CN116211596A - 一种符合人体工学的三角裤式卫生巾的制备方法 - Google Patents

一种符合人体工学的三角裤式卫生巾的制备方法 Download PDF

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CN116211596A
CN116211596A CN202310179619.2A CN202310179619A CN116211596A CN 116211596 A CN116211596 A CN 116211596A CN 202310179619 A CN202310179619 A CN 202310179619A CN 116211596 A CN116211596 A CN 116211596A
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piece
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leg
garment
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戴灵
黄翠玉
黄森森
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Hengan Fujian Holding Group Co Ltd
Fujian Hengan Household Life Article Co Ltd
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Hengan Fujian Holding Group Co Ltd
Fujian Hengan Household Life Article Co Ltd
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Abstract

本发明涉及卫生用品领域，提供一种符合人体工学的三角裤式卫生巾的制备方法，解决现有技术的卫生巾由于结构设计的缺陷容易出现“卡腿”、包裹性能不佳，包括吸收体和设置在吸收体外的外衣物层，定义吸收体具有沿着长度方向的纵向和沿着宽度方向的横向，以裆部最窄线为分界线将所述外衣物层分为前片和后片，所述后片的横向宽度大于所述前片的横向宽度，所述前片和后片横向两侧固定焊接形成左封合线和右封合线，所述左封合线和右封合线与人体髋骨最前端凸点的横向距离为5－50mm，所述后片的纵向长度大于前片的纵向长度。

Description

一种符合人体工学的三角裤式卫生巾的制备方法
本申请针对专利申请号为：2022109620837，申请日为：2022.08.11，专利名称为：一种符合人体工学的三角裤式卫生巾及其制备方法的分案申请。
技术领域
本发明涉及卫生用品领域，尤其涉及一种符合人体工学的三角裤式卫生巾的制备方法。
背景技术
经期裤式卫生巾一般由吸收体层和外衣物层组成，所述吸收体层包括由上至下依次叠层设置的透液性面层、吸收芯和不透液性底层。外衣物层包括由外到内依次叠层设置的外衣物外层、氨纶丝弹性材料层、外衣物内层。将以外衣物层最窄处(O型圈最窄处)为界限外衣物层分为前片和后片，前片和后片都有对应的左端和右端。
人体在活动(行走，下蹲，抬腿等动作)时候，由于腿部是向前和向上的动作，基本对裤子产生的都是往前往上的拉力，所以为适应人体工学，内裤和经期三角裤的设计应遵循“前片应修尽修不卡腿，后片能包多包有弹力”的原则，设计前片能覆盖三角区但不超过三角区抬腿线以至于影响抬腿行走等日常动作，后片能尽量包臀至屁股微笑线以减少吸收体位移和侧漏后漏问题。
参考图1，现有的裤式卫生巾的前片和后片宽度相同，当前片与后片封合完成后穿着时，该封合线1’在人体左右两端偏后的位置，人在活动的时候前片被拉到偏后的位置会限制行动，俗称“卡腿”，后片由于无法向前包裹拉力不足，整体包裹性能不佳。
发明内容
因此，针对上述的问题，本发明提供一种符合人体工学的三角裤式卫生巾的制备方法，解决现有技术的卫生巾由于结构设计的缺陷容易出现“卡腿”、包裹性能不佳。
为实现上述目的，本发明采用了以下技术方案：一种符合人体工学的三角裤式卫生巾，包括吸收体和设置在吸收体外的外衣物层，定义吸收体具有沿着长度方向的纵向和沿着宽度方向的横向，以裆部最窄线为分界线将所述外衣物层分为前片和后片，所述后片的横向宽度大于所述前片的横向宽度，所述前片和后片横向两侧固定焊接形成左封合线和右封合线，所述左封合线和右封合线与人体髋骨最前端凸点的横向距离为5－50mm，所述后片的纵向长度大于前片的纵向长度，所述外衣物层具有设置在左右两腿围处的腿围弹性材料层，所述腿围弹性材料层宽度≥3mm。
进一步的：所述吸收体中添加有长纤维，所述长纤维为棉纤维或绒毛浆纤维或黏胶纤维或ES纤维。
进一步的：穿戴时所述后片包裹人体的角度大于195°。
进一步的：所述后片的纵向尺寸比前片的纵向尺寸大10％以上。
进一步的：所述吸收体由绒毛浆、高分子吸水树脂、长纤维混合组成。
进一步的：所述绒毛浆：高分子吸水树脂：长纤维的重量比＝10：1－3：0.5－2。
进一步的：所述外层无纺布设有图案印刷层。
进一步的：所述腿围弹性材料层由两组弹性材料组成分别为第一组弹性材料，第二组弹性材料，所述第一组弹性材料从前片的左上区域延伸至左中区域再至右中区域最后延伸至右上区域，所述第二组弹性材料从后片的左下区域延伸至左中区域再至右中区域最后延伸至右下区域；或，所述第一组弹性材料沿前片的左上区域延伸至左中区域再延伸至右中区域最后延伸至后片的右下区域，所述第二组弹性材料从前片的右上区域延伸至右中区域再延伸至左中区域最后延伸至后片的左下区域；或，所述第一组弹性材料沿前片的左上区域延伸至左中区域再延伸至后片的左中区域最后延伸至后片的左下区域，所述第二组弹性材料层从前片的右上区域延伸至右中区域再延伸至后片的右中区域最后延伸至后片的右下区域；
所述腿围弹性材料层为弹性氨纶丝、弹性无纺布、弹性膜中的任意一种或两种以上的任意组合；
一种符合人体工学的三角裤式卫生巾的制备方法，包括以下制备步骤：(1)外衣物层的制备
s1、外层无纺布在线传输，在线复合弹性氨纶丝、腿围弹性材料层，再复合内层无纺布，获得复合为一体的外衣物层；腿围弹性材料层通过挡板控制传输方向，使腿围弹性材料层呈特定形状分布在外层无纺布和内层无纺布之间；
s2、分切出单个外衣物层：沿纵向分切，获得单个的外衣物层；单个外衣物层具有腿围O型圈、较窄的前片和较宽的后片；
(2)吸收体的制备
a、长纤维整理：长纤维经开包机开包、粗开松机粗开松、精开松机梳理至单根纤维状态、经定量风机送入木浆粉碎机出口进行与绒毛浆及SAP混合；
b、绒毛浆、高分子吸水性树脂、长纤维混合，送入模轮成型；
c、附上包裹层，得到吸收芯层；
d、在线复合透液性面层和不透液性底层，获得吸收体；分切，获得单个的吸收体；
(3)单个的吸收体在线传输，翻转90°后，传输复合至步骤s2处理后的外衣物层上；
(4)复合后的外衣物层和吸收体层进入Ω折叠和输送装置，使后片左右两侧较前片宽的部位在输送过程中被Ω折叠，经过折叠后后片的横向宽度与前片的一致；或进入速度比消除和输送装置，通过设置前片和后片输送的速度差来消除前后片左右宽度的不一致，使前后片在左右位置上对齐；
前片输送速度/后片输送速度＝后片宽度/前片宽度；
(5)定义外衣物层具有Z字形折叠线，Z字形折叠线与裆部最窄线重合或非常靠近裆部最窄线，沿着Z字形折叠线将外衣物层后片一部分容量空间预折叠在后片里面；
(6)将后片180°翻折，与前片在前后位置上对齐复合，横向两侧焊接固定，即获得符合人体工学的三角裤式卫生巾。
进一步的：所述腿围弹性材料层形状为U字形或X型或左右两个半O型。
进一步的：步骤(4)后片的折叠方式为Z字形折叠。
通过采用前述技术方案，本发明的有益效果为：
1、本发明的后片横向宽度大于前片的横向宽度，所述前片和后片横向两侧固定焊接形成左封合线和右封合线，所述左封合线和右封合线与人体髋骨最前端凸点的横向距离为5－50mm，封合线不在人体左右两侧，侧躺使用时不会磕到人体侧腰边，不会有异物感，使用更舒适；
2、所述后片的纵向长度大于前片的纵向长度，由于人体后面屁股厚度明显大于前面三角区的厚度，裤式卫生巾后片长度大于前片，能够使其后片具有更多的容纳空间。
3、吸收体中添加有长纤维，能够增加吸收体的吸液扩散速度和扩散长度，同时减小吸收体断层的风险。
4、传统的裤式卫生巾，前片与后片宽度相等时，以人体腰围一圈360°计算，穿着时后片对人体的包裹角度小于180°，本发明的卫生巾，穿着时后片对人体的包裹角度≥195°。
5、后片宽度增加使穿着时后片延伸至人体前端的设计+腿部弹性材料层的设计，使该裤式卫生巾在自然放置时，后片会自然收紧提起并部分地离开水平面，真实模拟了人体体型，使人穿着更舒适，对腿围和屁股的包裹性更好，同时增加防漏效果
6、进一步的：腰围区为前片和后片顶端经过两次翻折固定而成，使腰围区域更厚更有弹性，稳定性也较强。
7、进一步的，还包括设置在左右两腿围处的腿围弹性材料层，所述腿围弹性材料层由两组弹性材料组成分别为第一组弹性材料，第二组弹性材料，所述第一组弹性材料从前片的左上区域延伸至左中区域再至右中区域最后延伸至右上区域，所述第二组弹性材料从后片的左下区域延伸至左中区域再至右中区域最后延伸至右下区域；或，所述第一组弹性材料沿前片的左上区域延伸至左中区域再延伸至右中区域最后延伸至后片的右下区域，所述第二组弹性材料从前片的右上区域延伸至右中区域再延伸至左中区域最后延伸至后片的左下区域；或，所述第一组弹性材料沿前片的左上区域延伸至左中区域再延伸至后片的左中区域最后延伸至后片的左下区域，所述第二组弹性材料层从前片的右上区域延伸至右中区域再延伸至后片的右中区域最后延伸至后片的右下区域，采用上述三种结构设计，能够将后片收紧提起，使本发明的三角裤式卫生巾自然放置后自然立起，而且穿着时腿围包裹性更好，具有更好的防漏效果。
附图说明
图1是本发明背景技术中的产品正视图；
图2为本发明实施例一产品的正视图；
图3为本发明实施例一产品的展开结构示意图；
图4为本发明实施例二产品的展开结构示意图；
图5为本发明实施例三产品的展开结构示意图；
图6为本发明实施例一中后片Z字形折叠示意图；
图7为本发明实施例一中前片与后片折叠后连接结构示意图；
图8为本发明实施例一中前片和后片的Ω折叠和输送示意图；
图9为本发明实施例一中产品的立体结构示意图；
图10为本发明实施例一中生产流程示意图。
具体实施方式
本发明实施例为：
参考图2、图3、图6、图7、图8、图9及图10，一种符合人体工学的中码三角裤式卫生巾，包括吸收体1和设置在吸收体外的外衣物层，定义吸收体1具有沿着长度方向的纵向和沿着宽度方向的横向，以裆部最窄线c为分界线将所述外衣物层分为前片a和后片b，所述后片b的横向宽度大于所述前片a的横向宽度，所述前片a和后片b横向两侧固定焊接形成左封合线2和右封合线3，所述左封合线和右封合线与人体髋骨最前端凸点的横向距离为25mm，所述后片b的纵向长度比前片a的纵向长度长10％，所述吸收体1中添加有长纤维，所述长纤维为ES纤维，具体的，所述吸收体无纺布包裹吸收芯组成，所述吸收芯由绒毛浆、高分子吸水树脂、长纤维按重量比＝10：1：1.5的比例混合组成，前片和后片的外层无纺布上均印刷有图案层，图案印刷层用于发挥产品在线定位；
还包括设置在左右两腿围处的腿围弹性材料层，所述腿围弹性材料层4由两组弹性材料组成，分别为第一组弹性材料41，第二组弹性材料42，所述第一组弹性材料41沿前片的左上区域延伸至左中区域再延伸至后片的左中区域最后延伸至后片的左下区域，所述第二组弹性材料42从前片的右上区域延伸至右中区域再延伸至后片的右中区域最后延伸至后片的右下区域。
具体的，该经期卫生巾展开后，左右腰围的长度为625，吸收体长度630mm，吸收芯长度475mm。腰围2次翻折，折叠后重叠腰围宽度20mm。腰围弹性氨纶丝材料拉伸比2.5；腰围弹性无纺布拉伸比为2.0；穿着时，侧边封合处距离髋骨最前端凸点约20mm。
上述一种符合人体工学的三角裤式卫生巾的制备方法，包括以下制备步骤：
(1)外衣物层的制备
s1、外层无纺布在线传输，在线复合弹性氨纶丝、腿围弹性材料层，再复合内层无纺布，获得复合为一体的外衣物层；腿围弹性材料层通过挡板控制传输方向，使腿围弹性材料层呈特定形状分布在外层无纺布和内层无纺布之间；
s2、分切出单个外衣物层：沿纵向分切，获得单个的外衣物层；单个外衣物层具有腿围O型圈、较窄的前片和较宽的后片；
(2)吸收体的制备
a、长纤维整理：长纤维经开包机开包、粗开松机粗开松、精开松机梳理至单根纤维状态、经定量风机送入木浆粉碎机出口进行与绒毛浆及SAP混合；
b、绒毛浆、高分子吸水性树脂、长纤维混合，送入模轮成型；
c、附上包裹层，得到吸收芯层；
d、在线复合透液性面层和不透液性底层，获得吸收体；分切，获得单个的吸收体；
(3)单个的吸收体在线传输，翻转90°后，传输复合至步骤s2处理后的外衣物层上；
(4)复合后的外衣物层和吸收体层进入Ω折叠和输送装置，使后片左右两侧较前片宽的部位在输送过程中被Ω折叠，经过折叠后后片的横向宽度与前片的一致；
(5)定义外衣物层具有Z字形折叠线，Z字形折叠线与裆部最窄线重合或非常靠近裆部最窄线，沿着Z字形折叠线将外衣物层后片一部分容量空间预折叠在后片里面；
(6)将后片180°翻折，与前片在前后位置上对齐复合，横向两侧焊接固定，即获得符合人体工学的三角裤式卫生巾。
上述腿围弹性材料层形状为左右对称的C型结构，即腿围弹性材料层4由两组弹性材料组成，分别为第一组弹性材料41，第二组弹性材料42，所述第一组弹性材料41沿前片的左上区域延伸至左中区域再延伸至后片的左中区域最后延伸至后片的左下区域，所述第二组弹性材料42从前片的右上区域延伸至右中区域再延伸至后片的右中区域最后延伸至后片的右下区域。
实施例二
参考图4及实施例一，与实施例一相比，不同之处在于：本实施例的设置在左右两腿围处的腿围弹性材料层，由第一组弹性材料41’和第二组弹性材料42’组成，所述第一组弹性材料41’沿前片的左上区域延伸至左中区域再延伸至右中区域最后延伸至后片的右下区域，所述第二组弹性材料42’从前片的右上区域延伸至右中区域再延伸至左中区域最后延伸至后片的左下区域。
本实施例中，步骤(4)复合后的外衣物层和吸收体进入速度比消除和输送装置，通过设置前片和后片输送的速度差来消除前后片左右宽度的不一致，使前后片在左右位置上对齐；速度比公式为：前片输送速度/后片输送速度＝后片宽度/前片宽度；用此方式替代实施例一的Ω折叠，实现同样的目的。
实施例三
参考图5及实施例一，与实施例一相比，不同之处在于：本实施例的设置在左右两腿围处的腿围弹性材料层，由第一组弹性材料41a和第二组弹性材料42b组成，所述第一组弹性材料41a从前片的左上区域延伸至左中区域再至右中区域最后延伸至右上区域，所述第二组弹性材料42b从后片的左下区域延伸至左中区域再至右中区域最后延伸至右下区域。
尽管结合优选实施方案具体展示和介绍了本发明，但所属领域的技术人员应该明白，在不脱离所附权利要求书所限定的本发明的精神和范围内，在形式上和细节上可以对本发明做出各种变化，均为本发明的保护范围。

Claims (3)

1.一种符合人体工学的三角裤式卫生巾的制备方法，其特征在于，包括以下制备步骤：(1)外衣物层的制备
s1、外层无纺布在线传输，在线复合弹性氨纶丝、腿围弹性材料层，再复合内层无纺布，获得复合为一体的外衣物层；腿围弹性材料层通过挡板控制传输方向，使腿围弹性材料层呈特定形状分布在外层无纺布和内层无纺布之间；
s2、分切出单个外衣物层：沿纵向分切，获得单个的外衣物层；单个外衣物层具有腿围O型圈、较窄的前片和较宽的后片；
(2)吸收体的制备
a、长纤维整理：长纤维经开包机开包、粗开松机粗开松、精开松机梳理至单根纤维状态、经定量风机送入木浆粉碎机出口进行与绒毛浆及SAP混合；
b、绒毛浆、高分子吸水性树脂、长纤维混合，送入模轮成型；
c、附上包裹层，得到吸收芯层；
d、在线复合透液性面层和不透液性底层，获得吸收体；分切，获得单个的吸收体；
(3)单个的吸收体在线传输，翻转90°后，传输复合至步骤s2处理后的外衣物层上；
(4)复合后的外衣物层和吸收体层进入Ω折叠和输送装置，使后片左右两侧较前片宽的部位在输送过程中被Ω折叠，经过折叠后后片的横向宽度与前片的一致；或进入速度比消除和输送装置，通过设置前片和后片输送的速度差来消除前后片左右宽度的不一致，使前后片在左右位置上对齐；
前片输送速度/后片输送速度＝后片宽度/前片宽度；
(5)定义外衣物层具有Z字形折叠线，Z字形折叠线与裆部最窄线重合或非常靠近裆部最窄线，沿着Z字形折叠线将外衣物层后片一部分容量空间预折叠在后片里面；
(6)将后片180°翻折，与前片在前后位置上对齐复合，横向两侧焊接固定，即获得符合人体工学的三角裤式卫生巾。
2.根据权利要求1所述的一种符合人体工学的三角裤式卫生巾的制备方法，其特征在于：所述腿围弹性材料层形状为U字形或X型或左右两个半O型。
3.根据权利要求1所述的一种符合人体工学的三角裤式卫生巾的制备方法，其特征在于：步骤(4)后片的折叠方式为Z字形折叠。
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