CN112807155B - Sanitary towel with memory function - Google Patents
Sanitary towel with memory function Download PDFInfo
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- CN112807155B CN112807155B CN202110111217.XA CN202110111217A CN112807155B CN 112807155 B CN112807155 B CN 112807155B CN 202110111217 A CN202110111217 A CN 202110111217A CN 112807155 B CN112807155 B CN 112807155B
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- absorber
- memory
- cotton layer
- layer
- secondary absorber
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
- A61F13/4758—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a longitudinal direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F13/5121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterised by the vertical shape of the apertures, e.g. three dimensional apertures, e.g. macro-apertures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
Abstract
The invention relates to the field of disposable sanitary products, in particular to a sanitary towel with a memory function, which solves the technical problems of poor dryness, easy bacteria breeding and gynecological diseases caused by the fact that the existing sanitary towel is easy to compact. The disposable diaper comprises a body, the body includes basement membrane, surface course and centre gripping and locates the layer that absorbs water between basement membrane and the surface course, the layer that absorbs water is including the main absorber that is close to length direction front end and the inferior absorber that is close to length direction rear end, the below that is located main absorber on the basement membrane is equipped with the cotton layer of memory, the inferior absorber is kept away from one side of length direction rear end and is located the cotton layer below of memory, the absorbency of inferior absorber is less than the absorbency of main absorber.
Description
Technical Field
The invention relates to the field of disposable sanitary products, in particular to a sanitary towel with a memory function.
Background
At present, along with the continuous improvement of the living quality of people, the quality, the air permeability and the comfort degree of sanitary towels are higher and higher, most of the sanitary towels on the market do not have temperature sensing performance at present, the sanitary towels can feel stuffy and airtight after being worn for a long time, and the core body is pressed tightly when being used, so that the softness of the sanitary towels is influenced. The product has poor softness, and the compacted product has the defects of strong sticky feeling on the surface, poor dryness, easy breeding of bacteria, various gynecological diseases and the like. The structure of sanitary napkins is well known and can be referred to in chinese patent application No.: CN201521125947.1, or chinese patent application No.: CN202020057416.8 discloses a disposable absorbent article.
Disclosure of Invention
Therefore, in order to solve the problems, the invention provides a sanitary towel with a memory function, which solves the technical problems of poor dryness, easy bacteria breeding and gynecological diseases caused by the fact that the existing sanitary towel is easy to compact.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a sanitary towel with memory function, its has length direction and width direction, which comprises a body, the body includes that basement membrane, surface course and centre gripping locate the layer that absorbs water between basement membrane and the surface course, the layer that absorbs water includes the main absorber that is close to length direction front end and the secondary absorber that is close to length direction rear end, the below that is located main absorber on the basement membrane is equipped with the cotton layer of memory, the one side that length direction rear end was kept away from to the secondary absorber is located the cotton layer below of memory, the absorbency of secondary absorber is less than the absorbency of main absorber.
Furthermore, more than two water repellent strips or strong water absorbing strips are distributed in the secondary absorber at intervals from the front end to the rear end in the length direction, the end part of each water repellent strip or strong water absorbing strip is spaced from the edge of the secondary absorber, and the length of each water repellent strip or strong water absorbing strip from the front end to the rear end in the length direction is gradually increased.
Further, the water repellent strip is an elastic rubber band, the width direction of the body at the position of the secondary absorber is in a bent state, and when the body is in a free state, the tilting angles of the two ends of the body in the width direction are 15-30 degrees.
Furthermore, the secondary absorber comprises an upper surface layer, a middle water absorption layer and a lower surface layer, the elastic rubber band is bonded on the upper end of the lower surface layer, and the upper end of the elastic rubber band is lower than the upper surface layer and is not in contact with the upper surface layer.
Further, the projection of main absorber on the cotton layer of memory is located the cotton layer of memory, the week edge on the cotton layer of memory upwards extends and is equipped with the convex part, the projection of convex part on the body becomes cyclic annularly, and convex part and the cotton layer of memory combination form one and have an upward open-ended cavity, main absorber is arranged in the cavity, the upper end of convex part is convex, the upper end of convex part is higher than the up end of main absorber, and the difference is 1-2 mm.
Furthermore, a penetrating through hole communicated with the cavity is formed in one end, close to the secondary absorber, of the memory cotton layer, the penetrating through hole is located at the connecting portion of the convex portion and the memory cotton layer, and the penetrating through hole is in contact with the secondary absorber.
Further, the cross section of the through hole is gradually enlarged from the side close to the cavity to the outside.
Furthermore, one side of the penetrating through hole, which is far away from the cavity, is partially positioned on the lower surface of the memory cotton layer, and is partially positioned on the side surface of the memory cotton layer.
Furthermore, the main overlapped part of the memory cotton layer and the secondary absorber is positioned at the edge part of the memory cotton layer, and the memory cotton layer and the secondary absorber are connected and fixed in a point bonding mode.
Furthermore, a reinforcing absorption strip is arranged at a position, close to the memory cotton layer, on the secondary absorber, and the absorption performance of the reinforcing absorption strip is greater than that of the secondary absorber.
Further, the upper surface of the main absorber has an arc-shaped depression in the width direction, and the lowest point of the arc-shaped depression is located at the middle of the main absorber in the width direction.
Further, the difference value between the lowest point and the highest point of the arc-shaped recess is less than 2 mm.
Furthermore, a second memory cotton layer is arranged between the secondary absorber and the bottom film.
By adopting the technical scheme, the invention has the beneficial effects that:
1. the scheme adds a memory cotton layer which is formed by memory cotton, wherein the memory cotton is also called space cotton, is an inert surface or viscoelastic foam material, is made of polyurethane and is soft polyurethane slow-resilience foam; the soft polyurethane slow-resilience foam has a porous form, has a honeycomb-shaped fully-open cell form as an internal structure, is regular and orderly in structural arrangement, is wholly permeable, has the pore diameter of 15-60 PPI, has the characteristics of comfort, lightness, thinness, softness and the like, and can be perfectly attached to a body. The main absorber and the secondary absorber are made of non-woven fabrics, wood pulp and high-molecular water-absorbent resin, and are made by adopting a heat seal technology, and the difference between the main absorber and the secondary absorber lies in that the absorption performance of the main absorber is greater than that of the secondary absorber, namely the difference of the contents of the internal high-molecular water-absorbent resin. In the scheme, the thickness of the main absorber and the memory cotton layer is 2.5mm, while the thickness of the secondary absorber can be set to be thinner, such as 1.5mm or 2mm, and the whole absorption performance is weaker. Of course, the sub-absorbent may be dispensed with, e.g., it may be integrally formed with the topsheet. The secondary absorbent is provided for the purpose of leakage prevention, and can effectively absorb body fluid leaking from the back side. By the arrangement, the body has the characteristics of comfort, lightness, thinness, softness and strong absorption capacity.
2. The water repellent strip is arranged to effectively weaken the rapid penetration of liquid along the length direction, so that the secondary absorber can be fully absorbed, the side leakage probability is effectively reduced, the side leakage time is delayed, and the side leakage amount is reduced. The strong water absorbing strips are similar to the water repellent strips, and only one water repellent strip is used for water absorption and the other water absorbent strip is used for water absorption. The end parts of the water repellent strips or the strong water absorption strips are spaced from the edge of the secondary absorber, and the length of each water repellent strip or the strong water absorption strip from the front end to the rear end in the length direction is gradually increased, so that the side leakage prevention effect can be effectively improved.
3. When the water repellent strip is an elastic rubber band, the purpose of water repellency can be achieved, and the bending of the body can be achieved through the compounding of the stretching state. In the scheme, when the body is in a free state, the elastic rubber band is arranged, and the tilting angles of the two ends of the body in the width direction are 15-30 degrees. The arrangement of the bending can effectively realize the improvement of the fit of the human body, so that the wearing comfort is improved.
4. The elastic rubber band is bonded on the upper end of the lower surface layer, the upper end of the elastic rubber band is lower than the upper surface layer and is not in contact with the upper surface layer, so that the bending formation can be effectively guaranteed, the liquid can be guaranteed not to be completely blocked in the height direction and only to be partially blocked, and the reverse osmosis of the secondary absorber is prevented.
5. The cavity can be formed through the convex parts, the cavity has a good side leakage prevention function, and due to the structure of the convex parts, the comfort level is higher when a human body is attached, and the flexible compression and balance can be realized under the state that the human body is attached by wearing the human body.
6. The through holes are arranged, so that body fluid mainly seeps downwards when the convex parts block the side leakage state, and can run out through the through holes when the seepage amount is large, and the secondary absorber can assist in absorption. It can realize the absorption of great amount of bodily fluid fast, can effectively prevent the side leakage moreover. The body fluid can be effectively discharged by the arrangement of the penetrating through hole. And the part of one side of penetrating the through hole and keeping away from the cavity is located the lower surface on the cotton layer of memory, and the part is located the side on the cotton layer of memory for penetrate the through hole and can not laminate with inferior absorber completely, lead to the body fluid discharge efficiency lower, but partial laminating part is unsettled, thereby can effectively realize the discharge of great volume, and can realize absorbing fast.
7. The cotton layer of memory is located the marginal part department on the cotton layer of memory with the main coincidence of inferior absorbent, it is fixed to connect through the mode of point gluing between cotton layer of memory and the inferior absorbent, can effectively reduce the adhesion area like this, reduce cost, can prevent the hardness of this position effectively moreover, promotes the softness can. And the adoption of point bonding mode, such as ultrasonic wave, gluing, etc. can effectively realize the improvement of softness performance, prevent to harden because of connecting.
8. The arrangement of the reinforced absorption strips can prevent the part from being incapable of absorbing and generating reverse osmosis due to the fact that the body fluid amount is large instantly.
9. The arc-shaped concave part can effectively realize the wearing comfort, and reduces the extrusion caused by the fit with the human body.
10. The second memory cotton layer can effectively realize the comfort of wearing the body on the whole, and has the defect that the cost can be correspondingly improved, and the part is not a key fitting part and does not need to be arranged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic cross-sectional view of the strongly absorbent strip at C-C in FIG. 1;
FIG. 5 is a schematic cross-sectional view of the water repellent strip at C-C in FIG. 1;
FIG. 6 is an enlarged view at D of FIG. 2;
FIG. 7 is a schematic sectional view of a secondary absorbent body;
FIG. 8 is a schematic view of the structure of the holes on the surface of the memory cotton layer.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 8, this embodiment provides a sanitary towel with memory function, and it has length direction X and width direction Y, including the body, the body includes basement membrane 1, surface course 2 and centre gripping and locates the layer that absorbs water between basement membrane 1 and surface course 2, the layer that absorbs water includes main absorber 3 that is close to length direction front end and the secondary absorber 4 that is close to length direction rear end, the below that is located main absorber 3 on basement membrane 1 is equipped with memory cotton layer 5, one side that length direction rear end was kept away from to secondary absorber 4 is located memory cotton layer 5 below, the absorbency of secondary absorber 4 is less than the absorbency of main absorber 3.
The surface layer 2 can be made of pure cotton, and the upper surface of the memory cotton layer can be provided with a plurality of micropores, such as latticed holes, so that the body fluid can be retained while the support is formed, and the absorption of the body fluid in the memory cotton layer is facilitated, as shown in fig. 8, the regular hexagonal holes are latticed holes, the depth of the regular hexagonal holes can be 1mm or other depths, and the preferable value range is 0.5-2 mm. And the distribution of the latticed holes is also beneficial to the expansion of the main absorber 3 after absorbing liquid, and the larger deformation of the main absorber caused by a large amount of absorbed liquid is reduced. Thereby improving the surface drying performance, being beneficial to ventilation and being convenient for locking water. Furthermore, macromolecule absorbent resin can be laid in the latticed holes to further improve the absorption performance. The carrier film is typically made of a liquid impermeable material, which is conventional in the art.
More than two water repellent strips 6 are distributed in the secondary absorber 4 at intervals from the front end to the rear end in the length direction, the end part of each water repellent strip 6 is spaced from the edge of the secondary absorber 4, and the length of each water repellent strip 6 is gradually increased from the front end to the rear end in the length direction. As shown in fig. 5, the water repellent strip is an elastic rubber band, the width direction of the main body at the position of the secondary absorber is in a bending state, when the main body is in a free state, the tilting angle α of the two ends of the main body in the width direction is 15-30 degrees, and the value in the scheme is 22 degrees. The sub-absorber 4 comprises an upper surface layer 41, a middle water absorption layer 42 and a lower surface layer 43, the elastic rubber band is bonded on the upper end of the lower surface layer 43, the upper end of the elastic rubber band is lower than the upper surface layer 41, and the elastic rubber band is not in contact with the upper surface layer 41.
The water repellent strips can also be replaced by strong water absorbing strips, and the strong water absorbing strips can be formed by stacking or densely arranging the high polymer water absorbing resin. The body which is not put to sleep in this manner is bent at the position of the sub-absorbent body and is in a flat state as shown in fig. 4.
The projection of the main absorber 3 on the memory cotton layer 5 is located in the memory cotton layer 5, the periphery of the memory cotton layer 5 extends upwards to form a convex part 51, the projection of the convex part 51 on the body is annular, the convex part 51 and the memory cotton layer 5 are combined to form a cavity 52 with an upward opening, the main absorber 3 is arranged in the cavity 52, the upper end of the convex part 51 is arc-shaped, the upper end of the convex part 51 is higher than the upper end face of the main absorber 3, and the difference is 1-2 mm. One end of the memory cotton layer 5 close to the secondary absorber 4 is provided with a through hole 53 communicated with the cavity, the through hole 53 is positioned at the connecting part of the convex part 51 and the memory cotton layer 5, and the through hole 53 is contacted with the secondary absorber 4. The cross section of the through hole 53 becomes gradually larger from the side close to the cavity 52 to the outside. The side of the through hole 53 far away from the cavity 52 is partially positioned on the lower surface of the memory cotton layer 5 and partially positioned on the side surface of the memory cotton layer 5.
The main overlapped part of the memory cotton layer 5 and the secondary absorber 3 is positioned at the edge part of the memory cotton layer 5, namely, the main overlapped part is positioned at the lower part of the convex part 51, the memory cotton layer 5 and the secondary absorber 4 are connected and fixed in a point bonding mode, and the point bonding part forms a bonding part 54. And a reinforcing absorption strip 7 is arranged at the part, close to the memory cotton layer 5, of the secondary absorber 4, and the absorption performance of the reinforcing absorption strip 7 is greater than that of the secondary absorber 4.
The upper surface of the main absorbent body 3 has an arc-shaped depression 31 in the width direction, and the lowest point of the arc-shaped depression 31 is located at the middle of the main absorbent body 3 in the width direction. The difference value between the lowest point and the highest point of the arc-shaped recess 31 is less than 2 mm.
A second memory cotton layer 8 is arranged between the secondary absorber 4 and the bottom film 1.
By adopting the technical scheme, the invention has the beneficial effects that:
1. the scheme adds a memory cotton layer which is formed by memory cotton, wherein the memory cotton is also called space cotton, is an inert surface or viscoelastic foam material, is made of polyurethane and is soft polyurethane slow-resilience foam; the soft polyurethane slow-resilience foam has a porous form, has a honeycomb-shaped fully-open cell form as an internal structure, is regular and orderly in structural arrangement, is wholly permeable, has the pore diameter of 15-60 PPI, has the characteristics of comfort, lightness, thinness, softness and the like, and can be perfectly attached to a body. The main absorber and the secondary absorber are made of non-woven fabrics, wood pulp and high-molecular water-absorbent resin, and are made by adopting a heat seal technology, and the difference between the main absorber and the secondary absorber lies in that the absorption performance of the main absorber is greater than that of the secondary absorber, namely the difference of the contents of the internal high-molecular water-absorbent resin. In the scheme, the thickness of the main absorber and the memory cotton layer is 2.5mm, while the thickness of the secondary absorber can be set to be thinner, such as 1.5mm or 2mm, and the whole absorption performance is weaker. Of course, the sub-absorbent may be dispensed with, e.g., it may be integrally formed with the topsheet. The secondary absorbent is provided for the purpose of leakage prevention, and can effectively absorb body fluid leaking from the back side. By the arrangement, the body has the characteristics of comfort, lightness, thinness, softness and strong absorption capacity.
2. The water repellent strip is arranged to effectively weaken the rapid penetration of liquid along the length direction, so that the secondary absorber can be fully absorbed, the side leakage probability is effectively reduced, the side leakage time is delayed, and the side leakage amount is reduced. The strong water absorbing strips are similar to the water repellent strips, and only one water repellent strip is used for water absorption and the other water absorbent strip is used for water absorption. The end parts of the water repellent strips or the strong water absorption strips are spaced from the edge of the secondary absorber, and the length of each water repellent strip or the strong water absorption strip from the front end to the rear end in the length direction is gradually increased, so that the side leakage prevention effect can be effectively improved.
3. When the water repellent strip is an elastic rubber band, the purpose of water repellency can be achieved, and the bending of the body can be achieved through the compounding of the stretching state. In the scheme, when the body is in a free state, the elastic rubber band is arranged, and the tilting angles of the two ends of the body in the width direction are 15-30 degrees. The arrangement of the bending can effectively realize the improvement of the fit of the human body, so that the wearing comfort is improved.
4. The elastic rubber band is bonded on the upper end of the lower surface layer, the upper end of the elastic rubber band is lower than the upper surface layer and is not in contact with the upper surface layer, so that the bending formation can be effectively guaranteed, the liquid can be guaranteed not to be completely blocked in the height direction and only to be partially blocked, and the reverse osmosis of the secondary absorber is prevented.
5. The cavity can be formed through the convex parts, the cavity has a good side leakage prevention function, and due to the structure of the convex parts, the comfort level is higher when a human body is attached, and the flexible compression and balance can be realized under the state that the human body is attached by wearing the human body.
6. The through holes are arranged, so that body fluid mainly seeps downwards when the convex parts block the side leakage state, and can run out through the through holes when the seepage amount is large, and the secondary absorber can assist in absorption. It can realize the absorption of great amount of bodily fluid fast, can effectively prevent the side leakage moreover. The body fluid can be effectively discharged by the arrangement of the penetrating through hole. And the part of one side of penetrating the through hole and keeping away from the cavity is located the lower surface on the cotton layer of memory, and the part is located the side on the cotton layer of memory for penetrate the through hole and can not laminate with inferior absorber completely, lead to the body fluid discharge efficiency lower, but partial laminating part is unsettled, thereby can effectively realize the discharge of great volume, and can realize absorbing fast.
7. The cotton layer of memory is located the marginal part department on the cotton layer of memory with the main coincidence of inferior absorbent, it is fixed to connect through the mode of point gluing between cotton layer of memory and the inferior absorbent, can effectively reduce the adhesion area like this, reduce cost, can prevent the hardness of this position effectively moreover, promotes the softness can. And the adoption of point bonding mode, such as ultrasonic wave, gluing, etc. can effectively realize the improvement of softness performance, prevent to harden because of connecting.
8. The arrangement of the reinforced absorption strips can prevent the part from being incapable of absorbing and generating reverse osmosis due to the fact that the body fluid amount is large instantly.
9. The arc-shaped concave part can effectively realize the wearing comfort, and reduces the extrusion caused by the fit with the human body.
10. The second memory cotton layer can effectively realize the comfort of wearing the body on the whole, and has the defect that the cost can be correspondingly improved, and the part is not a key fitting part and does not need to be arranged.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a sanitary towel with memory function, its length direction and width direction have, includes the body, the body includes basement membrane, surface course and centre gripping and locates the layer that absorbs water between basement membrane and the surface course, its characterized in that: the water absorbing layer comprises a main absorber close to the front end of the length direction and a secondary absorber close to the rear end of the length direction, a memory cotton layer is arranged below the main absorber on the bottom film, one side, far away from the rear end of the length direction, of the secondary absorber is arranged below the memory cotton layer, the absorption performance of the secondary absorber is smaller than that of the main absorber, more than two water repellent strips are distributed in the secondary absorber at intervals from the front end to the rear end, the end part of each water repellent strip is spaced from the edge of the secondary absorber, each water repellent strip is gradually lengthened from the front end to the rear end of the length direction, each water repellent strip is an elastic rubber band, the width direction at the position of the secondary absorber on the body is in a bending state, when the body is in a free state, the tilting angles at the two ends of the width direction of the body are 15-30 degrees, the projection of the main absorber on the memory cotton layer is positioned in the memory cotton layer, the week of the cotton layer of memory upwards extends and is equipped with the convex part, the projection of convex part on the body becomes cyclic annular, and convex part and the cotton layer combination of memory form one and have the open-ended cavity that makes progress, main absorber arranges the cavity in, the upper end of convex part is arc, the upper end of convex part is higher than the up end of main absorber, the cotton layer of memory is close to one of secondary absorber and serves the through-hole that pierces through that is equipped with the intercommunication cavity, pierces through the through-hole and is located the connecting portion department on convex part and the cotton layer of memory, it contacts with secondary absorber to pierce through-hole, the cross section that pierces through the through-hole is by the outside grow gradually in one side that is close to the cavity, the upper surface of main absorber has the arc sunken in the width direction, just the sunken minimum of arc is located the middle part of main absorber width direction.
2. A sanitary napkin having a memory function according to claim 1, wherein: the secondary absorber comprises an upper surface layer, a middle water absorption layer and a lower surface layer, the elastic rubber band is bonded on the upper end of the lower surface layer, and the upper end of the elastic rubber band is lower than the upper surface layer and is not in contact with the upper surface layer.
3. A sanitary napkin having a memory function according to claim 1, wherein: one side part of the penetrating through hole, which is far away from the cavity, is positioned on the lower surface of the memory cotton layer, and the other side part of the penetrating through hole is positioned on the side surface of the memory cotton layer.
4. A sanitary napkin having a memory function according to any one of claims 1 to 3, wherein: the main overlapped part of the memory cotton layer and the secondary absorber is positioned at the edge part of the memory cotton layer, and the memory cotton layer and the secondary absorber are connected and fixed in a point bonding mode.
5. A sanitary napkin having a memory function according to claim 4, wherein: and the part of the secondary absorber, which is close to the memory cotton layer, is provided with a reinforced absorption strip, and the absorption performance of the reinforced absorption strip is greater than that of the secondary absorber.
6. A sanitary napkin having a memory function according to claim 1, wherein: the difference value between the lowest point and the highest point of the arc-shaped recess is less than 2 mm.
7. A sanitary napkin having a memory function according to any one of claims 1 to 3, wherein: a second memory cotton layer is arranged between the secondary absorber and the bottom film.
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| CN202110111217.XA CN112807155B (en) | 2021-01-27 | 2021-01-27 | Sanitary towel with memory function |
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| CN202110111217.XA CN112807155B (en) | 2021-01-27 | 2021-01-27 | Sanitary towel with memory function |
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| CN112807155B true CN112807155B (en) | 2022-03-25 |
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| CN114504436B (en) * | 2021-12-22 | 2023-08-18 | 保定市芊紫纸制品制造有限公司 | Skin softening sanitary towel for night |
| CN115281938A (en) * | 2022-08-03 | 2022-11-04 | 百润(中国)有限公司 | Preparation method of disposable sanitary product |
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