CN118615096A - Anti-galactorrhea pad - Google Patents

Abstract

The embodiment of the invention provides an anti-galactorrhea pad, which comprises a body, wherein the body comprises a surface layer, an absorption layer and a bottom layer which are laminated, the body comprises a middle area, a peripheral pressing groove which is arranged around the middle area and a peripheral area which is positioned outside the peripheral pressing groove, the middle area is also provided with a diffusion sheet mainly comprising cellulose fibers, the absorption layer comprises a main absorption part corresponding to the middle area, a peripheral part positioned in the peripheral area and a first pressing groove part corresponding to the peripheral pressing groove, the peripheral part comprises a peripheral body part which is provided with a groove, the body also comprises an internal pressing groove which is positioned in the groove, the peripheral part comprises a groove part corresponding to the groove and a second pressing groove part corresponding to the internal pressing groove, the density of the Zhou Tibu and the groove part is basically the same, and the density of the second pressing groove part is higher than that of the peripheral body part.

Description

Anti-galactorrhea pad

Technical Field

The invention relates to an anti-galactorrhea pad.

Background

The anti-galactorrhea pad is a mother and infant article for preventing the emulsion of women in lactation period from overflowing, and is increasingly valued and widely used along with the continuous improvement of the living standard of people.

In order to increase the diffusion speed and the absorption speed, a diffusion material similar to sanitary napkins and paper diapers is also commonly used in the anti-galactorrhea pad, such as a conventional diversion layer (ADL) formed by a nonwoven material, and the diffusion speed and the absorption speed are increased by using the materials, but the diffusion performance of the conventional ADL is still insufficient when the anti-galactorrhea pad is applied to milk due to the fact that the viscosity of milk is between that of urine and menstrual blood, that is, the viscosity of the milk is generally higher than that of urine and lower than that of menstrual blood, and meanwhile, the anti-galactorrhea pad is generally required to be formed into a sphere shape, so that the anti-galactorrhea pad is required to form a three-dimensional arch shape in use, and folds formed in the process of forming the three-dimensional shape further influence the absorption performance and the diffusion performance.

Accordingly, there is a need to develop and implement a solution to the above technical problems.

Disclosure of Invention

Therefore, the invention provides an anti-galactorrhea pad to solve the technical problems.

The utility model provides an anti-galactorrhea pad, includes the body, the body include range upon range of surface course, absorbed layer and bottom, the body include middle part district, enclose and establish the peripheral indent in middle part district periphery and be located the peripheral district in the peripheral indent outside, the middle part district still be provided with a diffusion piece mainly including cellulose fiber, absorbed layer include the main absorption portion that corresponds with the middle part district, be located the peripheral portion of peripheral district and the first indent portion that corresponds with peripheral indent, peripheral portion include Zhou Tibu with being formed with a recess, the body still include an interior indent that is located the recess, peripheral portion include the recess portion that corresponds with the recess and the second indent portion that corresponds with interior indent, zhou Tibu and the density of recess portion be the same basically, just, the density of second indent portion be greater than the density of week body portion.

The absorption layer sequentially comprises a main absorption part, a first pressing groove part, zhou Tibu, a groove part and a second pressing groove part in the extending direction from the middle part to the peripheral part, if the density of the main absorption part is P1, the density of the first pressing groove part is P2, the density of the peripheral part is P3, the density of the groove part is P4, the density of the second pressing groove part is P5, and if P5 is more than P2 and more than P1 = P3 = P4, the cellulose fiber is lyocell fiber.

Wherein P5 is more than or equal to 1.3P2, and P2 is more than or equal to 1.2P1.

The inner pressure groove comprises a first end part adjacent to the peripheral pressure groove, the distance between the first end part and the peripheral pressure groove is smaller than or equal to 8mm, and the distance between the first end part and the peripheral pressure groove is larger than or equal to 3mm.

The diffusion sheet comprises an outer edge part adjacent to the peripheral pressing groove, and the distance between the outer edge part and the peripheral pressing groove is more than or equal to 1mm and less than or equal to 5mm.

Wherein the groove is abutted against the first indent part.

The grooves radially extend outwards from the middle area, the grooves are formed in a plurality of strips, and the grooves are arranged on the periphery of the middle area in a circumferential array mode.

Wherein, each groove is internally provided with an internal pressure groove.

The diffusion sheet is also provided with a central hole and a plurality of peripheral holes which are arranged around the periphery of the central hole, and the central hole and the peripheral holes penetrate through the thickness direction of the diffusion sheet.

The forming device comprises a forming drum which can rotate around a central axis and is provided with a central space, the outer side surface of the forming drum is fixedly provided with the die, a negative pressure cavity is arranged in the central space, a dispersing cavity capable of dispersing absorbent materials in the direction of the die is arranged outside the forming drum, the die comprises a die cavity and a forming net arranged in the die cavity, the die further comprises a protruding part arranged on the forming net, and the shape of the protruding part corresponds to that of the groove.

The beneficial effects are that: the embodiment of the invention provides an anti-galactorrhea pad, which comprises a body, wherein the body comprises a laminated surface layer, an absorption layer and a bottom layer, the body comprises a middle area, a peripheral pressing groove surrounding the periphery of the middle area and a peripheral area positioned outside the peripheral pressing groove, the middle area is also provided with a diffusion sheet mainly comprising cellulose fibers, the absorption layer comprises a main absorption part corresponding to the middle area, a peripheral part positioned in the peripheral area and a first pressing groove part corresponding to the peripheral pressing groove, the peripheral part comprises a Zhou Tibu with a groove formed therein, the body further comprises an internal pressing groove positioned in the groove, the peripheral part comprises a groove part corresponding to the groove and a second pressing groove part corresponding to the internal pressing groove, the density of the Zhou Tibu is basically the same as that of the groove part, and the density of the second pressing groove part is higher than that of the peripheral part.

Drawings

FIG. 1 is a front view of an embodiment of the present invention of an anti-galactorrhea pad;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view at B-B of FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line C-C of FIG. 1;

FIG. 5 is a front view of an anti-galactorrhea pad according to another embodiment of the invention;

Illustration of the elements:

a body 10; a middle region 101; a peripheral indent 102; a first indentation 1021; a peripheral region 103; a groove 104; an internal pressure groove 105; a peripheral bond 106; a face layer 11; an absorbent layer 12; a main absorption section 121; a first indent portion 122; a peripheral portion 123; a peripheral body 1231; a groove part 1232; a second pressing groove part 1233; a bottom layer 13; a diffusion sheet 14; a center hole 241; peripheral holes 242.

Detailed Description

In the following description, the terms "upper," "lower," "inner," "outer," "top/bottom," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and simplify the description, and do not indicate or imply that the devices or elements in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 3, the anti-galactorrhea pad provided by the embodiment of the application comprises a main body 10, wherein the main body 10 comprises a surface layer 11, an absorption layer 12 and a bottom layer 13 which are stacked.

The facing layer 11 is disposed on a side close to the skin of the user, and the facing layer 11 should be at least partially permeable to liquid, which means that body fluid can penetrate through the facing layer 11 and enter the structural layer below the facing layer 11, such as a core, and typically, the body fluid can diffuse along the facing layer 11 to further enhance the absorption efficiency of the body fluid by the absorber.

The at least part of the liquid-permeable means that at least the area of the top sheet 11 corresponding to the body fluid discharge area, which may specifically be the nipple position, is liquid-permeable.

Since the facing layer 11 is in contact with the skin, a sheet-like material having a low-irritation and softness, such as gauze, cotton, spun-laced nonwoven fabric, hot air nonwoven fabric, or the like, having a weight per unit area of 10 to 60g/m ², is preferably selected, and a hot air nonwoven fabric composed of thermoplastic synthetic fibers, and polyolefin fibers such as Polyethylene (PE) fibers, polypropylene (PP) fibers, polyamide fibers such as polyester fibers, nylon, or the like may be used as the synthetic fibers constituting the hot air nonwoven fabric, and in some alternative embodiments, natural fibers or viscose fibers may be added at the same time to further reduce irritation to the skin, and these natural fibers may include wood fibers, cotton fibers, or the like.

The core is stacked under the surface layer 11, specifically, the core is formed by properly connecting a plurality of fibers entangled to form a three-dimensional network structure, a plurality of pores are distributed among the three-dimensional network structure, and the pores can absorb and diffuse body fluid, in a preferred embodiment, a polymer absorbent material (SAP) is included among the three-dimensional network structure to further absorb and retain body fluid through the polymer absorbent material, and it can be understood that the fibers can be fluff pulp.

Further, the core may further include a cover layer, which covers or wraps the three-dimensional network structure, and the cover layer is made of a liquid-permeable material, and in some embodiments, the cover layer may be made of a nonwoven fabric or a toilet paper, and the cover layer is preferably made of a soft sheet material, such as gauze, cotton cloth, spun-laced nonwoven fabric, hot air nonwoven fabric, toilet paper, etc., having a weight of 10-60 g/m ² per unit area, and more preferably, the cover layer has a lower basis weight than the surface layer 11.

The bottom layer 13 is stacked under the core, and in order to prevent the body fluid from penetrating the surface layer 11 to pollute the clothes of the user, the bottom layer 13 is usually made of a water-repellent material, specifically, a PE film, an SMS nonwoven fabric, a nonwoven fabric with a surface subjected to water-repellent treatment, etc., preferably, the bottom layer 13 can allow gas such as water vapor to pass through, but the body fluid cannot pass through, so that the use is not stuffy.

The surface layer 11 and the bottom layer 13 are combined along the edge of the body 10, so that the surface layer 11 and the bottom layer 13 are combined into a peripheral combination part 106, the surface layer 11 and the bottom layer 13 are surrounded along the peripheral combination part 106 to form a containing space, the core body is contained in the containing space, the combination means that the combined materials are connected to form a whole, and in general, the combination means can be formed by a hot melting or bonding mode, wherein the hot melting can be formed by heating the materials to reach the melting point temperature, then the materials are locally melted, and are solidified and formed to form connection, or external energy such as ultrasonic wave acts on the materials to locally generate high-temperature melting, and the connection is formed after solidification and formation, and the bonding can enable adjacent materials to form connection under the action of the bonding agent through the bonding agent.

The body 10 further includes a middle area 101, a peripheral pressing groove 102 surrounding the middle area 101, and a peripheral area 103 located outside the peripheral pressing groove 102, in this embodiment, the body 10 is in a generally circular shape, the middle area 101 is an area adjacent to the center of the circle, it will be understood that the middle area 101 is generally located at a position where the emulsion overflows, such as a nipple, and the body 10 may also be in other shapes, such as square, oval, etc., but the middle area 101 is generally located at the geometric center of these shapes.

The peripheral pressing groove 102 is disposed around the middle area 101 and configured to define the shape of the middle area 101, for example, in this embodiment, the peripheral pressing groove 102 has a petal shape and defines the middle area 101 having a petal shape.

The peripheral area 103 is located outside the peripheral pressing groove 102, and the outer side refers to the side opposite to the middle area 101, and in this embodiment, the peripheral area 103 is in a ring shape.

The middle region 101 is further provided with a diffusion sheet 14 mainly comprising cellulose fibers, wherein the mass ratio of the cellulose fibers in the fibers constituting the diffusion sheet 14 is 80% or more.

Further, the cellulose fiber is lyocell fiber, and the lyocell fiber refers to the fiber in the following form: dissolving wood pulp or other cellulose raw materials in a solvent to form a lyocell spinning solution, and then forming cellulose filaments or cellulose filaments after reducing the concentration of the solvent, wherein the cellulose filaments or the cellulose filaments can be cut to form cellulose short filaments, and the cellulose filaments or the cellulose short filaments are the lyocell fibers in the application, and the solvent can be a polar solution of N-methyl-morpholine, NMMO, amine oxide or AO.

In this embodiment, the diffusion sheet 14 is a network-like structure formed by entanglement of lyocell fibers, and the network-like structure is in the form of a sheet, and preferably, when the lyocell fibers are filaments, the lyocell fibers have a length of 12mm or more, and further, may have a length of 30mm or more.

Further, the diffusion sheet 14 may be formed of lyocell fibers, which may be round or other regular or irregular cross-sectional shape, through a nonwoven process, and have an aspect ratio of 50 or more, which is a ratio between a fiber length and a fiber diameter, for better entanglement formation.

It will be appreciated that the lyocell fibers included in the diffusion sheet 14 are capable of swelling, and that the pore size between the fibers is reduced by swelling, thereby enhancing the diffusion of the liquid.

The peripheral pressing groove 102 is surrounded around the middle area 101, in this embodiment, the peripheral pressing groove 102 is recessed from the surface layer 11 toward the bottom layer 13, and a recess recessed toward the bottom layer 13 is formed on the surface of the body 10, in this embodiment, the peripheral pressing groove 102 is formed by a plurality of first indentations 1021 in a direction of being adjacently arranged, the first indentations 1021 may be linear indentations or point-shaped indentations, the linear indentations refer to the indentations with a projected aspect ratio of 5 or more on the surface of the body 10, the point-shaped indentations refer to the indentations with a projected aspect ratio of less than 5 on the surface of the body 10, and it can be understood that the projected shape of the point-shaped indentations on the surface of the body 10 may be set according to actual needs, such as a circle, a prism, a square or an ellipse.

It will be appreciated that the peripheral indent 102 may be achieved by an indent procedure of a first press roll set, specifically, a first press roll set comprising a pair of parallel juxtaposed rolls: the upper press roller and the bottom roller are provided with bulges extending outwards in the radial direction, a slit is arranged between the upper press roller and the bottom roller, and the body 10 passes through the slit between the two rollers, so that the bulges form a first indentation 1021 on the body 10. It will be appreciated that the protrusions have a shape and size matching those of the first indentation 1021, and that when the protrusions are arranged on the surface of the upper pressing roller in a shape corresponding to the peripheral pressing groove 102, the peripheral pressing groove 102 is formed on the body 10 after the body 10 passes through the slit between the two rollers.

It will be appreciated that, in the absorbent layer 12, a region corresponding to the peripheral indent 102 is referred to as a first indent 122 for convenience of description, the upper side of the first indent 122 is in a form corresponding to the peripheral indent 102, meanwhile, due to the extrusion of the protrusions on the absorbent layer 12, the density of the first indent 122 will be greater than that of the region not applied with pressure by the protrusions, if the region of the absorbent layer 12 corresponding to the middle region 101 is referred to as a main absorbent portion 121, the density of the first indent 122 is greater than that of the main absorbent portion 121, and meanwhile, the inter-fiber capillary tube diameter of the first indent 122 is smaller than that of the main absorbent portion 121, so that the diffusion rate of the liquid in the first indent 122 is greater than that of the main absorbent portion 121.

Referring to fig. 2-3, the absorbent layer 12 includes a peripheral portion 123 located in the peripheral region 103, the peripheral portion 123 includes a peripheral portion 1231 having a groove 104 formed therein, the body 10 further includes an inner pressure groove 105 located in the groove 104, the peripheral portion 123 includes a groove portion 1232 corresponding to the groove 104 and a second pressure groove portion 1233 corresponding to the inner pressure groove 105, the densities of the Zhou Tibu 1231 and the groove portion 1232 are substantially the same, and the density of the second pressure groove portion 1233 is greater than the density of the Zhou Tibu 1231.

Specifically, the groove 104 may be formed by a mold, where the mold is disposed on a molding device, where the molding device generally includes a molding drum rotatable about a central axis and having a central space, where the mold is fixed to an outer side surface of the molding drum, where a negative pressure cavity is disposed in the central space, where a dispersing cavity capable of dispersing absorbent materials in a direction of the mold is disposed outside the molding drum, where the mold includes a cavity and a molding net disposed in the cavity, where when the absorbent materials are dispersed in the cavity, a three-dimensional network-like structure having the same shape as the cavity is formed, and where the three-dimensional network-like structure forms the absorbent layer 12 after demolding, where in the present application, the mold further includes a protrusion disposed on the molding net, where the shape of the protrusion corresponds to the shape of the groove 104, that is, where the absorbent layer 12 formed after demolding includes a recess, that is the groove 104.

It will be appreciated that in the absorbent layer 12 formed in the above manner, the peripheral portion 123 of the absorbent layer 12 is integrally formed, so that the density of Zhou Tibu 1231 is substantially the same as that of the recessed portion 1232.

Meanwhile, the inner pressure groove 105 may be formed in the groove 104 by a second press roll set, and the structure of the second press roll set is substantially the same as that of the first press roll set, which will not be described herein, but after the second press roll set is pressed, the density of the second pressing groove portion 1233 corresponding to the inner pressure groove 105 is greater than that of the peripheral main body portion.

Further, please refer to fig. 4, the absorbent layer 12 sequentially comprises a main absorbent portion 121, first pressing groove portions 122, zhou Tibu, 1231, groove portions 1232 and a second pressing groove portion 1233 along the extending direction of the middle portion 101 from the peripheral portion 103, if the density of the main absorbent portion 121 is P1, the density of the first pressing groove portion 122 is P2, zhou Tibu is P3, the density of the groove portion 1232 is P4, the density of the second pressing groove portion 1233 is P5, then P5 > P2 > P1 = P3 = P4, so that the density of the whole absorbent layer 12 is gradually increased, but the capillary diameters of the absorbent layer 12 are sequentially increased in a distribution manner of large diameter, small diameter, large diameter and minimum diameter, and meanwhile, as the adhesion area formed between the upper side layer 11 and the groove 104 is a loose structure, for the rapid diffusion of milk with medium viscosity, the rapid diffusion of the medium viscosity is further arranged at the interface between the first diffusion layer 11 and the second diffusion layer 14 and the peripheral portion 14, and the second diffusion layer 14 are further arranged along the interface surface layer 12, and the rapid diffusion layer 11 is further arranged along the interface between the peripheral portion 14 and the peripheral portion 14, so that the rapid diffusion layer 12 is further arranged along the interface surface layer 12 and the interface surface layer 12 is further along the interface surface layer 12, and the rapid diffusion layer 11 is further arranged along the interface surface of the interface surface layer 12, and the rapid diffusion layer is further along the interface surface layer 12 is arranged along the interface surface of the interface surface 11, the rapid diffusion layer is arranged along the interface between the peripheral portion and the interface portion and the diffusion layer 12 and the diffusion layer 11 and the interface portion and the peripheral layer 12, thus, the milk is not attached to the skin during the rewet, so that the use comfort is improved, and in the study, it is found that the anti-galactorrhea pad provided by the above arrangement is improved by 6% in the absorption of the milk and by 7.4% and 9.8% on average when three and five diffusion tests are used, respectively, compared with the anti-galactorrhea pad of the prior art, in the case that the same surface layer 11, absorption layer 12 and bottom layer 13 are used and the amount of SAP is the same.

In addition, at the same time, the provision of the internal pressure groove 105 inside the groove 104 further increases the comfort of use.

Further, P5 is not less than 1.3P2, and P2 is not less than 1.2P1.

Further, the inner pressure groove 105 includes a first end portion adjacent to the peripheral pressure groove 102, the distance between the first end portion and the peripheral pressure groove 102 should be less than or equal to 8mm, and the distance between the first end portion and the peripheral pressure groove 102 should be greater than or equal to 3mm, in which case, milk can diffuse rapidly through the first pressure groove 122 to the second pressure groove 1233, and meanwhile, the inner pressure groove 105 does not affect the structural shape of the first pressure groove 122 when the peripheral fiber bulges in the forming process.

In addition, the diffusion sheet 14 includes an outer edge portion adjacent to the peripheral pressing groove 102, and the distance between the outer edge portion and the peripheral pressing groove 102 should be 1mm or more and 5mm or less so that the diffusion sheet 14 is not pressed when the peripheral pressing groove 102 is formed, and at the same time, milk can be rapidly diffused through the first pressing groove portion 122 after being diffused to the edge by the diffusion sheet 14.

Further, the grooves 104 extend outwardly from the central region 101, and the outer side is a direction away from the central region 101.

Further, a plurality of grooves 104 are provided in a circumferential array around the periphery of the central region 101.

Further, an internal pressure groove 105 is provided in each groove 104.

Further, the groove 104 abuts against the first indent portion 122.

Referring to fig. 5, in another embodiment, the diffusion sheet 14 is further provided with a central hole 241 and a plurality of peripheral holes 242 surrounding the central hole 241, and the central hole 241 and the peripheral holes 242 penetrate through the thickness direction of the diffusion sheet 14, so that a portion of the milk passes through the diffusion sheet 14 as much as possible and is directly absorbed by the absorption layer 12, so as to adapt to absorption and diffusion of the milk with high viscosity.

Further, the diameter of the central hole 241 is smaller than the diameter of a general nipple, that is, the diameter of the central hole 241 is 20mm or less.

The foregoing description is only of embodiments of the present invention, and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims (10)

1. The utility model provides an anti-galactorrhea pad, includes the body, the body include range upon range of surface course, absorbed layer and bottom, its characterized in that, the body include middle part district, enclose peripheral indent and the peripheral district that is located the peripheral indent outside of establishing in middle part district, the middle part district still be provided with a diffusion piece mainly including cellulose fiber, the absorbed layer include the main absorption portion that corresponds with the middle part district, be located the peripheral portion of peripheral district and the first indent portion that corresponds with peripheral indent, peripheral portion include with be formed with the interior indent of a recess Zhou Tibu, the body still include the recess portion that corresponds with the recess and the second indent portion that corresponds with interior indent, zhou Tibu and recess portion's density basically the same, just, second indent portion's density be greater than the density of week body portion.

2. The anti-galactorrhea pad according to claim 1, wherein the absorbent layer comprises a main absorbent portion, a first indent portion, zhou Tibu, a groove portion and a second indent portion in this order in the direction extending from the middle portion to the peripheral portion, and if the density of the main absorbent portion is P1, the density of the first indent portion is P2, the density of the peripheral portion is P3, the density of the groove portion is P4, the density of the second indent portion is P5, p5 > p2 > p1=p3=p4, and the cellulose fibers are lyocell fibers.

3. The anti-galactorrhea pad according to claim 2, wherein P5 is not less than 1.3P2 and P2 is not less than 1.2P1.

4. The anti-galactorrhea pad according to claim 2, wherein the internal pressure groove comprises a first end portion adjacent to the peripheral pressure groove, a distance between the first end portion and the peripheral pressure groove is 8mm or less, and a distance between the first end portion and the peripheral pressure groove is 3mm or more.

5. The anti-galactorrhea pad according to claim 2, wherein the diffusion sheet comprises an outer edge portion adjacent to the peripheral indent, and a distance between the outer edge portion and the peripheral indent is 1mm or more and 5mm or less.

6. The anti-galactorrhea pad of claim 2 wherein the groove abuts the first indent portion.

7. The anti-galactorrhea pad of claim 2 wherein the grooves extend radially outwardly from the central region, the grooves having a plurality of grooves disposed in a circumferential array about the periphery of the central region.

8. The anti-galactorrhea pad of claim 7 wherein an internal pressure groove is provided in each groove.

9. The anti-galactorrhea pad according to claim 2, wherein the diffusion sheet is further provided with a central hole and a plurality of peripheral holes formed around the periphery of the central hole, and the central hole and the peripheral holes penetrate through the diffusion sheet in the thickness direction.

10. The anti-galactorrhea pad according to claim 2, wherein the recess is formed by a mold, wherein the mold is provided on a molding device, the molding device comprises a molding drum rotatable about a central axis and having a central space, the mold is fixed to an outer side surface of the molding drum, a negative pressure cavity is provided in the central space, a dispersing cavity capable of dispersing an absorbent material in a direction of the mold is provided outside the molding drum, the mold comprises a cavity and a molding net provided in the cavity, the mold further comprises a protrusion provided on the molding net, and a shape of the protrusion corresponds to a shape of the recess.