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公开(公告)号：US06955077B2
公开(公告)日：2005-10-18
申请号：US10140990
申请日：2002-05-09
CPC分类号： B01L3/0279 , B01L2200/0689 , B01L2200/087
摘要： A pipette tip member having an elongated tubular receptacle having a sidewall with a bifurcated section that comprises first, second, and third sidewall portions. The first sidewall portion comprises a base wall and the second and third sidewall portions branch therefrom. The second sidewall portion comprises an outside branch wall, and the third sidewall portion comprises an inside branch wall spaced substantially parallel with and radially inward from the second sidewall portion. The inside branch wall is flexible in the radial direction and engages a pipette tip when it is inserted into the receptacle and to form a fluid-tight seal therewith. A method of forming a pipette tip member is also disclosed.
摘要翻译： 具有细长管状容器的移液管尖端构件，其具有侧壁，所述侧壁具有包括第一，第二和第三侧壁部分的分叉部分。 第一侧壁部分包括底壁，并且第二和第三侧壁部分从其分支。 第二侧壁部分包括外侧分支壁，并且第三侧壁部分包括与第二侧壁部分基本上平行且径向向内间隔开的内部分支壁。 内分支壁在径向方向上是柔性的，并且当移液管插头插入到容器中并且与移液管尖端形成不透液体的密封。 还公开了一种形成移液管末端部件的方法。
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公开(公告)号：US07047828B2
公开(公告)日：2006-05-23
申请号：US10364667
申请日：2003-02-12
IPC分类号： G01N1/00
CPC分类号： B01L3/0279 , B01L2200/0689 , B01L2200/087
摘要： A pipette tip member has an elongated tubular receptacle including a sidewall with a plurality of stabilizing projections extending from the sidewall for aligning the pipette shaft, and a sidewall with a bifurcated section that includes first, second, and third sidewall portions. The first sidewall portion defines a base wall and the second and third sidewall portions branch therefrom. The second sidewall portion is an outside branch wall, and the third sidewall portion is an inside branch wall spaced substantially parallel with and radially inward from the second sidewall portion. The inside branch wall is flexible in the radial direction and engages a pipette shaft when it is inserted into the receptacle and to form a fluid-tight seal therewith. A method of forming a pipette tip member is also enclosed.
摘要翻译： 移液管末端构件具有细长的管状容器，其包括侧壁，所述侧壁具有从侧壁延伸用于对准移液管轴的多个稳定突起，以及具有包括第一，第二和第三侧壁部分的分叉部分的侧壁。 第一侧壁部分限定底壁，并且第二和第三侧壁部分从其分支。 第二侧壁部分是外侧分支壁，并且第三侧壁部分是与第二侧壁部分大致平行且径向向内间隔的内部分支壁。 内分支壁在径向方向上是柔性的，并且当移入管轴被插入到容器中并且与其形成流体密封时。 也封闭形成移液管末端部件的方法。
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公开(公告)号：US06596240B2
公开(公告)日：2003-07-22
申请号：US09758430
申请日：2001-01-12
IPC分类号： B01L302
CPC分类号： B29C45/4407 , B01L3/0275 , B01L2200/0689 , B01L2200/12
摘要： A pipette tip member having an elongated tubular receptacle with a protrusion on an inner surface of the receptacle, and a recess on the inner surface adjacent the protrusion. The tip member has a generally conical shape and the protrusion extends around the inner surface to form an annular sealing ring. The protrusion has a V-shaped axial cross section with edges that intersect at an angle between about 30° and about 120°. The recess has a generally circular axial cross section and the recess is disposed proximal to the protrusion in the axial direction. The recess depth is about as great as the protrusion height. A method of forming a pipette tip member is also disclosed.
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