CN1662200A - 具有弹性化外腿箍的一次性吸收制品 - Google Patents
具有弹性化外腿箍的一次性吸收制品 Download PDFInfo
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- CN1662200A CN1662200A CN038138131A CN03813813A CN1662200A CN 1662200 A CN1662200 A CN 1662200A CN 038138131 A CN038138131 A CN 038138131A CN 03813813 A CN03813813 A CN 03813813A CN 1662200 A CN1662200 A CN 1662200A
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- absorbent article
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Abstract
本发明涉及一种一次性吸收制品。一次性吸收制品具有一个纵向中心线、一个横向中心线、一个外表面和一个内表面。吸收制品在使用前沿横向折叠。该一次性吸收制品包括一个液体可透过的顶片、一个液体不可透过的底片、一个设置在二者之间的吸收芯和一个弹性化外腿箍。弹性化外腿箍邻近该吸收制品的纵向侧边设置。该弹性化外腿箍具有一个基底和一个衬圈箍,衬圈箍由该基底至该衬圈箍的一个接头所支撑。衬圈箍具有弹性并且具有一个衬圈箍顶表面、一个从接头横向向内延伸的内箍和一个从接头横向向外延伸的外箍。在使用该吸收制品前,弹性化外腿箍横向向内折叠到吸收制品的内表面上以使衬圈箍顶表面朝上。
Description
技术领域
本发明涉及一种具有弹性化外腿箍的一次性吸收制品。更具体地讲,本发明涉及这样一种具有一个弹性化外腿箍的一次性吸收制品,所述外腿箍具有一个基底和由一个该基底所支撑的并且在使用吸收制品前被折叠的衬圈箍。
背景技术
装设了弹性化外腿箍的一次性吸收制品已为人们所熟知。形成弹性化外腿箍有多种方法。最常用的方法是由被封装在延伸吸收芯边缘之外的连续顶片和底片中的一个弹性元件来形成弹性化外腿箍。这些弹性化外腿箍围绕穿着者的大腿发挥衬圈箍紧作用,以保持绕大腿的密封性并使缝隙达到最小。已经进行了很多尝试来进一步改进弹性化外腿箍以将渗漏降至最小。
1992年1月17日出版的日本专利特开平H04-12751公开了一种吸收制品,其包括一个从吸收芯的纵向侧边横向向外延伸的柔韧侧翼和一个设置在该侧翼上的弹性材料。在吸收芯的纵向侧边和弹性材料的内缘之间的某个部分将侧翼向内朝着吸收芯折叠以形成第一折叠部分,并且在第一折叠部分和弹性材料的内缘之间的某个部分将侧翼横向向外折叠以形成第二折叠部分。在裆区中,第二折叠部分被连接到第一折叠部分上。根据说明,第二折叠部分提供裆区中的密封和一个由第一折叠和第二折叠部分形成的包含身体渗出物的凹槽。1989年12月20日出版的欧洲专利公开0 346477公开了一种包括一个布置在裆区中相对两侧来防止渗漏的部件的一次性尿布。该部件包括一个柔韧的翼和一个或多个弹性部分。为了提供T型箍,翼包括一个从尿布中上伸的支撑区、一个从该支撑区向内延伸的内护翼区和一个从该支撑区向外延伸的外护翼区。
然而,这些公开没有解决与在使用吸收制品之前具有一个一般为T型的外腿箍的折叠的吸收制品有关的问题,并且未提供任何解决方案来确保该一般为T型的外腿箍在展开吸收制品后及在使用时能够如预期的那样起作用。
基于前文所述,需要提供一个解决方案以确保包括一个基底和一个由该基底所支撑的衬圈箍的弹性化外腿箍能够在吸收制品展开后如预期的那样起作用。没有一种现有的吸收制品能提供本发明的全部优点和益处。
发明内容
本发明涉及一种一次性吸收制品。该一次性吸收制品具有一个纵向中心线、一个横向中心线、一个内表面和一个外表面。该吸收制品在使用前沿横向折叠。该一次性吸收制品包括一个液体可透过的顶片、一个液体不可透过的底片、一个设置在顶片和底片之间的吸收芯和一个弹性化外腿箍。将弹性化外腿箍邻近该吸收制品的纵向侧边设置。该弹性化外腿箍具有一个基底和一个衬圈箍,衬圈箍由该基底至该衬圈箍的一个接头所支撑。衬圈箍具有弹性并且具有一个衬圈箍顶表面、一个从接头横向向内延伸的内箍和一个从接头横向向外延伸的外箍。在使用吸收制品前,弹性化外腿箍在吸收制品的外表面上横向向内折叠以使衬圈箍顶表面朝上。
所有引用的文献的相关部分均引入到本文中以供参考,任何文献的引用不可解释为是对其作为本发明的现有技术的认可。
附图说明
虽然本说明书以特别指出和清楚地要求保护本发明的权利要求书作出结论,但相信由下列结合附图描述的优选实施方案可更好地理解本发明,其中:
图1是本发明的一个实施方案的尿布的透视图;
图2是沿图1的线II-II截取的剖面图;
图3是图1的尿布在其平展状态下的顶部平面视图;
图4是侧翼的第一可供选择的实施方案;
图5是侧翼的第二可供选择的实施方案;
图6是侧翼的第三可供选择的实施方案;
图7是显示形成弹性化外腿箍的第一步骤的顶部平面视图;
图8是沿图7的线VIII-VIII截取的剖面图;
图9是显示形成弹性化外腿箍的第二步骤的顶部平面视图;
图10是沿图9的线X-X截取的剖面图;
图11是显示形成弹性化外腿箍的第三步骤的顶部平面视图;
图12是沿图11的线XII-XII截取的剖面图;
图13是具有耳片的尿布在其平展状态下的顶部平面视图;
图14是图1的尿布的透视图,图中弹性化外腿箍被折叠;
图15是沿图14的线XV-XV截取的剖面图;和
图16与图15相对应的剖面图,显示弹性化外腿箍的不同折叠构型。
具体实施方式
本发明中的术语“包括”是指可加入不影响最终结果的其它步骤和其它成分。该术语包括术语“由...组成”和“基本上由...组成”。
本发明中所使用的术语“吸收制品”是指吸收和容纳身体渗出物的装置,更具体地讲,是指紧贴或靠近穿着者身体放置以吸收和容纳由身体排出的各种渗出物的装置。在本发明中,术语“一次性的”是指通常不打算洗涤、或者复原、或作为吸收用品再使用的吸收用品(即,它们设计在一次性使用后丢弃,优选将其回收利用、堆肥处理或以其它环境相容的方式进行处理)。本发明中所使用的术语“设置”是指尿布的组件在特定的地点或位置与尿布的其它组件一起形成(连接和定位)一体结构,或作为独立的组件与尿布的另一个组件相连。如本发明中所使用的,术语“连接”包括通过将组件直接附加到其它组件上而将组件直接固定到另一个组件的构型,和通过将组件附加到中间组件,所述中间组件依次附加到其它组件上而将一个组件间接地连接到另一个组件的构型。本发明使用的术语“尿布”是指通常由婴儿和下部躯体失禁者穿着的吸收制品。本发明还适用于其它吸收制品,如失禁贴身短内裤、大小便失禁内裤、吸收性插片、尿布支持物和衬垫、妇女卫生内衣等。如本发明中所使用的,术语“纵向”是指通常在吸收制品的平面内与垂直平面对齐的(例如,接***行的)线、轴或方向,当吸收制品被穿着时,所述垂直面将站立的穿着者分为左右两个身体部分。如本发明中所使用的,术语“横向”或“侧向”可以相互替换使用,是指位于吸收制品的平面内通常与纵向垂直的线、轴或方向。
图1是本发明的一个实施方案中尿布20的透视图。参见图2和图3,图2显示沿图1的线II-II截取的剖面图,图3也显示图1的尿布20在其平展状态下的顶部平面视图,尿布20具有面对穿着着的一个内表面26、一个相对的外表面28、纵向中心线L和横向中心线T。尿布20也具有通常在尿布的纵向上延伸的纵向侧边22和通常在尿布20的横向上在纵向侧边22之间延伸的横向端边24。尿布20的周边被纵向侧边22和横向端边24所确定。尿布20还具有一个前腰区36、一个后腰区38和一个设置在前腰区36和后腰区38之间的裆区40。
尿布20包括一个底座54和一个接合到底座54上的耳片48。底座54如图3所示在其平展状态下大致具有矩形的形状。底座54具有一个横向端边58和一个纵向侧边56。底座54的横向端边58优选地确定尿布20的横向端边24。底座54的纵向侧边56优选地至少在裆区40中确定尿布20的纵向侧边22。底座54包括一个液体可透过的顶片30、一个液体不可透过的底片32、一个优选地位于顶片30和底片32的至少一部分之间的吸收芯34和一个从吸收芯34横向向外延伸的侧翼44。侧翼44具有一个近翼74和一个远翼76。底座54还包括一个邻近裆区40中的纵向侧边22设置的弹性化外腿箍42。弹性化外腿箍42具有一个基底68和一个衬圈箍70,衬圈箍70在基底68至衬圈箍70的一个接头72处由基底68所支撑。衬圈箍70装设了弹性材料46并且具有一个从接头72横向向内延伸的内箍100和从接头72横向向外延伸的外箍102。图1所显示的底座54也可包括一个阻挡腿箍52和一个弹性腰件(图中未显示出)。耳片48被接合到底座54的纵向侧边56的旁边并且用任何已知的方法如粘合剂或热压连接法连接到一个代替底座54的元件如顶片、底片、吸收芯、弹性化外腿箍、阻挡腿箍或它们的组合上,以使耳片48从吸收芯34横向向外延伸。在图1所示的实施方案中,耳片48用热压连接法接合到底片32上。耳片48的纵向侧边设置了一个闭合元件如扣紧带39。
液体可透过的顶片30优选与吸收芯34的朝向身体表面相邻,并可通过本领域已知的任何连接方法接合到吸收芯34和/或接合到底片32上。顶片30优选为柔顺的、感觉柔软的,并且对穿着者的皮肤无刺激。另外,至少顶片30的一部分为液体可透过的,使液体易于穿过其厚度。适合的顶片30可由多种材料制成,如多孔泡沫;蜂窝状泡沫;有孔塑料膜;或天然纤维(例如,木纤维或棉纤维)、合成纤维(例如,聚酯纤维或聚丙稀纤维)或者天然纤维与合成纤维的组合的织网或无纺网。优选地,顶片30由疏水材料制成,或处理为疏水的,以使穿着者的皮肤与包含在吸收芯34内的液体分开。如果顶片30由疏水材料制成,优选至少将顶片30的上表面处理为亲水的,以使液体可更快地穿过顶片。
液体不可透过的底片32通常是尿布20的一部分,其被设置在临近吸收芯34的朝向衣物表面的位置。底片32防止其所吸收和存储的***物和/或分泌物弄脏可接触尿布20的用品,例如床单和内衣。在优选的实施方案中,底片32不能透过液体(即,尿液)并且包括一张薄塑料薄膜例如厚度约0.012mm(0.5mil)至约0.051mm(2.0mils)的热塑性薄膜。合适的底片薄膜包括印度Terre Haute的Tredegar Industries Inc.制造的、以商品名X15306、X10962和X10964销售的那些产品。其它合适的底片材料可包括使蒸气能够从尿布20逸出但同时可防止渗出物透过底片32的透气材料。示例性透气材料可包括如织网、非纺织网、复合材料如膜包衣非纺织网和微孔薄膜如日本的Mitsui Toatsu Co.制造的商品名为ESPOIR NO和德克萨斯州Bay City的EXXON Chemical Co.制造的商品名为EXXAIRE的微孔薄膜的那些材料。合适的透气复合材料包括购自俄亥俄州Cincinnati的Clopay Corporation的商品名为HYTREL blend P18-3097的共混聚合物。
吸收芯34可包括任何吸收材料,该材料通常是可压缩的、适形的、对穿着者的皮肤无刺激的,并能吸收和容纳液体如尿液和某些其它的身体渗出物。吸收芯34具有纵向侧边和端边,并可制为各种大小和形状(例如,矩形、沙漏型、“T”型、不对称型等),还可包括多种液体吸收材料,所述液体吸收材料通常用于一次性尿布和其它吸收制品如粉碎的木浆,所述木浆通常称为透气毡(airfelt)。其它适用的吸收材料实施例包括绉纱纤维素填料;熔喷聚合物,包括共成型、化学硬化、改性或交联的纤维素纤维;薄纸,包括薄纸包装材料和薄纸层压材料;吸收泡沫;吸收海绵;超吸收聚合物;吸收胶凝材料;或其它任何已知的吸收材料或材料的组合。在任何情况下,全部或部分的吸收芯可包括狭缝,该狭缝使芯在伸长时形成开口,粪便类物质由此可流入其中。吸收芯34的构型和构造也可以改变(例如,吸收芯或其它吸收结构可具有变化的厚度区、亲水梯度、超吸收梯度或较低平均密度和较低平均基重获得区域;或包括一个或多个层或结构)。但是,吸收芯34的总吸收能力应与尿布20的设计负荷和使用目的相容。
将阻挡腿箍52接合在底座54的纵向侧边56旁边。在图2所示的实施方案中,用任何已知的方法将阻挡腿箍52在阻挡腿箍52的近边66处接合在顶片30上。可供选择地,可将阻挡腿箍52接合到底片32上,而不接合到顶片30上。阻挡腿箍52可包括任何已知的材料,例如不能透过液体的和/或疏水的非纺织材料。阻挡腿箍52具有一个横向内侧部分62,其从近边66横向向内延伸并在横向内侧部分62的远心端装设了弹性材料以将横向内侧部分62向上与顶片30隔开一定距离,对于身体渗出物起障碍作用。在如图2所示的实施方案中,阻挡腿箍52也具有一个从近边66延伸并接合在顶片30的横向延伸部和底片32的横向延伸部上的横向外侧部分60。图2所示的横向外侧部分60还横向向外延伸顶片30的纵向侧边31和底片34的纵向侧边33二者之外。
在图2所示实施方案中,图1、2和3所示的侧翼44被设置邻近底座54的纵向侧边56以从吸收芯34横向向外延伸。侧翼44优选地用液体不可透过和/或疏水材料制成。侧翼44具有一个横向上靠近吸收芯34的近翼74和一个从近翼74横向向外延伸的远翼76。近翼74和远翼76可由一整体材料来形成或可供选择地由分离材料彼此接合来形成。侧翼44可用单层材料、或两层或多层材料来形成。在图2所示的实施方案中,邻近近边66的一部分近翼74用顶片30的横向延伸部、底片32的横向延伸部和横向外侧部分60来形成。近翼74横向上外侧的一部分用底片32的横向延伸部和阻挡腿箍52的横向外侧部分60来形成。因为液体不可透过底片32延伸进近翼74中,这种构形使近翼74能够不透过液体。在该实施方案中,远翼76仅用阻挡腿箍52的横向外侧部分60来形成。优选地包括两层或多层的侧翼的一部分用任何已知的方法如粘合剂在遍及这些层的同样大小的面积上进行接合。这使底片34的纵向侧边33不与阻挡腿箍52的横向外侧部分60分离,并且有助于提供尿布的简洁外缘。
对形成侧翼做出很多改进是可能的。在图2所示的实施方案中,近翼74可仅用阻挡腿箍52的横向外侧部分60来形成,不用底片32的横向延伸部。当阻挡腿箍52用疏水和/或液体不可透过材料来形成时,近翼74可具有足够的液体不渗透性,即使没有底片32伸进其中。这种构造也能够提高近翼74的透气性和减小其体积。在图2所示的实施方案中,顶片30可延伸进近翼74中以使顶片30延伸到和底片32一样的范围。
图4、5和6中所示是侧翼44的一种备选实施方案。在图4所示的实施方案中,除去了阻挡腿箍。相反,将一个侧翼薄片240接合到顶片230的横向延伸部和底片232的横向延伸部上以形成侧翼244。紧靠吸收芯234的近翼274的一部分用顶片230的横向延伸部、底片232的横向延伸部和侧翼薄片240形成。近翼274外侧的一部分用底片232的横向延伸部和侧翼薄片240形成。在该实施方案中,远翼276仅用侧翼薄片240形成。至少一部分形成远翼276的侧翼薄片240或全部侧翼薄片240优选地为疏水的和/或液体不可透过的。在图5所示的实施方案中,顶片330的横向延伸部延伸进近翼374和远翼376中以形成侧翼344。紧靠吸收芯334的一部分近翼374用顶片330的横向延伸部、底片332的横向延伸部和阻挡腿箍352的横向外侧部分360形成。近翼374外侧的一部分用底片332的横向延伸部和顶片330的横向延伸部形成。在该实施方案中,远翼376仅用顶片330的横向延伸部形成。形成远翼376的至少一部分顶片330优选地被作成是疏水的和/或液体不可透过的。在图6所示的实施方案中,底片432包括一个覆盖液体不可透过底片薄膜425的外层无纺材料424。外层无纺材料424延伸进近翼474和远翼476中以形成侧翼444。紧靠吸收芯434的一部分近翼474用顶片430的横向延伸部、底片薄膜425的横向延伸部、阻挡腿箍452的侧外部分460和外层无纺材料424形成。近翼474外侧的一部分用底片432的横向延伸部和外层无纺材料424形成。在该实施方案中,远翼476仅用外层无纺材料424形成。形成远翼476的至少一部分外层无纺材料424或全部外层无纺材料424优选地被作成是疏水的和/或液体不可透过的。
侧翼还可能有另外的备选实施方案。例如,侧翼可包括接合到底座54上的任何其它材料或可包括顶片延伸部、底片延伸部、阻挡腿箍延伸部和/或其它材料的任何组合。尽管图4、5和6所示的远翼仅用延伸进该远翼的一层材料来形成,但其可包括延伸进该远翼的两层或多层材料。如在下文所说明的那样,远翼用来形成弹性化外腿箍,其一部分接触穿着者的皮肤。因此,优选地,接触穿着者皮肤的远翼的表面包括有弹性的、柔韧的和柔软的材料如无纺材料或纺织材料。
图1、2和3所示的弹性化外腿箍42包括侧翼44和弹性材料46。外腿箍42是一个一般为T形的箍,其具有一个基底68和一个衬圈箍70,衬圈箍70在基底至衬圈箍70的接头72处由基底68支撑。术语“一般为T形的”意思是基底从在衬圈箍的内箍和外箍之间的接头处的衬圈箍中分出来,以使当尿布处在松弛状态时,在剖面图中基底与内箍和外箍形成某个角度。因此,基底可与内箍和外箍形成90度的夹角或不同于90度的夹角。基底68包括近翼74并且在吸收芯34的纵向侧边和接头72之间延伸。衬圈箍70包括远翼76并被设置在基底68的上部。
如图2所示,衬圈箍70具有一个从接头72横向向内延伸的内箍100和一个从接头72横向向外延伸的外箍102。衬圈箍70用侧翼44的远翼76来形成,其沿第一折叠线78和第二折叠线80横向向内朝着尿布20的纵向中心线L至少被折叠两次,并且在具有一个内侧纵边82、一个外侧纵边84、一个衬圈箍顶面86和一个反面88的横截面中形成了一个薄平的套管状形状。在如图2所示的横截面中,衬圈箍顶面86具有一个大致平直的表面,但其也可以具有如图1所示的由弹性材料46收缩所形成的在纵向上的一定的不平度。虽然薄平形形状是优选的,衬圈箍70可被形成为不同的横截面例如圆形、椭圆形、U形或V形。在图中所示的实施方案中,第一折叠线78和第二折叠线80分别与衬圈箍70的内侧纵边82和外侧纵边84相重合。衬圈箍70的反面88与基底68在位于内箍100和外箍102之间的接头72处用任何已知的方法例如粘合剂进行接合,优选地在内箍100和外箍102间的中间处接合。衬圈箍70装设了弹性材料46例如多个弹性线、单个弹性带等。将弹性材料46包封在衬圈箍70的薄套管状空间内并且与其内表面接合。在图2所示的实施方案中,弹性材料46包括四条弹性线。两条弹性线沿内侧和外侧纵向边缘82和84设置,其它两条弹性线紧靠接头72设置,优选地设置在接头72的横向相对的两侧上。可供选择地,弹性线46可包括两条或多条弹性线或者可包括一个宽度为内侧和外侧纵向边缘82和84之间长度的单个弹性带。弹性材料46通常在裆区40中延伸,以使弹性材料46给衬圈箍70提供弹性并且当尿布20如图1所示被松弛时,使衬圈箍70产生收缩。弹性材料46也提供一个力,使基底68如图2所示的那样从吸收芯34大体向上竖立起来。因此,当外腿箍42处于松弛状态时,基底68和衬圈箍70的组合提供一个一般为T型的箍。其也在内箍100的反面88和基底68的内表面之间提供了一个凹槽90来提高对身体渗出物的密封度。内箍100起到有效的阻挡作用,防止身体渗出物溢出衬圈箍70。
衬圈箍70优选地具有一个横向宽度。当使用过程中衬圈箍70接触穿着者的皮肤时,提供良好的密封效果,防止身体渗出物的泄漏。宽衬圈箍70产生的有效皮肤接触区域较宽,密封效果良好。然而,因为皮肤接触区域宽,这样的宽衬圈箍可使穿着者产生不适感。因此,衬圈箍70在尿布20的裆区40沿横向中线的横向宽度可在约3mm和约50mm之间,优选地在约5mm和约30mm之间,更优选地在约10mm和20mm之间。横向宽度可按衬圈箍70的内侧纵向边缘82和外侧纵向边缘84之间的宽度进行测量。衬圈箍70在其整个纵向长度上可具有相同的横向宽度。然而,衬圈箍70的横向宽度可沿衬圈箍70的纵向长度变化。例如,衬圈箍70在裆区40处的横向宽度可大于其在前和/或后腰区36、38处的横向宽度。
基底68优选地具有一个横向宽度。当基底68如图2所示从吸收芯34向上竖立起来时,其提供良好的密封特性。基底68在尿布20的裆区40处沿横向中心线T的横向宽度可在约10mm和约100mm之间,优选地在约20mm和约80mm之间,更优选地在约30mm和约70mm之间。横向宽度可根据接头72和吸收芯34的纵向侧边之间的宽度进行测量。基底68在其整个纵向长度上可具有相同的横向宽度。然而,基底68的横向宽度可沿基底68的纵向长度变化。例如,基底68在裆区49处的横向宽度可大于其在前和/或后腰区36、38处的横向宽度。
图7至12显示一种从侧翼44和弹性材料46形成图1、2和3的弹性化外腿箍42的方法。在如图7和8所示的实施方案中,在形成外腿箍42之前,通过接合顶片30、底片32和阻挡腿箍52将侧翼44预先组装好。在图8所示的实施方案中,侧翼44具有实际上被接头72所在点分开的近翼74和远翼76。侧翼44具有一个第一表面43和一个第二表面45。远翼76具有一个第一翼部(第一折叠部分)73、一个第二翼部(第二折叠部分)75和一个第三翼部77。将第一翼部73和第二翼部75用图7中假想线显示的第一折叠线78分开,将第二翼部75和第三翼部77用图7中假想线显示的第二折叠线80分开。在图7和8所示的实施方案中,包括四条弹性线的弹性材料46被拉紧并被设置在远翼76的第二翼部75的第一表面43上。接着用任何已知的方法如粘合剂将弹性线46接合在那里。弹性线46在裆区40中的第一折叠线78和第二折叠线80之间的区域中延伸。弹性线46可延伸进前腰区36和/或后腰区38。当第一翼部73如在下文所说明的那样进行折叠时,第一翼部73具有覆盖四条弹性线46的横向宽度,并且具有与第二翼部75几乎同样的横向宽度。第三翼部77的横向宽度差不多是第二翼部75的一半。当第一翼部73折叠到第二翼部75上时,提供了第一箍成形粘合剂116来将第一翼部73接合到邻近横向端边24的第二翼部75上。
然后,如图9和10所示,将侧翼44的远翼76沿邻近最外面的弹性线47的第一折叠线78横向向内朝着尿布20的纵向中心线L折叠一次。将远翼76的第一翼部73朝着尿布20的内表面26的一侧折叠。远翼76将在第一折叠部分(第一翼部)73和第二翼部75之间的四条弹性线46夹入中间。当弹性线46被夹入中间时,弹性线46优选地被接合到第一折叠部分73的第一表面43和第二翼部75上。在第一折叠部分73的第二表面45上提供了接合粘合剂92以形成衬圈箍70和基底68间的接头72。在衬圈箍70被组装成如图2所示的构型的情况下,将接合粘合剂92设置成在第一折叠线78和第二折叠线80之间的连续直线,优选地设置在两条折线的中间,以使衬圈箍70和基底68形成一个一般为T型的箍。换句话讲,接合粘合剂92被设置在远翼76的第一折叠线78和纵向侧边94之间。在图9所示的实施方案中,接合粘合剂92连续地在底座54的横向端边58之间的纵向上延伸。就衬圈箍70和基底68形成一个一般为T型的箍来说,接合粘合剂可采用任何形状例如波形线或点线或安放在任何位置。尽管在图9和10所示的实施方案中,接合粘合剂92仅被设置在远翼76的第一折叠线78和纵向侧边94的中间,可将接合粘合剂92设置在图9和10所示的接合粘合剂92的位置和远翼76的纵向侧边94之间。在将远翼76折叠成图9和10所示的构型之前或之后,可将接合粘合剂92设置在第一折叠部分73上。可供选择地,可将接合粘合剂92设置在对应接头72的侧翼44的位置上,如图10中的参考数字193所示。当将第一翼部73接合在第三翼部77和其内侧一部分上时,设置第二箍成形粘合剂118以将第一翼部73接合到第三翼部77和邻近横向端边24的其内侧的一部分上。
然后,如图11和12所示,将具有由第一翼部73和第二翼部75夹入中间的四条弹性线46的远翼76再次沿邻近最里面的弹性线49的第二折叠线80横向向内朝着尿布20的纵向中心线L折叠。将远翼76朝着尿布20的内表面26的一侧折叠。远翼76通过第一折叠部分73、第二折叠部分75、第一折叠线78和第二折叠线80包住四条弹性线46。第一折叠线78和第二折叠线80分别与衬圈箍70的内侧纵向边缘82和外侧纵向边缘84相重合。在图12所示的实施方案中,第一折叠部分73具有一个横向宽度以使远翼76的纵向侧边94被隐藏在衬圈箍70内部。接合粘合剂92形成在衬圈箍70和基底68之间的接头72,利用它形成了内箍100和外箍102。另外,其形成衬圈箍70和组成外腿箍42的基底68。沿底座54的纵向侧边56设置外腿箍42。衬圈箍70的外侧纵向边缘84确定底座54的纵向侧边56。当外腿箍42是在处于松弛状态时,外腿箍42具有一般为T型的箍的构型,这种构型具有一个薄平形状的衬圈箍70和大致向上竖立的基底68。
因而形成的弹性化外腿箍42具有几个优点。形成薄平套管状形状并具有平直的衬圈箍顶面86的外腿箍42的衬圈箍70在穿着者的皮肤和表面86之间提供了有效的衬圈密封。通过折叠至少两次,衬圈箍70具备了一定程度的刚度,但其对穿着者的皮肤来说仍是柔和和柔软的。因此,增强了穿着者的皮肤和表面86之间的密封效果。另外,具有一定刚度的衬圈箍70防止或至少可减少衬圈箍70的外侧纵向边缘84横向向内朝着尿布20的纵向中心线L产生翻转。因此,在穿着者穿用尿布20时,使用者或穿着者不必更多地把注意放在确定衬圈箍是否翻转和/或是否衬圈箍70正好适合穿着者。本发明的衬圈箍70具有通过横向向内朝向尿布20的纵向中心线L折叠远翼76至少两次所形成的外侧纵向边缘84和内侧纵向边缘82。这不仅使衬圈箍70的性价比高、操作简单,而且其也提供了与传统的具有用切割或修边形成的暴露的外缘、外观性差的外腿箍相比外观简洁的衬圈箍70。当衬圈箍70包括无纺材料时,其也使该衬圈箍柔软并且具有象布一样的外观。
将耳片48邻近底座54的纵向侧边56设置以从吸收芯34横向向外延伸。在通过折叠侧翼44的远翼76形成外腿箍42的衬圈箍70之前,可将耳片48接合到底座54上。然而,当在形成外腿箍42之前将耳片48接合到底座54时,需要复杂的折叠操作来折叠远翼76以确保远翼76的折叠操作不和远翼76一起折叠耳片48。因此,在外腿箍42形成之后将耳片48接合到底座54上是优选的。换句话讲,衬圈箍70优选地在耳片48和衬圈箍70通过组成底座54的元件例如底片、顶片和/或阻挡腿箍彼此接合之前,通过折叠远翼76成形。这使折叠远翼76的操作能够变得容易和简单,因为耳片48不会阻碍折叠远翼76形成衬圈箍70。因此,如图13所示首先组装具有外腿箍42的底座54,然后再将耳片48接合到底座54上是优选的。
图1至3所示的实施方案为所谓的带式尿布,其具有扣紧带39以形成尿布的封闭。可供选择地,可将一对耳片接合到在前腰区和后腰区两处的底座上。在前腰区和后腰区处的耳片的纵向侧边可用一个接缝进行接合,以使尿布形成具有一个腰部开口和两个腿部开口的所谓的套穿尿布。
诸如尿布之类的吸收制品典型地被折叠起来以减小其使用前的尺寸并被包装在诸如一个塑料袋或一个硬纸盒之类的包装中。为了减小尿布的尺寸,可将一部分尿布沿纵向侧向内朝着纵向中心线折叠起来。可将尿布沿横向方向进一步折叠。
尿布20在使用前被折叠。如图14和15所示,弹性化外腿箍42沿一个第一折叠线150横向向内被折叠到尿布20的内表面26上,并沿一个第二折叠线152横向向外折回以使衬圈箍70的衬圈箍顶表面86朝上。这将缩小尿布20的横向尺寸以便将尿布20包装进一个包装中。第一折叠线150位于近翼74上,优选地邻近吸收芯34的纵向侧边154设置。为了有效地缩小尿布20的横向尺寸,将第一折叠线150尽可能接近纵向侧边154设置是优选的。尽管第一折叠线150位于吸收芯34上是可能的,第一折叠线150优选地位于近翼74要胜过位于吸收芯34上,这是因为近翼74要比吸收芯34更柔韧并且比吸收芯34更容易折叠。第二折叠线152位于第一折叠线150和接头72之间,优选地邻近接头72。在弹性化外腿箍42的折叠构型中,左右衬圈箍70的内侧纵边82优选地不交叠。可供选择地,左右衬圈箍70的内侧纵边82可交叠。衬圈箍的外侧纵边84被设置在第一折叠线150的横向内侧。
折叠弹性化外腿箍42以使衬圈箍70的衬圈箍顶表面86朝上很重要。因为在使用前在尿布20的折叠构型中保持衬圈箍顶表面86朝上,即使在将尿布20展开使用后,衬圈箍顶表面86将易于朝上并容易获得图2所示的构型。然而,如图16所示,如果将弹性化外腿箍42折叠起来以使衬圈箍顶表面86朝下(即,朝着顶片30),则衬圈箍70不容易获得图2所示的构型。因此,衬圈箍70不会起到预期的作用。
在如图14和15所示折叠弹性化外腿箍42后,可将尿布20沿横向折叠,优选地沿横向中心线T折叠。可供选择地,可将尿布20沿具有两个或多个折叠线的横向折叠。这也将缩小尿布20的纵向尺寸以便于包装。
尽管已说明和描述了本发明的具体实施方案,但对于本领域的专业人员显而易见的是,在不背离本发明精神的情况下可对其进行各种改变或修改。因此有意识地在附加的权利要求书中包括本发明范围内的所有这些变化和修改。
Claims (10)
1.一次性吸收制品,所述制品具有纵向中心线、横向中心线、外表面和内表面,所述吸收制品在使用前沿所述横向折叠,
所述一次性吸收制品包括:
液体可透过的顶片,
液体不可透过的底片,
设置在顶片和底片之间的吸收芯,
邻近所述吸收制品的纵向侧边设置的弹性化外腿箍,所述弹性化外腿箍具有基底和衬圈箍,所述衬圈箍在所述基底与所述衬圈箍的接头处由所述基底支撑,所述衬圈箍具有弹性并具有衬圈箍顶表面、从所述接头横向向内延伸的内箍和从所述接头横向向外延伸的外箍,
其中,在使用所述吸收制品之前,所述弹性化外腿箍横向向内折叠到所述吸收制品的内表面上以使所述衬圈箍顶表面朝上。
2.如权利要求1所述的一次性吸收制品,其中所述吸收制品还沿所述横向折叠。
3.如权利要求1或2所述的一次性吸收制品,其中所述吸收制品具有从所述吸收芯横向向外延伸并具有近翼和远翼的侧翼,所述基底包括所述近翼,所述衬圈箍包括所述远翼,并且所述弹性化外腿箍沿位于所述远翼上的第一折叠线横向向内折叠。
4.如权利要求3所述的一次性吸收制品,其中所述吸收芯具有纵向侧边并且所述第一折叠线邻近所述吸收芯的纵向侧边设置。
5.如权利要求3所述的一次性吸收制品,其中所述弹性化外腿箍沿位于所述第一折叠线和所述接头之间的第二折叠线横向向外折回。
6.如权利要求5所述的一次性吸收制品,其中所述第二折叠线邻近所述接头设置。
7.如权利要求1所述的一次性吸收制品,其中所述外箍具有外侧纵边并且当所述弹性化外腿箍被折叠时所述外侧纵边位于所述第一折叠线的横向内侧。
8.如权利要求1所述的一次性吸收制品,其中所述弹性化外腿箍用构成所述吸收制品的元件的延伸部整体形成。
9.如权利要求8所述的一次性吸收制品,其中构成吸收制品的元件的延伸部包括选自所述顶片的延伸部、所述底片的延伸部、覆盖所述底片的外层无纺材料的延伸部、所述阻挡腿箍的延伸部,或它们的组合的元件。
10.如权利要求1所述的一次性吸收制品,其中所述弹性化外腿箍一般为T型。
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2003
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- 2003-07-01 JP JP2004518171A patent/JP2005530594A/ja not_active Withdrawn
- 2003-07-01 CN CN038138131A patent/CN1662200B/zh not_active Expired - Lifetime
- 2003-07-01 WO PCT/US2003/020703 patent/WO2004002386A1/en active Application Filing
- 2003-07-01 AU AU2003247670A patent/AU2003247670A1/en not_active Abandoned
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2006
- 2006-09-26 US US11/527,025 patent/US8062279B2/en not_active Expired - Fee Related
-
2009
- 2009-01-29 JP JP2009018335A patent/JP5148520B2/ja not_active Expired - Fee Related
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2011
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- 2011-08-05 US US13/198,857 patent/US8613737B2/en not_active Expired - Lifetime
-
2013
- 2013-09-09 JP JP2013186716A patent/JP5792245B2/ja not_active Expired - Fee Related
- 2013-11-12 US US14/077,708 patent/US9301889B2/en not_active Expired - Fee Related
-
2016
- 2016-02-24 US US15/052,113 patent/US10918533B2/en active Active
Cited By (6)
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CN103717187A (zh) * | 2011-07-28 | 2014-04-09 | 花王株式会社 | 一次性尿布和其制造方法 |
CN103717187B (zh) * | 2011-07-28 | 2015-07-22 | 花王株式会社 | 一次性尿布和其制造方法 |
CN108093621A (zh) * | 2015-03-18 | 2018-05-29 | 宝洁公司 | 带有腰衬圈元件和腿箍的吸收制品 |
CN107708638A (zh) * | 2015-06-30 | 2018-02-16 | 宝洁公司 | 带有弹性化区域的吸收制品 |
CN110248627A (zh) * | 2017-02-28 | 2019-09-17 | 金伯利-克拉克环球有限公司 | 具有延伸的腿部弹性件的吸收制品 |
CN110267631A (zh) * | 2017-02-28 | 2019-09-20 | 金伯利-克拉克环球有限公司 | 用于制造具有延伸的腿部弹性件的吸收制品的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1662200B (zh) | 2010-05-26 |
US9301889B2 (en) | 2016-04-05 |
US8613737B2 (en) | 2013-12-24 |
JP2011235157A (ja) | 2011-11-24 |
JP2005530594A (ja) | 2005-10-13 |
JP2014012211A (ja) | 2014-01-23 |
JP2009136697A (ja) | 2009-06-25 |
US20070149943A1 (en) | 2007-06-28 |
JP5792245B2 (ja) | 2015-10-07 |
US20140074057A1 (en) | 2014-03-13 |
WO2004002386A1 (en) | 2004-01-08 |
AU2003247670A1 (en) | 2004-01-19 |
US20040002690A1 (en) | 2004-01-01 |
US8062279B2 (en) | 2011-11-22 |
US10918533B2 (en) | 2021-02-16 |
US20110288519A1 (en) | 2011-11-24 |
JP5148520B2 (ja) | 2013-02-20 |
US20160166445A1 (en) | 2016-06-16 |
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