CN113180920A - Soft leakproof edge-separated paper diaper and manufacturing process thereof - Google Patents

Soft leakproof edge-separated paper diaper and manufacturing process thereof Download PDF

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Publication number
CN113180920A
CN113180920A CN202110472794.1A CN202110472794A CN113180920A CN 113180920 A CN113180920 A CN 113180920A CN 202110472794 A CN202110472794 A CN 202110472794A CN 113180920 A CN113180920 A CN 113180920A
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CN
China
Prior art keywords
woven fabric
rubber band
hot pressing
edge
diaper
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Pending
Application number
CN202110472794.1A
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Chinese (zh)
Inventor
高亨瑶
吴朱兴
黄剑辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengan Fujian Holding Group Co Ltd
Fujian Hengan Household Life Article Co Ltd
Hengan China Hygiene Products Co Ltd
Original Assignee
Hengan Fujian Holding Group Co Ltd
Fujian Hengan Household Life Article Co Ltd
Hengan China Hygiene Products Co Ltd
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Publication date
Application filed by Hengan Fujian Holding Group Co Ltd, Fujian Hengan Household Life Article Co Ltd, Hengan China Hygiene Products Co Ltd filed Critical Hengan Fujian Holding Group Co Ltd
Priority to CN202110472794.1A priority Critical patent/CN113180920A/en
Publication of CN113180920A publication Critical patent/CN113180920A/en
Pending legal-status Critical Current

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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
    • A61F13/496Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • 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
    • A61F13/15577Apparatus or processes for manufacturing
    • A61F13/15585Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
    • A61F13/15593Apparatus or processes for manufacturing of babies' napkins, e.g. diapers having elastic ribbons fixed thereto; Devices for applying the ribbons
    • 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
    • A61F13/56Supporting or fastening means
    • A61F13/5622Supporting or fastening means specially adapted for diapers or the like
    • A61F13/565Supporting or fastening means specially adapted for diapers or the like pants type diaper

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

The invention relates to the field of disposable sanitary products, in particular to a soft leakage-proof edge-separating paper diaper which comprises a body, the body is provided with a front waist region, a crotch region and a rear waist region, the body is provided with leakproof isolation edges, two leakproof isolation edges are provided with edge isolation rubber bands, the leakproof isolation boundaries are formed by folding a non-woven fabric into an upper non-woven fabric layer, a lower non-woven fabric layer and connecting parts, the connecting parts of the two leakproof isolation boundaries are arranged close to each other, each isolation boundary rubber band is clamped between the upper non-woven fabric layer and the lower non-woven fabric layer at intervals, two ends of each isolation boundary rubber band along the length direction are respectively fixedly connected with the upper non-woven fabric layer and the lower non-woven fabric layer to form fixed end parts, the leak-proof partition edges form a plurality of rows of hot pressing lines along the length direction in a discontinuous hot pressing mode, a laying channel is formed between every two adjacent hot pressing lines, and all or part of the part between the two fixed end parts of each partition edge rubber band is arranged in the laying channel. The anti-leakage partition edge solves the technical problems that the existing anti-leakage partition edge is hard in hand feeling and easily produces tightening marks.

Description

Soft leakproof edge-separated paper diaper and manufacturing process thereof
Technical Field
The invention relates to the field of disposable sanitary products, in particular to a soft leakage-proof edge-separating paper diaper and a manufacturing process thereof.
Background
At present, the applicant has filed chinese patent application No.: CN202010036187.6 discloses a tightening-proof baby diaper, which comprises a body, the body has preceding lumbar region, crotch region, back lumbar region respectively along longitudinal direction, be equipped with preceding waist subsides on the preceding lumbar region, back lumbar region department has back waistline, waist subsides about being equipped with respectively on the left and right sides of back lumbar region, be equipped with a paster on the lateral surface of body, the width of paster is greater than 1/4 of waistline rubber band width, the upper end of paster and the lateral surface bonding of body form bonding portion, the paster is flexible material, and when the paster turned over the inboard face of folding into the body, the lower extreme of paster extended beyond the region that the waistline rubber band covered. It discloses the general structure of the prior paper diaper and discloses the improvement on the waistline to achieve the aim of preventing the diaper from being tightened.
At present, the leakproof separation edges of the paper diaper/the pull-up diaper/the paper diaper are all fixed by gluing and bonding non-woven fabrics and separation edge rubber bands, wherein the separation edge rubber bands are glued discontinuously, and the separation edge rubber bands close to the front end and the rear end of the product are not glued. The disadvantages are that: because this station needs to possess certain creep resistance, the cohesive force ratio of the rubber band glue of using is great, service temperature is higher, glues itself relatively harder at normal atmospheric temperature, can feel hard to the side when reacting to finished product's leak protection on separating the limit, because the rubber band has the elastic action again, causes easily to rein in the trace. When the skin is pressed by the outside or rubbed actively, the contacted part and the skin may be damaged and bleeds seriously, and the like. The skin of the part is usually tender and is more prone to be damaged.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a soft leakproof isolation edge paper diaper which solves the technical problems that the existing leakproof isolation edge has hard hand feeling and is easy to produce strangle marks. Also provides a manufacturing process of the soft leakproof edge-separated paper diaper.
In order to achieve the purpose, the invention adopts the following technical scheme: a soft leakproof edge-separating paper diaper comprises a body, wherein the body is respectively provided with a front waist region, a crotch region and a rear waist region along the longitudinal direction, the front waist region is provided with a front waist patch, the rear waist region is provided with a rear waist circumference, the left side and the right side of the rear waist region are respectively provided with a left waist patch and a right waist patch, the middle part of the crotch region is provided with an absorption core body, the left end and the right end of the crotch region are provided with leg-surrounding rubber bands, the left end and the right end of the inner side surface of the body are connected with the front waist region and the rear waist region and are provided with leakproof edge-separating edges, the two leakproof edge-separating edges are close to each other and are arranged on one side and above the crotch region, the leakproof edge-separating edges are folded by a non-woven fabric to form an upper non-woven fabric, a lower non-woven fabric and a connecting part for connecting the upper non-woven fabric and the lower non-woven fabric, the connecting parts of the two leakproof edge-separating edges are close to each other and are clamped between the upper non-woven fabric and the lower non-woven fabric at intervals, each edge-separating rubber band is fixedly connected with the upper non-woven fabric and the lower non-woven fabric respectively along the two ends of the length direction to form fixed end parts, a plurality of rows of hot-pressing lines along the length direction are formed on the anti-leakage edge-separating rubber bands in a discontinuous hot-pressing mode, a laying channel is formed between every two adjacent hot-pressing lines, and all or part of the part between the two fixed end parts of each edge-separating rubber band is arranged in the laying channel.
Furthermore, the rest parts of the edge-separating rubber bands except the fixed end parts are not connected with the upper layer non-woven fabric and the lower layer non-woven fabric.
Further, the length of the fixing end portion in the longitudinal direction is less than 40mm and greater than 20 mm.
Furthermore, the connecting part is provided with more than one crumple part.
Furthermore, the position of crease portion in preceding waist region and back waist region is fixed the bonding, crease portion is not glued in crotch region position and is free state.
Furthermore, the folding width of the folding part towards the direction of the edge separation rubber band is 2-3 mm.
Furthermore, each hot pressing line comprises a plurality of hot pressing points arranged at intervals, the distance between two hot pressing points on the same hot pressing line is larger than 5mm and smaller than 10mm, and the distance between two adjacent hot pressing lines is larger than 1mm and smaller than 4 mm.
Further, the rear waistline comprises an outer layer, a middle layer, an inner layer and an elastic rubber band, wherein the elastic rubber band is clamped between the outer layer and the middle layer, the elastic rubber band is fastened with the outer layer and the middle layer in a stretching state in a gluing mode, the inner layer is compounded with the middle layer in a spaced hot pressing mode to form a plurality of hot pressing parts, each hot pressing part extends along the vertical direction, the width of the inner layer between two adjacent hot pressing parts is more than three times of the width of the hot pressing part, when the elastic rubber band shrinks, the outer layer and the middle layer form outer folding bulges, the inner layer forms inner folding bulges, the width of the inner folding bulges along the transverse direction at least covers two outer folding bulges, a ventilation channel is formed between two adjacent inner folding bulges, the middle layer and the lower end of the outer layer are integrally formed, the upper end of the outer layer and the upper end of the inner layer are integrally formed, and the length of the inner layer in the vertical direction is larger than the length of the outer layer, and a plurality of ventilation through holes are formed in the inner layer close to the hot pressing part.
Furthermore, the ventilation through holes are oval, and long axes of the ventilation through holes are arranged in the vertical direction.
Further, the difference between the length of the inner layer in the vertical direction and the length of the outer layer in the vertical direction is 10-20 mm.
Furthermore, each hot pressing part is arranged along the vertical direction and is composed of a plurality of hot pressing points, and each hot pressing point is positioned between two adjacent elastic rubber bands.
Furthermore, the lower end of the middle layer is positioned between two adjacent hot pressing parts and is in hot-press bonding with the inner layer to form a hot indentation, the height of the hot indentation is lower than half of the height of the middle layer, the width of the hot indentation is smaller than 1mm, and the hot indentation consists of a plurality of hot indentation points.
A manufacturing process of a soft leakproof edge-separated paper diaper based on the same invention concept comprises the following steps:
firstly, arranging a non-woven fabric, compounding more than two edge separation rubber bands on the non-woven fabric, wherein the compounding areas are positioned at two ends of the edge separation rubber bands in the longitudinal direction to form fixed end parts;
secondly, folding one side of the non-woven fabric positioned at the edge separation rubber band to form an upper non-woven fabric layer, a lower non-woven fabric layer and a connecting part for connecting the upper non-woven fabric layer and the lower non-woven fabric layer;
performing point type hot pressing on two sides of the non-woven fabric in the transverse direction of each edge-separating rubber band to form hot pressing lines in the longitudinal direction, forming a layout channel between every two adjacent hot pressing lines, and arranging all or part of the part between the two fixed end parts of each edge-separating rubber band in the layout channel;
fourthly, manufacturing a body of the paper diaper, and compounding the leakage-proof separation edge on the body of the paper diaper;
and fifthly, cutting, folding and outputting.
Furthermore, in the second step, before turning over, one side that lies in the limit rubber band that separates on the non-woven fabrics utilizes pincher trees mechanism to form more than one pincher trees portion, then turns over in the one side that the pincher trees portion kept away from the limit rubber band that separates.
Furthermore, in the fourth step, after the leakproof isolation edge is compounded with the body, an adhesion area and a non-adhesion area are formed, an isolation line is formed between the adhesion area and the non-adhesion area, and the projection of the isolation line on the body surrounds the absorption core body.
By adopting the technical scheme, the invention has the beneficial effects that:
1. this scheme has changed the higher technical problem of current leak protection flange hardness, can effectively reduce the risk that reines in the trace and produce, reduces the risk that the damage produced, can improve the travelling comfort greatly. The usage amount of the rubber band rubber at the separating edge is reduced to a greater extent, and about 90 percent of the usage amount of the rubber can be saved.
2. All other positions of each margin rubber band except for fixed tip do not be connected with upper non-woven fabrics, lower floor's non-woven fabrics, can effectively guarantee that the rubber band contracts back non-woven fabrics can form the convex part to increase the distance between rubber band and skin, improve the travelling comfort of wearing, reduce the risk that the trace produced.
3. The fixing end part is in a proper size between 20mm and 40mm, so that the using amount of glue can be reduced, and more stable adhesion can be realized.
4. The setting of pincher trees portion, aim at improve the compliance that the leak protection separates limit and human contact, it has produced more non-woven fabrics through pincher trees, and has unsmooth form, avoids the laminating of rubber band and human body.
5. The position fixed bonding in preceding waist region and back waist region of pincher trees portion, pincher trees portion does not bond in crotch region position and is the free state, need not glue like this, can realize making the compliance of pincher trees portion higher.
6. The folding width of the folding part towards the direction of the edge separation rubber band is 2-3 mm, so that the folding part can not be unfolded to form a straight shape.
7. The manufacturing process of the soft leakproof isolation edge paper diaper based on the same invention concept is mainly based on the realization of products, and the adopted mechanisms and the flow are arranged for realizing the products. The leakage-proof partition edge and the body are compounded to form a bonding area and an adhesion-free area, a partition line is formed between the bonding area and the adhesion-free area, and the projection of the partition line on the body surrounds the absorption core, so that a better space is formed between the leakage-proof partition edge, the partition edge rubber band and the body after the paper diaper is worn and bent, and leakage prevention is effectively realized.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic elevation view of the present invention;
FIG. 3 is a schematic cross-sectional structural view of the present invention;
FIG. 4 is a schematic view of the structure of the invention of the hot-pressed line and the edge separation rubber band;
FIG. 5 is a state diagram of the leakproof isolation edge after the isolation edge rubber band shrinks;
FIG. 6 is a state diagram of the leakage-proof edge separation after the contraction of the existing edge separation rubber band;
FIG. 7 is a schematic block diagram of another implementation of the present invention;
FIG. 8 is a cross-sectional structural schematic of another implementation of the present invention;
FIG. 9 is a cross-sectional view in the transverse direction of the rear waist;
FIG. 10 is a schematic view of the inner side of the back waist;
FIG. 11 is a cross-sectional view of the rear waist circumference when worn;
fig. 12 is a schematic view of a longitudinal cross-sectional structure of the rear waist.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 6, the present embodiment provides a soft leakproof isolation paper diaper, which comprises a main body, the main body has a front waist region 1, a crotch region 2 and a rear waist region 3 along a longitudinal direction, the front waist region 1 is provided with a front waist tape 11, the rear waist region 3 has a rear waist 8, the left and right sides of the rear waist region 3 are respectively provided with a left waist tape 4 and a right waist tape 4, the middle of the crotch region 2 is provided with an absorption core 5, the left and right ends of the crotch region 2 are provided with leg rubber bands 6, leakproof isolation edges 7 are arranged on the left and right ends of the inner side surface of the main body to connect the front waist region 1 and the rear waist region 3, the two leakproof isolation edges 7 are provided with isolation rubber bands 71 on a side where the two leakproof isolation edges 7 are close to each other and on a position above the crotch region 2, the leakproof isolation edges 7 are formed by folding a non-woven fabric to form an upper non-woven fabric 72, a lower non-woven fabric 73 and a connecting portion 74 connecting the upper non-woven fabric 72 and the lower non-woven fabric 73, the connecting parts 74 of the two anti-leakage partition edges 7 are arranged close to each other, the partition edge rubber bands 71 are clamped between the upper non-woven fabric 72 and the lower non-woven fabric 73 at intervals, two ends of each partition edge rubber band 71 in the length direction are fixedly connected with the upper non-woven fabric 72 and the lower non-woven fabric 73 respectively to form a fixed end part 711, a plurality of rows of hot pressing lines 75 in the length direction are formed on the anti-leakage partition edges 7 in a discontinuous hot pressing mode, a laying channel 76 is formed between every two adjacent hot pressing lines 75, and all or part of the part between the two fixed end parts of each partition edge rubber band 71 is arranged in the laying channel 76. The remaining portions of each of the edge-defining rubber strings 71 other than the fixed end portions 711 are not connected to the upper nonwoven fabric 72 and the lower nonwoven fabric 73. The length beta of the fixed end 711 in the longitudinal direction is less than 40mm and greater than 20mm, and the length beta is 30 mm. Each hot pressing line 75 comprises a plurality of hot pressing points 751 arranged at intervals, the distance alpha between two hot pressing points 751 on the same hot pressing line 75 is larger than 5mm and smaller than 10mm, the scheme takes the value of 8mm, the distance gamma between two adjacent hot pressing lines 751 is larger than 1mm and smaller than 4mm, and the scheme takes the value of 2 mm.
Refer to figure 5 again, it is the state diagram after the limit rubber band shrink, this structure is only a kind of suggestion, its shrink back, because upper non-woven fabrics, lower floor's non-woven fabrics do not connect at the middle zone with limit rubber band, will lead to upper non-woven fabrics like this, lower floor's non-woven fabrics can not follow limit rubber band and shrink, but again because the existence of fixed tip, will lead to upper non-woven fabrics, lower floor's non-woven fabrics is extruded on longitudinal direction, thereby form the structure as shown in the figure, such structure, can realize the isolation of limit rubber band and health better, thereby show better contact compliance. And the hot pressing point 751 is positioned at the same position with the edge separation rubber band and can not contact with the human body, thereby realizing better tightening prevention and better wearing comfort.
Referring to fig. 6 again, it is a state diagram after the contraction of the existing edge-separating rubber band, and this structure is only a schematic, and it includes upper non-woven fabric 72 ', lower non-woven fabric 73 ', edge-separating rubber band 71 ', and after the contraction of its formed structure, the rubber band is closely attached to the contact of the human body, and because of the existence of colloid, the touch feeling is harder.
A manufacturing process of a soft leakproof edge-separated paper diaper based on the same invention concept comprises the following steps:
firstly, arranging a non-woven fabric, compounding more than two edge separation rubber bands on the non-woven fabric, wherein the compounding areas are positioned at two ends of the edge separation rubber bands in the longitudinal direction to form fixed end parts;
secondly, folding one side of the non-woven fabric positioned at the edge separation rubber band to form an upper non-woven fabric layer, a lower non-woven fabric layer and a connecting part for connecting the upper non-woven fabric layer and the lower non-woven fabric layer;
performing point type hot pressing on two sides of the non-woven fabric in the transverse direction of each edge-separating rubber band to form hot pressing lines in the longitudinal direction, forming a layout channel between every two adjacent hot pressing lines, and arranging all or part of the part between the two fixed end parts of each edge-separating rubber band in the layout channel;
fourthly, manufacturing a body of the paper diaper, and compounding the leakage-proof separation edge on the body of the paper diaper;
and fifthly, cutting, folding and outputting.
In the fourth step, the leakproof isolation boundaries are compounded with the body to form an adhesive area and a non-adhesive area, a separation line 77 is formed between the adhesive area and the non-adhesive area, and the projection of the separation line 77 on the body surrounds the absorbent core 5, as can be seen in fig. 2.
Referring to fig. 7 and 8, in another implementation manner of the connection portion 74 of the present disclosure, more than one corrugated portion 741 is disposed on the connection portion 74. The corrugated portion 741 is fixed and bonded to the front waist region 1 and the rear waist region 3, and the corrugated portion 74 is free in the crotch region 2 without being bonded thereto. The folding width of the folding part 741 towards the direction of the edge separation rubber band 71 is 2-3 mm, and the value of the scheme is 2 mm.
During preparation, correspondingly, in the second step, before the folding, more than one folding part 741 is formed on one side of the non-woven fabric, which is positioned on the edge-separating rubber band, by using a folding mechanism, and then the folding is carried out on one side of the folding part, which is far away from the edge-separating rubber band.
When practical application, the middle part of the edge-separating rubber band can be actually glued with the upper non-woven fabric and/or the lower non-woven fabric in a point mode, so that the purpose that the rubber band is simpler to arrange is achieved, and the purpose of the scheme can be basically achieved. The hot pressing points can be formed by a hot rolling mechanism or an ultrasonic mechanism, and the shapes of the pressing points can be selected according to requirements. When the ultrasonic wave is adopted for welding, the frequency control of the ultrasonic vibration arm is a better choice at 20 +/-0.5 kHz, the amplitude of the vibration arm is controlled at 72-80 um, the welding force generated by the ultrasonic welding joint is less than 2000N, so that the welded effect is better, the purpose of the hot pressing point is not in fastening and bonding, and the realization of separation, when the hot pressing line consisting of a plurality of hot pressing points is adopted, the single hot pressing point does not need great bonding firmness, and the bonding firmness of the hot pressing point can be ensured as long as the bonding strength is greater than 0.4N.
The invention has the beneficial effects that:
1. this scheme has changed the higher technical problem of current leak protection flange hardness, can effectively reduce the risk that reines in the trace and produce, reduces the risk that the damage produced, can improve the travelling comfort greatly. The usage amount of the rubber band rubber at the separating edge is reduced to a greater extent, and about 90 percent of the usage amount of the rubber can be saved.
2. All other positions of each margin rubber band except for fixed tip do not be connected with upper non-woven fabrics, lower floor's non-woven fabrics, can effectively guarantee that the rubber band contracts back non-woven fabrics can form the convex part to increase the distance between rubber band and skin, improve the travelling comfort of wearing, reduce the risk that the trace produced.
3. The fixing end part is in a proper size between 20mm and 40mm, so that the using amount of glue can be reduced, and more stable adhesion can be realized.
4. The setting of pincher trees portion, aim at improve the compliance that the leak protection separates limit and human contact, it has produced more non-woven fabrics through pincher trees, and has unsmooth form, avoids the laminating of rubber band and human body.
5. The position fixed bonding in preceding waist region and back waist region of pincher trees portion, pincher trees portion does not bond in crotch region position and is the free state, need not glue like this, can realize making the compliance of pincher trees portion higher.
6. The folding width of the folding part towards the direction of the edge separation rubber band is 2-3 mm, so that the folding part can not be unfolded to form a straight shape.
7. The manufacturing process of the soft leakproof isolation edge paper diaper based on the same invention concept is mainly based on the realization of products, and the adopted mechanisms and the flow are arranged for realizing the products. The leakage-proof partition edge and the body are compounded to form a bonding area and an adhesion-free area, a partition line is formed between the bonding area and the adhesion-free area, and the projection of the partition line on the body surrounds the absorption core, so that a better space is formed between the leakage-proof partition edge, the partition edge rubber band and the body after the paper diaper is worn and bent, and leakage prevention is effectively realized.
Referring to fig. 9 to 12 again, the rear waistline 8 includes an outer layer 81, a middle layer 82, an inner layer 83, and an elastic rubber band 84, the elastic rubber band 84 is clamped between the outer layer 81 and the middle layer 82, the elastic rubber band 84 is fastened with the outer layer 81 and the middle layer 82 in a stretched state by means of gluing, the inner layer 83 is composited with the middle layer by means of hot pressing at intervals to form a plurality of hot pressing portions, each hot pressing portion extends vertically, each hot pressing portion is arranged in a vertical direction, each hot pressing portion is composed of a plurality of hot pressing points 85, and each hot pressing point is located between two adjacent elastic rubber bands 84. The lower end of the middle layer 82 is positioned between two adjacent hot pressing parts and is in hot-press bonding with the inner layer 83 to form a hot indentation, the height of the hot indentation is lower than half of the height of the middle layer, the width of the hot indentation is smaller than 1mm, and the hot indentation consists of a plurality of hot indentation points 86. The width that is located the inlayer between two adjacent hot pressing portions is more than three times of hot pressing portion width, and when elasticity rubber band shrink, outer and middle level form outer crease arch 87, and the inlayer forms interior pincher trees arch 88, interior pincher trees arch 88 covers two outer crease arch 87 at least along the width of transverse direction, forms ventilative passageway 89 between two adjacent interior pincher trees arch 88, middle level and outer lower extreme integrated into one piece, the upper end of outer and the upper end integrated into one piece of inlayer, inlayer 83 is greater than the length of skin 81 along the ascending length in vertical direction, be equipped with a plurality of ventilative through-holes 831 near hot pressing portion department on the inlayer 83. The ventilation through holes 831 are formed in an elliptical shape, and long axes thereof are arranged in a vertical direction. The difference between the length of the inner layer 83 in the vertical direction and the length of the outer layer in the vertical direction is 10-20 mm.
As shown in fig. 12, the rear waist is formed by folding a nonwoven fabric, the lower end of the middle layer 82 is extended rightward and then folded to form an outer layer 81, and the upper end of the outer layer 81 is folded leftward to cover the middle layer to form an inner layer 83. Fig. 11 shows a state that the inner corrugation lobes are compressed to collapse when worn, wherein the air passage 89 is formed between two adjacent inner corrugation lobes, and the air passage 89' is formed at the middle part of the inner corrugation lobes after being compressed. In practice, the front waist circumference can adopt the back waist circumference with the same structure, and can also adopt other structural forms. The bonding strength between the inner layer and the middle layer before the heat press mark is weak, which is actually to achieve the effect of the three-dimensional molding. The pre-adhesion strength of the inner and middle layers achieved by the hot-pressed portion is also weak, stronger than that of the hot-pressed portion, but does not destroy the material structure of the outer layer.
The scheme is suitable for the panty-shape diapers and can also be applied to the adhesive buckle type diapers.
This scheme adopts a non-woven fabrics to fold and has formed current back waistline to make back waistline can not the shaping burr at corner position, reduce the not enough problem of travelling comfort, inlayer downwardly extending forms an extension moreover, can realize better and the skin between the contact, reduces the contact of middle level, outer edge and skin. And the ventilation through hole is arranged, and the ventilation through hole can be matched with the ventilation channel, so that the ventilation performance can be enhanced. Further, ventilative through-hole becomes oval shape, can improve pincher trees guiding nature for pincher trees can present at ventilative through-hole department basically, thereby make ventilative through-hole can be located ventilative passageway's side, promote air permeability, and can make pincher trees higher probability go on according to the mode of setting for, improve the travelling comfort of wearing. Further, adopt a plurality of hot pressing points to form heat splenium, each hot pressing point is located between two adjacent elasticity rubber bands, can avoid like this the influence to the rubber band performance, can reduce the hardness of heat splenium moreover, improves its compliance, promotes the comfort level. Furthermore, the hot indentation is formed by a plurality of hot indentation points, so that the hardness is reduced, the flexibility is improved, and the comfort level 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 soft leak protection separates limit panty-shape diapers, includes the body, the body has preceding lumbar region, crotch region, back lumbar region respectively along longitudinal direction, be equipped with preceding waist subsides in the preceding lumbar region, back lumbar region department has back waistline, waist subsides about being equipped with on the left and right sides of back lumbar region respectively, the middle part in crotch region is provided with the absorption core, both ends department is equipped with the leg and encloses the rubber band about the crotch region, lumbar region and back lumbar region are equipped with the leak protection on the both ends ground before connecting about the medial surface of body separates the limit, and two leak protections separate on the limit one side that is close to each other and be equipped with on the position of crotch region top and separate limit rubber band, its characterized in that: the leak protection separates the limit by a folding upper non-woven fabrics, lower floor's non-woven fabrics and connection portion of connecting upper non-woven fabrics and lower floor's non-woven fabrics that forms of non-woven fabrics, and the connecting portion of two leak protection separate the limit is close to the setting each other, and each separates limit rubber band interval clamp and locate between upper non-woven fabrics and the lower floor's non-woven fabrics, and each separates limit rubber band and form fixed tip with upper non-woven fabrics, lower floor's non-woven fabrics fixed connection respectively along length direction's both ends, leak protection separates the edge and forms multiseriate along length direction's hot pressing line through the mode of being interrupted the hot pressing, forms between the two adjacent hot pressing lines and lays the passageway, and each separates the position between two fixed tip of limit rubber band and all locates to lay in the passageway.
2. The flexible leakproof isolation flange diaper as claimed in claim 1, wherein: the rest parts of each edge-separating rubber band except the fixed end part are not connected with the upper layer non-woven fabric and the lower layer non-woven fabric.
3. The flexible leakproof isolation flange diaper as claimed in claim 1, wherein: the length of the fixed end portion in the longitudinal direction is less than 40mm and greater than 20 mm.
4. The flexible leakproof isolation flange diaper as claimed in claim 1, wherein: the connecting part is provided with more than one crumple part.
5. The flexible leakproof isolation flange diaper as claimed in claim 4, wherein: the position of pincher trees portion in preceding waist region and back waist region is fixed the bonding, pincher trees portion does not bond in crotch region position and is free state.
6. The flexible leakproof isolation flange diaper as claimed in claim 4, wherein: the folding width of the folding part towards the direction of the edge separation rubber band is 2-3 mm.
7. The flexible leakproof isolation flange diaper as claimed in claim 1, wherein: each hot pressing line comprises a plurality of hot pressing points arranged at intervals, the distance between two hot pressing points on the same hot pressing line is larger than 5mm and smaller than 10mm, and the distance between two adjacent hot pressing lines is larger than 1mm and smaller than 4 mm.
8. The process for making a flexible leakproof isolation flange diaper as claimed in any one of claims 1 to 7, which comprises the steps of:
firstly, arranging a non-woven fabric, compounding more than two edge separation rubber bands on the non-woven fabric, wherein the compounding areas are positioned at two ends of the edge separation rubber bands in the longitudinal direction to form fixed end parts;
secondly, folding one side of the non-woven fabric positioned at the edge separation rubber band to form an upper non-woven fabric layer, a lower non-woven fabric layer and a connecting part for connecting the upper non-woven fabric layer and the lower non-woven fabric layer;
performing point type hot pressing on two sides of the non-woven fabric in the transverse direction of each edge-separating rubber band to form hot pressing lines in the longitudinal direction, forming a layout channel between every two adjacent hot pressing lines, and arranging all or part of the part between the two fixed end parts of each edge-separating rubber band in the layout channel;
fourthly, manufacturing a body of the paper diaper, and compounding the leakage-proof separation edge on the body of the paper diaper;
and fifthly, cutting, folding and outputting.
9. The process for making a soft leakproof isolation flange paper diaper as claimed in claim 8, wherein: in the second step, before turning over, one side that lies in the limit rubber band that separates on the non-woven fabrics utilizes pincher trees mechanism to form more than one pincher trees portion, then turns over in one side that the pincher trees portion kept away from the limit rubber band that separates.
10. The process for making a soft leakproof isolation flange paper diaper as claimed in claim 8, wherein: and in the fourth step, the leakproof isolation edge is compounded with the body to form a bonding area and a non-bonding area, an isolation line is formed between the bonding area and the non-bonding area, and the projection of the isolation line on the body surrounds the absorption core body.
CN202110472794.1A 2021-04-29 2021-04-29 Soft leakproof edge-separated paper diaper and manufacturing process thereof Pending CN113180920A (en)

Priority Applications (1)

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CN202110472794.1A CN113180920A (en) 2021-04-29 2021-04-29 Soft leakproof edge-separated paper diaper and manufacturing process thereof

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Application Number Priority Date Filing Date Title
CN202110472794.1A CN113180920A (en) 2021-04-29 2021-04-29 Soft leakproof edge-separated paper diaper and manufacturing process thereof

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030120247A1 (en) * 2001-12-21 2003-06-26 Kouichi Miyamoto Disposable absorbent article having elasticized outer leg cuff
US20120323206A1 (en) * 2011-06-17 2012-12-20 Kimberly-Clark Worldwide, Inc. Barrier flap for an absorbent article
CN105167918A (en) * 2014-06-16 2015-12-23 福建恒安集团有限公司 One-time absorbable article
CN111214331A (en) * 2020-01-14 2020-06-02 福建恒安集团有限公司 Tightening-proof baby paper diaper

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030120247A1 (en) * 2001-12-21 2003-06-26 Kouichi Miyamoto Disposable absorbent article having elasticized outer leg cuff
US20120323206A1 (en) * 2011-06-17 2012-12-20 Kimberly-Clark Worldwide, Inc. Barrier flap for an absorbent article
CN105167918A (en) * 2014-06-16 2015-12-23 福建恒安集团有限公司 One-time absorbable article
CN111214331A (en) * 2020-01-14 2020-06-02 福建恒安集团有限公司 Tightening-proof baby paper diaper

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