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    • 2. 发明申请
    • Method and apparatus for the production of nonwoven web materials
    • 用于生产非织造纤维网材料的方法和设备
    • US20050087287A1
    • 2005-04-28
    • US10694153
    • 2003-10-27
    • Eric LennonThomas BrockBryan HaynesDouglas Hulslander
    • Eric LennonThomas BrockBryan HaynesDouglas Hulslander
    • D01D5/098D04H3/14D04H3/02D04H3/16
    • D01D5/0985D01D10/00D04H3/14
    • The present invention provides a method of making a nonwoven web, the method including the steps of providing plurality of fibers and subjecting the fibers to a pneumatic attenuation force which imparts a velocity to the fibers, reducing the velocity of the fibers in a diffusion chamber which is formed substantially between opposed diverging sidewalls, subjecting the fibers to an applied electrostatic charge, and thereafter collecting the fibers into a web on a moving forming surface. The invention also provides an apparatus for forming nonwoven webs, the apparatus comprising a source of fibers, a fiber attenuation chamber, a diffusion chamber formed substantially between opposed diverging sidewalls, the diffusion chamber located below the fiber attenuation chamber, and a forming surface for collecting the fibers as a nonwoven web.
    • 本发明提供一种制造非织造纤维网的方法,该方法包括以下步骤:提供多根纤维并使纤维经受赋予纤维速度的气动衰减力,降低扩散室中纤维的速度, 基本上形成在相对的发散侧壁之间,对所述纤维进行施加的静电荷,然后将纤维收集到移动的成形表面上的幅材中。 本发明还提供了一种用于形成非织造纤维网的设备,该设备包括纤维源,纤维衰减室,基本上在相对的发散侧壁之间形成的扩散室,位于纤维衰减室下方的扩散室和用于收集的成形表面 纤维作为非织造纤维网。
    • 4. 发明申请
    • Method and apparatus for production of nonwoven webs
    • 用于生产非织造纤维网的方法和设备
    • US20050087288A1
    • 2005-04-28
    • US10694420
    • 2003-10-27
    • Bryan HaynesEric Lennon
    • Bryan HaynesEric Lennon
    • D01D5/098D04H3/02D04H3/16
    • D04H3/02D01D5/0985D01D10/00D04H3/16
    • The present invention provides an improved process of using electrostatics in the formation of nonwoven webs. In the process of the present invention, a source of fibers is provided. The fibers and filaments are subject to an electrostatic charge which is generated via an electrostatic unit having a first side and a second side opposed to each other, wherein the electrostatic unit has an array of protrusions on the first side and the second side of the electrostatic unit. Once subject to the electrostatic charge, the fibers are collected on a forming surface to form a nonwoven web. The present invention also provides an apparatus for forming a nonwoven web. The apparatus of the present invention has a source of fibers, a device for applying an electrostatic charge to said fibers, wherein device having a first side and a second side opposed to each other, wherein the device has an array of protrusions on the first side and the second side of the device; and a forming surface for collecting said fibers.
    • 本发明提供了一种在非织造纤维网的形成中使用静电的改进方法。 在本发明的方法中,提供纤维源。 纤维和长丝受到静电电荷的产生,该静电电荷通过具有彼此相对的第一侧和第二侧的静电单元产生,其中静电单元在静电单元的第一侧和第二侧上具有突起阵列 单元。 一旦受到静电荷的束缚,纤维被收集在成形表面上以形成非织造纤维网。 本发明还提供一种用于形成非织造纤维网的装置。 本发明的装置具有纤维源,用于向所述纤维施加静电荷的装置,其中具有彼此相对的第一侧和第二侧的装置,其中所述装置在所述第一侧上具有突起阵列 和设备的第二面; 以及用于收集所述纤维的成形表面。