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    • 5. 发明授权
    • Controlled placement of a reinforcing web within a fibrous absorbent
    • 在纤维吸收剂内控制加强幅材的放置
    • US06981297B2
    • 2006-01-03
    • US10306186
    • 2002-11-27
    • Michael B. VenturinoSteven P. JonesShannon K. MeliusPaul E. Olmstead
    • Michael B. VenturinoSteven P. JonesShannon K. MeliusPaul E. Olmstead
    • D01G25/00
    • A61F13/15626
    • Apparatus for forming an air formed, reinforced fibrous web has a form member on which fluent fibrous material is deposited in an air formed deposition process. The fibrous web may be used as an absorbent core of an absorbent article. The form member has a forming surface which is shaped and arranged to contact and support a reinforcing member, such as a web of scrim. The forming surface is particularly formed to locate the reinforcing member at the proper position within the thickness of the fibrous web. No additional locating structure is needed and the reinforcing member can be placed on the forming surface prior to entry into the forming chamber where fibrous material is deposited onto the forming chamber. A form and a method for making a reinforced fibrous web are also disclosed.
    • 用于形成空气形成的增强纤维网的装置具有在空气形成的沉积过程中在其上沉积流体纤维材料的形式构件。 纤维网可以用作吸收制品的吸收芯。 成形构件具有成形表面,该成形表面成形和布置成接触和支撑加强构件,例如幅材网。 成形表面特别地形成为将加强构件定位在纤维网的厚度内的适当位置。 不需要额外的定位结构,并且加强构件可以在进入形成室之前放置在成形表面上,其中纤维材料沉积到成形室上。 还公开了一种用于制造增强纤维网的形式和方法。
    • 8. 发明授权
    • Forming belt for three-dimensional forming applications
    • 三维成型应用的成型带
    • US5466409A
    • 1995-11-14
    • US139461
    • 1993-10-19
    • Mary E. PartridgeTimothy J. BlenkeStephen R. EversonCarl G. SchrothMichael B. Venturino
    • Mary E. PartridgeTimothy J. BlenkeStephen R. EversonCarl G. SchrothMichael B. Venturino
    • A61F13/15D21F9/00D21F11/00B29C43/02B29C43/06B29C43/08
    • A61F13/15658D21F11/006D21F9/00
    • A method and apparatus for forming a layer structure, such as an airlaid fibrous web, include a supplying mechanism for providing a stream of particulate material, such as fibers. Also included is a substantially endless, foraminous forming belt which has an appointed outward surface and a minimum thickness of at least about 3/16 inch. A selected contour is formed into the outward surface of the belt at selected locations, and the contour is distributed along a lengthwise machine-direction of the forming belt. The forming belt is configured to flex along a thickness direction thereof, and to recoverably bend and substantially straighten when traveling along a selected belt path circuit. A conveying mechanism moves the forming belt past the supplying mechanism along a forming path section of the belt circuit which is substantially straight, and moves the forming belt along a return path section of the belt circuit which includes curved portions therein. A vacuum mechanism draws a flow of air through the thickness of the forming belt to lay the particulate material onto the forming belt to form a layer structure, such as a web, having a top surface and a belt-side surface thereon. The web is thereby produced with a selected non-uniform thickness contour which is formed along the belt-side surface of the fibrous web. A driving mechanism moves the forming belt along the machine-direction at a selected speed, and a transporting mechanism removes the contoured web from the forming belt.
    • 用于形成诸如气流成网纤维网的层结构的方法和装置包括用于提供诸如纤维的颗粒材料流的供应机构。 还包括基本上无环的多孔成形带,其具有指定的外表面和至少约3/16英寸的最小厚度。 所选择的轮廓在所选择的位置处形成在带的外表面中,并且轮廓沿成形带的纵向机器方向分布。 成形带构造成沿其厚度方向弯曲,并且当沿着所选择的带路径电路行进时可恢复弯曲并基本上拉直。 输送机构沿着输送带回路的成形路径部分移动成形带,使该成形带基本上是直的,并且沿着包括弯曲部分的带状回路的返回路径部分移动成形带。 真空机构将空气流穿过成形带的厚度,以将颗粒材料放置在成形带上,以形成其上具有顶表面和带侧表面的纤维网等层结构。 因此,纤维网以沿着纤维网的带侧表面形成的选择的不均匀的厚度轮廓制成。 驱动机构以选定的速度沿着机器方向移动成形带,并且输送机构将成形带从成形带移除。