CN113262106A

CN113262106A - Sanitary napkin

Info

Publication number: CN113262106A
Application number: CN202110715905.7A
Authority: CN
Inventors: 高峰; 苗治成; 张先胜
Original assignee: Dalian Shuangdi Taohua Sanitary Products Co Ltd
Current assignee: Dalian Shuangdi Taohua Sanitary Products Co Ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-08-17

Abstract

The invention provides a sanitary napkin, which includes a body, the body includes a surface layer arranged on the surface, and a plurality of convex points are evenly distributed on the first main plate of the surface layer. The contact area increases the space between the skin and the sanitary napkin, avoids the negative pressure generated by the sanitary napkin when absorbing menstrual fluid, and improves the comfort of women using the sanitary napkin. The cross-sectional area of the through-hole gradually decreases along the thickness direction of the body, so that the diameters of the two ends of the through-hole are different, and the cross-sectional area of the through-hole on the side in contact with the skin is the largest. The speed of absorption, because the inner and outer pressures of the surface layer are different, the infiltrated menstrual blood will not be reversed to the first main board surface, and the first main board surface will be drier, so that the sanitary napkin can quickly absorb the menstrual fluid on the sanitary napkin, Avoid long-term exposure of human skin in a humid environment, and also make the surface in contact with the skin dry.

Description

Sanitary napkin

Technical Field

The invention relates to the technical field of female sanitary products, in particular to a sanitary towel.

Background

The sanitary napkin is an absorbent material, the main material is cotton, non-woven fabric, paper pulp or high molecular polymer and high molecular polymer composite paper formed by the composite of the above materials, and the design of the side edge is mainly used for preventing side leakage. During the menstrual period, the skin of sensitive parts is most vulnerable. Investigation showed that 73% of women experience local skin itching, burning pain during the menstrual period. This is because the absorption of liquid is slow during the using process of sanitary napkins, which often sticks to sensitive parts of human body, and it is important to select proper sanitary napkins during the menstrual period.

Sanitary towel product is various in the existing market, in order to increase the infiltration degree of menses, also have one side that contacts at sanitary towel and skin to punch, but the hole of beating is unanimous for cross-sectional area from top to bottom, be columniform through-hole usually, through cylindric through-hole, can reach the effect that the menstrual blood oozes down fast, but smooth surface course and skin laminating are inseparable, including the moist of menstrual blood, lead to the top to form the negative pressure space, seriously influence the speed of menses infiltration, make sanitary towel result of use greatly reduced.

The problem that the prior art sanitary towel mainly solves is how to solve the problem that the surface layer of the sanitary towel is flat and the menstrual fluid is slowly infiltrated during women.

Disclosure of Invention

The invention aims to provide a sanitary towel, which solves the problems that the surface layer of the sanitary towel in the prior art is a flat plane and the menses seeps slowly during the period of women.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides a sanitary towel which comprises a body, wherein the body comprises a surface layer arranged on the surface, a plurality of salient points are uniformly distributed on a first main board surface of the surface layer, a plurality of through holes are formed in the peripheries of the salient points, the cross-sectional area of each through hole is gradually reduced along the thickness direction of the body, and the cross-sectional area of each through hole arranged on the first main board surface is the largest.

Preferably, the shape of the salient points is round, square or prismatic.

Preferably, the body still includes from the bottom up sets gradually from type paper, ventilative basement membrane, absorption core, water conservancy diversion layer, the surface course with the water conservancy diversion layer is connected.

Preferably, the area of the flow guide layer is smaller than that of the absorption core body, and the flow guide layer is arranged in the middle of the absorption core body.

Preferably, along the length direction of the body, the two sides of the middle position between the surface layer and the breathable base film are both provided with protective wings perpendicular to the length direction of the body, and one side of each protective wing, which is far away from the skin, is provided with the release paper.

Preferably, arc-shaped indentations are arranged on two sides of the body.

Preferably, the facing material is a through-air nonwoven or a spunlace nonwoven.

And the body is also provided with petal-shaped embossing.

The technical scheme provided by the application document comprises the following beneficial effects:

the invention provides a sanitary towel, which comprises a body, wherein the body comprises a surface layer arranged on the surface, a plurality of convex points are uniformly distributed on a first main board surface of the surface layer, the arrangement of the convex points reduces the contact area of the sanitary towel and skin, enlarges the space between the skin and the sanitary towel, avoids negative pressure generated when the sanitary towel absorbs menstrual fluid, and improves the comfort level of a female using the sanitary towel, in addition, a plurality of through holes are arranged at the periphery of the convex points, the cross sectional area of the through holes is gradually reduced along the thickness direction of the body, so that the apertures at two ends of the through holes are different, the cross sectional area of the through holes at one side contacting with the skin is the largest, when the menstrual fluid infiltrates in the through holes with an inclined angle, the menstrual fluid has an inclination in the infiltration process, the menstrual fluid can infiltrate while absorbing, the absorption speed of the menstrual fluid is accelerated, and simultaneously, because the internal and external pressures of the surface layer are different, the menstruation liquid that permeates down can not reverse ooze the first main board face of surface course on, and the first main board face of surface course is dry and comfortable more, like this, the menstruation liquid on the absorption sanitary towel that sanitary towel can be quick avoids human skin to locate in moist environment for a long time, can also make the face that contacts with skin dry and comfortable simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram illustrating a hygiene according to an exemplary embodiment;

FIG. 2 is a dispersion view illustrating a sanitary napkin according to an exemplary embodiment;

FIG. 3 is a schematic diagram illustrating the structure of a facing layer in accordance with an exemplary embodiment;

FIG. 4 is a schematic cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic diagram illustrating another facing structure according to an exemplary embodiment.

In the figure: 1. a body; 2. a surface layer; 3. salient points; 4. a through hole; 5. a flow guiding layer; 6. an absorbent core; 7. a breathable basement membrane; 8. release paper; 9. arc-shaped indentation; 10. embossing; 11. and (4) a protective wing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The specific embodiment provides a sanitary towel, which solves the problems that the surface layer of the sanitary towel in the prior art is a flat plane and the menstrual fluid seeps slowly during the period of women.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.

Referring to fig. 1-5, the present invention provides a sanitary napkin, comprising a main body 1, the main body 1 comprises a surface layer 2 arranged on the surface, a plurality of protrusions 3 are uniformly distributed on a first main plate surface of the surface layer 2, the arrangement of the protrusions 3 reduces the contact area of the sanitary napkin and the skin, increases the space between the skin and the sanitary napkin, avoids the generation of negative pressure when the sanitary napkin absorbs menstrual fluid, and improves the comfort level of the sanitary napkin for women, in addition, a plurality of through holes 4 are arranged on the periphery of the protrusions 3, the cross sectional area of the through holes 4 is gradually reduced along the thickness direction of the main body 1, so that the apertures at two ends of the through holes 4 are different, the cross sectional area of the through holes 4 at the side contacting with the skin is the largest, when the menstrual fluid seeps downwards in the through holes 4 with an inclined angle, the menstrual fluid has an inclination in the process of seeping downwards, the menstrual fluid can absorb while seeping downwards, simultaneously, because the internal and external pressure of surface course 2 is inequality, the first main board face of surface course 2 can not reverse ooze to the menstrual fluid that permeates down, and the first main board face of surface course 2 is dry and comfortable more, and like this, the sanitary towel can be quick absorb the menstrual fluid above the sanitary towel, avoids human skin to locate in moist environment for a long time, can also make the face that contacts with skin dry and comfortable simultaneously.

In this embodiment, the shape of the protruding points 3 may be circular, square, or prismatic, however, the shape of the protruding points 3 is not limited to these shapes, and may also be triangular, pentagonal, or other shapes, as long as the contact area between the sanitary napkin and the human body can be reduced, and the air permeability of the sanitary napkin during use can be increased.

In this embodiment, body 1 still includes from the bottom up that sets gradually from type paper 8, ventilative basement membrane 7, absorbs core 6, guiding layer 5, and the second main face of surface course 2 is connected with guiding layer 5, and the first main face of surface course 2 is used for contacting with human skin, and guiding layer 5 is used for and carries out the water conservancy diversion with the last menses liquid with surface course 2, and absorption core 6 is used for absorbing the menses liquid, and ventilative basement membrane 7 is used for avoiding the menses underflow, and the concrete description is as follows: the flow guide layer 5 can help menstrual blood to rapidly infiltrate downwards and help menstrual fluid to longitudinally guide along the length direction of the sanitary napkin, so that the condition that the menstrual fluid is gathered at one position to cause leakage of the menstrual fluid at a certain position is avoided, and the flow guide layer 5 generally uses hot air non-woven fabrics; the absorption core body 6 mainly absorbs the menstrual fluid, and locks the menstrual fluid at the position of the absorption core body 6 to avoid the condition of back seepage of the menstrual fluid, and the absorption core body 6 is the absorption core body 6 with the reverse osmosis function in the prior art; the breathable base film 7 is mainly composed of three layers: the PP spun-bonded non-woven fabric mainly has the effects of enhancing the tensile force and hydrostatic pressure and protecting the middle layer, and the real air permeability mainly depends on the PE high-molecular breathable film in the middle layer, and meanwhile, the menstrual fluid can be prevented from permeating downwards and locked on the absorption core body 6; the release paper 8 is connected with the breathable basement membrane 7 through gum, and is convenient to fix with clothes when in use.

In this embodiment, the area of the diversion layer 5 is smaller than the area of the absorption core body 6, and the diversion layer 5 is arranged in the middle of the absorption core body 6, so that when people use the device, the diversion layer 5 only needs to diffuse the middle position of the body 1 to two sides, and the menstrual fluid does not need to diffuse to any position, so that the area of the diversion layer 5 can be smaller than the area of the absorption core body 6, and the material of the diversion layer 5 can be saved.

In this embodiment, along body 1 length direction, the both sides of the intermediate position of surface course 2 and ventilative basement membrane 7 all are provided with the flap 11 of perpendicular to body 1 length direction, wherein, one side that flap 11 keeps away from the skin is provided with equally from type paper 8, make things convenient for people to fix flap 11 on pants, avoid people to roll up flap 11 in walking or the in-process of motion, and simultaneously, because be provided with on body 1 from type paper 8, in addition flap 11 is from the fixed of both sides, the sanitary towel will be glued in the pants bottom by firm, just be difficult to the aversion more when the activity.

In this embodiment, arc indentation 9 is established to body 1's both sides, and arc indentation 9 wraps up the both sides of water conservancy diversion layer 5, and in order to avoid sanitary towel to take place the layering in the in-process of using, the position at water conservancy diversion layer 5 both sides is provided with arc indentation 9, and arc indentation 9 is fixed surface course 2 and absorption core 6, further locks water conservancy diversion layer 5 between surface course 2 and absorption core 6 simultaneously.

In this embodiment, the material of the surface layer 2 is a hot air non-woven fabric or a spunlace non-woven fabric, and the spunlace non-woven fabric is formed by spraying high-pressure micro water flow onto one or more fiber webs to entangle fibers with each other, so that the fiber webs are reinforced and have certain strength, and the obtained fabric is the spunlace non-woven fabric. The fiber raw materials are wide in source and can be terylene, chinlon, polypropylene fiber, viscose fiber, chitin fiber, superfine fiber, tencel, silk, bamboo fiber, wood pulp fiber, alginate fiber and the like; the spunlaced non-woven fabric is formed by using natural fiber pure cotton, arranging the pure cotton into a net by using a tip carding machine, a net laying machine and a drafting machine after opening and loosening the cotton, and promoting the entanglement of the cotton fibers into the fabric by using a spunlace machine by using high-density needle-shaped water columns formed after pressurization. So set up, use water thorn non-woven fabrics, as product surface course 2, promoted the compatibility of product with skin, it is soft to be close to the skin more, improves product use comfort.

In this embodiment, still be equipped with petal shape knurling 10 on the body 1, knurling 10 main role, fixed surface course 2 and absorbed layer position avoid sanitary towel to take place the layering at the in-process that uses, simultaneously, set up knurling 10 on the surface course 2 of body 1, can also promote sanitary towel's aesthetic feeling.

It should be noted that the terms "first," "second," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another. The terms "upper" and "lower" are used when the sanitary napkin is in the laid-out state as shown in FIG. 1.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A sanitary napkin, characterized in that it comprises a main body (1), the main body (1) comprises a surface layer (2) arranged on the surface, and the first main plate of the surface layer (2) is provided with a uniform A plurality of bumps (3) are distributed, the periphery of the bumps (3) is provided with a plurality of through holes (4), and the through holes (4) have a cross-sectional area along the thickness direction of the body (1). Decrease gradually, and the cross-sectional area of the through hole (4) disposed on the first main board surface is the largest.

2. The sanitary napkin according to claim 1, characterized in that, the shape of the convex point (3) is a circle, a square, or a prism.

3 . The sanitary napkin according to claim 1 , wherein the main body ( 1 ) further comprises a release paper ( 8 ), a breathable bottom film ( 7 ), and an absorbent core ( 6 ) which are sequentially arranged from bottom to top. 4 . ), a diversion layer (5), the surface layer (2) is connected with the diversion layer (5).

4. The sanitary napkin according to claim 3, characterized in that, the area of the guide layer (5) is smaller than the area of the absorbent core (6), and the guide layer (5) is arranged on the absorbent core (6) ) in the middle position.

5. The sanitary napkin according to claim 3, characterized in that, along the length direction of the main body (1), both sides of the middle position of the surface layer (2) and the breathable bottom film (7) are provided on both sides There are protective wings (11) perpendicular to the length direction of the main body (1), and the release paper (8) is provided on the side of the protective wings (11) away from the skin.

6. The sanitary napkin according to claim 1, wherein arcuate indentations (9) are provided on both sides of the main body (1).

7 . The sanitary napkin according to claim 1 , wherein the material of the surface layer ( 2 ) is a hot air non-woven fabric or a spunlace non-woven fabric. 8 .

8. The sanitary napkin according to claim 1, wherein the main body (1) is further provided with petal-shaped embossing (10).