CN2223090Y - 一次性尿布 - Google Patents

一次性尿布 Download PDF

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CN2223090Y
CN2223090Y CN94216650U CN94216650U CN2223090Y CN 2223090 Y CN2223090 Y CN 2223090Y CN 94216650 U CN94216650 U CN 94216650U CN 94216650 U CN94216650 U CN 94216650U CN 2223090 Y CN2223090 Y CN 2223090Y
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diaper
waist
decorative pattern
elastic component
disposable diaper
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佐佐木彻
大坪俊文
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Unita Corp
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • A61F13/4963—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs characterized by the seam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/21—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
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    • B29C66/306—Applying a mark during joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
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    • B29C66/306—Applying a mark during joining
    • B29C66/3062—Applying a mark during joining in the form of letters or numbers
    • B29C66/30621—Applying a mark during joining in the form of letters or numbers in the form of letters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/433—Casing-in, i.e. enclosing an element between two sheets by an outlined seam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/729—Textile or other fibrous material made from plastics
    • B29C66/7294—Non woven mats, e.g. felt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/22—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns
    • B29C66/221—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns being in the form of a sinusoidal wave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
    • B29C66/22—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns
    • B29C66/223—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being in the form of recurring patterns being in the form of a triangle wave or of a sawtooth wave, e.g. zigzagged
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7234—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer
    • B29C66/72343—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a barrier layer for liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/4871—Underwear
    • B29L2031/4878—Diapers, napkins

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Textile Engineering (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
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  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
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  • Absorbent Articles And Supports Therefor (AREA)
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Abstract

一种短裤形式的一次性尿布，其前后片体由许多沿着前后腰部横向相对侧边的焊接区粘接在一起，其特点是焊接区至少部分地是由一些V形或没有尖端的V形花纹，或是圆弧形开口花纹构成，V形或没有尖端的V形花纹是横放在尿布的横向方向上的，圆弧开口花纹设在尿布的横向方向上。

Description

一次性尿布
本实用新型涉及一次性使用的尿布，更具体地说是涉及短裤形式的一次性尿布。
众所周知一种短裤形式的一次性尿布，它由可以热焊的顶片和底片组成，通过沿着前后腰部横向相对的侧边热焊，而将前片体和后片体封接在一起。例如，日本公开公报专利申请No.1993—15551公布了一种短裤式尿布的封接技术，它是使用超声波焊接的，沿着前后腰部的每一个横向侧边，纵向分布着许多断断续续的长方形焊接区，每一焊接区的长侧边平行于尿布的腰线，它的申请人和本申请的申请人为同一人。使用这种技术可以容易地将穿着在穿着者身上的尿布除去，为此只需沿着尿布的封接侧边缘把尿布撕开即可。这种技术的优点还在于尿布的内部经常保持与尿布外部良好的沟通，这样可得到透气性好的尿布。
当尿布撕开时，它是沿着每一焊接区的周边边缘撕下的。通常用来做尿布的布料包括一块薄的无纺织物或单位面积重量较小的塑料薄膜并且撕裂强度较低，于是，当布料彼此焊接以后，焊接区的撕裂强度要比非焊接区的撕裂强度高，而撕断力会沿着焊接区与非焊接区之间的边界集中。结果，当沿着每一个长方形的焊接区的长侧边撕开尿布时，可能沿周边会有撕裂，即沿横向发展至前和/或后片片去的担心，而不是沿着尿布的纵向撕开。特别是当顶片和底片在横向的撕裂强度比在纵向的撕裂强度低得很多时，这种不希望有的现象会很快出现。除非尿布是在纵向撕开，不然不可能很快地把尿布从穿着者身上解下。
因此，本实用新型的主要目的是要解决上述的问题，其方法是提供一种尿布，它的焊接区至少部分地由一些花纹组成，每一个花纹的轮廓是沿尿布的横向散开出去的，这样尿布可以很容易地沿着这些轮廓倾斜地向下撕开。
为了达到上述目的，本实用新型广泛采用一种一次性尿布，它包括一块液体可透过的顶片，一块液体不可透过的底片，和一块夹在这二个可热焊接片之间的吸湿芯子，尿布在沿着前后腰部横向相对侧边上有前片体和后片体，它们彼此封接在一起，尿布在所述前片体和后片体上还有许多从所述吸湿芯子的横向相对侧边缘向外延伸出去的部分，其上面有许多断续的焊接区沿着相应的腰侧边部分纵向分布。
本实用新型的特点是焊接区至少部分地由一些花纹组成，每一花纹的外轮廓为V形，沿着尿布横向横放，所述外轮廓包括一个圆弧开口的轮廓，在所述尿布的横向方向上，这可看作是本实用新型尿布的一个改良型式。
如上所述制成的尿布，当腰侧部撕开时，其顶片和底片倾斜地沿着在尿布横向方向散开的每一个焊接区的轮廓撕开，而不会沿着腰的周边撕开。
本实用新型从下面结合附图对较佳实施例的说明将会很清楚，其中：
图1为表示一次性尿布的透视图；
图2为表示尿布沿纵向方向展开的透视图；
图3为一局部平面视图，表示放大了的尿布焊接区的一个实施例；
图4为类似于图3的视图，表示焊接区的另一实施例；
图5为类似于图3的视图，表示焊接区的又一实施例；
图6为类似于图3的视图，表示焊接区的再一个实施例。
参见图1和图2，尿布1的坯料1A包括一块液体可透过的顶片2，一块液体不可透过的底片3和夹在这二个片2，.3之间的吸湿芯子4，通常坯料是由前片体5，后片体6和裤裆区7组成。顶片2由热塑料纤维的无纺织物制成，底片3由热塑料薄膜制成，这两块片2，3彼此用热焊接一起。参见图2，在尿布坯料1A上，顶片2和底片3的那些由吸湿芯子4的周边边缘向外延伸的部分用粘结剂(没有示出)彼此间断地粘接在一起。尿布坯料1A可以沿着纵向折中线X—X向内的叠成二半，同时前、后片体5、6的横向相对侧边缘可以通过许多相应的侧边缘封接在一起，将尿布1做成短裤形式，前、后片体5、6的横向相对侧边缘是由顶片2和底片3那些从吸湿芯子4的横向相对侧边缘向外延伸的部分组成，并且一片放在另一片上。这样做成的尿布1有一个腰部开口11和一对大腿开口12。这些片口11，12沿着其周边配有许多平行的弹性件13、14，它们在拉伸条件下相应地粘接到周边上去。
参见图3，在腰部侧边缘上部示出的弹性件13是与腰部开口11联系的，而在腰部侧边缘下部示出的弹性件14是与大腿开口12联系的。焊接区10包括第一组长方形焊接花纹17，第二组长方形焊接花纹18和第三组V形焊接花纹19；花纹17间歇式地设置在每一对腰部开口的相邻的弹性件13之间，并靠近最上端的弹性件13，花纹的长侧边缘17A平行于弹性件13；花纹18间歇式地设置在每一对相邻的大腿开口弹性件14之间，并靠近最下端的弹性件14，花纹的长侧边缘18A平行于弹性件14；花纹19间歇式地设置在最下端的弹性件13和最上端的弹性件14之间。所述第一组和第二组焊接花纹17、18中的每一个花纹都是一个长方形的焊接区，其尺寸为(0.3～2)×(3～10)mm(高度×长度)，同时第三组焊接花纹19中的每一个花纹是一个V形焊接区，它由宽度为0.3～1.5mm的焊接线描出，夹角C＝15～90°，长度D＝3～10mm。所有焊接花纹17，18，19彼此间隔d＝0.5～3mm，而在每一对相邻花纹之间的非焊接区用于促进尿布内部和外部之间的连通，从而改善尿布所希望的透气性。
使用图1所示的尿布1时，在箭头A，B所指的方向上拉前后片体5、6，就可以沿着焊接区在纵向向下撕开尿布1，这时需用手抓着腰部开口，这样很容易把尿布1从穿着者身上解下。一般，尿布1的焊接区10的撕裂强度比顶片2和底片3的撕裂强度高，因此当在A，B方向拉前后片体时，顶片2和底片3可以沿着第一组，第二组和第三组焊接花纹17，18，19撕开。换言之，顶片2和底片3倾向于沿着第一组和第二组焊接花纹17和18从横向撕开，并沿着第三组焊接花纹19中的每一个花纹呈V形撕开，从而沿着一系列的V形花纹19，呈之字形地倾斜向下撕开。特别是当在顶片2和底片3中，纤维和/或聚合物的方向是沿尿布1的横向配置时，这些片料2，3受这种定向方式的影响倾向于从尿布的横向方向撕开，这样就存在着片料2，3可能沿着第一和第二组焊接花纹17，18撕开直到前片体和/或后片体去的担心。然而，根据尿布1的这个实施例，第一组和第二组焊接花纹17，18的位置是尽可能靠近腰部开口折弹性件13和大腿部开口的弹性件14的，因此这种担心可以减至最少，同时相应的腰部侧边缘的主要部分只是由第三组焊接花纹19来封接，这样，顶片2和底片3可以很容易地在尿布1的纵向，而不是横向撕开。当有可能用第三组焊接花纹19来代替第一和第二组焊接花纹17，18时，根据弹性件13，14彼此相隔的距离不同，V形花纹19可以相应地横穿和切割弹性件13，14，或者弹性件13，14可能阻碍快速焊接顶片2和底片3。
图4，5和6是与图3相似的视图，表示第三组焊接花纹19的不同实施例。参看图4，横放的V形第三组焊接花纹是向着尿布1的中心散开的。V形可以没有尖端。参看图5，第三组焊接花纹19是沿着尿布1横向配置的圆弧开口，其方向是交替的，它是图3和图4所示V形花纹19的改变形式。参看图6，第三组焊接花纹19是由二个横放的V形轮廓组成的菱形，其中一个V形向着尿布1的中心散开，而另一个V形向相反方向散开。当第三组焊接花纹19为一个接一个地连续分布，而不是象图3至图6示例地表示的间歇式排列时，则第三组焊接花纹19的这种连续排列将使尿布1的透气性恶化。
根据本实用新型，可热焊接的顶片2和底片3可以用压花或超声波焊接的方法而得到第一组，第二组和第三组焊接花纹。顶片2可用由热塑料纤维或多孔热塑料薄膜的无纹织物做成底片3可用热塑料薄膜，无纺织物或无纺织与塑料薄膜的叠层织物做成。吸湿芯子4可用通常用于这种元件的已知材料做成。
在根据本实用新型的一次性尿布中，前片体和后片体是沿着前后腰部的横向相对侧边缘焊接在一起的，焊接可通过焊接区实现，焊接区包括单个轮廓为V形或没有尖端的V形的一些间断的花纹，这些V形花纹都是在尿布的横向方向上横放着的，或者包括单个轮廓为圆弧开口的一些花纹，这些圆弧开口也是设置在尿布横向方向上的。相应的，当为了从穿着者射上解下尿布而沿着腰部侧边撕开尿布时，顶片和底片会沿着所述轮廓倾斜向下地撕开，而不会沿着腰部的周边撕开。用这种方法，不会撕坏。

Claims (4)

1.一种一次性使用的尿布，它包括一块液体可透过的顶片，一块液体不可透过的底片和一块夹在这二块可热焊接的片之间的吸湿芯子，并且其前后片体沿着前后腰部横向相对侧边部分彼此封接在一起，在所述前片体和后片体上，前后腰部的侧边部分有许多从所述吸湿芯子的横向相对侧边缘向外延伸出来的部分，上面带有许多沿着相应的腰部侧边部分纵向排列的间断的焊接区，其特征为：所述焊接区至少部分地由一些花纹组成，每一个花纹的外轮廓为V形，它在尿布的横向方向上横放着。
2.根据权利要求1的一次性尿布，其特征为：所述外轮廓为没有尖端的V形。
3.根据权利要求1的一次性尿布，其特征为：所述外轮廓经过改进，为一圆弧开口轮廓，它设置在所述尿布的横向方向上。
4.根据权利要求1的一次性尿布，其特征为：所述由多个外轮廓为V形的花纹形成的焊接区间歇式地设置在最上端的弹性件和最下端的弹性件之间，而在腰部侧边缘上部示出的最上端弹性件是与腰部开口联系的，而在腰部侧边缘下部示出的弹性件是与大腿开口联系的。
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CN112704600A (zh) * 2020-12-31 2021-04-27 泉州市汉威机械制造有限公司 一种拉拉裤腰围焊接工艺
CN112704600B (zh) * 2020-12-31 2022-07-22 泉州市汉威机械制造有限公司 一种拉拉裤腰围焊接工艺

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JPH0734814U (ja) 1995-06-27
CA2137520A1 (en) 1995-06-11
EP0657153A2 (en) 1995-06-14
EP0657153B1 (en) 1998-02-25
JP2580207Y2 (ja) 1998-09-03
SG54186A1 (en) 1998-11-16
DE69408640T2 (de) 1998-06-18
AU8022394A (en) 1995-06-15
US5626574A (en) 1997-05-06
CA2137520C (en) 1999-06-15
MY111498A (en) 2000-06-30
AU688399B2 (en) 1998-03-12
KR950016710U (ko) 1995-07-20
ES2112492T3 (es) 1998-04-01
DE69408640D1 (de) 1998-04-02
KR0116498Y1 (ko) 1998-04-20
EP0657153A3 (en) 1995-08-23
PH31135A (en) 1998-03-03

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