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    Flangeless seam for use in disposable articles
    1.
    发明授权
    Flangeless seam for use in disposable articles 失效
    用于一次性用品的无边缘接缝

    公开(公告)号：US6120489A

    公开(公告)日：2000-09-19

    申请号：US855651

    申请日：1997-05-15

    Applicant: Larry Kenneth Johnson ,  Stephen Joseph Lange ,  David Michael Weirich

    Inventor： Larry Kenneth Johnson ,  Stephen Joseph Lange ,  David Michael Weirich

    IPC: A41B9/02 ,  A61F5/44 ,  A61F13/15 ,  A61F13/496 ,  A61F13/72 ,  A41D27/24 ,  A61F13/20

    CPC classification number: A61F13/15739 ,  A61F13/15699 ,  A61F13/493 ,  A61F13/496 ,  A61F13/5655 ,  B29C65/76 ,  B29C66/004 ,  B29C66/1122 ,  B29C66/431 ,  B29C66/433 ,  B29C66/71 ,  B29C66/712 ,  B29C66/729 ,  B29C66/7294 ,  B29L2031/4878

    Abstract: A flangeless seam especially useful in disposable articles, such as training pants, incontinence articles and the like. The first member preferably has a first proximal portion and a first distal portion. The first distal portion is preferably folded upon at least a portion of the first proximal portion to provide a common interface between the first distal portion and the first proximal portion when the seam is in the seaming configuration. The first proximal portion preferably has a first melting point and the first distal portion preferably has a second melting point which is relatively lower than the first melting point. The seam also includes a second member preferably having a second proximal portion and a second distal portion. The second member preferably has a third melting point which is lower than the first melting point. The first distal portion and the second distal portion are joined to one another at a temperature which is relatively lower than the first melting point of the first proximal portion and at least a part of the first proximal portion is not joined to at least a part of the first distal portion such that the unjoined parts of the first proximal portion and the first distal portion may be separated to provide the seam in its open configuration.

    Abstract translation: 特别适用于一次性用品（如训练裤，失禁用品等）的无凸缘接缝。 第一构件优选地具有第一近端部分和第一远端部分。 第一远侧部分优选地折叠在第一近端部分的至少一部分上，以在接缝处于接缝构造时在第一远端部分和第一近端部分之间提供公共接口。 第一近端部优选具有第一熔点，第一远端部优选具有比第一熔点相对低的第二熔点。 接缝还包括优选具有第二近端部分和第二远端部分的第二部件。 第二构件优选具有低于第一熔点的第三熔点。 第一远端部分和第二远端部分在相对低于第一近端部分的第一熔点的温度下彼此接合，并且第一近端部分的至少一部分不与至少一部分 所述第一远侧部分使得所述第一近端部分和所述第一远端部分的未接合部分可以被分离以在其打开构造中提供所述接缝。

    Zero scrap absorbent core formation process and products derived from web-based absorbent materials
    2.
    发明授权
    Zero scrap absorbent core formation process and products derived from web-based absorbent materials 失效
    零废料吸收芯形成工艺和由网状吸收材料衍生的产品

    公开(公告)号：US5695846A

    公开(公告)日：1997-12-09

    申请号：US470181

    申请日：1995-06-07

    Applicant: Stephen Joseph Lange ,  Douglas Herrin Benson ,  John Walter Hackett ,  Gary Dean Lavon ,  Bret Darren Seitz

    Inventor： Stephen Joseph Lange ,  Douglas Herrin Benson ,  John Walter Hackett ,  Gary Dean Lavon ,  Bret Darren Seitz

    IPC: A61F13/53 ,  A61F5/44 ,  A61F13/15 ,  A61F13/49 ,  B32B5/00

    CPC classification number: A61F13/15699 ,  Y10T156/1067 ,  Y10T156/1069 ,  Y10T156/1075 ,  Y10T156/1084 ,  Y10T428/24 ,  Y10T428/24777

    Abstract: Described herein is a multiple layer absorbent core having a front ear section, a crotch section and a back ear section, wherein the machine direction length of the crotch section equals the combined machine direction length of the front ear section and the back ear section, the angle and radii forming the transition from the crotch width to the ear width being equal, the core being suitable for use in an absorbent article, and a method for manufacturing such multiple layer absorbent core. The method comprises providing a single web of absorbent core material from a roll, in which the web having parallel straight longitudinal side edges; continuously transporting the web of absorbent core material in the machine direction; continuously cutting the web of absorbent core material longitudinally into web sections having at least one full-pattern strip having a repeating hourglass-shape and first and second side trim pieces each of the side trim pieces having a straight edge defined by one of the parallel straight longitudinal side edges of the web and an opposite non-linear longitudinal edge having a pattern corresponding to one of the longitudinal edges of the full-pattern strip; continuously orienting the side trim pieces relative to the full-pattern strip such that the ear sections and said crotch section of the side trim pieces are superimposed in registration with said full-pattern strip to form a continuous multiple layer composite strip; and successively cutting the composite strip in the transverse direction at predetermined intervals to form discrete multiple layer absorbent cores.

    Abstract translation: 这里描述的是具有前耳部，裆部和后耳部的多层吸收芯，其中裆部的纵向长度等于前耳部和后耳部的组合机器方向长度， 形成从裆部宽度到耳朵宽度的过渡的角度和半径相等，所述芯适合用于吸收制品，以及制造这种多层吸收芯的方法。 该方法包括从卷筒提供单个的吸收芯材料纤维网，其中所述幅材具有平行的直的纵向侧边缘; 在机器方向上连续输送吸收芯材料的纤维网; 将吸收芯材料的纤维网纵向连续地切割成具有至少一个具有重复的沙漏形状的全图案条带的第一和第二侧面饰件，每个侧饰件具有由平行直线之一 幅材的纵向侧边缘和相对的非直线纵向边缘具有对应于全图案条带的纵向边缘之一的图案; 使侧饰件相对于全图案条连续取向，使得侧饰件的耳部和裆部与所述全图案条对齐地叠合以形成连续的多层复合带; 并且以预定间隔连续地在横向上切割复合带以形成离散的多层吸收芯。

    Method for making a flangeless seam for use in disposable articles
    6.
    发明授权
    Method for making a flangeless seam for use in disposable articles 失效
    制造用于一次性物品的无法兰接缝的方法

    公开(公告)号：US06042673A

    公开(公告)日：2000-03-28

    申请号：US34763

    申请日：1998-03-04

    Applicant: Larry Kenneth Johnson ,  Stephen Joseph Lange

    Inventor： Larry Kenneth Johnson ,  Stephen Joseph Lange

    IPC: A41B9/02 ,  A61F5/44 ,  A61F13/15 ,  A61F13/496 ,  A61F13/72 ,  B32B31/24

    CPC classification number: A61F13/5655 ,  A61F13/15699 ,  A61F13/15739 ,  A61F13/493 ,  A61F13/496 ,  B29C65/224 ,  B29C65/32 ,  B29C65/3612 ,  B29C65/3644 ,  B29C65/76 ,  B29C66/004 ,  B29C66/1122 ,  B29C66/431 ,  B29C65/3676 ,  B29C66/729 ,  B29L2031/4878 ,  Y10T156/1036 ,  Y10T156/1051

    Abstract: A method of making a flangeless seam for a disposable article including the following steps: A first member of the disposable article is provided. A conductive member is provided on the first member. The first member is folded about the conductive member providing opposing first proximal and first distal portions of the first member, the conductive member being disposed at least partially between the opposing first proximal and first distal portions. A second member of the disposable article is provided in a folded configuration juxtaposed at least a portion of the first member to form a laminate including the first member and the second member. An electromagnetic field is applied across at least a portion of the laminate to heat the conductive member to a temperature which joins at least a portion of the first member and at least a portion of the second member. The resulting seam can be opened to provide the article with a flangeless seam.

    Abstract translation: 一种用于一次性制品的无凸缘接缝的方法，包括以下步骤：提供一次性物品的第一部件。 导电构件设置在第一构件上。 第一构件围绕导电构件折叠，提供第一构件的相对的第一近侧和第一远侧部分，导电构件至少部分地设置在相对的第一近端部分和第一远端部分之间。 一次性制品的第二部件设置成与第一部件的至少一部分并置的折叠构造，以形成包括第一部件和第二部件的层压体。 电磁场跨越层压体的至少一部分施加以将导电构件加热到连接第一构件的至少一部分和第二构件的至少一部分的温度。 可以打开所产生的接缝以向物品提供无法兰的接缝。

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