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1. 发明授权

US4673402A Absorbent articles with dual-layered cores 失效
标题翻译：具有双层芯的吸收制品
公开(公告)号：US4673402A
公开(公告)日：1987-06-16
申请号：US895526
申请日：1986-08-11
申请人： Paul T. Weisman , Dawn I. Houghton , Dale A. Gellert
发明人： Paul T. Weisman , Dawn I. Houghton , Dale A. Gellert
IPC分类号： A61F5/44 , A61F13/15 , A61F13/49 , A61F13/53 , A61L15/14 , A61L15/60 , A61F13/16
CPC分类号： A61F13/53747 , A61L15/60 , A61F2013/15406 , A61F2013/15422 , A61F2013/51409 , A61F2013/530481 , A61F2013/530496 , A61F2013/53051 , A61F2013/53726
摘要： The present invention provides absorbent articles, such as disposable diapers, which utilize substantially water-insoluble hydrogel material to enhance the absorbent capacity of such articles. In these articles, the hydrogel material, combined in particulate form with hydrophilic fiber material, is primarily placed in a lower fluid storage layer of the absorbent core of the article. Such a fluid storage lower layer of the absorbent core is placed underneath an upper, preferably larger, fluid acquisition/distribution layer containing little or no hydrogel. This lower fluid storage layer is positioned in such a manner that at least about 75% of the hydrogel in the lower layer is found in the front two-thirds of the absorbent article and such that at least about 55% of the hydrogel in the lower layer is found in the front half of the absorbent article. Absorbent articles of this type make especially effective and efficient use of the hydrogel material and may also provide a diaper rash control benefit. Absorbent cores of the type utilized in such articles are also disclosed.
摘要翻译：本发明提供了吸收制品，例如一次性尿布，其利用基本上不溶于水的水凝胶材料来增强这些制品的吸收能力。在这些制品中，将颗粒形式与亲水性纤维材料结合的水凝胶材料主要放置在制品的吸收芯的下部流体储存层中。吸收芯的这种液体储存下层被放置在含有很少或不含水凝胶的上部，优选较大的流体采集/分散层的下方。该下部液体储存层的定位方式是使得下层中的水凝胶的至少约75％存在于吸收制品的前三分之二中，并且使得至少约55％的水凝胶在下部在吸收制品的前半部分中发现层。这种类型的吸收制品特别有效和高效地使用水凝胶材料，并且还可以提供尿布疹控制益处。还公开了在这种制品中使用的类型的吸收芯。

2. 发明授权

US4787896A Absorbent article having liquid impervious shelves 失效
标题翻译：具有不透液体的货架的吸收制品
公开(公告)号：US4787896A
公开(公告)日：1988-11-29
申请号：US88022
申请日：1987-08-18
申请人： Dawn I. Houghton , Nicholas A. Ahr
发明人： Dawn I. Houghton , Nicholas A. Ahr
IPC分类号： A61F5/44 , A61F13/00 , A61F13/15 , A61F13/49 , A61F13/514 , A61F13/534 , A61F13/16 , A61F13/18 , A61F13/20
CPC分类号： A61F5/4401 , A61F13/534 , A61F2013/51061 , A61F2013/51409 , A61F2013/51492 , A61F2013/530802 , A61F2013/53445
摘要： The present invention provides a disposable absorbent article such as an incontinent pad that is both comfortable and suitable for absorbing and containing large volumes of body liquids rapidly without leakage, especially a subsequent gush of liquid. Such an absorbent article comprises a liquid pervious topsheet, a liquid impervious backsheet, a layered expandable absorbent core positioned between the topsheet and the backsheet, at least two resilient shaping members, an acquisition channel, a liquid acquisition zone and at least two liquid impervious shelves. The present invention also relates to an absorbent article provided with an expandable overwrap having an expansion means for allowing the overwrap to expand when the absorbent core swells when wetted. The liquid impervious shelves comprise a multiplicity of shelf layers formed from a portion of the backsheet being folded. The liquid impervious shelves channel the flow of liquids toward the lower layers of the absorbent core and encourage use of the bottom and sides of the layers, thereby providing more efficient use of hydrogel materials. An anti-bunching bead may be placed one each liquid impervious shelf between the shelf layers to provide stability to the absorbent article.
摘要翻译：本发明提供一种一次性吸收制品，例如失禁垫，其舒适并且适合于快速吸收和容纳大量体液，而不会有渗漏，特别是随后的液体流出。这种吸收制品包括液体可透过的顶片，液体不可渗透的底片，位于顶片和底片之间的分层可膨胀吸收芯，至少两个弹性成形构件，采集通道，液体采集区和至少两个不透液体的架。本发明还涉及一种具有可膨胀外包裹层的吸收性物品，其具有当吸湿芯在润湿时膨胀时允许外包层膨胀的膨胀装置。不透液体的架子包括由折叠的底片的一部分形成的多个搁板层。不透液体的货架将液体流向吸收芯的下层，并鼓励使用层的底部和侧面，从而更有效地使用水凝胶材料。抗束珠可以放置在搁板层之间的每个不透液体的架子上，以提供对吸收制品的稳定性。

3. 发明授权

US4781711A Absorbent article having moisture insensitive resilient shaping members 失效
标题翻译：具有不透湿弹性成形构件的吸湿制品
公开(公告)号：US4781711A
公开(公告)日：1988-11-01
申请号：US093075
申请日：1987-08-28
申请人： Dawn I. Houghton , Nicholas A. Ahr
发明人： Dawn I. Houghton , Nicholas A. Ahr
IPC分类号： A61F5/44 , A61F13/00 , A61F13/15 , A61F13/49 , A61F13/53 , A61F13/539 , A61F13/16 , A61F13/18 , A61F13/20
CPC分类号： A61F5/4401 , A61F13/534 , A61F2013/51409 , A61F2013/51492 , A61F2013/530481 , A61F2013/530802 , A61F2013/53445
摘要： The present invention provides a disposable absorbent article such as an incontinent pad that is both comfortable and suitable for absorbing and containing large volumes of body liquids rapidly without leakage, especially a subsequent gush of liquid. Such an absorbent article comprises a liquid pervious topsheet, a liquid impervious backsheet, a layered expandable absorbent core positioned between the topsheet and the backsheet, at least two resilient shaping members, an acquisition channel, a liquid acquisition zone and at least two liquid impervious shelves. The present invention also relates to an absorbent article provided with an expandable overwrap having an expansion means for allowing the overwrap to expand when the absorbent core swells when wetted. The resilient shaping members of the present invention provide an improved absorbent article design having raised side edges and an acquisition channel. The resilient shaping members are a compressible, conformable, resilient, and moisture insensitive batt of fibers so that the resilient shaping members will retain their shape even when wetted.
摘要翻译：本发明提供一种一次性吸收制品，例如失禁垫，其舒适并且适合于快速吸收和容纳大量体液，而不会有渗漏，特别是随后的液体流出。这种吸收制品包括液体可透过的顶片，液体不可渗透的底片，位于顶片和底片之间的分层可膨胀吸收芯，至少两个弹性成形构件，采集通道，液体采集区和至少两个不透液体的架。本发明还涉及一种具有可膨胀外包裹层的吸收性物品，其具有当吸湿芯在润湿时膨胀时允许外包层膨胀的膨胀装置。本发明的弹性成形构件提供了具有升高的侧边缘和采集通道的改进的吸收制品设计。弹性成型构件是可压缩，适形，弹性和湿度不敏感的纤维絮垫，使得弹性成形构件即使在润湿时也保持其形状。

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