CN112315668A - Side leakage prevention sanitary towel - Google Patents

Side leakage prevention sanitary towel Download PDF

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Publication number
CN112315668A
CN112315668A CN202011332045.0A CN202011332045A CN112315668A CN 112315668 A CN112315668 A CN 112315668A CN 202011332045 A CN202011332045 A CN 202011332045A CN 112315668 A CN112315668 A CN 112315668A
Authority
CN
China
Prior art keywords
layer
sanitary towel
leakage
water
absorber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011332045.0A
Other languages
Chinese (zh)
Inventor
黄宏伟
张维军
吴军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Chuantian Sanitary Products Co ltd
Original Assignee
Wuhan Chuantian Sanitary Products Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Chuantian Sanitary Products Co ltd filed Critical Wuhan Chuantian Sanitary Products Co ltd
Priority to CN202011332045.0A priority Critical patent/CN112315668A/en
Publication of CN112315668A publication Critical patent/CN112315668A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4755—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being a flat barrier on or inside the absorbent article, e.g. backsheet wrapped around the edges
    • 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
    • A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4757—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being located outside the perimeter of the absorbent core
    • 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
    • A61F13/476—Sanitary towels, incontinence pads or napkins characterised by encircling the crotch region of the undergarment

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

The invention discloses a side leakage prevention sanitary towel which comprises a sanitary towel main body, wherein the sanitary towel main body is sequentially composed of a fabric layer, a flow guide layer, a bottom film and back release paper from top to bottom, an absorber coating layer is arranged between the flow guide layer and the bottom film, the absorber coating layer comprises an absorbing core, an absorber surface layer fully coating the absorbing core and a side leakage prevention layer coated outside the absorber surface layer, and even if the absorbing core is extruded and exuded, liquid can be blocked by the side leakage prevention layer and cannot overflow the surface of the sanitary towel, so that the side leakage prevention performance of the sanitary towel is greatly improved under the condition that the absorption capacity of the absorbing core is not reduced, and the inconvenience and the uncomfortable feeling brought to consumers by the side leakage phenomenon of the sanitary towel are avoided.

Description

Side leakage prevention sanitary towel
Technical Field
The invention relates to a sanitary towel, in particular to a side leakage prevention sanitary towel.
Background
The side leakage phenomenon of the use surface of the sanitary towel is generally prevented by three-piece or three-dimensional protecting walls in the current market, but the side leakage of a certain proportion still exists in the product adopting the design in the actual use, the liquid seepage of the absorber is easily caused by the extrusion of human body load after the absorber of the sanitary towel absorbs the liquid such as menstrual blood, because water-repellent hot air or water-repellent spun-bonded non-woven fabrics are generally adopted above the protecting walls at two sides, the water pressure resistance of the non-woven fabrics is mostly lower than 25bar and lower than the 30ba load pressure of the general human body, therefore, the seepage liquid can overflow to the surface of the sanitary towel from the non-woven fabric protecting walls above the two sides of the absorber, the underpants are polluted, inconvenience is brought to consumers, and negative physical and psychological effects are brought.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a side leakage prevention sanitary towel.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a prevent edge leakage sanitary towel, includes the sanitary towel main part, the sanitary towel main part from top to bottom is precoat, water conservancy diversion layer, basement membrane and back from type paper constitution in proper order, the water conservancy diversion layer with be provided with the absorber coating between the basement membrane, the absorber coating is including absorbing the core, full cladding absorb the absorber top layer and the cladding of core the side leakage layer is prevented outside the absorption body layer.
The side leakage prevention layer coats the left side and the right side of the surface layer of the absorber, and the upper end and the lower end of the side leakage prevention layer are respectively adhered to the upper surface and the lower surface of the surface layer of the absorber through structural adhesives.
The lateral leakage prevention layer coats the lower surface and the left side and the right side of the absorber surface layer, the left end and the right end of the lateral leakage prevention layer are adhered to the upper surface of the absorber surface layer through structural glue, and the two ends of the lower surface of the absorber surface layer are adhered to the lateral leakage prevention layer through structural glue.
The side leakage prevention layer is made of a composite material of water-repellent hot air non-woven fabric, water-repellent spun-bonded non-woven fabric, a waterproof film or a waterproof polyethylene film.
The weight per square meter of the water-repellent hot-air non-woven fabric is between 20 and 50 gsm.
The square meter weight of the water-repellent spun-bonded non-woven fabric is 18-45gsm, and the water-repellent spun-bonded non-woven fabric adopts any one of an SMS structure, an SMMS structure and an SSMMS structure.
The two ends of the upper surface of the fabric layer are connected with wing-protecting non-woven fabrics through structural adhesive.
And the back is provided with protective wing paper on two sides of the release paper, and the protective wing paper is adhered to the lower surface of the bottom film through a structural adhesive.
The bottom of the back release paper is connected with a coating film through three-point gluing.
The invention has the beneficial effects that: the sanitary towel comprises a fabric layer, a flow guide layer, a bottom film and back release paper from top to bottom in sequence, wherein an absorber coating layer is arranged between the flow guide layer and the bottom film and comprises an absorption core body, an absorber surface layer fully coating the absorption core body and a side leakage prevention layer coating the outside of the absorber surface layer, and even if the absorption core body is extruded and exuded, liquid can be blocked by the side leakage prevention layer and cannot overflow the surface of the sanitary towel, so that the side leakage prevention performance of the sanitary towel is greatly improved under the condition that the absorption capacity of the absorption core body is not reduced, and the inconvenience and the uncomfortable feeling brought to consumers by the side leakage phenomenon of the sanitary towel are avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
FIG. 2 is a schematic structural view of one of the absorber cladding embodiments;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
fig. 4 is a schematic structural view of a second embodiment of the absorber cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments. While the components of the embodiments of the present application, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations, all other embodiments within the purview of one skilled in the art based on the embodiments of the present invention are within the scope of the invention as claimed.
The directional or positional relationships "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., are indicative of those directions or positional relationships based on the drawings and are intended to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. To those of ordinary skill in the art, the above terms are understood in the specific sense of the present application as examples one:
referring to fig. 1 and 2, a side leakage prevention sanitary towel comprises a sanitary towel main body, wherein the sanitary towel main body sequentially comprises a fabric layer 1, a diversion layer 2, a bottom membrane 3 and back release paper 4 from top to bottom, structural glue is coated between each layer, and the sanitary towel is firmly adhered and has a certain ventilation effect.
The utility model discloses a sanitary towel, including the basement membrane 3, the basement membrane 3 is provided with the baffle layer 2, the baffle layer 3 is provided with the absorber coating 5 between the basement membrane, the absorber coating 5 is including absorbing core 6, full cladding absorbing core 6's absorber top layer 7 and cladding are in the lateral leakage layer 8 of preventing outside the absorber top layer 7, the involution of the package of absorber top layer is closed through the structure glue, even absorbing core 6 receives the liquid that extrudes and ooze and also can be blockked by lateral leakage layer 8, makes it unable spill over the sanitary towel surface, makes the sanitary towel under the absorptive capacity that does not reduce absorbing core 6, greatly improves self lateral leakage performance of preventing, stops inconvenience and the uncomfortable sense that sanitary towel lateral leakage phenomenon brought for the consumer.
The side leakage preventing layer 8 covers the left side and the right side of the absorber surface layer 7, the upper end and the lower end of the side leakage preventing layer 8 are respectively adhered to the upper surface and the lower surface of the absorber surface layer 7 through structural adhesives, and the side leakage preventing layer 8 can effectively resist liquid seeped out by the absorbing core body 6 due to pressure under the condition of minimum material consumption.
The absorption core 6 is formed by mixing fluff pulp with macromolecule absorption resin, can greatly absorb the liquid of the sanitary towel, and the absorption core 6 with extremely strong liquid absorption capacity can basically avoid the side leakage phenomenon of the sanitary towel by combining the leakage-proof performance of the absorber coating layer 5.
The side leakage prevention layer 8 is made of a composite material of water-repellent hot air non-woven fabric, water-repellent spun-bonded non-woven fabric, a waterproof film or a waterproof polyethylene film, and the side leakage prevention layer 8 has the characteristics of water resistance, good texture and air permeability.
The weight per square meter of the water-repellent hot-air non-woven fabric is between 20 and 50 gsm. The square meter weight of the water-repellent spun-bonded non-woven fabric is 18-45gsm, and the water-repellent spun-bonded non-woven fabric adopts any one of an SMS structure, an SMMS structure and an SSMMS structure, so that the side leakage prevention layer 8 is lighter and softer, and has the bacterium isolation capability of an adaptive degree.
Two ends of the upper surface of the fabric layer 1 are adhered with wing non-woven fabrics 9 through structure glue. And the back is provided with wing paper 10 at two sides of the release paper 4, and the wing paper 10 is adhered to the lower surface of the bottom film 3 through a structural adhesive. The bottom of the back release paper 4 is adhered with an envelope 11 through three glue dispensing 12.
Example two:
referring to fig. 3 and 4, a prevent edge leakage sanitary towel, includes the sanitary towel main part, the sanitary towel main part from top to bottom is precoat 1, water conservancy diversion layer 2, basement membrane 3 and back in proper order and constitutes from type paper 4, water conservancy diversion layer 2 with be provided with absorber coating 5 between the basement membrane 3, absorber coating 5 is including absorbing core 6, full cladding absorb core 6's absorber top layer 7 and the cladding be in outside the absorber top layer 7 prevent edge leakage layer 8.
Prevent that side leakage layer 8 will the lower surface and the left and right sides cladding of absorber top layer 7, prevent that side leakage layer 8's both ends pass through the structure glue with the upper surface adhesion of absorber top layer 7, the lower surface both ends of absorber top layer 7 pass through the structure glue with prevent the adhesion of side leakage layer 8, compare in embodiment one, should prevent that side leakage layer 8 can keep out the liquid that absorbs core 6 and ooze because of pressure effectively equally, and change the production equipment of easy sanitary towel, shortened the production processes of sanitary towel.
The side leakage prevention layer 8 is made of a composite material of water-repellent hot air non-woven fabric, water-repellent spun-bonded non-woven fabric, a waterproof film or a waterproof polyethylene film.
The weight per square meter of the water-repellent hot-air non-woven fabric is between 20 and 50 gsm.
The square meter weight of the water-repellent spun-bonded non-woven fabric is 18-45gsm, and the water-repellent spun-bonded non-woven fabric adopts any one of an SMS structure, an SMMS structure and an SSMMS structure.
Two ends of the upper surface of the fabric layer 1 are adhered with wing non-woven fabrics 9 through structure glue.
And the back is provided with wing paper 10 at two sides of the release paper 4, and the wing paper 10 is adhered to the lower surface of the bottom film 3 through a structural adhesive.
The bottom of the back release paper 4 is adhered with an envelope 11 through three glue dispensing 12.
The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.

Claims (9)

1. The utility model provides a prevent edge leakage sanitary towel, includes the sanitary towel main part, the sanitary towel main part from top to bottom is precoat (1), water conservancy diversion layer (2), basement membrane (3) and back in proper order and constitutes from type paper (4), its characterized in that water conservancy diversion layer (2) with be provided with absorber coating (5) between basement membrane (3), absorber coating (5) are including absorbing core (6), full cladding absorb absorber top layer (7) and the cladding of core (6) prevent edge leakage layer (8) outside absorber top layer (7).
2. The side leakage preventing sanitary napkin according to claim 1, wherein the side leakage preventing layer (8) covers both left and right sides of the absorbent body sheet (7), and upper and lower ends of the side leakage preventing layer (8) are respectively adhered to upper and lower surfaces of the absorbent body sheet (7) by a structural adhesive.
3. The edge leakage preventing sanitary napkin according to claim 1, wherein the edge leakage preventing layer (8) covers the lower surface and the left and right sides of the absorbent body cover layer (7), the left and right ends of the edge leakage preventing layer (8) are bonded to the upper surface of the absorbent body cover layer (7) by structural adhesive, and the lower surface of the absorbent body cover layer (7) is bonded to the edge leakage preventing layer (8) by structural adhesive.
4. The side-leakage-preventing sanitary napkin according to any one of claims 1 to 3, wherein the side-leakage-preventing layer (8) is made of a composite material of a water-repellent hot-air nonwoven fabric, a water-repellent spun-bonded nonwoven fabric, a water-repellent film or a water-repellent polyethylene film.
5. The edge leakage prevention sanitary napkin of claim 4 wherein the water-repellent hot air non-woven fabric has a weight per square meter of between 20 and 50 gsm.
6. The edge leakage prevention sanitary napkin of claim 4 wherein the water-repellent spunbond nonwoven has a weight in square meters of 18 to 45gsm and is any one of SMS, SMMS and SSMMS.
7. The side-leakage-preventing sanitary napkin according to claim 1, wherein the wings nonwoven (9) are adhered to both ends of the upper surface of the fabric layer (1) by structural adhesive.
8. The side-leakage-preventing sanitary napkin according to claim 1, wherein wing paper (10) is mounted on both sides of the back release paper (4), and the wing paper (10) is adhered to the lower surface of the bottom film (3) by a structural adhesive.
9. The side-leakage-preventing sanitary napkin according to claim 1, wherein the back release paper (4) is adhered at its bottom with a coating (11) by three glue sites (12).
CN202011332045.0A 2020-11-24 2020-11-24 Side leakage prevention sanitary towel Pending CN112315668A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011332045.0A CN112315668A (en) 2020-11-24 2020-11-24 Side leakage prevention sanitary towel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011332045.0A CN112315668A (en) 2020-11-24 2020-11-24 Side leakage prevention sanitary towel

Publications (1)

Publication Number Publication Date
CN112315668A true CN112315668A (en) 2021-02-05

Family

ID=74307868

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011332045.0A Pending CN112315668A (en) 2020-11-24 2020-11-24 Side leakage prevention sanitary towel

Country Status (1)

Country Link
CN (1) CN112315668A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113633471A (en) * 2021-08-17 2021-11-12 诺宸股份有限公司 Absorbent article and method of making same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113633471A (en) * 2021-08-17 2021-11-12 诺宸股份有限公司 Absorbent article and method of making same

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