主体2上拆下后的状态的立体图,图8是将上端部局部纵剖并将主要部分放大而观察到的立体图,图9是图8中的凸缘件的立体图,而且图10是半纵剖主视图。另外,在图8和图10中示出了如下状态:将封口膜19的周缘部粘结于凸缘件11的凸缘16的上端面,通过该封口膜19将凸缘件11的上端开口部密封。
本实施例的杯容器1也与上述实施例的杯容器同样地,由杯主体2和凸缘件11这两个部件构成,但特别的是,在本实施例的凸缘16的下表面,从该凸缘16的基端部朝向外周缘方向呈刻设状地形成有排气槽16g。
在此,图8的(b)是表示如下状态的立体图,即准备在本实施例的由杯主体2和凸缘件11这两个部件构成的杯容器1中装填咖啡等内容液后、如图10所示那样通过封口膜19将凸缘件11的上端开口部密封的杯容器制品,通过加热器加热内容液,使容器内部成为加压状态时的状态,是与图8的(a)以相同方式示出的立体图。
如该图8的(b)所示,由于内压上升而导致杯主体2的侧周壁3膨胀,由于该膨胀,在嵌入于该侧周壁3的上端部的凸缘件11的嵌合筒片12与侧周壁3之间、且在周突条4与周槽14之间形成间隙S,在图8的(b)中,如双点划线的箭头所示,容器内部的气体能够经由该间隙S和形成于凸缘16的下表面的排气槽16g排出,从而能够有效地抑制容器内部的压力上升。
此外,在本实施例中构成为使排气槽16g形成于一处的结构,但该排气槽16g的槽的截面形状及形成个数等能够适当选择。
另外,也能够考虑排气性而根据需要将该排气槽16g从凸缘16的基端部延伸设置到嵌合筒片12的外周面上端部。
接下来,图11表示杯主体2与凸缘件11的嵌合方式的其他例子,表示通过将杯主体2和凸缘件11螺纹结合而嵌合组装的例子,与图8的(a)同样地,是对将杯容器1的上端部局部纵剖并将主要部分放大后的状态进行观察而得到的立体图,除嵌合方式的构成、以及在凸缘16的侧周壁上形成有作为一种凹凸图案18的滚花方面以外,其他结构与图6~10所示的杯容器相同。
在杯主体2的侧周壁3的内周面上配置有螺条7。另外,在侧周壁3的上端、且在内周面和外周面上周设有一对周突条4、4a,在外周面的比螺条7靠下的位置周设有周突条5a。
另外,在凸缘件11上配置有与上述螺条7螺纹结合的螺槽17。
而且,能够通过这些螺条7与螺槽17的螺纹结合将凸缘件11牢固地且无法拔出地组装在杯主体2的上端部,并且能够通过螺纹松缓操作容易地将牢固地组装的凸缘件11拆下。
另外,为了能够容易地进行上述的螺纹结合以及螺纹松缓操作,在凸缘16的侧周面上形成有用于防滑的作为凹凸图案18的一例的滚花。
另外,在像这样通过将杯主体2和凸缘件11螺纹结合而嵌合组装的情况下,当容器内部成为加压状态时,容器内部的气体也能够经由螺条7与螺槽17的间隙、随着侧周壁3的膨胀而形成于周突条4和周槽14之间的间隙S、以及排气槽16g排出。
以上,按照实施例说明了本申请发明的实施方式及其作用效果,但本申请发明不限定于该实施例。
在上述实施例中,使杯主体2为PP树脂制,使凸缘件11为LDPE树脂制,但当然能够考虑杯主体2与凸缘件11的密封性、以及封口膜19的密封性、作为容器的刚性等而使杯主体2和凸缘件11为聚苯乙烯树脂、聚对苯二甲酸乙酯(PET)树脂等其他合成树脂制。
另外,侧周壁3与嵌合筒片12的液密状的密封方式、以及杯主体2与凸缘件11的嵌合方式也没有特别限定,能够考虑凸缘件11的耐拉拔性以及易于装拆等而从各种密封方式以及嵌合方式中进行适当选择。
工业实用性
如以上说明那样,本发明的杯容器由杯主体和凸缘件这两个部件构成,由此,消除了由凸缘引起的饮用困难和不舒服感的问题,能够期待广泛地展开利用于咖啡、果汁、酸奶等的饮食品用途。
另外,在凸缘上形成有排气槽的情况下,本发明的杯容器能够有效地抑制容器内部的压力上升,从而还能够安全且放心地使用,能够期待广泛地展开利用于加热内容液而使用的用途。
Claims (6)
1.一种合成树脂制杯容器,具有杯主体(2)和凸缘件(11)这两个部件,所述杯主体(2)为有底筒状且在筒状的侧周壁(3)的下端部连设有底部(6)的部件,所述凸缘件(11)为在筒状的嵌合筒片(12)的上端外檐状地周设有凸缘(16)、且将封口膜(19)的周缘部粘结于凸缘件(11)的凸缘(16)的上端面并通过该封口膜(19)将凸缘件(11)的上端开口部密封的部件,所述合成树脂制杯容器构成为,将所述嵌合筒片(12)嵌入组装在侧周壁(3)的上端部而将所述凸缘件(11)能够装拆地安装在所述杯主体(2)的上端部。
2.如权利要求1所述的合成树脂制杯容器,其特征在于,构成为,在侧周壁(3)的上端部内周面上周设周突条,在嵌合筒片(12)的外周面上周设周槽,通过所述周突条与周槽的嵌合来实现嵌合筒片(12)向所述侧周壁(3)的上端部的嵌入组装。
3.如权利要求1或2所述的合成树脂制杯容器,其特征在于,构成为将侧周壁(3)的上端部和嵌合筒片(12)螺纹结合。
4.如权利要求3所述的合成树脂制杯容器,其特征在于,在凸缘(16)上配置有用于防滑的凹凸图案。
5.如权利要求1或2所述的合成树脂制杯容器,其特征在于,在凸缘(16)的下表面,从该凸缘(16)的基端部朝向外周缘方向形成有排气槽(16g)。
6.如权利要求3所述的合成树脂制杯容器,其特征在于,在凸缘(16)的下表面,从该凸缘(16)的基端部朝向外周缘方向形成有排气槽(16g)。
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WO (1) | WO2013047554A1 (zh) |
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GB201205243D0 (en) | 2012-03-26 | 2012-05-09 | Kraft Foods R & D Inc | Packaging and method of opening |
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GB2511559B (en) | 2013-03-07 | 2018-11-14 | Mondelez Uk R&D Ltd | Improved Packaging and Method of Forming Packaging |
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JP7062872B2 (ja) * | 2016-06-10 | 2022-05-09 | 東洋製罐グループホールディングス株式会社 | 樹脂製密閉容器 |
CN106628651B (zh) * | 2016-11-30 | 2019-02-19 | 康葵 | 便携式微波加热食品包装容器 |
US20180194520A1 (en) * | 2017-01-09 | 2018-07-12 | Charles Lovern | Vessel with antimicrobial rim |
WO2018226800A1 (en) * | 2017-06-09 | 2018-12-13 | Entegris, Inc. | Substrate container with particle mitigation feature |
US10947018B2 (en) * | 2018-06-06 | 2021-03-16 | Clarity, Inc. | Cups and containers with a living hinge and sleeves |
US11254473B2 (en) | 2018-06-06 | 2022-02-22 | Clarity, Inc. | Cups and containers with a living hinge and sleeves |
USD873613S1 (en) | 2018-06-07 | 2020-01-28 | Clarity, Inc. | Cup with a lid |
USD885838S1 (en) | 2018-06-07 | 2020-06-02 | Clarity, Inc. | Cup with a living hinge and an attached lid having an outer lip and an inner dual seal |
US11530070B2 (en) * | 2019-10-21 | 2022-12-20 | Lavazza Professional North America Llc | Paper cup and method of forming the same |
JP2022086498A (ja) * | 2020-11-30 | 2022-06-09 | 株式会社エンプラス | 容器 |
KR102313278B1 (ko) * | 2021-04-08 | 2021-10-14 | 유정현 | 영상 출력 가능한 텀블러 |
US11794943B2 (en) * | 2021-06-03 | 2023-10-24 | Alonso Garcia Sanchez | Tray container |
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- 2012-09-26 CA CA2856110A patent/CA2856110C/en not_active Expired - Fee Related
- 2012-09-26 KR KR1020137020200A patent/KR101969181B1/ko active IP Right Grant
- 2012-09-26 US US14/348,761 patent/US9700163B2/en not_active Expired - Fee Related
- 2012-09-26 EP EP12836618.4A patent/EP2762418B1/en not_active Not-in-force
- 2012-09-26 CN CN201280004116.1A patent/CN103261046B/zh not_active Expired - Fee Related
- 2012-09-26 AU AU2012317573A patent/AU2012317573B2/en not_active Ceased
- 2012-09-26 WO PCT/JP2012/074641 patent/WO2013047554A1/ja active Application Filing
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WO2009132318A1 (en) * | 2008-04-25 | 2009-10-29 | Seanet Development, Inc. | Molded, recyclable, compostable cellulose fiber lid assembly for a container |
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Also Published As
Publication number | Publication date |
---|---|
KR101969181B1 (ko) | 2019-04-15 |
WO2013047554A1 (ja) | 2013-04-04 |
CA2856110C (en) | 2018-08-21 |
AU2012317573A1 (en) | 2014-04-24 |
EP2762418A4 (en) | 2015-05-20 |
CN103261046A (zh) | 2013-08-21 |
EP2762418B1 (en) | 2016-09-21 |
US20140246351A1 (en) | 2014-09-04 |
AU2012317573B2 (en) | 2016-09-01 |
US9700163B2 (en) | 2017-07-11 |
CA2856110A1 (en) | 2013-04-04 |
KR20140068796A (ko) | 2014-06-09 |
EP2762418A1 (en) | 2014-08-06 |
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