PANTIES WITH SELF-ADHESIVE AND REUSABLE LINING

Abstract

REUSABLE SELF-ADHESIVE LINING PANTIES The invention relates to panties (1) with a reusable self-adhesive lining (3) comprising panties (1) with a gusset (2) at the crotch. The lining (3) supplied with these panties (1) has an outer layer (5), a waterproof layer (4), absorbent layers (3), a surface layer (2), and an outer layer (7) that is self-adhesive to the gusset (2) at the crotch of various styles of panties. Figure for the abstract: Figure 3

Description

Title of the invention: PANTIES WITH SELF-ADHESIVE AND REUSABLE LINING Technical field of the invention

[0001] The present invention relates to panties and absorbent articles in the field of consumer goods, in particular to liners which can be self-adhesive to the panties and washed for reuse, daily or during menstrual cycles. Background to the invention

[0002] Sanitary napkins are absorbent pads intended for women who are menstruating, after vaginal surgery, after childbirth, or in any other situation where an absorbent material is needed for fluids or blood flowing from the vagina.Conventional sanitary napkins are composed of 5 layers: the top layer is in direct contact with the user's skin and allows menstrual blood and vaginal discharge to penetrate into the sanitary napkins; the transfer layer is placed just below the top layer and has the effect of evenly absorbing menstrual blood and vaginal discharge into the sanitary napkins; the absorbent layer has the effect of sucking and holding menstrual blood and vaginal discharge in the sanitary napkins; the back layer is placed under the absorbent layer to prevent absorbed menstrual blood and vaginal discharge from leaking out; the outer layer is placed under the back layer, which prevents absorbed menstrual blood and vaginal discharge from leaking out and gives a soft touch feeling.However, due to the many layers, daily use of sanitary napkins during menstruation can be easily suffocating, cause itching and gynecological inflammation, easily give off odors and produce bacteria because the blood is in contact with the air. Besides the need for use during menstruation, women also need to use them daily to absorb random discharge or in the first days of menstruation, when menstrual blood flow is low, but due to the limitations and this discomfort, sanitary napkins do not meet the needs.

[0003] The majority of menstruating women use disposable sanitary napkins that are marketed as being thinner with increased absorbency, the absorbent core is made of wood pulp, the absorbent gel is made of a super absorbent polymer, the wings have a non-degradable adhesive to hold them in place, and other materials such as polypropylene and polyethylene are added. Disposable sanitary pads are primarily made of plastic. At the same time, a woman will use an average of 12,000 sanitary products in her lifetime, and a pack of disposable sanitary pads can contain as much plastic as four plastic bags and can take up to 500 years for the plastic to degrade.

[0004] Currently, there are also reusable panty liners on the market that are inserted between the layers of the crotch and therefore have the disadvantage of soiling the panties and cannot be easily replaced or cannot be used in case of heavy losses or menstrual bleeding, or panty liners attached by a plastic button or hooks, which get stuck easily, are difficult to use, are normally quite thick, uncomfortable, are not practical and cannot be used in case of heavy losses or menstrual bleeding. In addition, the material of these liners is made of materials that cause feelings of suffocation, discomfort, allergies and friction on the user's skin.

[0005] Indian Patent Application Publication No. IN201921052818 discloses low-cost reusable sanitary napkins in the form of ordinary winged sanitary napkins that can be reused up to 40 times after being washed, comprising: a top layer of cellulose nonwoven fabric, three intermediate layers of absorbent viscose nonwoven fabric or microfiber fabric between layers of support structure and an outer cover formed by cotton poplin fabric having water-repellent properties, the layer absorbing 8 ml of blood in 30 seconds and having a rewetting value of 0.59 grams, the inner layer withstanding 35 wash cycles and the intermediate layers being attached to the outer cover by ultrasonic stitches that pass through the edges of the reusable sanitary napkins, a shape having rectangular side wings extending from a central portion,fastening means attached to outer parts of the side wings, the fastening means being adapted to attach the reusable sanitary napkin to a user's underwear. Being a sanitary napkin of normal structure, the present invention aims to create a product that is inexpensive and reusable by virtue of the washing process, but it is made of many layers similar to those of single-use sanitary napkins, it has an attachment to the panties on the wings in the form of a rough tape that easily causes discomfort when in contact with the skin and this attachment will reduce its effectiveness after washing and drying, the product may come off at any time during use because the adhered surface is small. ,

[0006] US Patent Application Publication No. US20220249303 discloses a reusable sanitary napkin and a panty combined with a sanitary napkin reusable, comprising: an outer body comprising a base layer component which has an upper surface, and an upper impermeable layer component which has a connecting surface attached to said upper surface of said base layer component, a skin contacting surface opposite said connecting surface, and a through-hole extending through said skin contacting surface and said connecting surface; a first absorbent fabric component attached to said upper surface of said base layer component, and facing said through-hole; and a skin-contacting fabric component attached between said first absorbent fabric component and said connecting surface of said upper impermeable layer component and covering a lower face of said through-hole, such that a boundary of said through-hole being provided on said skin-contacting fabric component,the through hole is smaller than said first absorbent fabric component, two fins connected respectively to opposite lateral sides of said outer body, and a fixing unit connected to said fins for interconnecting said fins, a second absorbent fabric component fixed between said base layer component and said skin contact fabric component, and being smaller than said first absorbent fabric component, the first absorbent fabric and the second component are composed of a material selected from a group consisting of woven fabrics, non-woven fabrics and a combination thereof, the second absorbent fabric component is opposite said through hole and is fixed to one of the upper and lower sides of said first absorbent fabric component, the waterproof top layer component is composed of fiber fabric laminated with a waterproof layer,at least one pad attachment component disposed on an underside of said base layer component, and adapted to be disposed on a crotch section of a panty and coupled to at least one pad attachment component mounted on the crotch section, at least one pad attachment component is adapted to be removably coupled to the at least one pad attachment component of the panty. A combined panty and reusable sanitary pad, comprising: a panty having a crotch section adapted to be disposed between the thighs of a wearer; and a reusable sanitary pad connected to said crotch section of said panty, and comprising an outer body which comprises, a base layer component having an upper surface, and an upper impermeable layer component having a connecting surface which is attached to said upper surface of said base layer component,a skin contacting surface which is opposite said connecting surface, and a through hole which extends through said skin contacting surface and said connecting surface, a first absorbent fabric component which is attached to said upper surface of said base layer component, and which is opposite, said through-hole, and a skin-contacting fabric component which is secured between said first absorbent fabric component and said connecting surface of said upper impermeable layer component, such that fluid passing through said through-hole flows through said skin-contacting fabric component into said first absorbent fabric component, the through-hole being smaller than said first absorbent fabric component, the reusable sanitary napkin further comprises a second absorbent fabric component secured between said base layer component and said skin-contacting fabric component, and being smaller than said first absorbent fabric component, the panty further comprises at least one panty attachment component mounted on said crotch section;and said reusable sanitary napkin further comprises at least one napkin fastening component disposed on a lower face of said base layer component and coupled to said at least one panty fastening component, at least one napkin fastening component of said reusable sanitary napkin is removably coupled to said at least one panty fastening component of said panty. The invention has the advantage that sanitary napkins can be reused and fastened to the panty by means of a button clip. However, the fastening type with a plastic button can easily get stuck, is difficult to use, inconvenient and is also not used. In case of heavy discharge or menstrual blood, dirt easily adheres to the button and is difficult to clean, which can cause infection during use. ; Summary of the invention

[0007] Therefore, the present invention provides a panty with a self-adhesive and reusable liner that addresses the aforementioned drawbacks. More specifically, the present invention provides a liner whose shape and thickness are suitable for all types of women's panties, such as triangular panties, boxers, etc., which can be self-adhesive to the crotch gusset of the wingless panty with glue or hook-and-loop tape or buttons or hooks, used daily to absorb random losses or before and during menstruation with variable menstrual blood flow, each liner being composed of 2 to 5 layers of absorbent, breathable, quick-drying, odor-preventing, antibacterial, washable and reusable material up to 50 times.

[0008] Accordingly, the first objective of the invention is that the lining has an outer layer which can be self-adhesive to the crotch gusset of the panties in different forms.

[0009] The second objective of the invention is that the lining has the ability to limit antibacterial activity, to be cleaned and to prevent gynecological inflammation.

[0010] The third objective of the invention is that the liner and the panty can be washed and reused up to 50 times without affecting the absorbency and self-adhesion.

[0011] The fourth objective of the invention is that the liner has the ability to be self-adhesive to the panty and can be reused in order to protect the environment and reduce plastic waste from the use of sanitary napkins by women.

[0012] The fifth objective of the invention is that the ability of the lining to be self-adhesive to the panties can improve the comfort of the user when using it because it is less thick and does not cause feelings of suffocation or itching.

[0013] The sixth objective of the present invention is that the self-adhesive and reusable liner panties are user-friendly, easy to use and replace as needed, a simple process even for girls who are reaching puberty.

[0014] To achieve the above-mentioned objectives, according to the first aspect, the present invention provides a panty with a self-adhesive and reusable lining, composed of:

[0015] panties with a gusset at the crotch;

[0016] the lining provided with this panty comprises the outer layer, the waterproof layer, the absorbent layers are made of breathable cotton fabric, the surface layer in contact with the skin is made of good quality absorbent fabric;

[0017] the difference is that:

[0018] the outer layer of the lining has the ability to stick to the crotch gusset of the panties because both of these are made of a self-adhesive fabric, i.e. a fabric that can stick to itself when two sides of the same fabric are pressed together, it has a composition of 100% polyester, a fabric weight per square meter of 219 g / m2, a yarn size and fineness of 11.111 tex (100 D), and a thickness size of 36 gauge.

[0019] The second aspect relates to a panty with a self-adhesive and reusable liner according to aspect 1, in which the liner and the panty can be washed and reused up to 50 times.

[0020] The third aspect relates to a panty with a self-adhesive and reusable liner according to aspect 1, in which the panty with gusset can be used independently as a normal panty without the liner because the fabric of the gusset is very soft and comfortable in contact with the skin and does not cause friction or itching.

[0021] The fourth aspect relates to a panty with a self-adhesive and reusable liner according to aspect 1, in which each liner is made of 2 to 5 layers of absorbent, breathable, quick-drying, odor-preventing fabric. Brief description of the drawings

[0022] The signs and advantages of the present invention will be described below on the basis of the attached drawings, in which:

[0023] [Fig-1] [Fig.l] is a perspective diagram of a self-adhesive liner and reusable according to the present invention, showing the liner viewed from the outer layer on the side in contact with the user.

[0024] [Fig.2] [Fig.2] is a perspective diagram of a self-adhesive liner and reusable according to the present invention, showing the liner layers.

[0025] [Fig.3] [Fig.3] is a perspective diagram of a pair of panties with lining self-adhesive and reusable according to the present invention, showing the liner in its state of use in the panties. Detailed description

[0026] As shown in Figures 1, 2 and 3, the panties 1 with self-adhesive and reusable lining 3 of the present invention are constituted by the following parts and functions:

[0027] The panties 1, which come in different styles according to the needs of the user, such as triangle panties, boxer shorts, etc., are made of different fabrics such as nylon, spandex, polyester, cotton, lace, embroidery, etc., in particular the gusset 2 at the crotch of the panties is made of self-adhesive fabric, i.e., a fabric that can stick to itself when two sides of the same fabric are pressed together, it has a composition of 100% polyester, a fabric weight per square meter of 219 g / m2, a yarn size and fineness of 11.111 tex (100 D), and a thickness size of 36 gauge.

[0028] The gusset 3 is made of the surface layer 4 or the transfer layer in contact with the skin is made of good quality absorbent fabrics which are soft when in direct contact with the user's skin without generating friction. The absorbent layers 5 are made of breathable cotton, the waterproof layer 6 and the outer layer 7 are made of self-adhesive fabric made of 100% polyester, a fabric weight per square meter of 219 g / m2, a yarn size and fineness of 11.111 tex (100 D) and a thickness size of 36 gauge. The absorbent layers 5, numbering from 2 to 5, change the product to meet the needs of daily use, people who cannot control urine leakage and heavy menstrual days. The layers are connected by ultrasonic stitching which does not cause itching or discomfort upon contact.

[0029] The panty 1 can be used independently as ordinary panties without the lining 3 due to the self-adhesive fabric which makes the gusset 2 very soft and comfortable in contact with the skin and does not cause friction or itching.

[0030] The absorbent layers 5 are made of breathable cotton that keeps the user dry, prevents feelings of suffocation and is thermoregulating, so that it is suitable even for daily use of the liner 3 without feeling hot or uncomfortable.

[0031] Due to its self-adhesive ability, the panty 1 with lining 3 is easy to use and convenient for everyone, including girls who are reaching puberty, the replacement of the lining 3 is quick and easy, the fabric is soft and special without wings and does not use glue, so there is no rubbing effect on the skin of the thighs or groin, the use by the user is also comfortable.

[0032] The panties 1 with the liner 3 can be washed after use and reused up to 50 times due to the thin, breathable layers that allow for quick drying, without mold or odor. In addition, the materials are durable, so that repeated use does not affect the absorbent and self-adhesive properties of the gusset 2 on the crotch of the panties 1 and the liner 3. Examples of implementation of the invention

[0033] Through the process of research and testing, we have manufactured a panty with self-adhesive and reusable lining, the structure and testing of which are described below:

[0034] The ordinary triangular panty is made of spandex fabric and the gusset at the crotch of the panty is made of self-adhesive fabric having a composition of 100% polyester, a fabric weight per square meter of 219 g / m2, a yarn size and fineness of 11.111 tex (100 den), and a thickness size of 36 gauge. The gusset is shaped like a number 8 with a large end, a small end and a narrowing in the middle.

[0035] The liner has a shape similar to that of the bellows and consists of 5 layers: the outer layer is made of a self-adhesive fabric made of 100% polyester, a fabric weight per square meter of 219 g / m2, a yarn size and fineness of 11.111 tex (100 D) and a thickness size of 36 gauge, the waterproof layer is made of a thin plastic screen, the 2 absorbent layers are made of cotton and the surface layer is made of a breathable fabric.

[0036] The liner has tested adhesion to the crotch gusset of the panties without deformation or opening of the edges, it is quick to apply and easy to remove up to hundreds of times.

[0037] The reusability was tested by washing and drying in a washing machine at 40°C. The product can be washed up to 50 times, while maintaining good adhesion and non-detaching edges, and no reduction in capacity absorption is still possible, still allowing liquid absorption of up to 25 ml. Effect of the invention

[0038] The panties with self-adhesive and reusable lining of the invention make it possible to obtain the following advantages:

[0039] Practical, quick and clean to use, it is easy to replace depending on the needs of daily use or days of heavy menstruation. Simply slide the lining and gently press it against the crotch of the panties to position the gusset.

[0040] The fabric is made of a soft surface layer and does not use any fins or glue, nor buttons to fix the pad so that it will not come off by friction, it will be pleasant to use at the thighs and groin which will be able to move easily.

[0041] Washing and reuse should reduce environmental pollution from solid waste, particularly plastic waste, which can take up to 500 years to degrade.

[0042] Safety and savings are particularly important, even in remote areas where it is difficult to purchase feminine hygiene products, because the panties and liners are reusable and can be stored for years.

[0043] [Table 1] List of reference signs: (1). Panty (2). Gusset (3). Lining (4). Surface layer (5). Absorbent layer (6). Waterproof layer (7). Outer layer

Claims

Claims

1. Panties with self-adhesive and reusable lining comprising panties (1) with a gusset (2) at the crotch, a lining (3) provided with these panties (1) having an outer layer (7), a waterproof layer (6), absorbent layers (5) made of breathable cotton fabric, a surface layer (4) in contact with the skin being made of a good quality absorbent fabric, characterized in that: the outer layer (7) of the lining (3) has the ability to stick to the gusset (2) of the crotch of the panties (1) because these two elements are made of a self-adhesive fabric, i.e. a fabric that can stick to itself when two sides of the same fabric are pressed against each other, the fabric having a composition of 100% polyester, a fabric weight per square meter of 219 g / m2, a yarn size and fineness of 11.111 tex (100 D), and a 36 gauge thickness size,so that the liner (3) and the panties (1) can be washed and reused up to 50 times.,

2. Panties with self-adhesive and reusable lining according to claim 1, wherein the panties (1) with gusset (2) can be used independently as normal panties (1) without the lining (3) because the fabric of the gusset (2) is very soft and comfortable in contact with the skin and does not cause chafing or itching.

3. A reusable self-adhesive liner panty according to claim 1, wherein the liner (3) is made of 2 to 5 layers of absorbent, breathable, quick-drying, odor-preventing fabric.

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