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    • 43. 发明申请
    • APPARATUS AND METHOD FOR NONWOVEN FIBROUS WEB
    • 非万维网的设备和方法
    • WO2005066398A1
    • 2005-07-21
    • PCT/US2004/040392
    • 2004-12-03
    • KIMBERLY-CLARK WORLDWIDE, INC.LASSIG, John, JosephCOOK, Michael, C.HAYNES, Bryan, DavidSMITH, Vicky, Susan
    • LASSIG, John, JosephCOOK, Michael, C.HAYNES, Bryan, DavidSMITH, Vicky, Susan
    • D01D4/02
    • D01D4/025D01D4/06D01D5/082Y10T442/60Y10T442/697
    • Disclosed is an apparatus and method for producing nonwoven fibrous webs. The apparatus comprises an extrusion die, first and second fluid supplies in cooperation with the die, first and second extrusion capillaries, first counterbores allowing fluid communication between first capillaries and first supply and second counterbores allowing fluid communication between second capillaries and second supply, each first counterbore having at least two first capillaries extending therefrom. The method comprises providing an extrusion die in communication with first and second fluid supplies and the die comprising first and second extrusion capillaries, first counterbores and second counterbores, each first counterbore having at least two of the first capillaries extending therefrom, providing a first fluidized polymer and a second fluid, conveying the polymer through the first supply, first counterbores and first capillaries to extrude a first plurality of fibers, and conveying the second fluid through the second supply, second counterbores and second capillaries.
    • 公开了一种用于生产非织造纤维网的设备和方法。 该装置包括挤出模头,与模具,第一和第二挤压毛细管协作的第一和第二流体供应源,第一沉孔允许第一毛细管之间的流体连通以及允许第二毛细管和第二供应物之间流体连通的第一供应源和第二沉降池, 沉孔具有从其延伸的至少两个第一毛细管。 该方法包括提供与第一和第二流体供应连通的挤出模头,模具包括第一和第二挤压毛细管,第一沉孔和第二沉孔,每个第一沉孔具有从其延伸的至少两个第一毛细管,提供第一流化聚合物 以及第二流体,其通过所述第一供应,第一沉降物和第一毛细管输送所述聚合物以挤出第一多个纤维,以及通过所述第二供应源,所述第二沉降物和第二毛细管输送所述第二流体。
    • 44. 发明申请
    • APPARATUS AND METHOD FOR CONTROLLED WIDTH EXTRUSION OF FILAMENTARY CURTAIN
    • 用于控制帘幕宽幅挤出的装置和方法
    • WO2005056890A1
    • 2005-06-23
    • PCT/US2004/028398
    • 2004-08-30
    • KIMBERLY-CLARK WORLDWIDE, INC.COOK, Michael, C.HAYNES, Bryan, David
    • COOK, Michael, C.HAYNES, Bryan, David
    • D01D4/02
    • D01D4/02
    • The invention provides a method for controlling the width of a plurality of extruded filaments comprising providing a polymer supply and an extrusion die comprising a plurality of extrusion capillaries and a plurality of counterbores allowing fluid communication between the extrusion capillaries and polymer supply, providing an adjustable insert for interrupting fluid communication between the polymer supply and at least one extrusion capillary, providing at least one fluidized polymer, conveying the polymer through the polymer supply, counterbores and extrusion capillaries to extrude a plurality of filaments, and interrupting the fluid communication between the polymer supply and at least one extrusion capillary by adjusting the insert. An apparatus for extruding filaments is also provided, comprising an extrusion die, polymer supply, extrusion capillaries, counterbores allowing fluid communication between the capillaries and polymer supply, and an adjustable insert for interrupting fluid communication between the polymer supply and at least one extrusion capillary.
    • 本发明提供了一种用于控制多个挤出长丝的宽度的方法,其包括提供聚合物供应和包括多个挤出毛细管的挤出模头和允许挤出毛细管与聚合物供应体之间流体连通的多个沉孔, 用于中断聚合物供应和至少一个挤出毛细管之间的流体连通,提供至少一种流化聚合物,将聚合物输送通过聚合物供应,沉降孔和挤出毛细管以挤出多根长丝,并中断聚合物供应 和至少一个挤出毛细管。 还提供了一种用于挤出长丝的设备,包括挤出模头,聚合物供应,挤出毛细管,允许毛细管和聚合物供应体之间流体连通的沉孔,以及用于中断聚合物供应与至少一个挤出毛细管之间的流体连通的可调节插入件。
    • 48. 发明申请
    • A NUCLEIC ACID EXTRACTION METHOD
    • 一种核酸提取方法
    • WO2008035991A2
    • 2008-03-27
    • PCT/NZ2007000273
    • 2007-09-19
    • COOK MICHAEL RONALD
    • COOK MICHAEL RONALD
    • C12N15/1006
    • The invention provides a method of isolating nucleic acid from biological material, the method comprising the steps: a) providing biological material suspended in a solution, b) adjusting the pH of the suspension from a) to within the range about pH 1 to about pH 6, c) contacting nucleic acid in the suspension from b) with an affinity matrix capable of binding the nucleic acid in the pH range about pH 1 to about pH 6, in order to bind the nucleic acid to the affinity matrix; and d) eluting the nucleic acid from the affinity matrix using a buffer with a pH of more than 8, wherein the method does not require a centrifugation or filtration step prior to step c).
    • 本发明提供了从生物材料中分离核酸的方法,所述方法包括以下步骤:a)提供悬浮于溶液中的生物材料,b)将所述悬浮液的pH从a)调节至约pH1至约pH范围内 6),c)使来自b)的悬浮液中的核酸与能够在约pH 1至约pH 6的pH范围内结合核酸的亲和基质接触,以便将核酸结合至亲和基质; 和d)使用pH大于8的缓冲液从亲和基质中洗脱核酸,其中该方法在步骤c)之前不需要离心或过滤步骤。