CN210158794U - Pull-up pants with openings arranged at upper end and lower end of elastic waist - Google Patents
Pull-up pants with openings arranged at upper end and lower end of elastic waist Download PDFInfo
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- CN210158794U CN210158794U CN201920339157.5U CN201920339157U CN210158794U CN 210158794 U CN210158794 U CN 210158794U CN 201920339157 U CN201920339157 U CN 201920339157U CN 210158794 U CN210158794 U CN 210158794U
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Abstract
The utility model discloses a pair of pull-up pants with an opening arranged at the upper end and the lower end of an elastic waist. The pull-up pants comprise a composite absorption sheet, a front elastic waist part and a rear elastic waist part, wherein the front elastic waist part and the rear elastic waist part comprise double-layer non-woven fabrics and a plurality of elastic bands, the elastic bands are sealed between the two layers of non-woven fabrics through thermal welding points formed by ultrasonic waves or a hot pressing roller device, and the upper end and the lower end of the front elastic waist part and/or the rear elastic waist part are/is provided with opening areas; the opening area is a no-heat-welding-point area. The utility model discloses under the prerequisite of guaranteeing that this pull-up diaper does not drop when using, can the lasting dynamic laminating to the waistline that can also make pull-up diaper can play automatic elasticity regulatory action along with user's waist belly changes easily, is fit for the baby of bigger waistline and thicker leg girth, avoids reining tender skin of baby, also can further reduce the sizing amount simultaneously, and ventilation effect is better, reaches the elasticity waist and more is soft, comfortable effect.
Description
Technical Field
The utility model belongs to the technical field of absorb articles for use. And more particularly, to pull-up pants having elastic waist portions provided with openings at upper and lower ends thereof.
Background
The absorbent article functions to store and isolate the exudates from the body, clothing, bedding, etc. of the wearer. Pull-up pants, also known as pant-type diapers, are generally of two-piece and three-piece construction. Two formula pull-up diaper, front and back elasticity waist are continuous same piece of material, and the combination is got up with the composite absorption piece, is called two formula pull-up diaper, and two formula pull-up diaper's elasticity waist is close to crotch portion and has the arc to cut, forms pleasing to the eye crotch portion arc limit, and the product is pleasing to the eye, but the elasticity waist material that needs to use is many, therefore the cost is higher. The three-piece pull-up pants are called three-piece pull-up pants, in which the front elastic waist portion and the rear elastic waist portion are separated and the front elastic waist portion and the rear elastic waist portion are combined with the composite absorption sheet.
In the two-piece or three-piece pull-up pants which are currently commercially available, in order to prevent the pull-up pants from falling off, the upper and lower end parts of the front and rear elastic waist parts are welded together at the side edges of the elastic waist part of the pull-up pants by using heat welding points formed by ultrasonic waves or hot press roller devices, so that the pull-up pants which are pants-type paper diapers and can be directly put on and taken off are formed. However, the junction between the front waistline region and the rear waistline region of the pull-up diaper is inevitably thickened by the processing method, so that the air permeability and the flexibility of the pull-up diaper are poor, the pull-up diaper is uncomfortable after being worn for a long time, and sweat is often generated by covering the pull-up diaper. However, the elastic regions are formed by laminating two or more layers of non-woven fabric with elastic threads sandwiched therebetween, and the thickness thereof is difficult to further reduce due to structural limitations. Meanwhile, the pull-up pants on the market are not stable enough for wrapping the buttocks, so that the pull-up pants are easy to deform and slide down when holding a child, but the skin of the child is delicate, and the skin of the child is easy to produce tightening marks or red marks after the over-tight elastic area shrinks, so that the comfort performance of the pull-up pants is greatly reduced. Especially for the baby with thick legs or thick waist, the strange mark is easily formed at the waist or around the thigh, which causes the red mark and other phenomena. Therefore, there is a need to design a pair of breathable and comfortable pull-up pants, which can not only enable the elastic region to have an automatic tightness adjusting function along with the changes of the waist and the abdomen of a user, and avoid the skin from generating tightening marks or red marks when the user wears the pull-up pants.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above-mentioned prior art's defect and not enough, provide an elasticity waist upper and lower extreme and be provided with open-ended pull-up diaper, its structure to the waistline improves, makes it ventilative comfortable, and difficult landing, and can play automatic elasticity regulating action along with user's waist belly change, can reach the elasticity waist and more be soft, comfortable effect, be difficult to produce the injury to the tender skin of baby's child.
The utility model discloses above-mentioned purpose is realized through following technical scheme:
a pull-up diaper with openings at the upper end and the lower end of an elastic waist part comprises a composite absorption sheet and an elastic waist part, wherein the elastic waist part comprises a front elastic waist part and a rear elastic waist part, the composite absorption sheet is arranged at the crotch position between the front elastic waist part and the rear elastic waist part, the front elastic waist part and the rear elastic waist part comprise double-layer non-woven fabrics and a plurality of elastic band belts, the elastic band belts are sealed between the two-layer non-woven fabrics through a thermal welding point formed by ultrasonic waves or a hot pressing roller device, and the upper end and the lower end of the front elastic waist part and/or the lower end of the rear elastic waist part are/; the opening area is a no-heat-welding-point area.
The utility model provides a lower extreme is provided with open-ended pull-up diaper on elasticity waist, the last lower extreme of elasticity waist and/or back elasticity waist is provided with the opening district in the front, the last lower extreme of elasticity waistline is provided with no hot welding point district respectively promptly, thereby make pull-up diaper's waistline can play automatic elasticity regulatory action along with user's abdomen change easily, be fit for the baby of bigger waistline and thicker leg circumference, avoid reining wounded baby's tender skin, also can further reduce the sizing amount simultaneously, ventilation effect is better, it is more soft to reach the elasticity waist, comfortable effect.
Further, in a preferred embodiment of the present invention, the elastic contractive force of the elastic material at the overlapped portion of the elastic waist and the composite absorbent sheet is smaller than the elastic contractive force of the elastic material at other portions of the elastic waist, so that the pull-up diaper can be permanently and dynamically attached without falling off during use.
Further, in a preferred embodiment of the present invention, the bonding strength of the heat-welded point regions of the front and rear elastic waist portions is 1500gf/50mm or more. Therefore, the stability of the elastic band can be ensured, and the elastic band is not easy to deviate and deform in the using process.
Further, in a preferred embodiment of the present invention, the length of the no-heat-welding-point region is 3 to 20 mm. Thus, the waistline space can be fully utilized, and the glue application amount on the elastic waistline is further reduced.
Furthermore, in a preferred embodiment of the present invention, the length of the no-heat-welding-point region is 8 to 12 mm.
Further, in a preferred embodiment of the invention, the inner and outer layers of non-woven fabrics are provided with a plurality of air-permeable micropores, and the air-permeable micropores are arranged between the elastic bands on the non-woven fabrics.
Further, in a preferred embodiment of the present invention, the nonwoven fabric is an elastic nonwoven fabric.
Further, in a preferred embodiment of the present invention, the area of the air-permeable micro-holes accounts for 12% to 24% of the area of the nonwoven fabric. Therefore, the elastic waistline has unique ventilation micropores, the stretching capacity of the elastic waistline is not influenced, the stability of the elastic band is not influenced, and the ventilation efficiency can be greatly improved.
Further, in a preferred embodiment of the present invention, the area of the air-permeable micro-holes accounts for 15% to 20% of the area of the nonwoven fabric.
Further, in a preferred embodiment of the present invention, the distribution density of the elastic bands at the top end of the elastic waistline is greater than the distribution density of the elastic bands at the bottom end of the elastic waistline. Is used for preventing the phenomenon that the back elastic waist part falls off in the using process.
Further, in a preferred embodiment of the present invention, the elastic bands are perpendicular to the longitudinal length direction of the composite absorbent sheet, and every two adjacent elastic bands are arranged in parallel.
Further, in a preferred embodiment of the present invention, the front elastic waist portion and the back elastic waist portion are two separate pieces of elastic material or a single piece of elastic material; the stretch ratio of the elastic material is 1.8-3.2.
Further, in a preferred embodiment of the present invention, the composite absorbent sheet comprises a liquid-permeable top sheet, a liquid-impermeable side-leakage-preventing layer, a liquid-impermeable back sheet, and an absorbent layer disposed between the liquid-permeable top sheet and the liquid-impermeable back sheet.
Compared with the prior art, the utility model has the following outstanding advantage:
the utility model discloses elasticity waist and/or the last lower extreme of back elasticity waist are provided with the opening district in the front, the last lower extreme of elasticity waistline is provided with no hot welding point district respectively promptly, thereby make the waistline of pull-up trousers can play automatic elasticity regulatory action along with user's abdomen portion change easily, be fit for the baby of bigger waistline and thicker leg girth, avoid hurting baby's delicate skin, also can further reduce the volume of glue application simultaneously, ventilation effect is better, it is more soft to reach the elasticity waist, comfortable effect. In addition, the elastic contractive force of the elastic material at the overlapped part of the elastic waistline and the composite absorption sheet is smaller than the elastic contractive force of the elastic material at other parts of the elastic waistline, so that the pull-up diaper can be permanently and dynamically attached on the premise of ensuring that the pull-up diaper does not fall off when in use.
Drawings
Fig. 1 is a schematic view showing the structure of a pull-up diaper having openings at the upper and lower ends of an elastic waist portion according to embodiment 1.
Fig. 2 is a schematic view showing the structure of a pull-up diaper of embodiment 2 in which the upper and lower ends of the elastic waist portion are provided with openings.
In fig. 1: a 10-front elastic waist; a 20-rear elastic waist; a 30-composite absorbent sheet; a 31-liquid permeable topsheet; a 32-liquid impermeable side leakage prevention layer; a 33-liquid impermeable backsheet; a 34-absorbent layer; a40-elastic band; a 50-crotch O-shaped cut-out region; a 60-left side opening area on elastic waist; a 61-right side opening area on elastic waist; a62-lower left side opening area of elastic waist; a63-lower right side opening area of elastic waist; a 70-elastic waist left side heat weld zone; a 71-elastic waist right side heat weld zone.
In fig. 2: b10-front elastic waist; b20-rear elastic waist; b30-composite absorbent sheet; b31-liquid permeable topsheet; b32-liquid impermeable side-leakage prevention layer; b33-liquid impermeable back sheet; b34-absorbent layer; b40-elastic band; b50-left side opening area on elastic waist; b51-right side opening area on elastic waist; b52-lower left side opening area of elastic waist; b53-elastic waist lower right side opening area; b60-elastic waist left side heat weld zone; b61-elastic waist right side heat weld zone.
Detailed Description
The technical solutions in the embodiments of the present invention will be further described in detail and fully with reference to the following specific embodiments, and it should be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1A two-piece pull-up pants having an elastic waist portion provided at the upper and lower ends thereof with openings
As shown in fig. 1, the present embodiment provides a two-piece pull-up pant having elastic waist portions provided with openings at the upper and lower ends thereof, comprising a front elastic waist portion a10, a rear elastic waist portion a20, and a composite absorbent sheet a 30. The composite absorbent sheet A30 is composed of a liquid-permeable topsheet A31, a liquid-impermeable side-leakage-preventing layer A32, a liquid-impermeable backsheet A33 and an absorbent layer A34. The front elastic waist part A10 and the rear elastic waist part A20 are made of an integrated material and are formed by compounding an inner layer of non-woven fabric and an outer layer of non-woven fabric of the elastic waist part and an elastic band A40 through hot melt adhesive, and the elastic band A40 is spandex yarn; meanwhile, an O-shaped cutting area A50 is arranged on the crotch area in order to increase the fit of the product.
The composite absorbent sheet A30 is compounded at the crotch between the front elastic waist A10 and the back elastic waist A20 through a hot melt adhesive layer, the front elastic waist A10 and the back elastic waist A20 are provided with folding sheets, and the folding sheets are folded and covered on the liquid-permeable top layer A31 and the liquid-impermeable side leakage-proof layer A32 of the composite absorbent sheet A30, so that the sealed adhesion of the front elastic waist A10, the back elastic waist A20 and the composite absorbent sheet A30 is realized; meanwhile, the pull-up pants are formed into a pant-type closed diaper by folding the front elastic waist portion a10 and the rear elastic waist portion a10 in half and then thermally welding points a70 and a71 by ultrasonic waves or a heat pressure roller device.
In the embodiment, the elastic band A40 is vertical to the longitudinal length direction of the composite absorption sheet A30, and every two adjacent elastic bands A40 are arranged in parallel; the distribution density of the elastic band A40 at the top end of the elastic waistline is greater than that of the elastic band at the bottom end of the elastic waistline A40; the elastic contractive force of the elastic material at the portion where the elastic waist portion overlaps with the composite absorbent sheet a30 is smaller than the elastic contractive force of the elastic material at the other portion of the elastic waist portion. On the premise of ensuring that the pull-up pants do not fall off when in use, the pull-up pants can be permanently and dynamically attached, and the phenomenon that the back elastic waist falls off in the use process can be prevented; meanwhile, the upper end and the lower end of the front elastic waist part A10 and the lower end of the rear elastic waist part A20 are provided with opening areas A60/A61/A62/A63, the opening areas A60/A61/A62/A63 are heat-free welding point areas, and the length of each heat-free welding point area is 3-20 mm, preferably 8-12 mm. Make the waistline of pull-up pants can play automatic elasticity regulatory action along with user's waist belly change easily like this, be fit for the baby of bigger waistline and thicker leg girth, avoid hurting baby's delicate skin, and make the sizing volume on the elastic waistline further reduce.
In this embodiment, the bonding strength of the heat-welded point regions A70/A71 of the front elastic waist portion A10 and the rear elastic waist portion A20 is 1500gf/50mm or more. Therefore, the stability of the elastic band A40 can be ensured, and the elastic band A40 is not easy to deviate and deform in the using process.
In the present embodiment, the stretch ratio of the front elastic waist portion A10 to the rear elastic waist portion A20 is 1.8 to 3.2.
In the embodiment, the inner and outer layers of non-woven fabrics are provided with a plurality of air-permeable micropores which are arranged between the elastic band A40 and the elastic band A40 on the non-woven fabrics; the area of the air-permeable micropores accounts for 12-24%, preferably 15-20% of the area of the non-woven fabric. Therefore, the elastic waistline has unique ventilation micropores, the stretching capacity of the elastic waistline is not influenced, the stability of the elastic band is not influenced, and the ventilation efficiency can be greatly improved.
In the embodiment, on the premise of ensuring that the pull-up pants do not fall off when in use, the pull-up pants can be permanently and dynamically attached, and the phenomenon that the back elastic waist falls off in the use process can be prevented; in addition, the upper end and the lower end of the front elastic waist part and/or the rear elastic waist part are/is provided with an opening area, namely, the upper end and the lower end of the elastic waist part are/is respectively provided with a heat-free welding point area, so that the waist of the pull-up pants can easily change along with the waist and the abdomen of a user to play a role in automatic tightness adjustment, the pull-up pants are suitable for babies with larger waist and thicker leg circumferences, the delicate skin of the babies is prevented from being hurt, the glue application amount can be further reduced, the ventilation effect is better, and the effect that the elastic waist part is softer and more comfortable is achieved.
Example 2A three-piece pull-up pants having an elastic waist portion with openings at the upper and lower ends thereof
As shown in fig. 2, the present embodiment provides a three-piece pull-up pant having elastic waist portions provided with openings at the upper and lower ends thereof, comprising front elastic waist portions B10, rear elastic waist portions B20, and composite absorbent sheets B30. The composite absorbent sheet B30 is composed of a liquid-permeable top sheet B31, a liquid-impermeable side leakage-proof layer B32, a liquid-impermeable bottom sheet B33 and an absorbent layer B34. The front elastic waist part B10 and the back elastic waist part B20 are separated, the front elastic waist part B10, the back elastic waist part B20 and the composite absorption sheet B30 are in sealing joint through hot melt adhesive layers, an inner layer non-woven fabric, an outer layer non-woven fabric and a plurality of elastic band B40 are arranged on the front elastic waist part B10 and the back elastic waist part B20, and the elastic band B40 is sealed between the two layers of non-woven fabrics through hot welding points formed by ultrasonic waves or hot pressing roller devices. The elastic band A40 is made of spandex filament.
The composite absorbent sheet B30 is compounded at the crotch between the front elastic waist B10 and the back elastic waist B20 through a hot melt adhesive layer, the front elastic waist B10 and the back elastic waist B20 are provided with folding sheets, and the folding sheets are folded and covered on the liquid-permeable top layer B31 and the liquid-impermeable side leakage-proof layer B32 of the composite absorbent sheet B30, so that the sealed adhesion of the front elastic waist B10, the back elastic waist B20 and the composite absorbent sheet B30 is realized; meanwhile, the pull-up pants are formed into a pant-type closed diaper by folding the front elastic waist portion B10 and the rear elastic waist portion B10 in half and then thermally welding the welded points B60 and B61 using ultrasonic waves or a heat pressure roller device.
In the embodiment, the elastic band B0 is vertical to the longitudinal length direction of the composite absorption sheet B30, and every two adjacent elastic bands B40 are arranged in parallel; the distribution density of the elastic band B40 at the top end of the elastic waistline is greater than that of the elastic band at the bottom end of the elastic waistline B40; the elastic contractive force of the elastic material at the portion where the elastic waist portion overlaps with the composite absorbent sheet B30 is smaller than the elastic contractive force of the elastic material at the other portion of the elastic waist portion. On the premise of ensuring that the pull-up pants do not fall off when in use, the pull-up pants can be permanently and dynamically attached, and the phenomenon that the back elastic waist falls off in the use process can be prevented; meanwhile, the upper end and the lower end of the front elastic waist part B10 and the lower end of the rear elastic waist part B20 are provided with opening areas B50/B51/B52/B53, the opening areas B50/B51/B52/B53 are heat-free welding point areas, and the length of each heat-free welding point area is 3-20 mm, preferably 8-12 mm. Make the waistline of pull-up pants can play automatic elasticity regulatory action along with user's waist belly change easily like this, be fit for the baby of bigger waistline and thicker leg girth, avoid hurting baby's delicate skin, and make the sizing volume on the elastic waistline further reduce.
In this embodiment, the bonding strength of the heat-welded point regions B60/B61 of the front elastic waist portion B10 and the rear elastic waist portion B20 is 1500gf/50mm or more. Therefore, the stability of the elastic band B40 can be ensured, and the elastic band B40 is not easy to deviate and deform in the using process.
In the present embodiment, the stretch ratio of the front elastic waist portion B10 to the rear elastic waist portion B20 is 1.8 to 3.2.
In the embodiment, the inner and outer layers of non-woven fabrics are provided with a plurality of air-permeable micropores which are arranged between the elastic band B40 and the elastic band B40 on the non-woven fabrics; the area of the air-permeable micropores accounts for 12-24%, preferably 15-20% of the area of the non-woven fabric. Therefore, the elastic waistline has unique ventilation micropores, the stretching capacity of the elastic waistline is not influenced, the stability of the elastic band is not influenced, and the ventilation efficiency can be greatly improved.
The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, etc. made within the protection scope of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pull-up diaper with an opening at the upper end and the lower end of an elastic waist part comprises a composite absorption sheet and an elastic waist part, wherein the elastic waist part comprises a front elastic waist part and a rear elastic waist part, the composite absorption sheet is arranged at the crotch position between the front elastic waist part and the rear elastic waist part, the front elastic waist part and the rear elastic waist part comprise double-layer non-woven fabrics and a plurality of elastic band belts, and the elastic band belts are sealed between the two layers of non-woven fabrics through a thermal welding point formed by ultrasonic waves or a hot pressing roller device; the opening area is a no-heat-welding-point area.
2. The pull-up pant of claim 1, wherein the elastic contractive force of the elastic material at the portion where the elastic waist circumference overlaps with the composite absorbent sheet is smaller than the elastic contractive force of the elastic material at other portions of the elastic waist circumference; the bonding strength of the thermal welding point regions of the front elastic waist portion and the rear elastic waist portion is more than or equal to 1500gf/50 mm.
3. The pull-up pants according to claim 1, wherein the inner and outer layers of non-woven fabric are provided with a plurality of air permeable pores, and the air permeable pores are arranged between the elastic bands on the non-woven fabric.
4. The pull-up pant of claim 3, wherein the breathable micropores comprise 12% to 24% of the area of the nonwoven.
5. The pull-up pant of claim 4, wherein the area of the breathable micropores accounts for 15% to 20% of the area of the nonwoven.
6. The pull-up pant of claim 1, wherein the elastic band distribution density at the top end of the elastic waist circumference is greater than the elastic band distribution density at the bottom end of the elastic waist circumference.
7. The pull-up pant of claim 1, wherein the elastic bands are perpendicular to a longitudinal length direction of the composite absorbent sheet, and every two adjacent elastic bands are arranged in parallel.
8. The pull-up pant of claim 1, wherein the length of the no heat weld zone is 3 to 20 mm.
9. The pull-up pant of claim 8, wherein the length of the non-heat-welded zone is 8-12 mm.
10. The pull-up pant of any one of claims 1 to 9, wherein the front elastic waist portion and the back elastic waist portion are two separate pieces of elastic material or a unitary piece of elastic material; the stretch ratio of the elastic material is 1.8-3.2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339157.5U CN210158794U (en) | 2019-03-15 | 2019-03-15 | Pull-up pants with openings arranged at upper end and lower end of elastic waist |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339157.5U CN210158794U (en) | 2019-03-15 | 2019-03-15 | Pull-up pants with openings arranged at upper end and lower end of elastic waist |
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| CN210158794U true CN210158794U (en) | 2020-03-20 |
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| CN201920339157.5U Active CN210158794U (en) | 2019-03-15 | 2019-03-15 | Pull-up pants with openings arranged at upper end and lower end of elastic waist |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112057666A (en) * | 2020-09-24 | 2020-12-11 | 杭州比因美特实业有限公司 | Preparation method of infant pull-up pants |
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2019
- 2019-03-15 CN CN201920339157.5U patent/CN210158794U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112057666A (en) * | 2020-09-24 | 2020-12-11 | 杭州比因美特实业有限公司 | Preparation method of infant pull-up pants |
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