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公开(公告)号：US07488441B2
公开(公告)日：2009-02-10
申请号：US10325140
申请日：2002-12-20
CPC分类号： D04H3/16 , B29C71/0081 , B29K2105/0854 , D01D5/0985
摘要： Described herein are improvements to processes and equipment for the manufacture of nonwoven webs useful in numerous applications including personal care, protective apparel, and industrial products. The fiber and/or filaments used to form the nonwoven fabric are deposited on a forming surface in a controlled orientation using application of an electrostatic charge to the fibers and/or filaments in combination with directing them to an electrode deflector plate while under the influence of the charge. The plate may be made up of teeth with a separation and angle orientation that are selected in accordance with the desired arrangement of the fibers and/or filaments in the nonwoven web. As a result, properties of the web such as relative strengths in the machine direction and cross-machine direction can be controlled. The charging of the pins is controlled so that not all pins remain at maximum charge during a cycle with the result that extended run times may be obtained.
摘要翻译： 本文描述了用于制造非织造织物的方法和设备的改进，其可用于包括个人护理，保护性服装和工业产品在内的许多应用中。 用于形成非织造织物的纤维和/或长丝以受控取向沉积在成形表面上，其中使用静电电荷施加到纤维和/或长丝上并将其引导到电极偏转板，同时在 费用。 板可以由具有分离和角度取向的齿组成，其根据纤维和/或长丝在非织造纤维网中的期望布置来选择。 结果，可以控制幅材的性质，例如机器方向和横向方向上的相对强度。 控制引脚的充电被控制成使得并非所有引脚在一个周期期间保持最大电荷，从而可以获得延长的运行时间。
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公开(公告)号：US07504060B2
公开(公告)日：2009-03-17
申请号：US10687006
申请日：2003-10-16
申请人： Thomas William Brock , Brian Stephen Forbes , Bryan David Haynes , Douglas Jay Hulslander , Matthew Boyd Lake , Eric Edward Lennon , Hannong Rhim
发明人： Thomas William Brock , Brian Stephen Forbes , Bryan David Haynes , Douglas Jay Hulslander , Matthew Boyd Lake , Eric Edward Lennon , Hannong Rhim
CPC分类号： D01D5/0985 , A61F13/5148 , D04H3/04 , D04H3/10 , D04H3/14
摘要： The present invention provides a method of making a nonwoven web with desired fiber orientation, the method including the steps of providing a source of fibers, subjecting the fibers to an electrostatic charge, deflecting the fibers with a non-contacting deflecting device, collecting the fibers on a moving forming surface to form the nonwoven web. The invention also provides an apparatus for forming fibrous nonwoven webs, the apparatus comprising a source of fibers, a device for applying an electrostatic charge to the fibers, a non-contacting fiber deflecting device adapted to affect the fibers while the fibers are under the influence of the applied electrostatic charge, and a forming surface for collecting the fibers as a fibrous nonwoven web.
摘要翻译： 本发明提供一种制造具有所需纤维取向的非织造纤维网的方法，该方法包括以下步骤：提供纤维源，使纤维经受静电荷，用非接触偏转装置偏转纤维，收集纤维 在移动的成形表面上以形成非织造纤维网。 本发明还提供了一种用于形成纤维非织造纤维网的装置，该装置包括纤维源，用于向纤维施加静电荷的装置，适于在纤维受影响时影响纤维的非接触纤维偏转装置 的所施加的静电电荷，以及用于收集作为纤维非织造纤维网的纤维的成形表面。
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公开(公告)号：US08333918B2
公开(公告)日：2012-12-18
申请号：US10694153
申请日：2003-10-27
IPC分类号： B29C47/00
CPC分类号： D01D5/0985 , D01D10/00 , D04H3/14
摘要： 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.
摘要翻译： 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。
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