CN211156727U

CN211156727U - Front sticker of elastic paper diaper and paper diaper

Info

Publication number: CN211156727U
Application number: CN201921292807.1U
Authority: CN
Inventors: 陈正平
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-08-04
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses an elasticity panty-shape diapers are preceding to be pasted, including bottom, intermediate level and surface course, the bottom is nonwoven cloth layer, intermediate level for elasticity rete, surface course be the fibrous layer, and nonwoven cloth layer can transversely contract, and the fibrous layer has continuous convex part and concave part, and fibrous layer, nonwoven cloth layer combine as an organic whole with the elasticity rete from two upper and lower surfaces respectively. The non-woven fabric layer becomes the elastic drenches membrane non-woven fabric that can transversely stretch after the elastic membrane layer is drenched by curtain coating equipment, and the elastic drenches membrane non-woven fabric and fibrous layer thermal compound shaping, the sandwich is integrative, forms this product. The elastic paper diaper front sticker adopting the technical scheme has the advantages of reasonable structure and good bonding effect, and can stretch along with the change of the abdomen of a baby due to the elasticity, so that the comfort level is improved.

Description

Front sticker of elastic paper diaper and paper diaper

Technical Field

The utility model relates to a panty-shape diapers articles for use especially relate to a paste before elasticity panty-shape diapers.

Background

With the progress of the times, the quality of life of people is continuously improved, diapers which are inconvenient and unsanitary in traditional use are gradually replaced by disposable diapers, and the disposable diapers gradually go into life of many families due to the advantages of convenient carrying, no need of cleaning, simple replacement, cleanness, sanitation and the like, and are particularly favored by new parents in recent years.

Existing diapers generally consist of three main parts: surface coating layer, absorption core layer and base fabric. Surface coating layer: closely attached to the body of the baby, can promote the urine to quickly permeate and effectively prevent the urine from permeating back, and the surface layer of the diaper keeps dry and comfortable. Panty-shape diapers in the china market are the non-woven fabrics surface course basically, and ventilative non-woven fabrics can promote the inside ventilative degree of panty-shape diapers, and vapor can circulate outside the panty-shape diapers, and moisture and steam in time discharge effectively reduce the chance that the diaper rash takes place, and soft comfortable not amazing skin. An absorption core layer: this layer is primarily capable of capturing and rapidly absorbing urine, dispersing urine, or diffusing it throughout the core layer by capillary action, ultimately absorbing and storing urine. The absorbent core layer of the paper diaper on the market is mainly of a layered structure consisting of pure wood pulp (fluff pulp) and super absorbent resin (SAP). A bottom cloth layer: the base fabric of many foreign paper diapers is made of non-woven fabric which is comfortable, but because of higher price, the base fabric of the paper diapers in the market is still mainly made of PE film. After the baby eats, the stomach is expanded, the front abdomen of the baby can be enlarged, and the front abdomen of the baby is not provided with elasticity due to the fact that the existing non-woven fabric front patch has no elasticity, so that the baby is uncomfortable in stomach due to the fact that the front abdomen of the baby is provided with the indentation of the paper diaper.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a front sticker of an elastic paper diaper.

According to one aspect of the utility model, the utility model provides an elastic paper diaper front sticker, which comprises a bottom layer, a middle layer and a surface layer, wherein the bottom layer is a non-woven fabric layer, the middle layer is an elastic film layer, and the surface layer is a fiber layer, the non-woven fabric layer has transverse shrinkage at least 200% of peak load, and the transverse/longitudinal shrinkage rate is at least 1: 2; the fiber layer is provided with continuous convex parts and continuous concave parts, and the fiber layer and the non-woven fabric layer are respectively combined with the elastic film layer from the upper surface and the lower surface into a whole;

the elastic film layer is bonded with the non-woven fabric layer and the fiber layer along the transverse direction when tension is formed on the elastic film layer along the transverse direction;

when the diaper front patch is stretched in the transverse direction, the nonwoven fabric layer and the fiber layer stretch along with the elastic film, and when the diaper front patch is relaxed, the nonwoven fabric layer and the fiber layer recover. Therefore, the baby diaper has a transverse contraction function when the baby eats, the front part of the diaper is raised along with the front abdomen, after the food is digested, the front part of the diaper is attached to the front abdomen, the front part of the diaper is always attached to the front abdomen of the baby, and the baby can not feel uncomfortable any more.

In some embodiments, the non-woven fabric layer and the elastic film layer are laminated to form an elastic laminated non-woven fabric, and the fiber layer and the elastic laminated non-woven fabric are molded and hot-pressed to form a composite. The transverse stretching rate of the non-woven fabric layer is at least 200%, the non-woven fabric layer becomes transverse stretchable elastic laminating non-woven fabric after the elastic film is laminated by the tape casting equipment, the transverse stretchable elastic laminating non-woven fabric and the fiber layer are formed in a thermal compounding mode, and the three culture mediums are integrated to form the product. Therefore, the composite process is more reasonable.

In some embodiments, the protrusions and the recesses are spaced apart, the recesses are attached to the elastic film layer, the protrusions protrude from the upper surface of the elastic film layer, and the protrusions are in a geometric structure. Therefore, the adhesive tape is beneficial to the adhesion of the front adhesive tape and the ejection hook of the paper diaper, and has better adhesive effect.

In some embodiments, the tops of the convex parts on the surface of the fiber layer have a planar structure, so that the attaching effect is better.

In some embodiments, the tops of the convex parts on the surface of the fiber layer are provided with cambered surface structures, so that the attaching effect is better.

In some embodiments, the protrusions of the surface of the fibrous layer are arranged regularly or irregularly.

In some embodiments, the protrusions of the fiber layer surface may be arranged in a geometric configuration including a square, rectangle, circle, oval, triangle, diamond, and the like.

In some embodiments, the protrusions on the surface of the fiber layer are arranged in a "pin" configuration, which is linear in the transverse direction, and the protrusions have a length of 2-5mm, a width of 2-5mm, and a height of 1-3 mm.

In some embodiments, two kinds of fiber layers with different geometric structures are compounded on the surface of the elastic film layer, and the two kinds of fiber layers with different geometric structures are arranged at intervals. Thereby, the identification function is achieved.

In some embodiments, the width of the fiber layers is 5-10cm, the interval regions are arranged between the fiber layers, the interval distance is 3-5cm, the convex parts of the interval regions are of rectangular structures, and the convex parts of the fiber layers at two ends of the interval regions are of ' product ' character structures ', so that the front tape of the diaper can be conveniently and accurately and quickly positioned when being adhered with the ejection hooks, and whether the diaper with the specification is suitable for being worn by a baby can be judged according to the position of the front tape.

In some embodiments, the elastic membrane is compounded with two fiber layers with different colors on the surface, and the two fiber layers with different colors are arranged at intervals.

In some embodiments, the width of the two different colored fibrous layers is 5-10 cm.

In some embodiments, one of the two fibrous layers is a primary color that is the same as the color of the nonwoven substrate and the other is a color.

In some embodiments, the colored fiber layer is a fiber layer formed by using colored fibers or a fiber layer formed by printing a primary color fiber layer.

In some embodiments, the fiber layers are provided with spacers, the spacers are primary colors with the same color of the non-woven fabric, and the two ends of the spacers are colored fiber layers, so that the front patch of the diaper can be accurately and quickly positioned when being adhered by the ejection hooks conveniently through color discrimination, and whether the diaper with the specification is suitable for being worn by infants can be judged according to the position of the front patch.

In some embodiments, the spacer has a printed layer, which can be printed with some pattern or product type for identification.

In some embodiments, the nonwoven layer has a transverse/longitudinal shrinkage of 4 to 6:1, thereby providing better transverse stretch properties.

In some embodiments, the nonwoven layer is a point bonded carded nonwoven or spunlaced nonwoven produced from filament fibers and having stretchability.

In some embodiments, the elastic film layer is an ethylene propylene copolymer or a styrene block copolymer, having stretchability.

In some embodiments, the fibrous layer is a fibrous layer of continuous filament fibers preformed by a die and having stretchability.

According to the utility model discloses a paper diaper is provided in another aspect, including the paper diaper body, with the ejection hook of being connected on paper diaper body upper end both sides, with the combined material of laminating in the paper diaper body lower extreme outside, paper diaper body lower extreme has the fold structure, matches the bonding with combined material, pastes before combined material is elasticity paper diaper, along horizontal direction and combined material laminating when paper diaper body lower extreme forms tension along horizontal direction. The fold structure is convex-concave alternate wave-shaped structure, the transverse stretching of the composite material is matched, when the composite material is stretched to the limit, the fold is flattened and is tightly attached to the composite material, therefore, a baby wears the paper diaper, after the baby eats the paper diaper, the front abdomen is raised, the composite material at the lower end of the paper diaper body is stretched by transverse tension, after food is digested, the front abdomen can be returned a bit, the composite material retracts at the moment, the front abdomen position of the baby is always attached to the lower end of the paper diaper body, the comfort level of the paper diaper is improved, the front abdomen of the baby can be well protected, and indentation of the paper diaper cannot occur.

According to another aspect of the utility model, a paper diaper is provided, which comprises a paper diaper body, ejection hooks connected with two sides of the upper end of the paper diaper body, and a composite material attached to the upper end of the paper diaper body, wherein the upper end of the paper diaper body is provided with a fold structure, and the composite material is the elastic front attachment of the paper diaper; when the upper end of the diaper body forms tension along the transverse direction, the diaper body is attached to the composite material along the transverse direction. The fold structure is a wave-shaped structure with alternate convex and concave, the fold structure is matched with the transverse stretching of the composite material, when the composite material is stretched to the limit, the fold is flattened and is tightly attached to the composite material, therefore, the diaper is convenient for a baby to wear, when the baby urinates or urinates, the weight of the rear part of the diaper is increased, the elastic structure keeps the rear waist of the baby and the upper end of the diaper body always attached, the comfort level of the diaper is improved, and the skin of the baby can be well protected from indentation of the diaper.

According to the utility model discloses a still another aspect provides a panty-shape diapers, include the panty-shape diapers body, jet out hook, compound area one end is connected with panty-shape diapers body upper end one side, and the other end with jet out the hook connection, compound area is in panty-shape diapers body upper end bilateral symmetry sets up, pastes before the compound area is above elasticity panty-shape diapers. From this, the position of compound area is probably in baby's waist both sides for the baby breathes more smoothly, and convenient dress promotes panty-shape diapers's comfort level, and panty-shape diapers indentation can not appear in the skin of protection baby that can be fine.

According to the utility model discloses a further aspect provides a panty-shape diapers, the setting that the combined material that pastes before the above elasticity panty-shape diapers can make up wantonly on the body of panty-shape diapers body lower extreme middle part, panty-shape diapers, water proof boundary layer on the panty-shape diapers body, panty-shape diapers body upper end middle part, panty-shape diapers jet out between hook and the panty-shape diapers body upper end. Thereby, the wearing comfort of the baby diaper is improved.

According to the utility model discloses a further aspect provides the production facility of pasting before more than one kind elasticity panty-shape diapers, include:

a nonwoven fabric apparatus comprising: the thermoplastic raw materials enter the non-woven fabric equipment through the feeding hole, are heated by the host system and then are sprayed and spread on the conveying mesh belt for conveying; the non-woven fabric equipment changes thermoplastic raw materials into filament fibers, the filament fibers are used as a non-woven fabric layer base material and a fiber layer base material, and more than two feeding holes are arranged;

the casting film equipment comprises a feeder and a casting die head, wherein the elastomer raw material is heated by the feeder and then flows into the casting die head to form a linear extrusion film curtain, and an elastic film layer is formed after stretching;

the transverse stretching equipment comprises a first smooth roller and a first forming roller, wherein the first smooth roller and the first forming roller are matched and rotate in different directions, a non-woven fabric layer substrate is changed into a non-woven fabric layer after being matched and rolled by the first smooth roller and the first forming roller from one side, and forming teeth and forming grooves are longitudinally arranged on the outer wall of the first forming roller; the elastic film laminating machine further comprises a second smooth roller and a third smooth roller, wherein the second smooth roller and the third smooth roller are matched and rotate in different directions, and the non-woven fabric layer and the elastic film layer are rolled by the second smooth roller and the third smooth roller from one side to become elastic film laminating non-woven fabric;

the thermoforming compound equipment comprises a fourth smooth roller, a second forming roller and a third forming roller, wherein forming teeth and forming grooves are axially arranged on the outer walls of the second forming roller and the third forming roller, the forming teeth of the second forming roller are matched with the forming grooves of the third forming roller, the forming teeth of the third forming roller are matched with the forming grooves of the second forming roller, the second forming roller and the third forming roller are matched and rotate in different directions, and a fiber layer base material is rolled and pressed by one side through the second forming roller and the third forming roller to form a convex-concave fiber layer and then is output to the fourth smooth roller; the output side of the second forming roller is attached to the fourth smooth roller, the fourth smooth roller is a high-temperature smooth roller with a built-in heating device, the elastic film-coated non-woven fabric is conveyed to the second forming roller through the fourth smooth roller, the fourth smooth roller and the second forming roller are matched in different directions to rotate, and when the second forming roller is attached to the fourth smooth roller, the fiber layer and the elastic film-coated non-woven fabric are attached and subjected to hot-pressing composite forming, so that the elastic paper diaper is attached before being manufactured.

Drawings

Fig. 1 is a schematic structural view of a front sticker of an elastic paper diaper according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of the front patch of the elastic paper diaper according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of the front patch of the elastic paper diaper according to another embodiment of the present invention.

Fig. 4 is a view showing an arrangement of the convex portions of the front sheet of the elastic paper diaper according to the embodiment of the present invention.

Fig. 5 is a sectional view of a front patch of an elastic paper diaper according to still another embodiment of the present invention.

Fig. 6 is a perspective view of the front patch of the elastic paper diaper according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a paper diaper of the present invention.

Fig. 8 is a schematic structural view of another diaper of the present invention.

Fig. 9 is a schematic structural view of another diaper of the present invention.

Fig. 10 is a schematic view of a non-woven fabric device structure of the diaper front-facing production device of the present invention.

Fig. 11 is a schematic structural view of a cast film apparatus and a transverse stretching apparatus of the diaper front-attachment manufacturing apparatus of the present invention.

Fig. 12 is a schematic view of the laminating structure of the first smooth roll and the first forming roll of the lateral stretching apparatus shown in fig. 11 according to the present invention.

Fig. 13 is a schematic structural view of the nonwoven fabric layer of the present invention shown in fig. 12 after being rolled by the first smooth roll and the first forming roll of the transverse stretching apparatus.

Fig. 14 is an enlarged schematic view of a portion a shown in fig. 13 according to the present invention.

Fig. 15 is a schematic structural view of a thermal forming and compounding device of the diaper front-facing production device of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1-6 schematically show an elastic diaper front patch according to the invention.

As shown in fig. 1, the front patch of the elastic paper diaper comprises a non-woven fabric layer 3, an elastic film layer 2 and a fiber layer 1, wherein the non-woven fabric layer 3 has transverse shrinkage of at least 200% of peak load, the transverse/longitudinal shrinkage rate of the non-woven fabric layer 3 is 1:2, and the fiber layer 1 and the non-woven fabric layer 3 are respectively combined with the elastic film layer 2 from the upper surface and the lower surface into a whole; the elastic film layer 2 is bonded to the nonwoven fabric layer 3 and the fiber layer 1 in such a manner that the elastic film layer 2 is bonded to the nonwoven fabric layer 3 and the fiber layer 1, respectively, in the transverse direction when tension is applied in the transverse direction. The non-woven fabric layer 3 and the elastic film layer 2 are laminated and compounded, and then the non-woven fabric layer and the fiber layer 1 are subjected to hot pressing and compounding to obtain the elastic paper diaper front sticker with the sandwich integrated structure.

The transverse/longitudinal shrinkage rate of the non-woven fabric layer 3 is 4-6: 1.

The non-woven fabric layer 3 is a point-bonded carded non-woven fabric or a spunlace non-woven fabric produced by filament fibers;

the elastic film layer 2 is an ethylene-propylene copolymer or a styrene block copolymer;

the fiber layer 1 is formed by preforming continuous filament fibers through a die.

As shown in fig. 2, the fiber layer 1 of the front sheet of the elastic paper diaper has protrusions 1a and recesses 1b, the protrusions 1a and the recesses 1b are arranged at intervals, the recesses 1b are closely attached to the elastic film 2, the protrusions 1a protrude from the upper surface of the elastic film 2, and the tops of the protrusions 1a have a planar structure.

As shown in fig. 3, the elastic diaper front patch of another embodiment is different from that of fig. 2 in that the top of the convex portion 1a is provided with a cambered surface structure.

The convex parts on the surface of the fiber layer 1 can be arranged regularly or irregularly. As shown in figure 4, the convex structure of the front patch of the elastic paper diaper,

the convex structures 101 are arranged in a square distribution.

The protrusion structures 102 are arranged in a strip shape.

The convex structures 103 are arranged in a square-shaped distribution in an alternating zigzag manner. The length of the convex structure 103 is 2-5mm, the width is 2-5mm, and the height is 1-3 mm.

The protrusion structures 104 are arranged in diamond-shaped sub-sections.

By adopting the technical scheme, the fiber layer 1 attached to the front of the elastic paper diaper is convenient to bond.

As shown in fig. 5, the front patch of the elastic paper diaper is formed by compounding two different fiber layers 1 with different geometric structures on the surface of an elastic film layer 2, wherein the two different fiber layers 1 with different geometric structures are arranged at intervals. The width of the fiber layer 1 is 5-10cm, the fiber layer 1 is provided with the spacer fiber layer 107, the spacing distance is 3-5cm, the convex part of the spacer fiber layer 107 is of a rectangular structure, the convex parts of the left end fiber layer 105 and the right end fiber layer 106 of the spacer fiber layer 107 are of a structure like a Chinese character 'pin', the structural difference of the convex parts is large, and the identification and the positioning are convenient.

As shown in fig. 6, the front patch of the elastic paper diaper is formed by compounding two different color fiber layers 1 on the surface of an elastic film 2, wherein the two different color fiber layers 1 are arranged at intervals. The width of the fiber layer 1 is 5-10cm, the surface of the fiber layer 1 is provided with a spacer fiber layer 107, the spacing distance is 3-5cm, the spacer fiber layer 107 is primary color, and the left end fiber layer 108 and the right end fiber layer 109 of the spacer fiber layer 107 are colored. The left end fiber layer 108 and the right end fiber layer 109 are formed by printing fiber layers formed by colored fibers or primary color fiber layers, and are different in color and more convenient to identify and position.

The spacer fiber layer 107 is printed with the model and trademark pattern of the diaper product, so that the identification is convenient.

Fig. 7-9 schematically show diapers produced using the elastic diaper front patch of the present invention.

In some embodiments, as shown in fig. 7, the diaper comprises a diaper body 5, ejection hooks 6 connected with two sides of the upper end of the diaper body 5, and a composite material 4 attached to the outer side of the lower end of the diaper body 5, wherein the lower end of the diaper body 5 has a fold structure 501 matched and bonded with the composite material 4, the composite material 4 is made of an elastic diaper front attachment material, and is attached to the composite material 4 along the transverse direction when tension is formed on the lower end of the diaper body 5 along the transverse direction. The fold structure 501 is a wave structure with alternate convex and concave, and matches with the transverse stretching of the composite material 4, when the composite material 4 is stretched to the limit, the fold is flattened and tightly attached to the composite material 4.

In some embodiments, as shown in fig. 8, the other diaper structure includes a front diaper 4, a diaper body 5, and an ejection hook 6, wherein the composite material 401 is attached to the upper end of the diaper body 5, the composite material 401 is made of an elastic diaper front adhesive material, and the upper end of the diaper body 5 has a corrugated structure 502, which is matched and bonded with the composite material 401.

In some embodiments, as shown in fig. 9, the other diaper structure includes a diaper front patch 4, a diaper body 5, an ejection hook 6, and a composite tape 403, one end of the composite tape 403 is connected to one side of the upper end of the diaper body 5, the other end of the composite tape is connected to the ejection hook 6, the composite tape 403 is symmetrically disposed on both sides of the upper end of the diaper body 5, and the composite tape 403 is made of an elastic diaper front patch material.

By adopting the technical scheme, the wearing comfort of the paper diaper can be improved, and the skin of a baby can be well protected from indentation of the paper diaper.

Fig. 10-15 schematically show the production equipment of the front patch of the elastic paper diaper of the invention.

Fig. 10 is a nonwoven fabric apparatus 7 comprising: the thermoplastic raw materials enter the non-woven fabric equipment 7 through the feed inlet 701, are heated by the host system, are sprayed and spread on the conveying mesh belt 702 for conveying; the non-woven fabric device 7 changes thermoplastic raw materials into filament fibers which are used as base materials of the non-woven fabric layer 3 and the fiber layer 1, and more than two feeding holes 701 are arranged;

the thermoplastic raw material is polypropylene;

fig. 11 is a casting film apparatus 8 and a transverse stretching apparatus 9.

The casting film device 8 comprises a feeder 801 and a casting die head 802, wherein the elastomer raw material is heated by the feeder 801 and then flows into the casting die head 802 to form a linear extrusion film curtain, and the elastic film layer 2 is formed after stretching;

the elastomer raw material is ethylene-propylene copolymer or styrene block copolymer;

the transverse stretching equipment 9 comprises a first smooth roller 901 and a first forming roller 902, the first smooth roller 901 and the first forming roller 902 are matched and rotate in different directions, a base material of the non-woven fabric layer 3 is changed into the non-woven fabric layer 3 after one side of the base material is matched and rolled by the first smooth roller 901 and the first forming roller 902, and forming teeth and forming grooves are longitudinally arranged on the outer wall of the first forming roller 902; the elastic laminating non-woven fabric 23 is formed by rolling the non-woven fabric layer 3 and the elastic film layer 2 from one side through the second smooth roller 903 and the third smooth roller 904; a guide smooth roller 905 can be further arranged, and the non-woven fabric layer 3 is more easily rolled and compounded with the elastic film layer 2 after being transmitted by the guide smooth roller 905.

As shown in fig. 12, the rolling structure 9a is a non-woven fabric layer 3 formed by rolling a base material of the non-woven fabric layer 3 by a first smooth roller 901 and a first forming roller 902, forming teeth and forming grooves are longitudinally arranged on an outer wall of the first forming roller 902, the forming teeth and the forming grooves are arranged at intervals, and the forming teeth of two adjacent rows are staggered to form a "product" shape.

Fig. 13 is a view showing a structure of the nonwoven fabric layer 3. Fig. 14 is an enlarged view of a portion a in fig. 13. As can be seen from the figure, after the rolling, the nonwoven layer 3 is rolled and locked in the longitudinal direction and can not be stretched any more, but the

adjacent rolling points

902a, 902b and 902b are staggered with gaps to form a wrinkle-like structure in the transverse direction, so that the nonwoven layer 3 can be stretched in the transverse direction. The elastic film layer 2 is coated on the surface of the non-woven fabric layer 3 to form the elastic coated non-woven fabric 23, due to the elasticity of the elastic film layer 2, the stretching capacity of the elastic coated non-woven fabric 23 is better than that of the non-woven fabric layer 3, and the elastic coated non-woven fabric 23 can be recovered after being stretched.

Fig. 15 is a thermoforming compound device 10, which includes a fourth smooth roller 1001, a second forming roller 1002, and a third forming roller 1003, wherein the outer walls of the second forming roller 1002 and the third forming roller 1003 are axially provided with forming teeth and forming grooves, the forming teeth of the second forming roller 1002 are matched with the forming grooves of the third forming roller 1003, the forming teeth of the third forming roller 1003 are matched with the forming grooves of the second forming roller 1002, the second forming roller 1002 and the third forming roller 1003 are rotated in a different-direction matching manner, the base material of the fiber layer 1 is rolled from one side by the second forming roller 1002 and the third forming roller 1003 in a matching manner to form a convex-concave shaped fiber layer 1, and then is output to the fourth smooth roller 1001; the output side of the second forming roller 1002 is close to the fourth smooth roller 1001, the fourth smooth roller 1001 is a high-temperature smooth roller with a built-in heating device, the elastic film-coated non-woven fabric 23 is conveyed to the second forming roller 1002 through the fourth smooth roller 1001, the fourth smooth roller 1001 and the second forming roller 1002 are matched in a different direction to rotate, and when the second forming roller 1002 is close to the fourth smooth roller 1001, the fiber layer 1 and the elastic film-coated non-woven fabric 23 are attached and subjected to hot-pressing composite forming, so that the front attachment of the elastic paper diaper is manufactured. The forming teeth and the forming grooves are arranged and combined in different modes, and the convex-concave shapes formed after rolling are different, so that the convex parts 1a on the surface of the fiber layer 1 attached to the front part of the produced elastic paper diaper are in various geometric structures including square, rectangle, circle, ellipse, triangle, rhombus and the like or the combination of the structures.

The front-pasting production equipment for the elastic paper diaper adopting the scheme has the advantages of reasonable structure and high production efficiency.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The elastic paper diaper front sticker is characterized by comprising a bottom layer, a middle layer and a surface layer, wherein the bottom layer is a non-woven fabric layer, the middle layer is an elastic film layer, the surface layer is a fiber layer, the non-woven fabric layer has transverse shrinkage of at least 200% of peak load, and the transverse/longitudinal shrinkage rate is at least 1: 2; the fiber layer is provided with continuous convex parts and continuous concave parts, and the fiber layer and the non-woven fabric layer are respectively combined with the elastic film layer from the upper surface and the lower surface into a whole.

2. The front patch of the elastic paper diaper as claimed in claim 1, wherein the elastic film layer is laminated to form an elastic laminated non-woven fabric on the surface of the non-woven fabric layer, and the fiber layer is formed by compounding the fiber layer with the elastic laminated non-woven fabric through hot pressing of a mold.

3. The elastic diaper front patch as claimed in claim 1 or 2, wherein the convex portions and the concave portions are arranged at intervals, the concave portions are attached to the elastic film layer, the convex portions protrude out of the upper surface of the elastic film layer, and the convex portions are in a geometric structure.

4. The front sticker of claim 3, wherein the surface of the elastic film layer is compounded with two different fiber layers with different geometric structures, and the two different fiber layers with different geometric structures are arranged at intervals.

5. The front patch of the elastic paper diaper as claimed in claim 3, wherein the surface of the elastic film layer is compounded with two different color fiber layers, and the two different color fiber layers are arranged at intervals.

6. The front patch of the elastic paper diaper as claimed in claim 1 or 2, wherein the transverse/longitudinal shrinkage rate of the nonwoven fabric layer is 4-6: 1.

7. The elastic diaper topsheet of claim 1 wherein the nonwoven layer is a point-bonded carded or spunlaced nonwoven fabric produced from filament fibers; the elastic film layer is an ethylene-propylene copolymer or a styrene block copolymer; the fiber layer is formed by preforming continuous filament fibers through a die.

8. A paper diaper is characterized by comprising a paper diaper body, ejection hooks connected with two sides of the upper end of the body and a composite material attached to the outer side of the lower end of the body, wherein the lower end of the paper diaper body is provided with a fold structure, the composite material is the elastic paper diaper front sticker disclosed by any one of claims 1-6, and when tension is formed at the lower end of the paper diaper body along the transverse direction, the composite material is attached to the composite material along the transverse direction.

9. A paper diaper is characterized by comprising a paper diaper body, a front sticker attached to the outer side of the lower end of the body, an ejection hook and a composite belt, wherein one end of the composite belt is connected with one side of the upper end of the paper diaper body, the other end of the composite belt is connected with the ejection hook, the composite belt is symmetrically arranged on two sides of the upper end of the paper diaper body, and the composite belt is the elastic front sticker of any one of claims 1-6.