CN1096991C - 用于饮料的擅开显示封闭件 - Google Patents
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- B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
- B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
- B65D1/0223—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by shape
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- B65D41/00—Caps, 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
- B65D41/02—Caps or cap-like covers without lines of weakness, tearing strips, tags, or like opening or removal devices
- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
- B65D41/0435—Threaded or like caps or cap-like covers secured by rotation with separate sealing elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65D41/04—Threaded or like caps or cap-like covers secured by rotation
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- B65D41/00—Caps, 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
- B65D41/32—Caps 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
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
- B65D41/3404—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt with ratchet-and-pawl mechanism between the container and the closure skirt or the tamper element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
- B29C2949/0772—Closure retaining means
- B29C2949/0773—Threads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/076—Preforms or parisons characterised by their configuration characterised by the shape
- B29C2949/0768—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform
- B29C2949/077—Preforms or parisons characterised by their configuration characterised by the shape characterised by the shape of specific parts of preform characterised by the neck
- B29C2949/0772—Closure retaining means
- B29C2949/0773—Threads
- B29C2949/0774—Interrupted threads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D2401/00—Tamper-indicating means
- B65D2401/15—Tearable part of the closure
- B65D2401/35—Vertical or axial lines of weakness
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Abstract
一种擅开显示封闭件,具有一顶部(12)和一与容器(36)的边缘(42)相互作用的内部密封部分(22,54)。顶部还具有一带有内部保持元件(20)的悬垂裙部(14),该内部保持元件(20)与容器颈部(40)上的外部保持元件(44)相互作用。封闭件上的锁紧元件(32)与容器颈部上的止动元件(50)配合,以防止安装后转动。封闭件还包括一拉手(16),该拉手(16)由使用者接触,将以刻痕线(28,30)形式出现的擅开显示元件破坏,从而允许打开封闭件。
Description
技术领域
本发明涉及一种擅开显示封闭件,该封闭件为盛放非碳酸饮料或碳酸饮料,如软饮料或啤酒,的容器或瓶子提供有效密封并显示其状态。更特别地,本发明的封闭件包括带有一铰接部分的塑料扭转盖,该铰接部分必须抬起以打开容器或瓶子,从而为容器或瓶子的状态,即它已经被打开或擅开过,提供了清楚而明确的标记。
背景技术
封闭件如冠状封口或盖经常使用,且在本领域中公知地用于密封一般盛放碳酸饮料或其它饮料的容器或瓶子的开口。至于冠状封口,它们通常由金属板材料制成,并包括一顶部和一带张开外缘的侧壁。该外缘包括多个以间隔开的间距环绕其圆周延伸的凹槽。当贴合以盖住瓶子的开口端时,这些凹槽在顶部与外缘交界点处被弯折或卷边,抓住位于瓶子开口上边沿上的卷边用于密封。
为了获得能够承受所盛放的碳酸或其它饮料的压力的具有足够强度的封口,一般使用一金属如钢来形成冠状封口。为了提供有效的气密密封,金属冠状封口一般包括一与冠状封口顶部内侧相连的密封垫圈或衬里。这种衬里通常由塑料或类似的弹性材料制成,当它贴合到瓶子上时在瓶子开口与金属冠状封口之间提供密封。
在最近几年中,金属“拧下”冠状封口变得更受欢迎,并被大批饮料制造商使用。该拧下冠状封口一般包括内螺纹,该内螺纹在冠状封口的凹槽被弯折或卷边到位置接近容器或瓶子开口上部边沿的外螺纹上时形成。该拧下冠状封口通过旋转冠状封口将其从瓶子上松开,不使用瓶子开启工具就可将其取走。但金属凹槽比较尖锐,当使用者捡起或打开瓶子而抓住时会不舒服。特别是拧下冠状封口设计,当取走冠状封口时凹槽的尖锐边缘会引起疼痛。另外,涉及到擅开显示,冠状封口,特别是拧下冠状封口在被取走后,很少或没有瓶子已经被打开或擅开过的显示,可以很容易地替换到瓶子上。
由于上述金属冠状封口的缺点和局限性,在现有技术中提出了使用塑料封闭件用于盛放加压饮料的瓶子。这种塑料封闭件盖的现有技术的设计相对于金属冠状封口具有几个优点。这些优点中包括易于使用,低扭矩取走,瓶子面层的更好保护,在取走过程中伤害使用者手的可能性更小,如果不小心丢弃伤害其他人的可能性更小,以及生物降解的潜力。
但是,尽管有这些优点,现有技术中的塑料封闭件还是有一些缺点,限制了它们在商业应用上的使用。例如,为了在延长时间段内提供足够的密封整体性以确保气密密封,在一些塑料盖中插入一内裙部,该内裙部进入瓶口中对所盛放的饮料进行压力密封。其它塑料盖包括一外部加强垫圈,用于将封闭件固定在瓶口的边沿上。另有其它的塑料封闭件将下面的特征组合起来,完全拧到瓶子上用于气密配合,同时使用一内缘用于附加的压力密封。为了包括这些特征,需要另外的材料,制造步骤和/或特殊设备,增加了制造对带有这种盖的容器进行密封的盖的时间和成本。
现有技术塑料封闭件的另一个缺点是,封闭件可以相对容易地被对瓶子擅开的人用手取走。另外,在这些现有技术设计中没有能够用来确定或检测瓶子是否被未经授权的人事先打开然后重新密封上的方便的方法。
因此,用于瓶子或其它容器的金属冠状封口和现有技术塑料封闭件被缺点和问题所困挠。所有上述缺点都可以通过本发明而减少到最小或消除。
发明内容
本发明提供一种新的和独特的擅开显示封闭件,该封闭件包括一扭转盖和一容器如瓶子。该容器可盛放非碳酸饮料或碳酸饮料如软饮料或啤酒。扭转盖优选由塑料制成,并可制成具有一般用于对盛放碳酸饮料或非碳酸饮料的瓶子进行密封的金属冠状封口的外形。本发明的封闭件提供一种气密密封,并可很容易地打开,而没有当打开常规拧下金属冠状封口时发生的不舒服。该封闭件还包括一擅开显示装置,该擅开显示装置为容器的状态-即容器是否被事先打开或擅自打开过-提供清楚的显示。
一般地,本发明的擅开显示封闭件包括一由塑料制成的扭转盖,该扭转盖包括一顶部和一内部密封装置,该内部密封装置与容器颈部的边缘接触以提供一气密密封。顶部还具有一环形悬垂裙部,该裙部与容器颈部配合以对其进行封闭。悬垂裙部包括一内部保持装置,该内部保持装置与位于容器颈部表面的外部保持装置相互作用,从而当将盖拧到容器颈部上时,盖被拉到颈部上,且盖的内部密封装置以足够的力压靠在颈部的边缘上以提供一气密密封配合。容器的外部保持装置具有一强制止动装置,该强制止动装置与盖的内部保持装置相互作用,从而当将盖拧到容器颈部上时,该强制止动装置以一预定水平的密封力和覆盖扭矩配合。悬垂裙部还包括在容器被密封后将盖锁定到位的锁紧装置。锁紧装置与容器上的强制止动装置相互作用,以防止当将盖拧到容器颈部上之后,盖被在至少一个方向上旋转并松开或从容器上拧下。只有当擅开显示装置被接触,显示容器已经被打开后,锁紧装置才松开,该擅开显示装置包一个带有横跨盖顶部的铰链的铰链部分,该铰接部分必须抬起才能打开容器,从而显示容器已经被打开或擅自打开过。
优选地,擅开显示装置还包括两条从铰链端部沿裙部侧部直线向下延伸到裙部底部的悬垂裙部中的两条减弱线。铰接部分还包括一拉手,该拉手用于在打开容器时将铰接部分向上拉起,从而使减弱线断开,并提供容器已经被打开或擅自打开过的证据。
在一优选实施例中,盖的内部保持装置包括位于裙部内壁上的一个或多个突起或螺纹,强制止动装置包括位于容器颈部表面上的适当的配合突起或螺纹。悬垂裙部的锁紧装置包括从裙部部分的内壁伸出的一个或多个折板,该折板包括在盖的铰接部分中。当将盖拧到容器颈部上时,该折板充分偏移,以将盖贴合和密封到容器上。当试图不首先抬起盖的铰接部分而将盖从容器上松开或拧下时,折板与强制止动装置配合,以防止在至少一个方向上旋转并从容器上松开或拧下。只有当盖的铰接部分从容器上抬起后,折板才松开。当铰接部分从容器上抬起时,容器内部的压力被释放,从而为消费者提供了一种安全开启。然后铰接部分保持抬起状态,从而提供了容器已经被打开或擅自打开过的证据。一旦铰接部分抬起,折板松开,就可以通过从容器上拧下盖而将其安全地打开。
在优选实施例中,盖的内部密封装置包括一衬垫,该衬垫在盖施加到容器上之前放置在盖的顶部与盖的内部保持装置之间。该衬垫优选地由乙烯乙酸乙烯酯或其它类似的聚烯烃如聚氯乙烯(PVC)制成。衬垫的直径优选地与悬垂裙部的内径大致相同。当将盖施加到容器上时,衬垫初始地位于容器颈部的边缘顶部。当将盖进一步拧到容器上实现密封配合时,衬垫的外部圆周被夹住并压在容器颈部的边缘和盖的内角之间,从而为容器提供气密密封,顶部在该处与悬垂裙部接触。
因此,本发明的封闭件设计用于容器,如盛放碳酸饮料的瓶子,以提供一气密密封,并且同时,显示容器的状态从而提供擅开的证据。本发明的封闭件还进一步提供了一般用于密封盛放碳酸饮料的瓶子的金属冠状封口的替换物,还可以制成具有金属冠状封口的装饰性外表。
插入并构成本说明书一部分的附图表示本发明的示例性的实施例。
附图说明
图1是本发明中擅开显示封闭件的盖的一实施例的前视图;
图2是图1中盖顶部的平面图;
图3是图1中盖的前视剖面图;
图4是图1中盖的底部的平面图;
图5是容器,如一瓶子颈部的前视图图1的盖施加在该瓶子颈部上;
图6是图5中容器顶部的平面图;
图7表示将图1中的盖封闭到图5中的容器上;
图8是在图5中的容器上的图1中的盖的前视图;
图9是在图5中的容器上的图1中的盖的侧视图;
图10是在图5中的容器上的图1中的盖的平面图;
图11是沿图7中11-11线所取的图7的局部平面图;
图12是在图5中的容器上的图1中的盖的前视图,其中盖的一铰接部分被抬起,从而显示容器被打开或擅自打开过;
图13是图12中盖和容器的顶视图,表示当盖的铰接部分被如图12所示抬起后,从容器上取下盖所需的旋转运动。
优选实施例说明
参照图1至4,示出了本发明中擅开显示封闭件的盖的一优选实施例。盖10由塑料材料制成,包括一顶部12,一环形悬垂裙部14和一拉手16。在所示实施例中,将盖制成具有一金属冠状密封件的外形,该金属冠状密封件一般用于密封装有碳酸饮料的瓶子。这样悬垂裙部14包括多个凹槽18,该凹槽18不起功能性的作用,而仅是装饰性的。可以包括这样的凹槽以提供常规金属冠状密封件的装饰性外观。
裙部14内部包括多个从裙部14底部向内延伸的突起或突缘20。盖10还包括一铰接部分26,其功能是打开装有盖的容器,并提供容器已被打开或擅自打开过的证据。铰接部分26包括盖的拉手16,横跨盖的顶部12直线延伸的一铰链28,以及从铰链端部沿外缘侧部直线向下延伸到外缘底部的悬垂裙部中的两条减弱线30。如下面将进一步描述的,当通过在拉手16上施加向上的力而将铰接部分26抬起时,减弱线30将裂开。铰链28是盖顶部12的一减弱部分,允许铰接部分26从容器向上抬起,而铰接部分26不与盖10的其余部分分离。
优选地,铰链28应位于盖顶部12上某一点处,使盖的铰接部分26中包含的顶部12有大约150度弧长。铰接部分26还包括从裙部14部分的内壁34向内延伸的折板32,该裙部14形成铰接部分26的一部分。折板32的角度使其在将盖拧到容器颈部以使盖贴合和密封在容器上时能够充分地向内壁34偏转。如下面将详细描述的,折板32的另一个功能是,当试图不首先抬起盖的铰接部分26而拧下盖时,防止盖被从容器上拧下或扭转下来。
现在参照图5和6,示出了与图1至4中描述和显示的本发明的盖一起使用的容器的优选实施例的两个视图。本发明的容器可由任何合适的材料制成,但优选的是由塑料或玻璃制成。图5示出具有一支承环38和一上部40的容器颈部36。上部40包括一螺纹状突起44形式的外部固定装置,该螺纹状突起44包括一导入部46和一包括止动面50和52的强制止动部分48。如可从表示容器顶部平面视图的图6中很容易地看到的,螺纹状突起44的导入部46优选地包括一倾斜部分47,该倾斜部分47的功能是更容易地将盖10贴合到容器颈部36上,下面将详细描述。
图7-11表示图1-4中的盖与图5和6中的容器颈部36处于封闭和密封配合状态。在将盖10施加到容器36上之前,将一衬垫54放置在盖的突缘20和顶部10之间。该衬垫优选地由乙烯乙酸乙烯酯或其它类似的聚烯烃如聚氯乙烯(PVC)制成。该衬垫的直径优选地与悬垂裙部的内径大致相同。为密封容器,将图1-4中的盖10拧到容器颈部36的上部40上。在将盖10拧到容器颈部36上的过程中,盖的突缘20与容器颈部上部40的螺纹状突起44的导入部46配合,从而将盖10拉到容器颈部36的上部40上,直到盖突缘20的前缘与止动部分48的止动面50接触。在将盖拧到容器上的过程中,当经过容器颈部36的螺纹状突起44时,盖裙部14的折板32向裙部14的内壁34偏移。当盖10被拉到容器颈部36的上部40上后,衬垫54与容器颈部的边缘42配合。当将盖进一步拧到容器上以实现密封配合时,衬垫54的外圆周56被夹住并压在容器颈部的边沿和盖的内角22之间,从而为容器提供气密密封,顶部10在该处与悬垂裙部14接触。
如图11中最清楚地表示的,当盖密封到容器颈部36上后,不能简单地通过从容器上拧下盖而将其取走。当盖10拧到容器上后,任何不首先抬起盖的铰接部分26而从容器颈部36上拧下盖的企图都将导致折板32与螺纹形突起44的止动面52接触,从而防止盖被拧下和容器的开启。如下面将进一步描述的,只有当盖10的铰接部分26从容器抬起后,折板32才松开,从而开启容器,并提供容器被打开或擅开过的证据。
现在参照图12和13,表示本发明封闭件的打开以及封闭件的擅开显示装置的配合。如图12所示,本发明的封闭件通过首先以足够的力向上拉动盖10的拉手16,使减弱线30断开,然后绕铰链28弯折铰接部分26而打开。当拉手16被拉起时,来自容器内部的压力被释放,提供了容器被打开的证据,同时,图4和11中所示包括在铰接部分26中的折板32也被松开。折板32的松开允许盖10从容器上完全拧下,如图13所示,从而向用户提供安全开启。即使盖10被重新贴合到容器上,两条断开的减弱线30也将提供容器已经被开启或擅自打开过的清楚而明确的提示。
本发明从它更宽的方面讲并不局限于所描述的特定实施例,在不脱离本发明的原理和不牺牲其主要优点的前提下,可以在附属权利要求的范围内从这里开始进行一些改变。
Claims (14)
1.一种用于容纳产品的容器-封闭件组合物,包括:
一容器,包括:
(a)一用于接收或排出产品的开口;
(b)一环绕该开口的颈部;
(c)上述颈部包括外部固定装置和强制止动装置;
一封闭件,包括:
(a)一顶部;
(b)一悬垂的裙部,包括:
(i)内部保持装置,当封闭件施加到容器上时该内部保持装置与容器的上述外部保持装置配合,从而将封闭件推到容器的颈部上;
(ii)锁紧装置,当封闭件施加到上述容器上后,该锁紧装置与上述容器的强制止动装置相互作用,以防止封闭件在至少一个方向上旋转并从上述容器上脱开;
(c)擅开显示装置,该擅开显示装置可被接合用,以指示容器已被开启,并其可松开上述锁紧装置,以允许上述封闭件从上述容器上脱开,擅开显示装置包括一个铰接部分,该铰接部分带有一个横跨盖顶部的铰链。
2.如权利要求1所述的容器-封闭件组合物,其特征在于,上述擅开显示装置还包括两条从上述铰链端部沿悬垂裙部向下延伸的减弱线,从而当向上述铰接部分施加向上的力时上述减弱线断开,从而指示容器的状态。
3.如权利要求2所述的容器-封闭件组合物,其特征在于,上述铰接部分包括上述锁紧装置,当上述铰接部分被绕上述铰链向上拉时上述锁紧装置被松开。
4.如权利要求1所述的容器-封闭件组合物,其特征在于,上述锁紧装置包括折板,当封闭件施加到容器上时该折板偏转并经过上述外部保持装置和强制止动装置,当试图在接触上述擅开显示装置之前,使封闭件从容器上脱开时,该折板与上述强制止动装置配合,从而在接触上述擅开显示装置之前,且在封闭件施加到容器上之后防止盖从容器上脱开。
5.如权利要求2所述的容器-封闭件组合物,其特征在于,上述铰接部分包括一拉手,该拉手用于协助绕上述铰链向上拉动铰接部分。
6.如权利要求2所述的容器-封闭件组合物,其特征在于,上述铰链包括一位于盖顶部的减弱部分,该减弱部分允许上述铰接部分向上拉起,上述减弱部分包括上述顶部的一个部分,该部分横跨上述盖的顶部将位于悬垂裙部上的减弱线联接起来。
7.如权利要求1所述的容器-封闭件组合物,其特征在于,在将盖施加到容器上时,当上述内部保持装置与容器的上述外部保持装置配合后,上述内部保持装置适于与上述强制止动装置接触,从而防止在容器被封闭件密封后封闭件被进一步拧紧。
8.一种用于容器的封闭件,该容器具有一用于接收或排出产品的开口,并具有一环绕该开口的颈部,该颈部包括外部保持装置和强制止动装置,包括:
(a)一顶部;
(b)一悬垂的裙部,包括:
(i)内部保持装置,当封闭件贴合到容器上时该内部保持装置与容器的上述外部保持装置配合,从而将封闭件推到容器的颈部上;
(ii)锁紧装置,当封闭件施加到上述容器上后,该锁紧装置与上述容器的强制止动装置相互作用,以防止封闭件在至少一个方向上旋转并从上述容器上脱开;
(c)擅开显示装置,该擅开显示装置可被接合以显示容器已被开启,并其可松开上述锁紧装置,以允许上述封闭件从上述容器上脱开,擅开显示装置包括一个铰接部分,该铰接部分带有一个横跨盖顶部的铰链。
9.如权利要求8所述的封闭件,其特征在于,上述擅开显示装置还包括两条从上述铰链端部沿悬垂裙部向下延伸的减弱线,从而当向上述铰接部分施加向上的力时上述减弱线将断开,从而显示容器的状态。
10.如权利要求9所述的封闭件,其特征在于,上述铰接部分包括上述锁紧装置,由此,当上述铰接部分被绕上述铰链向上拉起时,上述锁紧装置松开。
11.如权利要求8所述的封闭件,其特征在于,上述锁紧装置包括折板,当封闭件施加到容器上时该折板偏移并经过上述外部保持装置和强制止动装置,当试图在接触上述擅开显示装置之前将封闭件从容器上脱开时,该拆板与上述强制止动装置配合,从而在接触了上述擅开显示装置之前,且在封闭件施加到容器上之后防止盖从容器上脱开。
12.如权利要求9所述的封闭件,其特征在于,上述铰接部分包括一拉手,该拉手用于协助绕上述铰链向上拉动铰接部分。
13.如权利要求9所述的封闭件,其特征在于,上述铰链包括一位于盖顶部上的减弱部分,该减弱部分允许上述铰接部分向上拉起,上述减弱部分包括上述顶部的一个部分,该部分横跨上述盖的顶部将位于悬垂裙部上的减弱线联接起来。
14.如权利要求8所述的封闭件,其特征在于,在将盖施加到容器上时,当上述内部保持装置与容器的上述外部保持装置配合后,上述内部保持装置适于与上述强制止动装置接触,从而防止在容器被封闭件密封后封闭件被进一步拧紧。
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US09/009,278 US5984125A (en) | 1998-01-20 | 1998-01-20 | Tamper evident closure for beverages |
US09/009,278 | 1998-01-20 |
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EP (1) | EP1056652A1 (zh) |
JP (1) | JP2002509057A (zh) |
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WO1999036326A1 (en) | 1999-07-22 |
TR200002125T2 (tr) | 2000-12-21 |
US5984125A (en) | 1999-11-16 |
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CN1288430A (zh) | 2001-03-21 |
KR20010034041A (ko) | 2001-04-25 |
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CA2318634A1 (en) | 1999-07-22 |
BR9907089A (pt) | 2000-10-24 |
AU2330199A (en) | 1999-08-02 |
US6158603A (en) | 2000-12-12 |
JP2002509057A (ja) | 2002-03-26 |
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