Non-slip cotton sanitary pad

Abstract

Disclosed is a non-slip cotton sanitary pad, including a pad body, configured such that a cotton lining, an absorption pad and a waterproof cover are sequentially stacked, and a pair of wings protruding from both sides of the pad body, wherein the pair of wings protruding from both sides of the pad body includes a fastener so that the wings are fastened together in a folded state on the same surface, the cotton sanitary pad is disposed such that the waterproof cover contacts underwear, and the waterproof cover includes a non-slip member on the surface contacting the underwear.

Claims

1. A non-slip reusable cotton-lined sanitary pad, comprising: a pad body, configured such that a cotton lining, an absorption pad and a waterproof cover are sequentially stacked, and a pair of wings protruding from both sides of the pad body, wherein the pair of wings protruding from both sides of the pad body includes a fastener so that the wings are fastened together in a folded state on the same surface, wherein a non-slip member is provided on an outer surface of the waterproof cover such that the non-slip member is disposed between the waterproof cover and an underwear, the non-slip member is made of a silicone material, and is thermally fused to the waterproof cover, the fastener includes buttons or hook-and-loop closures, and the waterproof cover is subjected to polyurethane waterproof coating.

2. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the non-slip member is formed on an entire surface of the waterproof cover, a pad body portion of the waterproof cover, or wing portions of the waterproof cover.

3. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the non-slip member is thermally fused to the surface of the waterproof cover, the non-slip member being in a form of a single continuous layer, a discontinuous pattern layer, or a mixed layer in which a continuous layer and a discontinuous pattern layer are provided in compartments.

4. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the cotton sanitary pad is a cotton sanitary napkin or a cotton urinary incontinence pad.

5. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the cotton lining is positioned on an inner surface of the cotton sanitary pad.

6. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the absorption pad is made out of a natural absorption material.

7. The non-slip reusable cotton-lined sanitary pad of claim 6, wherein the natural material is cotton wool or cotton fiber.

8. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the waterproof cover is made out of a sheet or fabric cloth subjected to the polyurethane waterproof coating.

9. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the waterproof cover constituting the outer surface of the sanitary pad is formed so as to be the same size as the cotton lining.

10. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the non-slip member composed of the silicone non-slip material has a higher frictional force with the underwear than with the waterproof cover.

11. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the silicone non-slip member may further include rubber or polymer materials.

12. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein a central portion of the pad body including the absorption pad stacked under the cotton lining and the waterproof cover stacked thereunder are integratedly fixed through sewing or adhesion by the state of being sequentially stacked.

13. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the absorption pad, cotton lining, and waterproof cover are integratedly fixed through sewing.

14. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein an outer circumferential surface of the sanitary pad is further sewn with a finishing material.

15. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the cotton sanitary pad is free of adhesives or adhesive members comprising chemical components not limited to those commonly in double-sided tape.

16. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the cotton sanitary pad is manufactured in a variety of sizes and shapes to suit the physical body size of the user and/or to suit the amount of absorbate by the user.

17. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the cotton sanitary pad may be repeatedly reused after washing.

18. The non-slip reusable cotton-lined sanitary pad of claim 1, wherein the buttons or hook-and-loop closures are positioned on a location on the wings to prevent vertical and lateral movement of the cotton sanitary pad.

19. The non-slip reusable cotton-lined sanitary pad of claim 18, wherein the non-slip member further prevents the longitudinal movement of the cotton sanitary pad by creating a frictional force between the non-slip member and the underwear.

20. The non-slip reusable cotton-lined sanitary pad of claim 19, wherein leakage of absorbate is reduced due to the combination of the buttons or the hook-and-loop closures, the wings, and the non-slip member, as compared to conventional, disposable sanitary pads.

Description

BRIEF DESCRIPTION OF DRAWINGS

(1) FIG. 1 is a perspective view showing the inner surface of a cotton sanitary pad according to a conventional technique and the present invention;

(2) FIG. 2 is a perspective view showing the outer surface of a non-slip cotton sanitary pad according to the present invention;

(3) FIGS. 3 and 4 show the non-slip cotton sanitary pad according to the present invention before and after application to the underwear;

(4) FIG. 5 is a cross-sectional view in a longitudinal direction of the non-slip cotton sanitary pad according to the present invention, taken along line A-A′ of FIG. 1;

(5) FIG. 6 is a cross-sectional view in a lateral direction of the non-slip cotton sanitary pad, taken along line B-B′ of FIG. 4;

(6) FIGS. 7A and 7B schematically show the lateral movement of the conventional cotton sanitary pad and the non-slip cotton sanitary pad according to the present invention when applied to underwear;

(7) FIG. 8 is a cross-sectional view in a longitudinal direction of the non-slip cotton sanitary pad, taken along line C-C′ of FIG. 4;

(8) FIGS. 9A and 9B schematically show the longitudinal movement of the conventional cotton sanitary pad and the non-slip cotton sanitary pad according to the present invention when applied to underwear;

(9) FIG. 10 schematically shows the lateral movement of the conventional cotton sanitary pad when applied to underwear; and

(10) FIG. 11 schematically shows a non-slip cotton sanitary pad according to an exemplary embodiment of the present invention.

DESCRIPTION OF SPECIFIC EMBODIMENTS

(11) Hereinafter, a detailed description will be given of embodiments of the present invention, which are merely set forth to illustrate the present invention but are not to be construed as limiting the scope of the present invention.

(12) The present invention pertains to a non-slip cotton sanitary pad, comprising a pad body, configured such that a cotton lining, an absorption pad and a waterproof cover are sequentially stacked, and a pair of wings protruding from both sides of the pad body, in which the pair of wings protruding from both sides of the pad body includes a fastener so that the wings are fastened together in a folded state on the same surface, the cotton sanitary pad is disposed such that the waterproof cover contacts the underwear, and the waterproof cover includes a non-slip member on the surface contacting the underwear.

(13) The cotton lining, the absorption pad and the waterproof cover are fixed through sewing or adhesion in the state of being sequentially stacked. In consideration of the purpose of use of the cotton sanitary pad according to the present invention, they are preferably fixed through sewing.

(14) Specifically, the absorption pad is preferably made of a natural absorption material, especially cotton wool or cotton fiber having a predetermined thickness.

(15) The material for the waterproof cover is not particularly limited, and may be a sheet or fabric cloth, or may be a waterproof material so that absorbate does not leak to the outside from the absorption pad after absorption of menstrual blood or urine (absorbate).

(16) Here, it is preferred that the waterproof cover be made of a fabric cloth subjected to waterproof coating and particularly polyurethane waterproof coating.

(17) In the non-slip cotton sanitary pad according to the present invention, the pair of wings protruding from both sides of the pad body may include a fastener so that the wings are fastened together in a folded state in the same direction.

(18) Specifically, ends of the pair of wings are provided with the fastener, whereby the cotton sanitary pad according to the present invention is fixed to the underwear while being limited in movement in vertical and lateral directions in a manner in which the pair of wings is folded on the surface of the underwear opposite the surface contacting the cotton sanitary pad, the wings being fastened to each other by means of the fastener.

(19) The fastener may include buttons or hook-and-loop closures. For example, snap buttons may be disposed on respective wings of the cotton sanitary pad so that the pair of wings may be fastened in a partially overlapping state. Likewise, hook-and-loop closures may be provided on respective wings of the cotton sanitary pad.

(20) The non-slip cotton sanitary pad according to the present invention is disposed such that the waterproof cover of the cotton sanitary pad contacts the underwear, and the waterproof cover includes the non-slip member on the surface contacting the underwear. The non-slip member is formed only on the surface of the waterproof cover that is in contact with the underwear, whereby the cotton sanitary pad, which is limited in movement in vertical and lateral directions by the fastener, is also limited in movement in a longitudinal direction, ultimately ensuring stability of wearing of the cotton sanitary pad and enabling active motion of the user who wears the same.

(21) As described above, contemporary women who repeatedly stand and sit frequently suffer from a phenomenon in which absorbate leaks to the rear, and thus the longitudinal movement of the sanitary pad is prevented, thereby effectively preventing the absorbate from leaking.

(22) Specifically, the non-slip member is not particularly limited, so long as it is provided on the surface of the waterproof cover that is in contact with the underwear. For example, the non-slip member may be provided on the entire surface of the waterproof cover, the pad body portion of the waterproof cover, or the wing portions of the waterproof cover. Preferably, the non-slip member is provided on the pad body portion of the waterproof cover.

(23) The non-slip member is not particularly limited, so long as it is able to prevent the longitudinal movement of the cotton sanitary pad that is placed on the underwear, and preferably, the non-slip member is made of a silicone material and may be thermally fused to the waterproof cover. Specifically, the non-slip member may be thermally fused in the form of a single continuous layer, a discontinuous pattern layer, or a mixed layer in which a continuous layer and a discontinuous pattern layer are provided in compartments.

(24) The non-slip cotton sanitary pad according to the present invention may be a cotton sanitary napkin or a cotton urinary incontinence pad.

(25) Below, the present invention is described in more detail with reference to the appended drawings, but the scope of the present invention is not limited thereto.

(26) FIG. 1 is a perspective view showing the inner surface of a cotton sanitary pad according to a conventional technique and the present invention. With reference to FIG. 1, the cotton lining 1 is disposed on the inner surface of the cotton sanitary pad, and a pad body, which is the central portion in the length direction thereof, and a pair of wings protruding from both sides of the pad body, are shown.

(27) The ends of the pair of wings are provided with a pair of snap buttons 4, 4′, and snap buttons are provided on different surfaces of the wings so that the wings are fastened together in a folded state in the direction opposite the inner surface. For convenience, only the buttons are shown in the drawings, but hook-and-loop closures may be provided on different surfaces of the wings.

(28) At the central portion of the pad body, the absorption pad 2 stacked under the cotton lining and the waterproof cover stacked thereunder are sewn so as to be integratedly fixed.

(29) FIG. 1 shows the configuration of the inner surface of the cotton sanitary pad according to the present invention, which is the same as the conventional cotton sanitary pad.

(30) FIG. 2 is a perspective view showing the outer surface of the non-slip cotton sanitary pad according to the present invention. With reference to FIGS. 1 and 2, the cotton lining 1 is positioned on the inner surface shown in FIG. 1, and the waterproof cover 3 is positioned on the outer surface shown in FIG. 2. The absorption pad 2 is interposed between the cotton lining and the waterproof cover. As shown in FIG. 2, the waterproof cover 3 constituting the outer surface of the cotton sanitary pad is formed so as to be the same size as the cotton lining 1, and functions to prevent not only the absorbate in the absorption pad 2 but also the absorbate in the inner surface of the cotton sanitary pad from flowing to the underwear or leaking to the outside.

(31) The waterproof cover 3 shown in FIG. 2 comes into contact with the underwear, and in order to prevent the cotton sanitary pad from moving from the underwear, the entire surface 3a+3b of the waterproof cover may be provided with the non-slip member. Alternatively, even when the non-slip member is provided on the pad body portion 3a of the waterproof cover or the wing portions 3b of the waterproof cover, it is possible to prevent the longitudinal movement of the non-slip cotton sanitary pad.

(32) FIGS. 3 and 4 illustrate the non-slip cotton sanitary pad according to the present invention, which is applied to the underwear.

(33) With reference to FIGS. 3 and 4, the outer surface of the non-slip cotton sanitary pad according to the present invention, that is, the surface on which the waterproof cover 3 is positioned, is disposed so as to contact the underwear 5. The pair of wings is fastened on the surface of the underwear opposite the surface contacting the cotton sanitary pad, whereby the cotton sanitary pad is primarily fixed, and thus the movement thereof is prevented in vertical and lateral directions. The longitudinal movement of the non-slip cotton sanitary pad is effectively prevented by the non-slip member provided on the outer surface of the waterproof cover. Although prevention only of the longitudinal movement by the non-slip member is described, the lateral movement may also be more effectively prevented.

(34) FIG. 5 is a cross-sectional view in a longitudinal direction of the non-slip cotton sanitary pad according to the present invention, taken along the line A-A′ of FIG. 1.

(35) With reference to FIGS. 1 and 5, the cotton lining, the absorption pad, and the waterproof cover are sequentially stacked downwards and sewn, and the outer circumferential surface of the cotton sanitary pad is further sewn with a finishing material. The absorption pad may be configured to be positioned at the central portion with which the absorbate first comes into contact, and if necessary, the cotton lining and the waterproof cover may be formed so as to be the same size.

(36) The non-slip member is positioned on the surface of the waterproof cover opposite the surface contacting the absorption pad, and a discontinuous layer may be illustrated in the drawing, but a single continuous layer may alternatively be provided.

(37) FIG. 6 is a cross-sectional view in a lateral direction of the non-slip cotton sanitary pad, taken along the line B-B′ of FIG. 4.

(38) With reference to FIGS. 4 and 6, the cotton sanitary pad is placed on the surface of the underwear that contacts the human body so that the waterproof cover 3 and the non-slip member 6 are in contact therewith, and the pair of wings of the cotton sanitary pad is fixed by the fastener 4 in a folded state on the opposite surface thereof.

(39) Accordingly, the cotton sanitary pad is prevented from being separated from the underwear 5, and vertical movement thereof is prevented. Briefly, the cotton sanitary pad is allowed to come into close contact with the surface of the underwear between the human body and the underwear.

(40) FIGS. 7A and 7B schematically show the lateral movement of the conventional cotton sanitary pad and the non-slip cotton sanitary pad according to the present invention when applied to the underwear.

(41) As described above, the cotton sanitary pad according to the present invention may be fixed to the underwear by means of the pair of wings and the fastener provided therein, and furthermore, the lateral movement of the pad body may be prevented. The pair of wings and the fastener are also provided in a conventional cotton sanitary pad, whereby the lateral movement and the vertical movement of the cotton sanitary pad may be prevented. However, the cotton sanitary pad according to the present invention may further include the non-slip member on the outer surface of the waterproof cover, that is, on the surface of the cotton sanitary pad contacting the underwear, thus more effectively preventing lateral movement thereof.

(42) In particular, although the sanitary pad may be manufactured so as to have a size or shape that varies depending on the amount of the absorbate and the physical body of a user, it is preferred that the size and shape of a typical cotton sanitary pad be maintained in terms of carrying ability, absorption efficiency of the absorbate and ease of manufacture. Thus, the cotton sanitary pad according to the present invention has the same size and shape as a conventional cotton sanitary pad and is characterized by reduced leakage of the absorbate by preventing the movement of the cotton sanitary pad.

(43) FIGS. 7A and 7B schematically show the lateral movement of the conventional cotton sanitary pad and the cotton sanitary pad according to the present invention, in which the lateral movement of each of the cotton sanitary pads is represented by the arrow.

(44) The pressure of the upper and lower surfaces of the cotton sanitary pad and the frictional force between the underwear and the waterproof cover from the pair of wings and the fastener of the cotton sanitary pad are the same as or similar to the conventional cotton sanitary pad, but the cotton sanitary pad according to the present invention further includes the non-slip member on the surface of the waterproof cover, thereby creating frictional force between the non-slip member and the underwear, ultimately significantly reducing the lateral movement of the cotton sanitary pad.

(45) The material for the non-slip member is not particularly limited, so long as it has higher frictional force with the underwear than with the waterproof cover, and examples thereof may include rubber, silicone, or a polymer material. Considering that the cotton sanitary pad is intended to eliminate chemical substances as much as possible to reduce harm to the human body, a silicone material is preferably used.

(46) The non-slip member is disposed between the waterproof cover and the underwear, and the material thereof is not limited, so long as it is able to reduce the movement of the cotton sanitary pad due to the frictional force between the underwear and the non-slip member. Taking into consideration the purpose of use of the cotton sanitary pad, namely, eliminating the use of adhesive or double-sided tape comprising chemical components, unlike disposable sanitary pads, the non-slip member is preferably added in a manner in which the silicone member is thermally fused to the surface of the waterproof cover without the use of adhesion means. The waterproof cover is made of a material subjected to waterproof coating in order to prevent the re-release of the absorbate, and the silicone member may be thermally fused to the surface of the waterproof cover.

(47) The material for the waterproof cover, which is subjected to waterproof coating, is not particularly limited, so long as it is able to prevent menstrual blood or urine containing water from being re-released from the absorption pad. Preferably, it is subjected to polyurethane waterproof coating.

(48) FIG. 8 is a cross-sectional view in a longitudinal direction of the non-slip cotton sanitary pad, taken along the line C-C′ of FIG. 4.

(49) By the pair of wings and the fastener of the cotton sanitary pad, only the central portion of the pad body of the cotton sanitary pad may be fixed to the underwear, and thus the longitudinal movement of the cotton sanitary pad may become problematic.

(50) The longitudinal movement of the conventional cotton sanitary pad and the cotton sanitary pad according to the present invention is shown in FIGS. 9A and 9B. FIGS. 9A and 9B schematically show the longitudinal movement of the conventional cotton sanitary pad and the non-slip cotton sanitary pad according to the present invention when applied to underwear, in which the pair of wings and the fastener, which are used to fix only the central portion of the pad body of the cotton sanitary pad, function to indirectly fix the front portion and the back portion of the pad body to the underwear, and thus almost no pressure is applied to the upper and lower surfaces of the cotton sanitary napkin by the pair of wings and the fastener.

(51) Accordingly, the longitudinal movement of the cotton sanitary pad depending on the motion of the user becomes greater. The cotton sanitary pad moves longitudinally even upon sitting or standing motions or light walking motions, which are considered states of low activity, and the problems in which absorbate flows not to the cotton sanitary pad but to the underwear easily occur.

(52) However, the cotton sanitary pad according to the present invention includes the non-slip member, whereby frictional force is created between the non-slip member and the underwear, thus significantly reducing the longitudinal movement of the cotton sanitary pad.

(53) FIG. 10 schematically shows the lateral movement of the conventional cotton sanitary pad when applied to underwear.

(54) As described above, the pair of wings and the fastener, which are provided to the conventional cotton sanitary pad, function to fix the cotton sanitary pad to the underwear, thus preventing both vertical movement and lateral movement of the cotton sanitary pad.

(55) As shown in FIG. 10, however, the pair of wings and the fastener of the cotton sanitary pad are used to directly fix only the central portion of the cotton sanitary pad to the underwear and to indirectly fix the front portion and the back portion of the cotton sanitary pad, and the lateral movement of the cotton sanitary pad is much greater at the front portion and the back portion of the cotton sanitary pad than at the central portion thereof.

(56) Leakage of the absorbate from the sanitary pad occurs frequently at the user's hips, which are pointed out, and is thus the main reason why users are reluctant to use cotton sanitary pads.

(57) In the shape of typical underwear, it is difficult to directly provide the fixing means to the front portion and the back portion of the cotton sanitary pad. Unlike the disposable sanitary pad, having the direct fixing means using an adhesive or double-sided tape, the cotton sanitary pad makes it impossible to use an adhesive or double-sided tape, which is a temporary and short-term fixing means and is harmful to the human body, making it difficult to limit the movement of the front portion and the back portion of the cotton sanitary pad.

(58) In the cotton sanitary pad according to the present invention, the non-slip member is provided on the outer surface of the waterproof cover, thereby further increasing the frictional force between the cotton sanitary pad and the underwear to thus further limit the movement of the front portion and the back portion of the cotton sanitary pad, thereby significantly reducing the leakage of absorbate. Moreover, the foreign sensation upon use of the cotton sanitary pad is decreased and the fit of the cotton sanitary pad is further increased because the cotton sanitary pad and the underwear may be integratedly joined.

(59) FIG. 11 schematically shows a non-slip cotton sanitary pad according to an exemplary embodiment of the present invention.

(60) In the cotton sanitary pad according to the present invention, the non-slip member is not particularly limited in the shape or area thereof, so long as it is provided to the surface of the waterproof cover, and the frictional force with the underwear may be increased by the addition of the non-slip member.

(61) For example, the non-slip member may be thermally fused to the entire surface of the waterproof cover, the non-slip member being in the form of a single continuous layer, a discontinuous pattern layer, or a mixed layer in which a continuous layer and a discontinuous pattern layer are provided in compartments.

(62) FIG. 11 illustrates the non-slip cotton sanitary pad according to an exemplary embodiment of the present invention, in which the discontinuous pattern layer is formed on the entire surface of the waterproof cover. Although the non-slip member is formed in a discontinuous pattern at a predetermined interval on the entire surface of the waterproof cover in FIG. 11, it is possible to form the non-slip member only on the specific portion of the cotton sanitary pad. More specifically, the non-slip member may be formed only on the pad body portion of the waterproof cover, the wing portions of the waterproof cover, part of the pad body portion of the waterproof cover, or part of the wing portions of the waterproof cover.

(63) A better understanding of the present invention will be given through the following examples, which are not to be construed as limiting the scope of the present invention.

(64) Manufacture of Cotton Sanitary Napkin

Comparative Example

(65) A sanitary napkin, configured to include a porous cotton (a cotton lining), a cotton absorbent sheet (an absorption pad), and a polyurethane coating cotton (a waterproof cover), was manufactured.

Example

(66) A cotton sanitary napkin was manufactured in the same configuration and manner as in Comparative Example, with the exception that a non-slip member made of a silicone material was thermally fused to the entire surface of the polyurethane coating cotton subjected to polyurethane coating treatment.

(67) Panel Test

(68) Among 200 women in their 20s to 50s having similar menstrual cycles for one year (an average menstrual period of 4 to 5 days, and upon continuous menstruation without menstrual irregularity, the period between the first day of menstruation and the first day of the next menstrual period was 27 to 29 days on average), 124 women who i) had never used a cotton sanitary napkin, ii) suffered from menstrual irregularities at least five times during the past year and from menstrual pain every menstrual period, and iii) had used 4 to 6 disposable sanitary napkins (mid-size) during menstruation were subjected to the following tests.

(69) The first questionnaire was conducted after using the cotton sanitary napkin of Comparative Example for 3 months, and then the second questionnaire was carried out after using the cotton sanitary napkin of Example for 3 months. The results of each questionnaire were as follows. Each test was carried out by instructing all subjects to comply with the condition of replacing the mid-size sanitary napkin every 3 hours (with an error range of about 30 min), except when sleeping.

(70) <First Questionnaire>

(71) 1) Compared with the use of a conventional disposable sanitary napkin, differences in menstrual irregularity, menstrual pain, skin symptoms and fit after using the cotton sanitary napkin of Comparative Example were evaluated, scored in the range from 1 to 5, and averaged.

(72) TABLE-US-00001 TABLE 1 Menstrual irregularity Menstrual pain Skin symptom improvement improvement improvement Fit Comfort Average 2.25 4.45 3.75 4.68 2.61 score Multiple The menstrual In the first Skin itching Similar Anxiety comments cycle and the month, menstrual was eliminated to wearing due to menstruation pain was (39 women) underwear movement period seemed significantly (88 women) of back to be uniform reduced, and portion of (34 women) there was almost cotton no pain after 3 sanitary months of use napkin (55 women) (108 women) (1: no difference~5: great difference)

(73) Regarding the improvement in menstrual irregularity, the period of use of the cotton sanitary napkin of Comparative Example was somewhat short, namely 3 months, and thus the users did not feel much difference in improvement, but there were multiple comments stating that the menstrual cycle (the period between the first day of the menstrual period and the first day of the next menstrual period) and the menstrual period became uniform similarly to those in the past without menstrual irregularities.

(74) Most users felt that the improvement in menstrual pain was obvious in the first month, and the improvement in menstrual pain was felt by most users, with only a difference in the extent of improvement. In particular, there were no subjects who did not feel any improvement after using the cotton sanitary napkin of Comparative Example for 3 months compared to when using disposable sanitary napkins.

(75) Regarding the improvement in skin symptoms, all of the 124 women responded that they had experienced slight itching and severe skin rash in the preliminary survey conducted before the present test, but also responded that, in the first questionnaire, there was improvement in skin symptoms, including multiple comments that itching symptoms were immediately improved.

(76) Regarding the improvement in fit, there were multiple comments stating that the cotton sanitary pad, comprising the cotton lining, exhibited a tactile sensation similar to that of underwear. Despite having a similar fit to the underwear, there was inconvenience due to the movement of the cotton sanitary napkin during activity, and comfort at the time of wearing was somewhat deteriorated.

(77) In addition, the opinions of most users were that an odor reduction effect during menstruation was exhibited compared to when using the conventional disposable sanitary napkin.

(78) Therefore, compared with the conventional disposable sanitary napkin, the cotton sanitary napkin of Comparative Example was remarkably improved in menstrual pain, skin symptoms and fit and helped reduce odors, but was impossible to wear comfortably because of the problem in which the cotton sanitary napkin moved upon motion of the user, whereby menstrual blood leaked.

(79) 2) The frequency of leakage of menstrual blood and the portion at which menstrual blood leaked during the menstrual period when using the cotton sanitary napkin of Comparative Example compared to when using the conventional disposable sanitary napkin were evaluated. The results are as follows.

(80) TABLE-US-00002 TABLE 2 Average number of occurrences of menstrual blood leakage during one menstrual period (/day) Portion at Activity during Cotton sanitary which which menstrual Conventional napkin of menstrual blood leakage disposable Comparative blood mainly occurs (multiple sanitary napkin Example leaks responses allowed) 0.4 times 2 times Back portion When sitting (55 of cotton women) sanitary When walking (35 napkin women) When sleeping (100 women) Multiple About 2 instances Menstrual comments of leakage on blood leakage average during when sleeping the entire (120 women) menstrual period

(81) As is apparent from the above results, compared to the conventional disposable sanitary napkin, the cotton sanitary napkin of Comparative Example frequently caused the leakage of menstrual blood, which was confirmed to be a factor in inhibiting the comfortable wearing of the cotton sanitary napkin as described in 1) above.

(82) In particular, regardless of the posture at bedtime, the phenomenon of menstrual blood leakage upon sleeping occurred in most subjects, and specifically, menstrual blood leakage was observed in the back portion of the cotton sanitary napkin, which was considered to be because the front and back portions of the cotton sanitary napkin, using the pair of wings and the fastener, without any direct fixing means, moved very large distances in longitudinal and lateral directions, and thus the position of the cotton sanitary napkin departed from the portion at which menstrual blood flows.

(83) Furthermore, the menstrual blood easily leaked even in daily life, such as when walking or sitting, in addition to when sleeping.

(84) <Second Questionnaire>

(85) 1) Compared with the use of a conventional disposable sanitary napkin, differences in menstrual irregularity, menstrual pain, skin symptoms and fit after a total of 6 months using the cotton sanitary napkin of Comparative Example for 3 months and the cotton sanitary napkin of Example for 3 months were evaluated, scored in the range from 1 to 5, and averaged.

(86) TABLE-US-00003 TABLE 3 Menstrual irregularity Menstrual pain Skin symptom improvement improvement improvement Fit Comfort Average 4.00 4.68 4.25 4.83 4.83 score Multiple The menstrual In the first Skin itching Similar Movement comments cycle and the month, menstrual was eliminated to wearing of back menstruation pain was (89 women) underwear portion of period seemed significantly (92 women) cotton to be uniform reduced, and sanitary (81 women) there was almost napkin was no pain after 6 significantly months of use reduced (93 women) (112 women) (1: no difference~5: great difference)

(87) 2) The frequency of leakage of menstrual blood and the portion at which menstrual blood leaked during the menstrual period when using the cotton sanitary napkin of Example compared to when using the cotton sanitary napkin of Comparative Example were evaluated. The results are as follows.

(88) TABLE-US-00004 TABLE 4 Average number of occurrences of menstrual blood leakage during one menstrual period (/day) Portion at Activity during Cotton sanitary Cotton which which menstrual napkin of sanitary menstrual blood leakage Comparative napkin of blood mainly occurs (multiple Example Example leaks responses allowed) 2 times 0.5 times Back portion When sleeping of cotton (62 women) sanitary (When sitting napkin (68 (24 women) women) Multiple Menstrual blood About 2~3 comments leakage when instances of sleeping (120 leakage on women) average during the entire menstrual period

(89) In the second questionnaire, the number of subjects who felt that menstrual irregularity, menstrual pain, skin symptoms, fit and comfort were all improved compared to those using conventional disposable sanitary napkins increased, and the average scores also increased overall.

(90) In particular, improvements in menstrual irregularity, menstrual pain, and skin symptoms were regarded as major advantages of using cotton sanitary napkins, obtained by using the cotton sanitary napkin for a long period of time, and fit and comfort were remarkably improved compared to when using the cotton sanitary napkin of Comparative Example. It was concluded that the cotton sanitary napkin of Example was evaluated at a higher score when the cotton sanitary napkin of Example was used immediately after the cotton sanitary napkin of Comparative Example, which had no silicone non-slip member and was thus uncomfortable.

(91) In spite of the relative effect of this order of use, the case where the cotton sanitary napkin of Example was separated from the underwear and moved independently was very rare in most subjects, and thus a high score of improvement was obtained along with the opinion that the fit was very good, and the effect of inhibiting the movement of the cotton sanitary napkin by the addition of the non-slip member remarkably increased the fit and comfort during wearing.

(92) In the above 2) of the second questionnaire, the number of occurrences of daily average menstrual blood leakage was significantly reduced to nearly a quarter, and thus it was confirmed that the leakage of menstrual blood almost never occurred to the same level as that when using a conventional disposable sanitary napkin.

(93) Furthermore, when using the cotton sanitary napkin of Comparative Example, the leakage of menstrual blood mainly occurred in the back portion of the cotton sanitary napkin, that is, the hip portion, and compared to the results of the first questionnaire, which showed that menstrual blood leakage was observed in all activities, such as when sleeping, sitting, walking, etc., no leakage was observed during walking, and the number of subjects who were observed to have leakage when sitting and when sleeping was greatly reduced.

(94) Therefore, the cotton sanitary napkin of Example includes the non-slip member on the outer surface of the waterproof cover contacting the underwear, whereby the longitudinal movement of the cotton sanitary napkin is prevented, and the lateral movement of the front and back portions of the cotton sanitary napkin is also prevented, thus effectively preventing the leakage of menstrual blood and improving fit and comfort when wearing.

(95) Although embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art will appreciate that the present invention may be embodied in other specific forms without changing the technical spirit or essential features thereof. Thus, the embodiments described above should be understood to be non-limiting and illustrative in every way.