CN2233237Y - 一次性尿布 - Google Patents

一次性尿布 Download PDF

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CN2233237Y
CN2233237Y CN95205177U CN95205177U CN2233237Y CN 2233237 Y CN2233237 Y CN 2233237Y CN 95205177 U CN95205177 U CN 95205177U CN 95205177 U CN95205177 U CN 95205177U CN 2233237 Y CN2233237 Y CN 2233237Y
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rib collar
top flat
diaper
free side
matrix
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丹治浩之
末兼真
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Unita Corp
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Abstract

一种一次性尿布带有一对彼此纵向平行,跨过前区,胯区和后区的弹性胯区罗口,每一条所述罗口沿着其基体,并在其纵向相对末端,靠近近基体处在吸湿芯子横向相对侧边内部的地方与顶片粘结一起,吸湿芯子夹在顶片与底片之间,这样罗口可以向着尿布内部折叠,而自由侧边向外叠合在罗口的没有叠合的部位上,所述自由侧边的纵向相对末端粘结在罗口或顶片上。

Description

一次性尿布
本实用新型涉及一种一次性使用的尿布,特别是涉及一种带有弹性大腿罗口的一次性尿布。
在这个技术领域内,众所周知的一次性使用尿布带有一对纵向延伸配置的彼此平行的罗口,这种罗口有一种向着使用者胯部竖立起来的趋势,从而可以有效地避免在其他情况下可能发生的排泄物泄漏。例如,美国专利5021051号公布了一项技术,根据这项技术,向尿布内部折叠的这种罗口的纵向相对边缘粘结在顶片上,在尿布的胯区,罗口的自由侧边向着尿布的外边折叠,而同一罗口的相对配置的外表面部分彼此搭接,并部分地粘结在一起,这样,在尿布胯区相应罗口的自由侧边之间可以获得一个较宽的空间。这样,不必担心顶片的过份大的区域可能被胯区的折叠罗口覆盖,同时,即便是罗口尺寸较宽,也可能使得用于液体渗透的顶片有效面积大大减小,从而当罗口竖立时,可以形成较高的障碍物。
对于一般处理高流动性稀大便的一次性尿布,可以配置一对具有向着使用者大腿胯部反弹趋势的罗口,以便在罗口基体之间形成一个较小的空间,从而可以有效地抑止松弛通道的扩展,并因而使有可能被松弛通道沾污的使用者皮肤面积减至最小。另外,将罗口的宽度尺寸做得较大,并且当它们反弹时,使罗口形成较高的障碍物则即使在尿布离开使用者大腿胯部较远时,也可以可靠地避免松弛通道的泄漏,因罗口能满意地起到障碍物的作用。然而,减小相应罗口基体之间的空间和使罗口尺寸做得较宽会带来一个问题,即罗口会覆盖顶片过大的一部分面积,这样,使得用于液体渗透的顶片的有效面积大大减小,并产生地阻止了恰当地吸收排泄物。美国专利5021051号公布的技术开发的目的原来是要解决这个问题的,但是这个技术实际上很难达到理想的目的,因为相应的罗口上折叠成两块的自由侧边在大腿胯区粘结在一起,结果使罗口不能形成理想的高障碍物。
考虑到上述问题,本实用新型的主要目的是要通过将已经向着尿布内部折叠的相应的罗口的自由侧边向外折叠,并将这样折叠的相应罗口的纵向相对末端粘结到罗口本身上或粘结到顶片上来解决这个问题。
根据本实用新型,上述目的通过一块一次性使用的尿布达到,该尿布包括:一块液体可渗透的顶片,一块液体不可渗透的底片和夹在这两片中间的一个吸湿芯子,这些组件装配在一起,形成一个前区,一个后区和位于所述前区和后区之间的胯区,此外,该尿布还包括,一对纵向互相平行,跨过的述前区,后区和所述胯区的罗口,所述罗口中的每一个都具有一个基体,一条和所述基体平行的弹性自由侧边,和纵向相对末端,这些罗口沿着所述基体并在所述纵向相对末端上粘结在所述顶片上,这样,所述自由侧边具有在所述胯区内,离开所述顶片而向着使用者的大腿胯部竖立起来的趋势,其特征为,所述罗口沿着所述基体以及在所述纵向相对末端部分上,在接近所述基体的地方,在所述吸湿芯子的横向相对侧边缘处与所述顶片粘结在一起,这样,所述罗口可以向着所述尿布的内部折叠,并沿着所述自由侧边,向着所述尿布的外边叠合在已折过的罗口的及有叠合的部分上,同时,所述自由侧边的纵向相对末端粘结在所述没有叠合部分上或顶片上。
采用这种布置方式,罗口的基体可在吸湿芯子横向相对侧边缘的内部与顶片粘结在一起,以便可减小相应罗口基体之间的空间。已经向着尿布内部折叠的相应罗口的自由侧边再向着尿布的外部折叠,并在罗口纵向相对末端处与顶片粘结在一起,这样,罗口不会覆盖顶片过份大的一部分面积,并且当罗口竖立时,可以形成理想的高障碍物。
根据本实用新型的一次性尿布将参照附图进行更详细的说明,其中:
图1为部分剖开的尿布平面图;
图2为沿着图1的2—2线所取的尿布部分透视图;
图3为沿着图1的3—3线所取的尿布的部分透视图;
图4为类似于图3的视图;
图5为示例性地表示本实用新型一个特定实施例的平面图。
参见图1,尿布1包括液体可渗透的顶片5,液体不可渗透的底片6和夹在这两片5,6之间的吸湿芯子7。这些组件5、6、7装配在一起构成前区8,后区9和位于这二个区8、9之间的胯区10。由吸湿芯子7的横向相对侧边向外延伸的顶片5和底片6的部分粘结在一起,形成第一条罗口12,用于包围相应的大腿,而由吸湿芯子7的纵向相对边缘15、16向外延伸的顶片5和底片6的部分相差地形成前区8和后区9的纵向相对末端17、18。第一条罗口12有缺口20,用于形成相应的腿部开口,同时弹性件21在拉伸长件下,沿着缺口20与相应的第一条罗口12粘结在一起,用于与相应的大腿配合。弹性件22,23在横向拉伸条件下与末端17、18粘结一起,用于与腰部配合。从后区的横向相对侧边缘处向外伸出紧固带25。
在尿布1中,用于胯区的一对窄的第二个罗口28纵向互相平行,跨过前区8和后区9。第二条罗口28的基体或外侧边29,在位于吸湿芯子7的相应侧边11内部的位置上与顶片5粘结一起,这样可以向着尿布1的内部折叠,同时第二条罗口28的靠近相应基体或外部侧边29的纵向相对末端30,31部分也与顶片5粘结在一起,向左和向下的斜线32表示与顶片5粘结的第二条罗口28的部分。第二条罗口28的自由侧边35平行于基体或外部侧边29,并向着尿布1的外部折叠回来,这点将在以后参照图2和图3予以说明。相应自由侧边35的纵向相对末端36,37与第二条罗口28的已经折叠但还及有叠合的部分粘结在一起,如向右和向下的斜线38所示。弹性件13,在纵向拉伸条件下粘结到相应的自由侧边35上,使它位于相应自由侧边35的相对末端36,37之间,同时第二条罗口28的相应自由边35向后折回一个狭窄的量,以便盖住相应的弹性件13。
参见图2,第二条罗口28,沿着其基体或外部侧边29,并在外部侧边的附近,利用热熔粘结剂40粘结到顶片5的上表面上,然后,自由侧边35和靠近它的部分向着尿布1的外部折叠,并且利用热熔粘结剂41粘结到已折叠的第二条罗口28上。
参见图3,每一个第二罗口28的基体或外部侧边29粘结在顶片5上,同时其自由侧边35和接近它的部分向尿布1的外部折叠。从其体或外部侧边29横向延伸至自由侧边35的第二条罗口28有一个区域是没有与顶片5粘结的,它形成第二条罗口28的一个纵向狭窄的部分。这个狭窄部分正常情况下是力图沿着箭头X所指示的方向竖立起来的,即在弹性件13的收缩作用下,离开顶片5的上表面而竖立起来。
参见图4,这个条件与尿布1用旧后出现的条件完全一样。具体地是这样,当弹性件13在自由侧边35的所述纵向相对末端之间收缩时,第二条罗口28离开顶片5的上表面,在其基体或外部侧边29上竖立起来起来结果,自由侧边35可能形成许多皱折41并贴紧使用者大腿胯部(没有示出)。竖立的第二条罗口28的作用就如阻止高流动性的排泄物诸如稀大便,排出的障碍物一样,当自由侧边35贴紧使用者的大腿胯部时,第二条罗口28,作为障碍物的有效性变得更可靠。当尿布1用旧以后,众所周知,在前区和后区的所述纵向相对末端17,18上以及第一条罗口12上形成许多皱折,这些皱折紧密地与使用者的腰部和大腿配合,这方面的问题这里将不再叙述。
参看图1至图4,折叠的第二条罗口28的自由侧边35向着尿布1的外部叠合,以保证第二条罗口28的密度比该罗口28没有叠合部分的情况要大。甚至当第二条罗口28的基体或外部侧边29放在吸湿芯子7的横向相对侧边11内部时,叠合第二条罗口28也可有效地避免该罗口28可能覆盖顶片5过大一部分面积的担扰。另外,即使当尿布1用旧后,第二条罗口28仍保持折叠状态,用于液全渗透的顶片5的面积也不会因此而减小,换言之,假如当第二条罗口28竖立起来,每一个第二条罗口28的宽度尺寸都可形成高的障碍物,这绝不会与顶片5的作用发生干涉。并且,假如在使用者胯部与尿布1之间形成大的间隙时,相当宽的第二条罗口28可以恰当地形成横跨这个大间隙的宽障碍物。
参见图5,在尿布1上放着一块中间带有纵向长圆形开口45,并且外形与尿布1完全一样的液体渗透或不渗透的覆盖层46,它部分地盖住第二条罗口28。覆盖层46至少沿着其外周边和开口45的周边边缘,用热熔粘结剂(没有示出)粘结在顶片5和第二条罗口28上。在所述胯区10内,开口45的宽度比相应的第二条罗口28的基体或外部侧边29之间的距离大些,这样,第二条罗口28可以在开口45内部竖立起来。用这种方法,还可以利用放在第二条罗口28上的覆盖层46,将基体或外部侧边29以及自由侧边35与顶片5粘结起来。
根据本实用新型,第二条罗口28可以用液体可渗透的或液体不可渗透的,或不透气的无纺织物或塑料薄膜制成,而其他组件可以用在这个技术领域里通常使用的相应材料制成。为了将不同组件粘结在一起,除了用众所周知的粘结剂或胶水之外,也可以用熟知的焊接方法。
虽然没有示出,但应当注意,根据本发明的一次性尿布可以做成妇女紧身裤形式或短裤形式,这时前区8和后区9的横向侧边是整体地彼此粘结的,不用系紧带25。
根据本实用新型的一次性尿布,在胯区的相应罗口的基本或外部侧边是在吸湿芯子横向相对侧边的内部粘结到顶片上的,并且其自由侧边向外折叠,因此可以大大减小相应罗口的基体或外部侧边之间的距离,以便抑止诸如松弛通道一类的高流动性排泄物的扩展,并从而限制可能被这些排泄物沾污的使用者皮肤面积。胯区的这些罗口在相应的弹性件的收缩作用下能够竖立起来,并且其宽度尺寸较大,不必担心这些罗口可能会覆盖顶片上过大的一部分面积和使得用于液体渗透的顶片有效面积减小。
除了由覆盖层的开口形成的区域之外,基体或外部侧边,以及和顶片粘结在一起的罗口的纵向相对末端均被覆盖层覆盖。这个特点不仅改善了尿布的外观,而且与尿布与使用者皮肤接触时,可使那些粘结部分的接触柔软化。

Claims (2)

1.一种一次性尿布,它包括一块液体可渗透的顶片,一块液体不可渗透的底片和夹在这两片之间一个吸湿芯子,这些组件装配在一起形成一个前区,一个后区和一个位于所述前区和后区之间的胯区,一次性尿布还包括一对纵向互相平行,跨过所述前区,后区和所述胯区的罗口,所述罗口中的每一个都有一个基体,一个平行于所述基体的弹性自由侧边和纵向相对末端,这些罗口沿着所述基体,并在所述纵向相对末端处与所述顶片粘结一起,这样,在所述胯区,所述自由侧边具有离开所述顶片而竖立起来的趋势,其特征为,所述罗口沿着所述基体或外部侧边,以及在所述纵向相对末端部位,靠近所述基体的地方,在吸湿芯子的横向相对侧边的内部,与所述顶片粘结在一起,这样罗口可以向着所述尿布的内部折叠,然后沿着所述自由侧边,向着所述尿布的外部叠合在折叠的罗口的没有叠合的部分上,同时所述自由侧边的纵向相对末端与所述没有叠合部分或顶片粘结在一起。
2.权利要求1的一次性尿布,其特征为,在所述顶片,包括在顶片上作出的所述一对罗口上,放着一块中间作有纵向长圆形开口,并且外形与所述尿布完全一样的覆盖层,覆盖层至少沿着其外部周边与所述顶片粘结在一起,其特征还在于,至少所述叠合的自由侧边暴露在所述开口中。
CN95205177U 1994-03-24 1995-03-22 一次性尿布 Expired - Lifetime CN2233237Y (zh)

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ES2190447T3 (es) 2003-08-01

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