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    • 1. 发明授权
    • Elastic tab laminate
    • 弹性片层压板
    • US06531207B1
    • 2003-03-11
    • US09704854
    • 2000-11-02
    • Bradley W. EatonNedlin B. JohnsonMichael R. GormanShou-Lu G. Wang
    • Bradley W. EatonNedlin B. JohnsonMichael R. GormanShou-Lu G. Wang
    • B32B2712
    • A61F13/58A61F13/5622Y10T428/24826Y10T442/601Y10T442/678Y10T442/679
    • There is provided an extensible elastic tab designed to be adhered to the edge of an article, formed using a coextruded elastic film comprising at least one elastic layer and at least one second layer on at least a first face of the elastic layer with at least one face of the coextruded elastic film attached to at least a partially extensible nonwoven layer. The partially expandable, or extensible nonwoven layer has at least one first portion with limited extensibility in a first direction and at least one second inextensible portion in the first direction. The extensible elastic tab when stretched to the extension limit of the first portion or portions in the first direction will elastically recover at least 1.0 cm, preferably at least 2 cm providing an elastic tab having a Useful Stretch Ratio (as defined in the Examples) of at least 30 percent. The Useful Stretch Ratio includes the portion of the elastic recovery length having an elastic recovery force of greater than 20 grams/cm force, but below a given extension which generally is 90 percent of the extension limit. Further the elastic tab in the region of the Useful Stretch Ratio preferably has an incremental extension force of less than about 300 grams/cm. The invention tab provides definable predictable elastic performance and is useful as a fastening tab used to join to surfaces requiring elastic engagement, particularly a person or animal. The tab is particularly useful as a diaper fastening tab.
    • 提供了一种设计成粘附到制品边缘的可伸展的弹性片,其使用共挤出的弹性膜形成,所述共挤出的弹性膜包括至少一个弹性层和在弹性层的至少第一面上的至少一个第二层, 附着在至少部分可伸长的非织造层上的共挤出的弹性膜的表面。 部分可扩张的或可延伸的非织造层具有至少一个在第一方向上具有有限延伸性的第一部分和在第一方向上的至少一个第二不可伸展部分。 当伸展到第一部分或第一方向的部分的延伸极限时的可伸展弹性片将弹性恢复至少1.0cm,优选至少2cm,提供具有有用的拉伸比(如实施例中所定义)的弹性片 至少30%。 有用的拉伸比包括具有大于20克/厘米力的弹性回复力的弹性恢复长度的一部分,但低于通常为延伸极限的90%的给定延伸部。 此外,有用拉伸比区域中的弹性片优选地具有小于约300克/厘米3的增量延伸力。 本发明标签提供可定义的可预测的弹性性能,并且可用作用于连接到需要弹性接合的表面,特别是人或动物的紧固片。 该贴片特别适用于尿布紧固片。
    • 5. 发明授权
    • Tooling with helical coils for structured surface articles
    • 用于结构化表面物品的螺旋线圈的模具
    • US06969479B2
    • 2005-11-29
    • US10780078
    • 2004-02-17
    • Michael R. GormanThomas R. LaLiberte
    • Michael R. GormanThomas R. LaLiberte
    • B29C59/04B29C59/00B29C59/02B29L7/00B29C43/46
    • B29C59/002B29C59/025B29C59/04
    • Tool rolls and methods of using the tool rolls to manufacture articles with one or more structured surfaces are disclosed. The tool rolls include an outer surface that, when used in connection with materials of the proper viscosity or formability, can form a structured surface on an article. Because the tools are manufactured in roll-form, they can be advantageously used in continuous manufacturing processes. Alternatively, discrete articles may be processed using the tool rolls. The tool rolls are constructed of a cylindrical base roll and are wrapped with one or more continuous wires in a modified undulating helical pattern. The modified helical pattern results in the distance between the first wire and a reference plane transverse to the longitudinal axis of the base roll sequentially increasing and decreasing at least once when moving in one direction about a circumference of the base roll. The wires are used, in essence, to form a structured surface on the tool roll that is the negative of the structured surface to be formed on the articles processed using the tool roll. One or more of the wires wound around the base roll may include a plurality of voids formed therein that, when wound about the base roll, form a plurality of mold cavities on the outer surface of the tool roll. Alternatively, the helical pattern of one or more wound wires may be used to form a continuous helical structured surface, e.g., a helical groove or grooves.
    • 公开了使用工具辊制造具有一个或多个结构化表面的制品的工具辊和方法。 工具辊包括外表面,当与适当粘度或成形性的材料结合使用时,可以在制品上形成结构化表面。 因为这些工具是以卷筒形式制造的,所以它们可以有利地用于连续制造过程中。 或者,可以使用工具辊来处理分立的制品。 工具辊由圆柱形基底辊构成,并以一个或多个连续的线以改进的起伏螺旋图案包裹。 改变的螺旋图案导致第一线和参考平面之间的距离横向于基底辊的纵向轴线,当围绕基底辊的圆周移动时沿着一个方向逐渐增加和减小至少一次。 使用电线本质上在工具辊上形成结构化表面,该结构化表面是在使用工具辊加工的制品上形成的结构化表面的负极。 缠绕在基辊周围的一根或多根线可以包括形成在其中的多个空隙,当在基辊周围缠绕时,在工具辊的外表面上形成多个模腔。 或者,一个或多个缠绕线的螺旋图案可以用于形成连续的螺旋结构化表面,例如螺旋槽或凹槽。