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    • 1. 发明授权
    • Coating selective zones of thin webs to change the pervious character thereof
    • 选择薄网的选择区以改变其透视特性
    • US06183847B2
    • 2001-02-06
    • US09182665
    • 1998-10-30
    • Moshe Goldwasser
    • Moshe Goldwasser
    • B32B2702
    • D06B1/14A61F13/00991A61F13/51305A61F2013/51061A61F2013/51066B05C1/12B05C1/165B32B5/26D04H1/425D04H1/4291D04H1/4374D06B11/0066D06M23/16Y10T428/24802Y10T442/659Y10T442/671Y10T442/68Y10T442/681
    • The process and apparatus of the present invention involves treating a well-integrated woven or non-woven web of hydrophobic fibers to make selected areas hydrophilic. It also can be used to make a web of hydrophilic fibers selectively hydrophobic. It uses a plurality of selectively adjustable covers on an applicator roll rotating in a bath of liquid to place the liquid material on selected areas of the web as the web moves over the roll. In a preferred embodiment the web is non-woven and the fibers are hydrophobic in nature, e.g., dry-laid or melt-blown polypropylene or polyethylene fibers or spun-bonded hydrophobic filaments. A woven web made of cotton or other hydrophilic fibers may also be used if the end result is to create partially hydrophobic areas on a hydrophilic web. The areas of liquid are positioned on the web only where desired so as to eliminate the excessive cost of unwanted and unnecessary coating material. If the web is hydrophobic, the liquid makes that area hydrophilic. If the web is hydrophilic, the liquid makes that area hydrophobic. Enhanced liquid containment and transport is obtained when at least one discontinuous fine fiber layer is utilized in the web and the fine fiber layer has a melt-blown content greater than zero but less than 1.5 gsm.
    • 本发明的方法和设备包括处理疏水纤维的良好整合的织造或非织造纤维网,以使选择的区域成为亲水性的。 它也可用于使亲水性纤维的纤维网选择性疏水。 它使用在液体浴中旋转的施加器辊上的多个可选择性调节的盖子,以在纸幅移动到卷筒上时将液体材料放置在幅材的选定区域上。 在优选的实施方案中,纤维网是非织造的,并且纤维在本质上是疏水的,例如干法成网或熔喷的聚丙烯或聚乙烯纤维或纺粘的疏水长丝。 如果最终的结果是在亲水网上产生部分疏水的区域,也可以使用由棉或其它亲水纤维制成的编织网。 液体的区域仅在需要时位于网状物上,以便消除不需要的和不必要的涂层材料的过多成本。 如果纤维网是疏水性的,则液体使得该区域具有亲水性。 如果纤维网是亲水性的,则液体使得该区域是疏水性的。 当在纤维网中使用至少一个不连续的细纤维层时,获得增强的液体容纳和运输,并且细纤维层具有大于零但小于1.5gsm的熔喷成分。
    • 2. 发明授权
    • Coating selective zones of thin webs to change the pervious character
thereof, using a cover
    • 使用覆盖物来改变薄腹板的选择性区域以改变其透视特性
    • US5709747A
    • 1998-01-20
    • US434672
    • 1995-05-05
    • Moshe Goldwasser
    • Moshe Goldwasser
    • A61F13/00B05C1/12B05C1/16D04H1/42D06B11/00B05C11/00B05C1/06
    • A61F13/00991B05C1/12B05C1/165D04H1/42D06B11/0066
    • The process and apparatus of the present invention teaches how to treat a well-integrated woven or non-woven web of hydrophobic fibers to make selective areas hydrophyllic. It also can be used to make a web of hydrophyllic fibers selectively hydrophobic. It uses a plurality of selectively adjustable covers on an applicator roll rotating in a bath of liquid to place the liquid material on selective areas of the moving web. In a preferred embodiment the web is non-woven and the fibers are hydrophobic in nature, e.g., dry-laid or melt-blown polypropylene or polyethylene fibers or spun-bonded hydrophobic filaments. A woven web made of cotton or other hydrophyllic fibers may also be used if the end result is to create partially hydrophobic areas on a hydrophyllic web. The areas of liquid are positioned on the web only where desired so as to eliminate the excessive cost of unwanted and unnecessary coating material. If the web is hydrophobic, the liquid makes that area hydrophyllic. If the web is hydrophyllic, the liquid makes that area hydrophobic.
    • 本发明的方法和装置教导了如何处理疏水性纤维的良好整合的织造或非织造纤维网以制备亲水的选择性区域。 它也可以用来制备疏水性亲水纤维网。 它使用在液体浴中旋转的施加器辊上的多个可选择性调节的盖,以将液体材料放置在移动幅材的选择区域上。 在优选的实施方案中,纤维网是非织造的,并且纤维在本质上是疏水的,例如干法成网或熔喷的聚丙烯或聚乙烯纤维或纺粘的疏水长丝。 如果最终结果是在亲水网上产生部分疏水的区域,也可以使用由棉花或其他亲水纤维制成的编织网。 液体的区域仅在需要时位于网状物上,以便消除不需要的和不必要的涂层材料的过多成本。 如果纤维网是疏水性的,则液体使该区域成为亲水的。 如果网是亲水的,液体使得该区域疏水。
    • 5. 发明授权
    • Coating selective zones of thin webs to change the pervious character
thereof, using a shutter
    • 使用快门涂覆薄腹板的选择性区域以改变其透视特性
    • US5885656A
    • 1999-03-23
    • US901674
    • 1997-07-28
    • Moshe Goldwasser
    • Moshe Goldwasser
    • A61F13/00B05C1/12B05C1/16D04H1/42D06B11/00B05D1/32B05D1/28
    • A61F13/00991B05C1/12B05C1/165D04H1/42D06B11/0066
    • The process and apparatus of the present invention teaches how to treat a well-integrated woven or non-woven web of hydrophobic fibers to make selective areas hydrophyllic. It also can be used to make a web of hydrophyllic fibers selectively hydrophobic. It uses a plurality of selectively adjustable covers on an applicator roll rotating in a bath of liquid to place the liquid material on selective areas of the moving web. In a preferred embodiment the web is non-woven and the fibers are hydrophobic in nature, e.g., dry-laid or melt-blown polypropylene or polyethylene fibers or spun-bonded hydrophobic filaments. A woven web made of cotton or other hydrophyllic fibers may also be used if the end result is to create partially hydrophobic areas on a hydrophyllic web. The areas of liquid are positioned on the web only where desired so as to eliminate the excessive cost of unwanted and unnecessary coating material. If the web is hydrophobic, the liquid makes that area hydrophyllic. If the web is hydrophyllic, the liquid makes that area hydrophobic.
    • 本发明的方法和装置教导了如何处理疏水性纤维的良好整合的织造或非织造纤维网以制备亲水的选择性区域。 它也可以用来制备疏水性亲水纤维网。 它使用在液体浴中旋转的施加器辊上的多个可选择性调节的盖,以将液体材料放置在移动幅材的选择区域上。 在优选的实施方案中,纤维网是非织造的,并且纤维在本质上是疏水的,例如干法成网或熔喷的聚丙烯或聚乙烯纤维或纺粘的疏水长丝。 如果最终结果是在亲水网上产生部分疏水的区域,也可以使用由棉花或其他亲水纤维制成的编织网。 液体的区域仅在需要时位于网状物上,以便消除不需要的和不必要的涂层材料的过多成本。 如果纤维网是疏水性的,则液体使该区域成为亲水的。 如果网是亲水的,液体使得该区域疏水。