KR19980013985A - Disposable diaper - Google Patents

Abstract

The present invention relates to a disposable diaper having an enhanced rear waistband, wherein the rear pason fastening means is a rear face that is in close contact with the top of the rear waist and hip of the wearer in a general disposable panty diaper having a fastening system fixed to the front frontal fastening means. Disposable diaper made up of waistband.

Description

Disposable Diapers with Reinforced Rear Waistband

1 is a perspective plan view obliquely from the top of a disposable diaper with an enhanced rear waistband according to the present invention.

2 is a cross-sectional view taken along the line A-A of FIG.

3 is a cross-sectional view taken along the line B-B in FIG.

* Brief description of symbols for the main parts of the drawings

DESCRIPTION OF SYMBOLS 1 Upper sheet, 2 Absorber, 3 back sheet, 4 tapen tape, 5 release tape, 6 taper, 7 front flap, 8 rear flap, 9 front waistband, 10 rear Waistband,

11: leg crotch part, 12: front shear part, 13: rear shear part

A: distance from the front end of the rear tape to the bottom of the flap attaching surface of the taper tape, b: front waistband length, c: rear waistband length, d: front waistband width, 밴드: rear waistband width, ㅂ: absorber length, S: back absorber width

Detailed description of the invention

The present invention relates to disposable absorbent products such as disposable baby diapers and adult diapers, and more particularly, to form a band on the upper and rear waist portions of the wearer to prevent the diaper from flowing down and to enhance the fit and prevent leakage. A disposable diaper that fits the rear waistband.

In the present invention, the disposable absorbent product refers to a disposable hygiene product that absorbs excretion such as urine and feces due to human physiology as a garment form composed of superabsorbent resin, nonwoven fabric, tissue, tape, down pulp, and waterproof film. .

In addition, the panty-type diaper is kept in the overlapped form when the waist flap is worn, and the front flap of the rear flap is overlapped with the front flap and the front flap fastening means is located between the front flaps. It refers to a disposable diaper to be fixed to the fastening means.

In the general structure of the panty-type disposable diaper, the liquid permeable upper sheet which is in close contact with the wearer's skin and is formed of a nonwoven fabric and an absorbent body formed on the outer surface of the wearer is formed of a waterproof film and the like. In order to store the body's excrement in parts, additionally, US Pat. Its purpose is not to contaminate the outer clothing and bedding of the wearer by using the waistband to keep the excrement in the absorbent product without spilling it to the outside.

However, in the case of the prior invention, it is not satisfactory in terms of storing the feces of the body and improper discharge of the feces to the outside occurs due to the difference between the time of wearing the diaper and the time of urination. After the diaper is worn, it is excreted after a considerable time (usually less than 3 hours). There is a difference between the diaper type at the time of wearing and the diaper type at the time of urination. A person walks or exercises a little after wearing a diaper, and the weight of the diaper increased after the first urination causes the diaper to be forced downwards, which is accompanied by a deformation of the diaper and is fixed in any form. This is further increased when the elasticity is not continuously maintained and the elastic portion is not liable to recover due to the hysteresis.

In particular, even if the waistband is designed to prevent the excretion of the back and forth of the diaper, the increased elasticity may irritate the baby's skin to prevent leakage, and red marks occur, so the elasticity is inevitably low. In addition, due to the motion and hysteresis of the above-mentioned person, a space may be formed between the elastic waistband and the skin contact surface of the wearer, and thus, the front and back of the diaper may be generated. In addition, this improper elasticity of the waistband can cause the diaper to flow down, and the weight increase of the diaper after urination further promotes this phenomenon, which creates a space between the wearer's legs and the contact surface with the diaper. Excretion leaks between the legs of the child.

In particular, this phenomenon is more severe when the elasticity effect is reduced because the front waist elastic band and the rear waist elastic band cannot be fixed when the pason fastening means located at the rear flap of the diaper is not positioned at the front end of the diaper.

In order to prevent such a diaper flowing down, it is necessary to efficiently reinforce the elasticity of the waistband and achieve the object of the present invention by applying a rear waistband that is in close contact with the top of the rear waist and hips of the wearer effectively.

In the present invention, the upper sheet 1 is composed of a liquid permeable nonwoven fabric and is in close contact with the wearer's skin. The back sheet 3 is composed of a liquid impermeable film mainly composed of polyethylene, polypropylene, or the like. It is located on the outer surface and prevents the outflow of feces to the outside. Between the top sheet 1 and the back sheet 3 is composed of an absorbent body 2 composed of tissue, nonwoven fabric, fluffy pulp, etc. to form the absorber length and the back absorber width, and to absorb and store excrement. It plays a role. It is worn by the overlap of the front flap (7) in close contact with the left and right waists of the front part of the wearer and the rear flap (8) in close contact with the left and right waists of the rear part of the wearer, and in the center of both front flaps (7). And taper tapes 4 located on the left and right sides of both rear flaps 8 attached to the frontal tape 6 made of a film such as polypropylene and positioned under the rear sheet 3 to the release tape 5. It is. By the flap overlapping and fixing means, a general panty-shaped diaper is formed, and the leg crotch part 11 closely contacts the wearer's leg to prevent leakage between the legs. In the present invention, the rear waistband 10 and the front waistband 9 are made of an elastic band of polyurethane foam, polyurethane film, polyester, polypropylene, polyethylene, etc. of the same material, but the length of the rear waistband (c ) Is designed to be wider in the longitudinal direction beyond the lower end (a) of the attachment surface with the flap of the pason tape at the back front end 13 of the diaper, and more preferably at least twice the length of the front waistband (b). The waistband width (ㅁ) of the diaper is applied beyond the width of the rear absorber (S) to effectively cover the back waist and hips of the wearer and to be in close contact with the skin effectively, and the elastic waistband between the left and right pas- tern tapes (4). Even if (10) is located and elastic weakening occurs due to the hysteresis mentioned above, the area of the rear waistband 10 (the length of the rear waistband x the rear waistband width) is sufficiently secured. The hysteresis of the front waistband 9 is also complemented to increase its own elastic effect to prevent diaper flow due to human movement and urination, thereby preventing leakage of feces between the legs due to the flow of water, The waist is minimized to minimize the space between the diaper and the wearer's skin, and the leakage to the waist is excellent, and the appearance of the diaper is not affected by urination or movement of the wearer. Provides a disposable diaper that allows the designer of the diaper intended to remain intact.

Hereinafter, the present invention will be described in detail by way of Examples and Comparative Examples.

[Examples 1-3 and Comparative Examples 1-4]

Example 1

The length of the rear waistband (c) is 7 cm, the distance from the rear front end of the diaper to the bottom of the attachment surface with both flaps of the fastening means (a) is 5 cm and the length of the front waistband (b) is 6 cm. Disposable diapers of the present invention having a cm, the front and rear waistband width (l), (ㅁ) is 8cm and the rear absorber width (s) is 10cm.

Example 2

Same as Example 1 except that the length of the front waistband (b) is 3 cm

Example 3

Same as Example 2 except that the length of the front waistband (b) is 3 cm, the front and rear waistband widths (l) and (ㅁ) are 14 cm and the rear absorber width (s) is 10 cm.

Comparative Example 1

The length of the rear waistband is 3cm, the distance from the rear end of the diaper to the bottom of the attachment surface with both flaps of the fastener fastening means is 5cm and the length of the front waistband is 3cm. Disposable diapers of the present invention having a cm, the front and rear waistband width (l), (ㅁ) is 8cm and the rear absorber width (s) is 10cm.

Comparative Example 2

The front and rear waistband widths (d) and (ㅁ) are the same as in Comparative Example 1 except that

Comparative Example 3

Same thing as Comparative Example 1 except that the length of the front waistband is 6 cm

[Comparative Example 4]

The front and rear waistband widths (d) and (ㅁ) are the same as in Comparative Example 3 except that

[Determination of appearance after leakage prevention and wearing]

The disposable diapers manufactured in the Examples and Comparative Examples were divided by 10 to 300 people, and the satisfaction was scored by a perfect score of 10 out of 10 and averaged.

1. Determination of leakage prevention

* Evaluation points: Observation of glands between legs and waist

2. How to judge appearance after wearing

* Evaluation point: Preventing diaper run down, adhesiveness between diaper and wearer's skin at waist and overall appearance satisfaction

[Results of Determination of Appearance after Preventing Leaking and Wearing]

Sam Bang Exterior Example 1 8.3 8.2 Example 2 8.5 9.2 Example 3 8.9 9.5 Example 1 5.5 6.6 Example 2 6.7 7.0 Example 3 5.6 6.2 Example 4 6.7 7.3

In Example 1 and Comparative Example 3, Example 2, Comparative Example 1, Example 3 and Comparative Example 2, the larger the length (c) of the back waistband of the waistband, the better the leakage preventing function and appearance satisfaction. In Example 2 and Example 3, Comparative Example 1 and Comparative Example 2, Comparative Example 3 and Comparative Example 4, the longer the width (L) and (ㅁ) of the waistband, the better the appearance and the sake prevention function. Results. Looking at Examples 1 and 2, Comparative Example 1 and Comparative Example 3, the small and large length of the front waistband did not play a significant role in the leakage preventing function. As in Examples 1 to 3 and Comparative Examples 1 to 4, the larger the length (c) of the rear waist band, the greater the width (d) and (ㅁ) of the front waistband and the rear waistband, the greater the leakage prevention and appearance. Satisfaction was high in the case, and when the length of the front waist band (b) was rather small, a slight improvement in appearance appeared, and the synergistic effect was achieved by providing the elasticity efficiently by increasing the width (ㅁ) of the front waist band. This resulted in the improvement of appearance and leakage prevention function.

In Examples 1 to 3 of the present invention, the length (c) of the rear waistband of the diaper is applied to the lowermost end of the attachment surface with both flaps of the pason fastening means located at both flaps on the rear of the diaper at the front end of the diaper. Examples 2 to 3 are characterized in that the length (c) of the back waistband of the diaper is applied to more than twice the length (b) of the front waistband of the diaper, Example 3 is the width of the waistband ( ), (ㅁ) is a disposable diaper, characterized in that applied to more than the width (S) of the absorbent as described above Examples 1 to 3 by applying a rear waistband that is in close contact with the top of the wearer's back waist and hips The invention improves functions such as preventing leakage to the waist and legs, preventing the diaper from flowing down, and maintaining the shape of the diaper.

Claims (5)

In the general disposable panty diaper having a fastening system in which the rear pason fastening means is fixed to the front frontal fastening means, the reinforced waistband characterized in that it comprises a rear waistband that is in close contact with the top of the rear waist and hip of the wearer. Having disposable diapers. 2. The disposable diaper according to claim 1, wherein the rear waistband is applied at the rear front end of the diaper to the bottom of the attachment surface with both flaps of the pason fastening means located at both flaps on the rear of the diaper. The disposable diaper according to claim 2, wherein the left and right widths of the rear waistband in both flap directions of the rear waistband are greater than or equal to the width of the rear absorber. 2. The disposable diaper of claim 1, wherein the back waistband is at least twice as wide as the front waistband. 5. The disposable diaper according to claim 4, wherein the left and right widths of the rear waistband in both flap directions of the rear waistband are greater than or equal to the width of the rear absorber.