CN219941026U - Hot-air waistline pull-up pants easy to weld - Google Patents

Abstract

The utility model provides a pair of hot-air waistline pull-up trousers easy to weld, which relates to the technical field of absorbent articles and comprises a liquid-permeable top layer, a liquid-impermeable side leakage-proof layer, a liquid-impermeable bottom layer, an inner part consisting of an absorption layer, and a front elastic waist part and a rear elastic waist part of a hot-air non-woven fabric outer waistline structure, wherein the front elastic waist part and the rear elastic waist part form a closed trousers body structure through heat welding areas which are folded in half and arranged on the side edges. In the utility model, because the outer waistline hot air non-woven fabric is not folded and inserted between the front elastic waist part and the rear elastic waist part or is inserted between the front elastic waist part and the rear elastic waist part in a small size, the material components melted in the hot welding area are mainly not hot air non-woven fabrics, but two or more than two more stable PP spunbonded non-woven fabrics are welded, and the number of waistline materials in the welding position is reduced, in particular to the number of layers of the fluffy hot air non-woven fabrics.

Description

Hot-air waistline pull-up pants easy to weld

Technical Field

The utility model relates to the technical field of moisture absorbing articles, in particular to a pair of hot air waistline pull-up trousers easy to weld.

Background

Infants and other individuals who do not have a self-care or menstrual women often need to wear absorbent articles, such as pant diapers, menstrual pants, and the like, which function to store and isolate the exudates from the body, clothing, bedding, and the like of the wearer.

At present, the absorbent article mainly comprises a liquid-permeable top layer, a liquid-impermeable side-leakage-preventing side-separating layer, a liquid-impermeable bottom layer, an absorption layer, a front elastic waist part and a rear elastic waist part, wherein the front elastic waist part and the rear elastic waist part of a pants-type diaper such as a general pull-up pants or menstrual pants are formed by directly compounding an outer waistline non-woven fabric, an inner waistline non-woven fabric and elastic filaments, the outer waistline non-woven fabric extends to the position between the front elastic waist part and the rear elastic waist part through folding, and meanwhile, a closed pants body structure is formed through a heat welding area formed by folding and side edges. If the hot air non-woven fabric is used as the outer waistline, the thickness of the material layer at the folding and extending position is caused, the heat conduction speed is low, and the melting point of the PET layer of the fiber of the hot air non-woven fabric is high, so that the welding strength of the side edges of the waistline is lower or the production speed has to be reduced because of the higher welding strength, and the production capacity is greatly reduced. Accordingly, one skilled in the art provides an easy-to-weld hot air waistline pull-up diaper to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a pair of hot air waistline pull-up trousers easy to weld.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an easy welded hot-blast waistline pull-up diaper, includes the liquid permeability top layer, the surface fixed mounting on liquid permeability top layer has the liquid impermeable bottom, the absorbed layer is installed to the inboard on liquid impermeable bottom, the surface fixed mounting on liquid impermeable bottom has preceding elastic waist part and back elastic waist part, preceding elastic waist part and back elastic waist part are by interior waistline non-woven fabrics, outer waistline hot air method non-woven fabrics, elastic component, front and back waistline tip non-woven fabrics, waistline inboard cover non-woven fabrics composite stack form, outer waistline hot air method non-woven fabrics fold and alternate to preceding elastic waist part and back elastic waist part's size be 0-30mm.

In order to improve experience, the utility model is improved in that the inner parts of the front elastic waist part and the rear elastic waist part are provided with spandex silk bodies and fine denier spandex silk composite cloth.

In order to improve the universality, the utility model is improved in that the inner sides of the front elastic waist part and the rear elastic waist part are provided with waistline inner side covering non-woven fabrics.

In order to facilitate the use, the utility model is improved in that the front elastic waist part and the rear elastic waist part are internally provided with front waistline end non-woven fabrics and rear waistline end non-woven fabrics.

In order to improve the welding strength, the utility model improves that the inner waistline non-woven fabric or the waistline inner side covering non-woven fabric extends between the whole front elastic waist part and the rear elastic waist part, namely, all spandex filaments covered on the elastic waist part completely or mostly are covered, so that the contact surface of the spandex filaments and the skin is made of at least 2 layers of materials, the skin scraping feeling of rubber strings can be effectively reduced, and meanwhile, the side welding strength of pull-up trousers products can be greatly improved due to the fact that the side welding position is the inner waistline non-woven fabric or the waistline inner side covering non-woven fabric which is made of four layers of the same materials. In addition, an arc-shaped cut can be arranged at the overlapping position of the fully-extended inner waistline non-woven fabric or the waistline inner side covering non-woven fabric and the inner part.

In order to be softer and more comfortable, the utility model is improved in that the inner waistline non-woven fabric or the waistline inner side covering non-woven fabric extends between the whole front elastic waist part and the rear elastic waist part, namely, all spandex filaments of the elastic waist part are covered completely or mostly, so that the contact surface of the spandex filaments and the skin is made of at least more than 2 layers of materials, the skin scraping sense of rubber bands can be effectively reduced, and meanwhile, the side welding positions of the side edge of the inner waistline non-woven fabric or the waistline inner side covering non-woven fabric are four layers of the same material, and the side edge welding strength of a pull-up trousers product can be greatly improved. In addition, the fully-extended inner waistline nonwoven fabric or the waistline inner side covering nonwoven fabric and the inner covering nonwoven fabric can be provided with arc-shaped cuts, and the waistline inner side covering nonwoven fabric can be arranged between the inner waistline nonwoven fabric and the liquid-impermeable bottom layer or the inner waistline nonwoven fabric can be cut into two halves, wherein a small section is arranged between the inner waistline nonwoven fabric and the liquid-impermeable bottom layer. Meanwhile, the S-shaped rubber band with the gear lifting effect and the lifting rubber band at the built-in position can be arranged on the front elastic waist part and the rear elastic waist part. The arrangement mode and the number of the front and back elastic waist elastic bands can be flexibly arranged according to the elastic requirements and the appearance.

In order to facilitate fixation, the utility model is improved in that a seam thermal welding point is arranged at the overlapping seam position of the inner waistline non-woven fabric and the waistline inner side covering non-woven fabric and the outer waistline hot air non-woven fabric. The joint thermal welding point is an ultrasonic joint thermal welding point or a thermal welding point at a thermal roller joint, and the joint thermal welding point is a geometric combination figure of welding points formed by the joint thermal welding points in round, oval, sesame type, approximate round, diamond, triangle, rectangle or other shapes.

In order to improve the practicability, the utility model improves that the elastic component is at least one of elastic wires, elastic films, elastic film composite cloth and elastic wire composite cloth. The elastic filaments are spandex filaments or other polymer elastic filaments. The elastic film is a polyurethane elastic film or other polymer elastic films. The elastic film composite cloth is double-layer or three-layer composite cloth of non-woven cloth and elastic film, and the elastic yarn composite cloth is double-layer or three-layer composite cloth of non-woven cloth and elastic yarn. The composite cloth can also be multi-elastic structure composite cloth consisting of an elastic film, elastic yarns and non-woven fabrics.

In order to improve the practicability, the utility model is improved in that the outer waistline hot air method nonwoven folding and inserting area is formed by arranging the outer waistline hot air method nonwoven folding and inserting area between the front elastic waist part and the rear elastic waist part, and the size of the outer waistline nonwoven folding and inserting area is less than or equal to 30mm, and more preferably less than or equal to 10mm.

In order to improve the practicability, the utility model improves at least one of the inner waistline non-woven fabric and the waistline inner side covering non-woven fabric to extend completely between the whole front elastic waist component and the whole back elastic waist component.

Compared with the prior art, the utility model has the advantages and positive effects that,

in the utility model, because the outer waistline hot air non-woven fabric is not folded and inserted between the front elastic waist part and the rear elastic waist part or is inserted between the front elastic waist part and the rear elastic waist part in a small size, the molten material components of the thermal welding area are mainly not the hot air non-woven fabric, but two or more layers of more stable PP (polypropylene) spun-bond non-woven fabrics or PE/PP sheath-core spun-bond non-woven fabrics or other spun-melt non-woven fabrics are welded, and the number of waistline material layers at the welding position is reduced, in particular to the number of layers of the looser hot air non-woven fabrics, the thermal conduction rate of a thermal welding knife or ultrasonic welding can be greatly improved, the side welding force of the elastic waist can be effectively improved, and the product cost of the hot air waistline pant diaper can be reduced by using less hot air non-woven fabrics.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of a pair of hot air waistline pull-up pants according to the present utility model;

fig. 2 is a schematic cross-sectional view of a second embodiment of a pair of hot-air waistline pull-up pants according to the present utility model;

FIG. 3 is a schematic view of a third cross-section of an embodiment of a pair of hot air waistline pull-up pants according to the present utility model;

fig. 4 is a schematic cross-sectional view of a welded hot air waistline pull-up diaper according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a fifth cross-section of an embodiment of a pair of hot-air waistline pull-up pants according to the present utility model;

fig. 6 is a schematic diagram of a sixth cross-section of an embodiment of a pair of hot-air waistline pull-up pants according to the present utility model;

fig. 7 is a schematic diagram of a seventh cross-section of an embodiment of a pair of hot-air waistline pull-up pants according to the present utility model;

fig. 8 is an eight-section schematic view of an embodiment of a welding-facilitating hot air waistline pull-up diaper according to the present utility model;

fig. 9 is a schematic diagram of a ninth cross-section of an embodiment of a pair of hot air waistline pull-up pants according to the present utility model;

fig. 10 is a schematic cross-sectional view of an embodiment of a pair of hot-air waistline pull-up pants with easy welding according to the present utility model;

fig. 11 is a schematic diagram of eleven cross-sections of an embodiment of a pair of hot air waistline pull-up pants according to the present utility model;

fig. 12 is a schematic diagram showing twelve cross sections of an embodiment of a pair of hot air waistline pull-up pants with easy welding according to the present utility model;

fig. 13 is a schematic cross-sectional view of a thirteenth embodiment of a pair of hot-air waistline pull-up pants according to the present utility model.

Legend description:

1. a liquid permeable top layer; 2. a liquid impermeable back sheet; 3. an absorption layer; 4. a spandex filament body; 5. fine denier spandex filament composite cloth; 6. a non-woven fabric with external waistline hot air method; 7. an inner waistline nonwoven fabric; 8. front and rear waistline end nonwoven fabrics; 9. the inner side of the waistline is covered with a non-woven fabric; 10. an outer waistline nonwoven fabric fold region; 11. a hot welding point at the joint; 12. a front elastic waist feature; 13. a rear elastic waist feature; 15. an interior component; 16. the outer waistline nonwoven fabric folds and penetrates the area.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1, the present utility model provides a technical solution: an easy-to-weld hot air waistline pull-up pants comprises a liquid-permeable top layer 1, a liquid-impermeable bottom layer 2, an inner part 15 consisting of an absorption layer 3, a front elastic waist part 12 and a rear elastic waist part 13 of a hot air non-woven fabric outer waistline structure. The front elastic waist member 12 and the rear elastic waist member 13 form a closed pant structure by folding in half and arranging heat welding areas on the side edges, and the outer waistline hot air non-woven fabric 6 is arranged between the front elastic waist member 12 and the rear elastic waist member 13 in an unfolding and inserting manner. Because the material layers arranged on the front elastic waist portion 12 and the rear elastic waist portion 13 are symmetrically arranged, in the illustration, the main mark is on the front elastic waist portion 12, and the outer waistline hot air nonwoven 6 is folded and inserted into the front elastic waist portion 12 and the rear elastic waist portion 13, and the size is 0-30mm.

The front elastic waist part 12 and the rear elastic waist part 13 are formed by combining an inner waistline non-woven fabric 7, an outer waistline hot air non-woven fabric 6, spandex filaments 4 and a waistline inner side covering non-woven fabric 9, and the spandex filaments 4 are arranged at the folding position of the waistline end part of the inner waistline non-woven fabric 7.

Wherein, the inner waistline nonwoven 7 is longer than the outer waistline hot air nonwoven 6, the inner waistline nonwoven 7 is folded and extended between the front elastic waist member 12 and the back elastic waist member 13, and is covered and fixed on the inner member 15 by hot melt adhesive.

Wherein, the overlapping seam position of the inner waistline non-woven fabric 7 and the outer waistline hot air non-woven fabric 6 is provided with a hot welding point 11 with a small circular seam. The pattern of the thermal welding points 11 at the joint is the combined beautiful pattern of the thermal welding points 11 at the joint.

As a further optimization scheme, the outer waistline hot air method non-woven fabric 6, the inner waistline non-woven fabric 7 and the spandex filaments 4 are formed by laminating and compounding a hot melt adhesive, wherein the non-woven fabric 9 is covered on the inner side of the waistline. The hollow areas are arranged between the two adjacent hot melt adhesives, so that the front elastic waist 12 and the rear elastic waist 13 are endowed with better handfeel and comfort.

Fig. 2 is a structural diagram of a product in the second embodiment of the present patent, as shown in fig. 2, the difference between the second embodiment and the first embodiment is that the outer waistline hot air nonwoven 6 is folded and inserted between the front elastic waist member 12 and the rear elastic waist member 13 to form an outer waistline nonwoven folding and inserting region 16, the outer waistline nonwoven folding and inserting region 16 has a size of 10-20mm, the thermal welding 11 points are arranged inside the front elastic waist member 12 and the rear elastic waist member 13, and the inner waistline nonwoven 7 extends between the whole front elastic waist member 12 and the whole rear elastic waist member 13, i.e. completely covers or mostly covers all spandex filaments of the elastic waist.

Fig. 3 is a structural diagram of a product in the third embodiment of the present patent, as shown in fig. 3, the difference between the third embodiment and the first embodiment is that the outer waistline hot air nonwoven 6 is folded towards the inner waistline nonwoven 7 to form an outer waistline nonwoven folding region 10 of 30mm, 2-3 spandex filaments near the ends of the front elastic waist 12 and the rear elastic waist 13 are arranged in the inner folding region of the inner waistline nonwoven 7, and a hollow glue-free region is arranged at the outer waistline nonwoven folding region 10 of the outer waistline hot air nonwoven 6, so that the comfort of the waistline end is improved, the outer waistline nonwoven folding region 10 is not inserted between the front elastic waist 12 and the rear elastic waist 13, and the inner waistline nonwoven 7 extends to the whole space between the front elastic waist 12 and the rear elastic waist 13.

Fig. 4 is a structural diagram of the product in the fourth embodiment of the present patent, and as shown in fig. 4, the difference between the fourth embodiment and the third embodiment is that the end of the folded position of the inner waistline nonwoven 7 is flush with the folded end of the outer waistline nonwoven 6 by hot air or hidden inside the front elastic waist member 12 and the rear elastic waist member 13, and the inner waistline nonwoven 7 only extends to the end of the liquid permeable top layer 1.

Fig. 5 is a structural diagram of a product in the fifth embodiment of the present patent, as shown in fig. 5, in which the difference between the fifth embodiment and the first embodiment is that the elastic component 14 is a fine denier spandex filament composite cloth 5 composed of spandex filaments and a nonwoven fabric, and the fine denier spandex structure gives a more comfortable experience to the front elastic waist portion 12 and the rear elastic waist portion 13.

Fig. 6 is a structural diagram of a product in the sixth embodiment of the present utility model, as shown in fig. 6, the difference between the sixth embodiment and the first embodiment is that the front and rear waistline end nonwovens 8 are further disposed between the inner waistline nonwovens 7 and the outer waistline hot air nonwovens 6, the structure can form a soft and comfortable structure with hollow glue-free areas between the outer waistline hot air nonwovens 6 and the front and rear waistline end nonwovens 8, and the inner waistline nonwovens 7 extend to between the whole front elastic waist member 12 and the whole rear elastic waist member 13.

Fig. 7 is a structural view of the product of the seventh embodiment of the present patent, and as shown in fig. 7, the difference between the seventh embodiment and the first embodiment is that the inner waist nonwoven 7 is folded inside the front and back inner elastic waist members 12 and 13, and then the inner waist cover nonwoven 9 is laminated on the inner folded extension piece of the inner waist nonwoven 7 and the inner member 15. This structure is typically a pant-type diaper product having a long product size such as menstrual pants or adult pull-ups, and the inner waistline nonwoven 7 and the waistline inner side cover nonwoven 9 are combined to extend entirely between the front elastic waist member 12 and the rear elastic waist member 13.

Fig. 8 is a structural diagram of the product of the eighth embodiment of the present patent, as shown in fig. 8, the difference between the eighth embodiment and the first embodiment is that the inner-waistline nonwoven 7 is not folded and extends to the inner sides of the front elastic waist member 12 and the rear elastic waist member 13, but the waistline inner-side cover nonwoven 9 is extended to the end of the outer-waistline hot-air nonwoven 6, and the ultrasonic seam thermal welding point 11 is disposed at the overlapping area of the end of the outer-waistline hot-air nonwoven 6 and the inner-waistline inner-side cover nonwoven 9, and the inner-waistline nonwoven is extended to the whole space between the front elastic waist member 12 and the rear elastic waist member 13.

Fig. 9 is a structural diagram of a product in the ninth embodiment of the present patent, and as shown in fig. 9, the difference between the ninth embodiment and the seventh embodiment is that the front elastic waist member 12 and the rear elastic waist member 13 are further provided with front and rear waist end nonwovens 8, and the structure can be designed into adult pull-ups or menstrual pants having a bubble waistline structure, and the inner waistline nonwovens 7 and the waistline inner side covering nonwovens 9 are combined and extend to the whole space between the front elastic waist member 12 and the rear elastic waist member 13.

Fig. 10 is a structural diagram of a product in embodiment ten of the present patent, as shown in fig. 10, the difference between embodiment ten and embodiment three is that front and rear waistline end nonwovens 8 are further disposed at the end folds of the inner waistline nonwovens 7, and the structure can form a soft and comfortable structure with two hollowed-out glue-free areas at the outer waistline nonwovens folding area 10 and the end folds of the inner waistline nonwovens 7, and the inner waistline nonwovens 7 extend to the whole between the front elastic waist member 12 and the rear elastic waist member 13.

Fig. 11 is a structural diagram of the product in embodiment eleven of this patent, as shown in fig. 11, the difference between embodiment eleven and embodiment one is that the inner waistline nonwoven 7 extends between the whole front elastic waist member 12 and the rear elastic waist member 13, that is, covers all or most of the spandex filaments covering the elastic waist, so that the contact surface between the spandex filaments and the skin is made of at least 2 layers of materials, which can effectively reduce the skin scraping feeling of the rubber band, and simultaneously, the side welding position is also four layers of inner waistline nonwoven or waistline inner side covering nonwoven made of the same material, which can greatly improve the side welding strength of the pull-up diaper product.

Fig. 12 is a structural diagram of a product in twelve embodiments of the present patent, as shown in fig. 12, the difference between the embodiment 12 and the embodiment 7 is that the inner-side cover nonwoven 9 of the waistline extends between the front elastic waist member 12 and the rear elastic waist member 13, that is, all the spandex filaments covered on the elastic waist are completely or mostly covered, so that the contact surface between the spandex filaments and the skin is made of at least 2 layers of materials, the skin scraping feeling of the rubber band can be effectively reduced, and meanwhile, the welding strength of the side edge of the pull-up diaper product can be greatly improved by using the inner-waistline nonwoven or the inner-side cover nonwoven with four layers of the same material at the side edge welding position.

Fig. 13 is a structural diagram of the thirteenth embodiment of the present patent, and as shown in fig. 13, the thirteenth embodiment differs from the twelfth embodiment in that the waist inner cover nonwoven fabric 9 is provided between the inner waist nonwoven fabric and the interior member.

Working principle: because the outer waistline hot air method nonwoven 6 is not folded and inserted between the front elastic waist part 12 and the rear elastic waist part 13 or is inserted between the front elastic waist part 12 and the rear elastic waist part 13 in a small size, the material components melted in the hot welding area are mainly not hot air method nonwoven, but two or more than two more than two-layer PP spunbonded nonwoven or EP sheath-core spunbonded nonwoven are welded, and the number of waistline materials at the welding position is reduced, in particular to the number of layers of the looser hot air method nonwoven, so that the heat conduction rate of a hot welding knife or ultrasonic welding can be greatly improved, the side welding force of the elastic waist can be effectively improved, the product cost can be reduced by using less hot air method nonwoven.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (4)

1. The utility model provides an easy welded hot-blast waistline pull-up pants, includes liquid permeability top layer (1), its characterized in that: the novel waist-surrounding fabric is characterized in that the surface of the liquid-permeable top layer (1) is fixedly provided with the liquid-impermeable bottom layer (2), the inner side of the liquid-impermeable bottom layer (2) is provided with the absorption layer (3), the surface of the liquid-impermeable bottom layer (2) is fixedly provided with the front elastic waist part (12) and the rear elastic waist part (13), the front elastic waist part (12) and the rear elastic waist part (13) are formed by combining and laminating an inner waistline non-woven fabric (7), an outer waistline hot air non-woven fabric (6), an elastic assembly (14), front and rear waistline end non-woven fabrics (8) and a waistline inner side covering non-woven fabric (9), the outer waistline hot air non-woven fabric (6) is folded and inserted to the front elastic waist part (12) and the rear elastic waist part (13) in a size of 0-30mm, the outer waistline hot air non-woven fabric (6) is folded to form an outer waistline non-woven fabric folding area (10), and the outer waistline non-woven fabric folding area (10) is not inserted between the front elastic waist part (12) and the rear elastic waist part (13).

2. The weldable hot-air waistline pull-up diaper of claim 1, wherein: the method is characterized in that: the elastic component (14) is at least one of elastic wires, elastic films, elastic film composite cloth and elastic wire composite cloth.

3. The weldable hot-air waistline pull-up diaper of claim 1, wherein: and a seam thermal welding point (11) is arranged at the overlapping seam position of the inner waistline non-woven fabric (7), the waistline inner side covering non-woven fabric (9) and the outer waistline hot air non-woven fabric (6).

4. The weldable hot-air waistline pull-up diaper of claim 1, wherein: at least one of the inner waistline non-woven fabric (7) and the waistline inner side covering non-woven fabric (9) extends completely to the whole space between the front elastic waist part (12) and the back elastic waist part (13).