CN105250079A - 婴儿用纸尿裤 - Google Patents

婴儿用纸尿裤 Download PDF

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CN105250079A
CN105250079A CN201510745183.4A CN201510745183A CN105250079A CN 105250079 A CN105250079 A CN 105250079A CN 201510745183 A CN201510745183 A CN 201510745183A CN 105250079 A CN105250079 A CN 105250079A
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ultrasonic bonding
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fixed
internal layer
outer housing
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CN105250079B (zh
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金利伟
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Hangzhou Coco Healthcare Products Co Ltd
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Hangzhou Coco Healthcare Products Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent 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
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent 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
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • A61F13/49009Form-fitting, self-adjusting disposable diapers with elastic means
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent 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
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • A61F13/49009Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49017Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being located at the crotch region
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent 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
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
    • A61F13/49446Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an impermeable sheet or impermeable part of a sheet placed on or under the top sheet
    • A61F13/49453Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an impermeable sheet or impermeable part of a sheet placed on or under the top sheet the edge leakage prevention sheet being combined with the impermeable backing sheet, e.g. integral with the backing sheet
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent 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
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent 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
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
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    • A61F2013/15552Air permeability
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577Apparatus or processes for manufacturing
    • A61F2013/15821Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
    • A61F2013/15861Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding
    • A61F2013/15878Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding by thermal bonding
    • A61F2013/15886Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding by thermal bonding by spot bonding
    • AHUMAN NECESSITIES
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    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent 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
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/494Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
    • A61F13/49413Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
    • A61F2013/4944Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier having multiple barriers

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Abstract

本发明涉及卫生用品领域。婴儿用纸尿裤,包括外罩、吸收体、防漏挡墙、腿部弹性橡筋和后连接腰带;防漏挡墙固定部分宽度方向上的内端与外罩通过超声波焊接固定,防漏挡墙宽度方向上的内侧端向下翻折形成包裹防漏橡筋的重叠层,重叠层通过超声波焊接固定,在前腰区的第一超声波焊接区与第二超声波焊接区之间形成沿长度方向贯通的前通气道,在后腰区的第一超声波焊接区与第二超声波焊接区之间形成沿长度方向贯通的后通气道。该婴儿用纸尿裤的优点是生产成本低、使用舒适性好,沿外罩长度方向的通气性好。

Description

婴儿用纸尿裤
技术领域
本发明涉及卫生用品领域,尤其是婴儿用纸尿裤。
背景技术
目前是市场上的婴儿用纸尿裤结构主要包括外罩、吸收体、防漏挡墙、腿部弹性橡筋和后连接腰带,外罩包括非透水性外层和透水性内层,吸收体处于非透水性外层和透水性内层之间沿吸收体的边缘通过胶水粘接固定,防漏挡墙、腿部弹性橡筋和后连接腰带都是通过胶水粘结固定在外罩上,后连接腰带上设有魔术扣,使用时后连接腰带合围将纸尿裤穿在身上。如图1所示,防漏挡墙由内至外分为活动部分b和固定部分a,固定部分a与非透水性外层固定,活动部分b的内侧部上设有防漏橡筋,活动部分b长度方向的中部与透水性内层分离不固定,活动部分长度方向的前后部区域b1通过胶水与非透水性外层固定,使得尿液不会从活动部分长度方向的前后部区域b1向外渗漏。现有婴儿用纸尿裤存在的不足是:1.纸尿裤使用时,沿长度方向只有如图1所示的两片防漏挡墙之间的c处可以通气,由于活动部分b中间活动两端固定的结构,纸尿裤沿长度方向的通气道是由下往上变窄的,因此存在长度方向通气性不佳的问题;2.后连接腰带、防漏挡墙都是通过胶水粘接在外罩上,为了保证连接的牢固度用胶量很大,胶水使用过多不能不仅增加了生产成本,而且增加了重量影响使用的舒适性;3.在外罩长度方向的前后端部上,非透水性外层和透水性内层通过胶水粘接,在实际的流水线生产过程中,非透水性外层和透水性内层通过胶水粘接工序后很快就进入了切断的工序,即在非透水性外层和透水性内层切断的时候非透水性外层和透水性内层之间的胶水还没有完全的冷却实现两者的固定,因此大多数纸尿裤存在前后端部的非透水性外层和透水性内层之间局部分离的情况,虽然不影响使用,但是分离的非透水性外层和透水性内层相当于纸尿裤的前后端部处开了口子,可能会刮到婴儿的皮肤,影响使用的舒适性;4.尿液容易先后渗漏。
发明内容
针对现有婴儿用纸尿裤存在的不足,本发明的目的提供一种长度方向通气性好,生产成本低、使用舒适性好的婴儿用纸尿裤。
为了实现上述发明目的,本发明采用下述的技术方案:
婴儿用纸尿裤,包括外罩、吸收体、防漏挡墙、腿部弹性橡筋和后连接腰带;外罩展开呈长方形,外罩长度方向上分为连为一体的前腰区、胯部区和后腰区,外罩厚度方向上包括非透水性外层和透水性内层,吸收体处于非透水性外层和透水性内层之间,厚度方向上,透水性内层处于非透水性外层是的上方,非透水性外层和透水性内层通过胶水粘接固定;防漏挡墙、腿部弹性橡筋和后连接腰带均固定在外罩上,后连接腰带连接在外罩长度方向的后部上,后连接腰带上设有魔术扣;宽度方向上,防漏挡墙由内至外分为活动部分和固定部分,固定部分与非透水性外层固定,活动部分的内侧部上设有防漏橡筋,活动部分长度方向的中部与透水性内层分离不固定;厚度方向上,腿部弹性橡筋固定在固定部分与非透水性外层之间;非透水性外层底面长度方向的前部上前腰贴;防漏挡墙固定部分宽度方向上的内端与外罩通过超声波焊接固定,焊接线沿长度方向规则排列呈第一超声波焊接区,第一超声波焊接区外侧的防漏挡墙与外罩通过胶水粘接;防漏挡墙宽度方向上的内侧端向下翻折形成包裹防漏橡筋的重叠层,重叠层通过超声波焊接固定,重叠层处的焊接线沿长度方向排列呈第二超声波焊接区,在前腰区的第一超声波焊接区与第二超声波焊接区之间形成沿长度方向贯通的前通气道,在后腰区的第一超声波焊接区与第二超声波焊接区之间形成沿长度方向贯通的后通气道,且在前腰区和后腰区的第二超声波焊接区宽度大于胯部区的第二超声波焊接区宽度,厚度方向上,前通气道和后通气道均处于防漏挡墙与透水性内层之间;在外罩的胯部区,吸收体的外侧端与第一超声波焊接区之间的宽度是15mm-50mm之间,吸收体的外侧端与第一超声波焊接区之间的非透水性外层和透水性内层通过胶水粘接固定;前通气道由前向后依次分为第一前向通气区和第二前向通气区,第一前向通气区宽度方向上隔断分为并列的多个,每个单独的第一前向通气区宽度均小于第二前向通气区宽度;后通气道由后向前依次分为第一后向通气区和第二后向通气区,第一后向通气区宽度方向上隔断分为并列的多个,每个单独的第一后向通气区宽度均小于第二后向通气区宽度;外罩长度方向的前后端部上,非透水性外层和透水性内层之间通过超声波焊接固定;宽度方向上,前腰贴的左右外侧上均设有前连接腰带,前连接腰带宽度方向的内侧部固定在防漏挡墙的固定部分与非透水性外层之间,且前连接腰带宽度方向上处于第一超声波焊接区的外侧,前连接腰带的底面可与魔术扣粘接;后连接腰带通过超声波焊接在防漏挡墙的固定部分与非透水性外层之间,后连接腰带宽度上处于第一超声波焊接区的外侧,魔术扣固定在后连接腰带宽度方向的外侧端上,后连接腰带是宽度方向可以伸缩的弹性片;后腰区的外罩上设有后弹性腰围,厚度方向上,后弹性腰围固定在非透水性外层和透水性内层之间。
作为优选,厚度方向上,非透水性外层由上方的拒水底膜和下方的底层无纺布复合构成;透水性内层是亲水无纺布;厚度方向上,吸收体与亲水无纺布之间设有导流层。
作为优选,第一前向通气区和第一后向通气区上,非透水性外层、透水性内层和防漏挡墙在厚度方向上通过超声波焊接固定,超声波焊接线将第一前向通气区和第一后向通气区隔断分为并列的多个。
采用了上述技术方案的婴儿用纸尿裤,具有以下的优点:1.防漏挡墙固定部分的内端与外罩通过超声波焊接固定,防漏挡墙内侧端向下翻折形成包裹防漏橡筋的重叠层,重叠层通过超声波焊接固定,外罩长度方向的前后端部上,非透水性外层和透水性内层之间通过超声波焊接固定,后连接腰带通过超声波焊接在非透水性外层的底面上,连接部与后连接腰带通过超声波焊接固定,大多数部件都采用超声波焊接的工艺,不仅连接更加牢固,而且降低了胶水的使用量和产品的重量,降低了生产的成本,提高了使用的舒适性;2.在前腰区的第一超声波焊接区与第二超声波焊接区之间形成沿长度方向贯通的前通气道,在后腰区的第一超声波焊接区与第二超声波焊接区之间形成沿长度方向贯通的后通气道,且在前腰区和后腰区的第二超声波焊接区宽度大于胯部区的第二超声波焊接区宽度,厚度方向上,前通气道和后通气道均处于防漏挡墙与透水性内层之间,前通气道和后通气道增加了纸尿裤长度方向的透气性,配合对应的将吸收体与外侧端与第一超声波焊接区之间的宽度是15mm-50mm之间,吸收体的外侧端与第一超声波焊接区之间的非透水性外层和透水性内层通过胶水粘接固定,排除了尿液通过通气道向前后方向漏出的可能;每个单独的第一前向通气区宽度均小于第二前向通气区宽度,每个单独的第一后向通气区宽度均小于第二后向通气区宽度,由于第一前向通气区和第一后向通气区外端都处于纸尿裤长度方向的端部,如果宽度大容易在外罩与防漏挡墙之间容易形成开口,使用时会刮到婴儿的皮肤,第一前向通气区和第一后向通气区宽度方向上隔断分为并列的多个就是为了外罩与防漏挡墙之间能够通气的情况下尽可能的避免形成大的开口;外罩长度方向的前后端部上,非透水性外层和透水性内层之间通过超声波焊接固定,解决了非透水性外层和透水性内层之间因为外罩切断工艺产生的局部分离情况,避免了分离的非透水性外层和透水性内层在纸尿裤的前后端部处开口,提高了使用的舒适性;4.后弹性腰围有效的解决了尿液容易先后渗漏的问题。综上所述,该婴儿用纸尿裤的优点是生产成本低、使用舒适性好,沿外罩长度方向的通气性好。
附图说明
图1:背景技术中现有婴儿用纸尿裤的结构示意图;
图2:本发明的婴儿用纸尿裤正面结构示意图;
图3:本发明的婴儿用纸尿裤背面结构示意图。
具体实施方式
下面结合图2和图3对本专利做进一步的解释。
如图2、图3所述的婴儿用纸尿裤,主要包括外罩1、吸收体2、防漏挡墙3、腿部弹性橡筋4和后连接腰带5。
外罩1展开呈长方形,外罩1长度方向上分为连为一体的前腰区1a、胯部区1b和后腰区1c,使用时,婴儿用纸尿裤的前腰区1a对应婴儿的前腰部,胯部区1b对应婴儿的胯部,后腰区1c对应婴儿的后腰部。外罩1厚度方向上包括非透水性外层12和透水性内层11,吸收体2处于非透水性外层12和透水性内层11之间,厚度方向上,透水性内层11处于非透水性外层12是的上方,非透水性外层12和透水性内层11通过胶水粘接固定。
防漏挡墙3、腿部弹性橡筋4和后连接腰带5均固定在外罩1上。宽度方向上,防漏挡墙3由内至外分为活动部分31和固定部分32,固定部分32与非透水性外层12固定,活动部分31的内侧部上设有防漏橡筋7,活动部分31长度方向的中部与透水性内层11分离不固定。防漏挡墙3固定部分32宽度方向上的内端与外罩1通过超声波焊接固定,防漏挡墙3固定部分32的超声波焊接线沿长度方向规则排列呈第一超声波焊接区34,第一超声波焊接区34外侧的防漏挡墙3与外罩1具体是非透水性外层12通过胶水粘接。
防漏挡墙3宽度方向上的内侧端向下翻折形成包裹防漏橡筋的重叠层33,重叠层33通过超声波焊接固定,重叠层33处的超声波焊接线沿长度方向排列呈第二超声波焊接区35。在前腰区1a的第一超声波焊接区34与第二超声波焊接区35之间形成沿长度方向贯通的前通气道8,在后腰区1c的第一超声波焊接区35与第二超声波焊接区35之间形成沿长度方向贯通的后通气道9,且在前腰区1a和后腰区1c的第二超声波焊接区35宽度大于胯部区1b的第二超声波焊接区35宽度,其主要目的是加大前腰区1a和后腰区1c的第二超声波焊接区35的面积,使得防漏挡墙3活动部分31的前后端部固定更加牢固。厚度方向上,前通气道8和后通气道9均处于防漏挡墙3与透水性内层11之间。在外罩1的胯部区1b,吸收体2的外侧端与第一超声波焊接区34之间的宽度是15mm-50mm之间,吸收体2的外侧端与第一超声波焊接区34之间的非透水性外层12和透水性内层11通过胶水粘接固定。前通气道8由前向后依次分为第一前向通气区81和第二前向通气区82,第一前向通气区81宽度方向上隔断分为并列的多个,每个单独的第一前向通气区81宽度均小于第二前向通气区82宽度。后通气道9由后向前依次分为第一后向通气区91和第二后向通气区92,第一后向通气区91宽度方向上隔断分为并列的多个,每个单独的第一后向通气区91宽度均小于第二后向通气区宽度。
第一前向通气区81和第一后向通气区91上,非透水性外层12、透水性内层11和防漏挡墙3的活动部分31通过超声波在厚度方向焊接固定,焊接线13将第一前向通气区81和第一后向通气区91隔断分为并列的多个。外罩1长度方向的前后端部上,非透水性外层12和透水性内层11之间通过超声波焊接固定,并且这道焊接工序与将第一前向通气区81和第一后向通气区91隔断分为并列的多个的焊接属于同一工序,即一道工序完成,节约了生产的成本。
厚度方向上,腿部弹性橡筋4固定在固定部分32与非透水性外层12之间。非透水性外层12底面长度方向的前部上前腰贴60。后连接腰带5连接在外罩1长度方向的后部上,魔术扣6固定在后连接腰带5宽度方向的外侧端上。后连接腰带5是宽度方向可以伸缩的弹性片,使用更加的方便。后连接腰带5通过超声波焊接在防漏挡墙的固定部分32与非透水性外层12之间,后连接腰带5宽度上处于第一超声波焊接区34的外侧,防止侧漏。
宽度方向上,前腰贴60的左右外侧上均设有前连接腰带63,前连接腰带63宽度方向的内侧部固定在防漏挡墙3的固定部分32与非透水性外层12之间,且前连接腰带63宽度方向上处于第一超声波焊接区34的外侧,前连接腰带63对于连接牢固度的要求不是特别高,如果位置处于第一超声波焊接区34的内侧会增加焊接的难度和成本,前连接腰带63的底面可与魔术扣粘接。前连接腰带63采用柔软的材质,前连接腰带63的一个作用是当魔术扣6与前腰贴60合围后,防止硬质的后连接腰带5或魔术扣6直接接触婴儿的皮肤,起到保护的作用,另一个是当婴儿正好使用跨码纸尿裤时起到临时放大腰围的作用,例如婴儿使用S号纸尿裤腰围已经偏小,但是S号纸尿裤还没有用完,就可以将魔术扣6搭接在前连接腰带63上进行临时腰围的放大。
后腰区1c的外罩1上设有后弹性腰围14,厚度方向上,后弹性腰围14固定在非透水性外层12和透水性内层11之间,长度方向上后弹性腰围14处于后腰区1c的焊接线13的内侧,后弹性腰围14有效的解决了尿液容易先后渗漏的问题。
厚度方向上,非透水性外层12由上方的拒水底膜和下方的底层无纺布复合构成,透水性内层是亲水无纺布。厚度方向上,吸收体2与亲水无纺布之间设有导流层。

Claims (3)

1.婴儿用纸尿裤,包括外罩、吸收体、防漏挡墙、腿部弹性橡筋和后连接腰带;外罩展开呈长方形,外罩长度方向上分为连为一体的前腰区、胯部区和后腰区,外罩厚度方向上包括非透水性外层和透水性内层,吸收体处于非透水性外层和透水性内层之间,厚度方向上,透水性内层处于非透水性外层是的上方,非透水性外层和透水性内层通过胶水粘接固定;防漏挡墙、腿部弹性橡筋和后连接腰带均固定在外罩上,后连接腰带连接在外罩长度方向的后部上,后连接腰带上设有魔术扣;宽度方向上,防漏挡墙由内至外分为活动部分和固定部分,固定部分与非透水性外层固定,活动部分的内侧部上设有防漏橡筋,活动部分长度方向的中部与透水性内层分离不固定;厚度方向上,腿部弹性橡筋固定在固定部分与非透水性外层之间;非透水性外层底面长度方向的前部上前腰贴;其特征在于:防漏挡墙固定部分宽度方向上的内端与外罩通过超声波焊接固定,焊接线沿长度方向规则排列呈第一超声波焊接区,第一超声波焊接区外侧的防漏挡墙与外罩通过胶水粘接;防漏挡墙宽度方向上的内侧端向下翻折形成包裹防漏橡筋的重叠层,重叠层通过超声波焊接固定,重叠层处的焊接线沿长度方向排列呈第二超声波焊接区,在前腰区的第一超声波焊接区与第二超声波焊接区之间形成沿长度方向贯通的前通气道,在后腰区的第一超声波焊接区与第二超声波焊接区之间形成沿长度方向贯通的后通气道,且在前腰区和后腰区的第二超声波焊接区宽度大于胯部区的第二超声波焊接区宽度,厚度方向上,前通气道和后通气道均处于防漏挡墙与透水性内层之间;在外罩的胯部区,吸收体的外侧端与第一超声波焊接区之间的宽度是15mm-50mm之间,吸收体的外侧端与第一超声波焊接区之间的非透水性外层和透水性内层通过胶水粘接固定;前通气道由前向后依次分为第一前向通气区和第二前向通气区,第一前向通气区宽度方向上隔断分为并列的多个,每个单独的第一前向通气区宽度均小于第二前向通气区宽度;后通气道由后向前依次分为第一后向通气区和第二后向通气区,第一后向通气区宽度方向上隔断分为并列的多个,每个单独的第一后向通气区宽度均小于第二后向通气区宽度;外罩长度方向的前后端部上,非透水性外层和透水性内层之间通过超声波焊接固定;宽度方向上,前腰贴的左右外侧上均设有前连接腰带,前连接腰带宽度方向的内侧部固定在防漏挡墙的固定部分与非透水性外层之间,且前连接腰带宽度方向上处于第一超声波焊接区的外侧,前连接腰带的底面可与魔术扣粘接;后连接腰带通过超声波焊接在防漏挡墙的固定部分与非透水性外层之间,后连接腰带宽度上处于第一超声波焊接区的外侧,魔术扣固定在后连接腰带宽度方向的外侧端上,后连接腰带是宽度方向可以伸缩的弹性片;后腰区的外罩上设有后弹性腰围,厚度方向上,后弹性腰围固定在非透水性外层和透水性内层之间。
2.根据权利要求1所述的婴儿用纸尿裤,其特征在于厚度方向上,非透水性外层由上方的拒水底膜和下方的底层无纺布复合构成;透水性内层是亲水无纺布;厚度方向上,吸收体与亲水无纺布之间设有导流层。
3.根据权利要求1所述的婴儿用纸尿裤,其特征在于第一前向通气区和第一后向通气区上,非透水性外层、透水性内层和防漏挡墙在厚度方向上通过超声波焊接固定,超声波焊接线将第一前向通气区和第一后向通气区隔断分为并列的多个。
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