CN112494215A - 360-degree leakage-proof disposable absorption article and forming process thereof - Google Patents
360-degree leakage-proof disposable absorption article and forming process thereof Download PDFInfo
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- CN112494215A CN112494215A CN202011487702.9A CN202011487702A CN112494215A CN 112494215 A CN112494215 A CN 112494215A CN 202011487702 A CN202011487702 A CN 202011487702A CN 112494215 A CN112494215 A CN 112494215A
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000010410 layer Substances 0.000 claims abstract description 143
- 230000002745 absorbent Effects 0.000 claims abstract description 26
- 239000002250 absorbent Substances 0.000 claims abstract description 26
- 239000002344 surface layer Substances 0.000 claims abstract description 24
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000013329 compounding Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 239000000109 continuous material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 3
- 239000004745 nonwoven fabric Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 210000001124 body fluid Anatomy 0.000 description 6
- 239000010839 body fluid Substances 0.000 description 6
- 238000010030 laminating Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 210000002469 basement membrane Anatomy 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 206010043417 Therapeutic response unexpected Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 230000005660 hydrophilic surface Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Classifications
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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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
- A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
- A61F13/4756—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
-
- 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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
- A61F13/4758—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a longitudinal direction
-
- 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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
- A61F13/494—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 specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means
- A61F13/49406—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 specially adapted to be worn around the waist, e.g. diapers, nappies characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
本发明涉及一次性卫生用品领域，尤其涉及一种360度防漏一次性吸收用品，包括本体，所述本体由下至上依次包括不透液底层、吸收芯体、透液性面层，所述本体的上表面上覆盖有一防漏层，所述防漏层的周沿与本体相连接，所述防漏层的中部上开设有一吸收通孔，所述吸收通孔在吸收芯体的投影位于吸收芯体范围内，所述吸收通孔沿吸收芯体的宽度方向的两侧上设置有防漏橡筋，所述防漏橡筋的两端沿吸收通孔的周沿延伸，且所述防漏橡筋于吸收通孔长度方向的两端向本体的长度方向两端延伸。其解决了现有防漏纸尿裤、防漏卫生巾等一次性卫生用品结构较为复杂、工艺较为复杂、生产成本较高的技术问题。还提供了一种360度防漏一次性吸收用品的成型工艺。
The present invention relates to the field of disposable sanitary products, in particular to a 360-degree leak-proof disposable absorbent product, comprising a body, which comprises a liquid-impermeable bottom layer, an absorbent core, and a liquid-permeable surface layer in sequence from bottom to top. The upper surface of the main body is covered with an anti-leakage layer, the periphery of the anti-leakage layer is connected with the main body, and an absorption through hole is opened in the middle of the anti-leakage layer. Within the scope of the absorption core, leak-proof elastics are provided on both sides of the absorption through hole along the width direction of the absorption core, and both ends of the leakage-proof elastic extend along the periphery of the absorption through-hole, and the The leak-proof elastics extend from both ends of the absorption through hole in the longitudinal direction to the longitudinal ends of the main body. It solves the technical problems that the existing disposable sanitary products such as leak-proof diapers and leak-proof sanitary napkins are relatively complex in structure, relatively complicated in process and relatively high in production cost. Also provided is a molding process for a 360-degree leak-proof disposable absorbent article.
Description
Technical Field
The invention relates to the field of disposable sanitary products, in particular to a 360-degree leakage-proof disposable absorption product and a forming process thereof.
Background
At present, the applicant has filed chinese patent application No.: 201610307499.X discloses a 360 degree leak protection panty-shape diapers, which comprises a body, the body includes hydrophilic surface course, water conservancy diversion layer, absorption core, basement membrane from top to bottom in proper order, the upper surface evenly distributed of hydrophilic surface course is equipped with a plurality of arcuation bumps, be equipped with the core rubber band along length direction on the absorption core both sides, be equipped with through the mode around absorbing the core on the basement membrane and refuse the water non-woven fabrics, refuse the water non-woven fabrics upper end and be equipped with the laminating non-woven fabrics that is used for the laminating human, the both ends of laminating non-woven fabrics are equipped with respectively and protect and enclose the rubber band, the outside that lies in on the basement membrane and refuse the water non-woven fabrics.
This 360 degree leak protection panty-shape diapers can realize effectual leak protection effect, but owing to its structural constraint, the technology when its production shaping is comparatively complicated, and manufacturing cost is also higher.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a 360-degree leakage-proof disposable absorption article, which solves the technical problems of complicated structure, complicated process and high production cost of the existing disposable sanitary articles such as leakage-proof paper diapers and leakage-proof sanitary towels. Also provides a forming process of the 360-degree leakage-proof disposable absorption article.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a articles for use are once only absorbed in 360 degrees leak protection, includes the body, the body is by supreme liquid-tight bottom, absorption core, the liquid-permeable surface course of including in proper order down, the upper surface of body coats and is stamped a leak protection layer, the border of leak protection layer is connected with the body, an absorption through-hole has been seted up on the middle part of leak protection layer, the projection of absorbing the core at the absorption through-hole is located absorbs the core within range, it is provided with the leak protection rubber band on the width direction's of absorption core both sides to absorb the through-hole, the both ends of leak protection rubber band are along the border extension that absorbs the through-hole, just the leak protection rubber band extends to the length direction both ends of body in the both.
Furthermore, the number of the leakage-proof rubber bands positioned on one side of the absorption through hole is two, and the leakage-proof rubber bands are not in cross contact with each other.
Further, the middle parts of the two sides of the width direction of the absorption core body are inwards sunken to form an arc-shaped concave part.
Further, the leak protection layer includes the liquid-tight leak protection layer of pressing close to with the body and locates the close skin layer on the liquid-tight leak protection layer, leak protection rubber band centre gripping is located between liquid-tight leak protection layer and the close skin layer.
Further, the middle part on close skin layer has close skin through-hole, the middle part on impervious leak protection layer has the leak protection through-hole, close skin through-hole and the combination of leak protection through-hole form and absorb the through-hole, close skin through-hole is located leak protection through-hole inboard, just there is the interval between the week edge of close skin through-hole and the week edge of leak protection through-hole.
Further, the distance is 2-10 mm.
Furthermore, the projection of the liquid-permeable surface layer on the liquid-impermeable bottom layer is positioned in the liquid-impermeable bottom layer, the length of the liquid-permeable surface layer in the width direction is smaller than that of the liquid-impermeable bottom layer in the width direction, and the leakage-proof layer is connected with the liquid-impermeable bottom layer on the outer side of the liquid-permeable surface layer.
Further, the body includes preceding waist, back waist and locates the crotch portion between preceding waist and the back waist, be equipped with the waistline rubber band in the back waist, be equipped with leg on the both sides that lie in absorption core width direction in the body and enclose the rubber band.
A forming process of a 360-degree leakage-proof disposable absorption article based on the same invention concept comprises the following steps:
firstly, inputting a leakage-proof layer, setting an absorption through hole area on the leakage-proof layer, and respectively conforming to leakage-proof rubber bands at two sides of the width direction of the absorption through hole area, so that two ends of each leakage-proof rubber band extend along the periphery of the absorption through hole area, and the two ends of each leakage-proof rubber band in the length direction of the absorption through hole area extend towards two ends of the length direction of the leakage-proof layer, thereby forming a continuous material;
secondly, cutting off the absorption through hole area of the anti-leakage layer to form an absorption through hole;
third, preforming the continuous disposable absorbent article;
fourthly, compounding the anti-leakage layer with the preformed disposable absorption article;
and fifthly, cutting and folding to form a single disposable absorption article.
Further, in the first step, leak protection layer includes the liquid-tight leak protection layer of pressing close to with the body and locates the close skin layer on the liquid-tight leak protection layer, before leak protection rubber band is compound, sets up the leak protection through-hole on leak protection layer, compounds the rubber band on close skin layer, and then close skin layer is compound with leak protection layer, and in the second step, the excision is only amputated to close skin layer, obtains close skin through-hole to realize close skin through-hole and leak protection through-hole combination formation absorption through-hole.
By adopting the technical scheme, the invention has the beneficial effects that: this scheme is in fact add one deck leak protection layer in the top of original disposable absorption articles for use, and this leak protection layer can adopt bonding, hot-pressing bonding with being connected of body, both can adopt along length direction's strip bonding, also can adopt the punctiform bonding, and its adhesive position can set up according to actual needs. Generally, when the disposable absorbent article is a diaper, the leakproof layer is connected with the body at the front waist part and the rear waist part, and is also connected with the body at the outer side of the leg rubber band, so that a surrounding structure is formed. And the setting of leak protection rubber band can effectively realize tightening up to absorbing the through-hole, and this tightening up is mainly along length direction moreover to because the both ends of leak protection rubber band extend along the week of absorbing the through-hole, just the leak protection rubber band extends to the length direction both ends of body in the both ends of absorbing through-hole length direction, can also realize tightening up along width direction like this, can not cause great pincher trees along width direction's tightening up, thereby can improve the travelling comfort of dress. In addition, because the leak protection rubber band appears to the middle part shrink, will tighten the leak protection layer like this, and because the dress itself of panty-shape diapers is crooked, will form like this and absorb the through-hole and can effectively realize laminating the human body, and absorb the core and then leave the human body a little apart from, can effectively realize the leak protection purpose like this, also absorb the core in the twinkling of an eye that absorbs the body fluid, the body fluid is unable to run out the control range on leak protection layer, and this in the twinkling of an eye then causes the most main moment of side leakage, thereby can realize effectual leak protection. Further, the quantity that is located the leak protection rubber band that absorbs through-hole one side is two, and the contact of not intercrossing between each leak protection rubber band, when actually setting up, the minimum interval of both sides leak protection rubber band can set up to 10mm, and interval between the leak protection rubber band with one side can set up to 5mm, planar formation can also be realized to two rubber bands, prevent that a strip rubber band can produce and reine in the trace, and better pulling force balance can be realized in the setting of two rubber bands in addition, form better stereoeffect. Furthermore, the arc-shaped concave part is arranged, so that the molding dosage can be reduced, and the body fluid can be diffused to two ends of the length direction of the absorption core body more quickly. Thereby improving the absorption effect, further reducing the risk of side leakage and improving the leakage-proof effect. Further, through the setting of impervious leak protection layer and close skin layer, both can realize good leak protection, also can realize the comfortable of dress, especially preceding waist and back waist, because tightening of waistline rubber band, the body can cause pincher trees, and through the setting on close skin layer, can effectively improve the defect, when the in-service use, leak protection layer is at the setting at waistline position, can be that the week is along fixed, and the middle part is unset, be the suspension form, thereby when realizing that the waistline rubber band tightens up, can not produce great influence to leak protection layer, make more comfortable when wearing. Furthermore, the skin-friendly through hole is located on the inner side of the leakage-proof through hole, and a distance exists between the peripheral edge of the skin-friendly through hole and the peripheral edge of the leakage-proof through hole. Furthermore, the projection of the liquid-permeable surface layer on the liquid-impermeable bottom layer is positioned in the liquid-impermeable bottom layer, the length of the liquid-permeable surface layer in the width direction is smaller than that of the liquid-impermeable bottom layer in the width direction, and the leakage-proof layer is connected with the liquid-impermeable bottom layer on the outer side of the liquid-permeable surface layer, so that the liquid-permeable surface layer mainly plays a role in guiding the flow, and the leakage-proof layer plays a role in a surface layer contacting with the skin. In addition, the projection of the liquid-permeable surface layer is positioned in the liquid-impermeable bottom layer, so that the liquid can not leak outwards, leakage prevention is ensured, and the leakage prevention effect is effectively improved. Furthermore, the disposable absorption article can be formed in the direction of the paper diaper, as long as the disposable absorption article is provided with a front waist part, a rear waist part and a crotch part arranged between the front waist part and the rear waist part, a waist rubber band is arranged in the rear waist part, leg surrounding rubber bands are arranged on two sides of the body in the width direction of the absorption core body, and left and right waist patches are arranged on two sides of the rear waist part, so that the diaper type paper diaper can be formed. And removing the left and right waist patches, arranging a waist rubber band at the front waist part, and bonding the two sides of the front waist part and the rear waist part to form the underpants type paper diaper. The disposable absorption article is made into a sanitary towel, and the viscose is arranged outside the liquid-tight bottom layer, so that the leak-proof sanitary towel can be formed. The forming process of the 360-degree leakage-proof disposable absorption article based on the same invention concept realizes the forming and compounding of the leakage-proof layer, provides an effective and good-effect forming process and can realize the high-efficiency forming of the 360-degree leakage-proof disposable sanitary article. Furthermore, when the leakage-proof layer comprises the liquid-tight leakage-proof layer and the skin-friendly layer, the forming of the leakage-proof layer, particularly the forming of the absorption through hole, can be effectively realized, the simplicity and convenience of the process are effectively realized, and the forming efficiency is improved.
Drawings
FIG. 1 is a schematic view of a diaper-type diaper according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a diaper-type diaper according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken at A-A in FIG. 1;
FIG. 4 is a comparison of the liquid impermeable backsheet and the liquid permeable topsheet of FIG. 1;
fig. 5 is a schematic view of a sanitary napkin-based structure according to a second embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 4, this embodiment provides a 360-degree leakage-proof disposable absorbent article, which is designed based on the style of a diaper type diaper, and includes a body, the body includes a front waist portion 1, a rear waist portion 2 and a crotch portion 3 disposed between the front waist portion 1 and the rear waist portion 2, a waist rubber band 4 is disposed in the rear waist portion 2, the body sequentially includes a liquid-tight bottom layer 5, an absorbent core 6 and a liquid-tight surface layer 7 from bottom to top, leg rubber bands 8 are disposed on two sides of the absorbent core 6 in the body, a leakage-proof layer 9 covers the upper surface of the body, the periphery of the leakage-proof layer 9 is connected with the body, an absorbent through hole 91 is disposed on the middle portion of the leakage-proof layer 9, the projection of the absorbent through hole 91 on the absorbent core 6 is within the range of the absorbent core, leakage-proof rubber bands 92 are disposed on two sides of the absorbent through hole 91 in the width direction, the extension part 921 is formed along the extension of the circumference of absorbing the through-hole in the both ends of leak protection rubber band 92, just the length direction both ends of absorbing the through-hole 91 in leak protection rubber band 92 are extended to the body.
The number of the leakage-proof rubber strings 92 positioned on one side of the absorption through hole 91 is two, and the leakage-proof rubber strings 92 are not in cross contact with each other.
The widthwise central portions of the absorbent core 6 are recessed inward to form an arcuate recess 61.
The leakage-proof layer 9 comprises a liquid-tight leakage-proof layer 93 close to the body and a skin-friendly layer 94 arranged on the liquid-tight leakage-proof layer 93, and the leakage-proof rubber band 92 is clamped between the liquid-tight leakage-proof layer 93 and the skin-friendly layer 94. The middle part of close skin layer 94 has close skin through-hole 941, the middle part of liquid-tight leak protection layer 93 has leak protection through-hole 931, close skin through-hole 941 and leak protection through-hole 931 combination form and absorb through-hole 91, close skin through-hole 941 is located leak protection through-hole 931 inboard, just there is the interval between the week edge of close skin through-hole 941 and leak protection through-hole 931. The distance is 2-10 mm, the value of the scheme is 5mm, and the value can be adjusted according to actual needs.
The waist elastic band may be an elastic nonwoven fabric, or a combination of a plurality of common elastic bands and an elastic nonwoven fabric, and as shown in fig. 1, an elastic nonwoven fabric 4a is further disposed at the waist elastic band. The back waist patch is arranged on the back waist part, and the front waist patch is arranged on the front waist part, so that the common paper diaper is formed. The underwear-type paper diaper is formed by bonding the back waist part and the front waist part at both sides and removing the left and right waist tapes. The layered structure of the body can be further arranged according to actual needs, such as arranging a flow guide layer, arranging a leakage-proof film and the like, which are conventional in the field, and as shown in fig. 3, a waterproof film 5a is further arranged on the liquid-tight bottom layer. The skin-friendly layer can be skin-friendly non-woven fabric or other breathable and soft-contact fabrics, and the liquid-tight and leakage-proof layer can be a plastic film or other liquid-tight materials, preferably liquid-tight but breathable materials. The liquid-tight bottom layer, the liquid-tight surface layer and the absorption core body are all conventional technologies in the field, and the absorption core body can be selected according to actual needs.
Referring again to fig. 4, which is a comparison of the liquid-impermeable back sheet and the liquid-permeable top sheet, it is only one way that the width of the liquid-permeable top sheet in the crotch region of the structure is smaller than that of the liquid-impermeable back sheet, and the edges of the front waist portion and the back waist portion may be flush for the purpose of rubber band compounding. The edges of the liquid-permeable surface layer can be positioned on the inner side of the liquid-impermeable bottom layer, or the part which is partially flush can be positioned on the inner side of the liquid-permeable surface layer.
A forming process of a 360-degree leakage-proof disposable absorption article based on the same invention concept comprises the following steps:
firstly, inputting a leakage-proof layer, setting an absorption through hole area on the leakage-proof layer, and respectively conforming to leakage-proof rubber bands at two sides of the width direction of the absorption through hole area, so that two ends of each leakage-proof rubber band extend along the periphery of the absorption through hole area, and the two ends of each leakage-proof rubber band in the length direction of the absorption through hole area extend towards two ends of the length direction of the leakage-proof layer, thereby forming a continuous material;
secondly, cutting off the absorption through hole area of the anti-leakage layer to form an absorption through hole;
thirdly, performing continuous paper diaper bodies in advance;
fourthly, compounding the leakage-proof layer with the preformed continuous paper diaper body;
and fifthly, cutting and folding to form a single paper diaper body.
Work as the leak protection layer includes the liquid-tight leak protection layer of pressing close to with the body and locates the close skin layer on the liquid-tight leak protection layer, before the compound of leak protection rubber band, sets up the leak protection through-hole on the leak protection layer, compounds the rubber band on close skin layer, and then close skin layer is compound with the leak protection layer, and in the second step, the excision is only amputated to close skin layer, obtains close skin through-hole to realize close skin through-hole and leak protection through-hole combination formation absorption through-hole.
Referring again to fig. 5, the present embodiment provides a 360 degree leakproof disposable absorbent article based on the same inventive concept, which is different from the first embodiment in that: the sanitary towel is in a basic style, the hierarchical structure of the sanitary towel can be the same as that shown in figure 3, other structures can be additionally arranged according to actual needs, leg surrounding rubber bands can be omitted, a liquid-permeable surface layer can be omitted, or the leg surrounding rubber bands can be directly arranged on the absorption core body, or other structures can be adopted. In fig. 4, the bottom of the body is provided with a leakage-proof film 5a ', the absorption core 6' is arranged on the leakage-proof film 5a ', and two sides of the body in the width direction are provided with side wings 3', absorption through holes 91 'and leakage-proof rubber bands 92'.
This scheme is in fact add one deck leak protection layer in the top of original disposable absorption articles for use, and this leak protection layer can adopt bonding, hot-pressing bonding with being connected of body, both can adopt along length direction's strip bonding, also can adopt the punctiform bonding, and its adhesive position can set up according to actual needs. Generally, when the disposable absorbent article is a diaper, the leakproof layer is connected with the body at the front waist part and the rear waist part, and is also connected with the body at the outer side of the leg rubber band, so that a surrounding structure is formed. And the setting of leak protection rubber band can effectively realize tightening up to absorbing the through-hole, and this tightening up is mainly along length direction moreover to because the both ends of leak protection rubber band extend along the week of absorbing the through-hole, just the leak protection rubber band extends to the length direction both ends of body in the both ends of absorbing through-hole length direction, can also realize tightening up along width direction like this, can not cause great pincher trees along width direction's tightening up, thereby can improve the travelling comfort of dress. In addition, because the leak protection rubber band appears to the middle part shrink, will tighten the leak protection layer like this, and because the dress itself of panty-shape diapers is crooked, will form like this and absorb the through-hole and can effectively realize laminating the human body, and absorb the core and then leave the human body a little apart from, can effectively realize the leak protection purpose like this, also absorb the core in the twinkling of an eye that absorbs the body fluid, the body fluid is unable to run out the control range on leak protection layer, and this in the twinkling of an eye then causes the most main moment of side leakage, thereby can realize effectual leak protection. Further, the quantity that is located the leak protection rubber band that absorbs through-hole one side is two, and the contact of not intercrossing between each leak protection rubber band, when actually setting up, the minimum interval of both sides leak protection rubber band can set up to 10mm, and interval between the leak protection rubber band with one side can set up to 5mm, planar formation can also be realized to two rubber bands, prevent that a strip rubber band can produce and reine in the trace, and better pulling force balance can be realized in the setting of two rubber bands in addition, form better stereoeffect. Furthermore, the arc-shaped concave part is arranged, so that the molding dosage can be reduced, and the body fluid can be diffused to two ends of the length direction of the absorption core body more quickly. Thereby improving the absorption effect, further reducing the risk of side leakage and improving the leakage-proof effect. Further, through the setting of impervious leak protection layer and close skin layer, both can realize good leak protection, also can realize the comfortable of dress, especially preceding waist and back waist, because tightening of waistline rubber band, the body can cause pincher trees, and through the setting on close skin layer, can effectively improve the defect, when the in-service use, leak protection layer is at the setting at waistline position, can be that the week is along fixed, and the middle part is unset, be the suspension form, thereby when realizing that the waistline rubber band tightens up, can not produce great influence to leak protection layer, make more comfortable when wearing. Furthermore, the skin-friendly through hole is located on the inner side of the leakage-proof through hole, and a distance exists between the peripheral edge of the skin-friendly through hole and the peripheral edge of the leakage-proof through hole. Furthermore, the projection of the liquid-permeable surface layer on the liquid-impermeable bottom layer is positioned in the liquid-impermeable bottom layer, the length of the liquid-permeable surface layer in the width direction is smaller than that of the liquid-impermeable bottom layer in the width direction, and the leakage-proof layer is connected with the liquid-impermeable bottom layer on the outer side of the liquid-permeable surface layer, so that the liquid-permeable surface layer mainly plays a role in guiding the flow, and the leakage-proof layer plays a role in a surface layer contacting with the skin. In addition, the projection of the liquid-permeable surface layer is positioned in the liquid-impermeable bottom layer, so that the liquid can not leak outwards, leakage prevention is ensured, and the leakage prevention effect is effectively improved. Furthermore, the disposable absorption article can be formed in the direction of the paper diaper, as long as the disposable absorption article is provided with a front waist part, a rear waist part and a crotch part arranged between the front waist part and the rear waist part, a waist rubber band is arranged in the rear waist part, leg surrounding rubber bands are arranged on two sides of the body in the width direction of the absorption core body, and left and right waist patches are arranged on two sides of the rear waist part, so that the diaper type paper diaper can be formed. And removing the left and right waist patches, arranging a waist rubber band at the front waist part, and bonding the two sides of the front waist part and the rear waist part to form the underpants type paper diaper. The disposable absorption article is made into a sanitary towel, and the viscose is arranged outside the liquid-tight bottom layer, so that the leak-proof sanitary towel can be formed. The forming process of the 360-degree leakage-proof disposable absorption article based on the same invention concept realizes the forming and compounding of the leakage-proof layer, provides an effective and good-effect forming process and can realize the high-efficiency forming of the 360-degree leakage-proof disposable sanitary article. Furthermore, when the leakage-proof layer comprises the liquid-tight leakage-proof layer and the skin-friendly layer, the forming of the leakage-proof layer, particularly the forming of the absorption through hole, can be effectively realized, the simplicity and convenience of the process are effectively realized, and the forming efficiency is improved.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a disposable articles for use that absorb of 360 degrees leak protection, includes the body, the body is by supreme liquid-tight bottom, absorption core, the liquid-tight surface course of including in proper order down, its characterized in that: the upper surface of the body is covered with a leakage-proof layer, the periphery of the leakage-proof layer is connected with the body, an absorption through hole is formed in the middle of the leakage-proof layer, the projection of the absorption through hole on the absorption core body is located in the range of the absorption core body, leakage-proof rubber bands are arranged on the two sides of the absorption through hole in the width direction of the absorption core body, the two ends of each leakage-proof rubber band extend along the periphery of the absorption through hole, and the two ends of each leakage-proof rubber band in the length direction of the absorption through hole extend towards the two ends of the length direction of the body.
2. A 360 degree leak resistant disposable absorbent article as defined in claim 1, wherein: the number of the leakage-proof rubber bands positioned on one side of the absorption through hole is two, and the leakage-proof rubber bands are not in cross contact with each other.
3. A 360 degree leak resistant disposable absorbent article as defined in claim 1, wherein: the middle parts of the two sides of the width direction of the absorption core body are inwards sunken to form an arc-shaped concave part.
4. A 360 degree leak resistant disposable absorbent article as defined in claim 1, wherein: the leak protection layer includes the liquid-tight leak protection layer of pressing close to with the body and locates the close skin layer on the liquid-tight leak protection layer, leak protection rubber band centre gripping is located between liquid-tight leak protection layer and the close skin layer.
5. A360 degree leak resistant disposable absorbent article as defined in claim 4, wherein: the middle part on close skin layer has close skin through-hole, the middle part on impervious leak protection layer has the leak protection through-hole, close skin through-hole and leak protection through-hole combination form and absorb the through-hole, close skin through-hole is located the leak protection through-hole inboard, just there is the interval between the week edge of close skin through-hole and the week edge of leak protection through-hole.
6. A360 degree leak resistant disposable absorbent article as defined in claim 5, wherein: the distance is 2-10 mm.
7. A 360 degree leak resistant disposable absorbent article as defined in claim 1, wherein: the projection of the liquid-permeable surface layer on the liquid-impermeable bottom layer is positioned in the liquid-impermeable bottom layer, the length of the liquid-permeable surface layer in the width direction is smaller than that of the liquid-impermeable bottom layer in the width direction, and the leakage-proof layer is connected with the liquid-impermeable bottom layer on the outer side of the liquid-permeable surface layer.
8. A 360 degree leak resistant disposable absorbent article as defined in claim 1, wherein: the body includes preceding waist, back waist and locates the crotch portion between preceding waist and the back waist, be equipped with the waistline rubber band in the back waist, be equipped with leg in the body and enclose the rubber band on being located the both sides that absorb core width direction.
9. A process for forming a 360 degree leak proof disposable absorbent article as defined in any one of claims 1 to 8, comprising the steps of:
firstly, inputting a leakage-proof layer, setting an absorption through hole area on the leakage-proof layer, and respectively conforming to leakage-proof rubber bands at two sides of the width direction of the absorption through hole area, so that two ends of each leakage-proof rubber band extend along the periphery of the absorption through hole area, and the two ends of each leakage-proof rubber band in the length direction of the absorption through hole area extend towards two ends of the length direction of the leakage-proof layer, thereby forming a continuous material;
secondly, cutting off the absorption through hole area of the anti-leakage layer to form an absorption through hole;
third, preforming the continuous disposable absorbent article;
fourthly, compounding the anti-leakage layer with the preformed disposable absorption article;
and fifthly, cutting and folding to form a single disposable absorption article.
10. The process of forming a 360 degree leak resistant disposable absorbent article of claim 9 wherein: in the first step, leak protection layer includes the liquid-tight leak protection layer of pressing close to with the body and locates the close skin layer on the liquid-tight leak protection layer, before leak protection rubber band is compound, sets up the leak protection through-hole on leak protection layer, compound the rubber band on close skin layer, then close skin layer is compound with leak protection layer, and in the second step, the excision only amputates to close skin layer, obtains close skin through-hole to realize close skin through-hole and leak protection through-hole combination formation absorption through-hole.
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| CN202011487702.9A CN112494215A (en) | 2020-12-16 | 2020-12-16 | 360-degree leakage-proof disposable absorption article and forming process thereof |
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| CN202011487702.9A CN112494215A (en) | 2020-12-16 | 2020-12-16 | 360-degree leakage-proof disposable absorption article and forming process thereof |
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