RANGE OF DISPOSABLE ABSORBENT ARTICLES THAT CAN FIT A WIDE RANGE OF WEARERS

Abstract

A range of packages comprising three or more sizes of absorbent articles, the range comprising first, second, and third packages comprising first, second, and third absorbent articles having first, second, and third sizes. The belt elastic modulus of the range of first, second, and third packages is from about 59 N / m to about 147 N / m (about 6 gf / mm to about 15 gf / mm). And, the first, second, and third packages comprise the same brand name and sub-brand name.

Description

Absorbent articles as described herein may be manufactured by the same company on the same manufacturing line and may be sold in a line under the same brand name (e.g., Pampers, Huggies, Depends, Always) and / or sub-brand name (Cruisers, Swaddlers, and Easy Ups, Baby Dry, Silhouette, etc.). Identical or essentially identical chassis As described in U.S. Patent Publication No. 2013-0211355, it may be desirable to provide a range of packages to fit wearers of different sizes, but including identical or substantially identical chassis. For example, a range may include a first package including a first size of absorbent articles and a second package may include a second size of absorbent articles, the first and second packages including identical or substantially identical chassis as described in U.S. Patent Publication No. 2013-0211355. More particularly, the first package may include a first chassis and the second package may include a second chassis, each of the first and second chassis including the same dimensions of one or more of: the core width at the lateral centerline,the core width at one of the front or rear core ends, a distance from a left outer cuff distal edge to a right outer cuff distal edge, a distance from a left inner cuff distal edge to a left outer cuff distal edge, a distance from a left inner cuff proximal edge to a right inner cuff proximal edge, a distance from a left inner cuff proximal edge to a left outer cuff distal edge, an inner cuff clearance height, the inner cuff hem fold width, the inner cuff elastic length, the outer cuff elastic length, the core length, and the backsheet width. Further, each of the first and second chassis may include identical chemical compositions of one or more of a topsheet, a backsheet film, a backsheet nonwoven, core superabsorbent polymers, core pulp, core nonwoven, core absorbent paper, leg cuff film, leg cuff nonwoven, superabsorbent polymer adhesive, core nonwoven adhesive, leg cuff elastic adhesive, and backsheet nonwoven / film adhesive. And, each of the first and second chassis may comprise the same basis weight of one or more of the topsheet, backsheet film, backsheet nonwoven, core superabsorbent polymers, core paste, leg cuff nonwoven, leg cuff film, superabsorbent polymer adhesive, leg cuff adhesive, and backsheet nonwoven / film adhesive. And, each of the first and second chassis may include core superabsorbent polymers of identical composition. The first and second chassis may have an identical order and cross-sectional arrangement of components in at least one of the front waistband region, the rear waistband region, and the crotch region. The inner leg cuffs of the first and second chassis may be composed of materials of identical composition. And, the core adhesives of the first and second chassis may be the same adhesive(s). The first and second chassis may comprise core superabsorbent polymers that are in the same chemical class and subclass. And, each of the first and second frames may include first and second humidity indicators, respectively, the first and second humidity indicators being of identical composition. Further, the inner leg cuffs of the first and second chassis may have an identical order and cross-sectional arrangement of components in at least one of the front waistband region, the rear waistband region, and the crotch region. The distance from the left outer cuff distal edge to a right outer cuff distal edge may be the same. The distance from the left inner cuff proximal edge to the left outer cuff distal edge may be the same. The distance from the left inner cuff proximal edge to the right inner cuff proximal edge is the same. The lengths of the inner and outer cuffs are the same. TEST METHODS Belt elastic modulus test - The elastic modulus of a belt is determined by stretching a representative section (referred to as a "specimen") of an elastic waistband of a product using a constant extension tensile testing machine with a computer interface, e.g., Instron; MTS; Zwick; etc., using a load cell for which the measured forces are between 10% and 90% of the cell limit. The instrument is equipped with single-contact line clamps wider than the sample to be tested. The test is carried out under ambient room conditions (temperatures ranging from 15°C to 35°C and relative humidity between 35% and 75%). The samples are conditioned for at least two hours before testing under the same conditions. Linear length measurements for sample preparation are carried out with a device that is traceable to NIST or another standards organization. - The sample is taken from the back of the product. All layers of the product are included in the sample. The sample is cut using sharp scissors. The sample area is bounded by the rectangle defined between points E, F, H and G in Figure 3, where line EF is 3.0 cm ±0.1 cm from the rear edge of the product defined by line AB, and line GH is 4.0 cm ±0.1 cm from line EF. The sample is centered in the product, divided into two equal parts by Ll. - The initial gauge length of the tensile testing machine is set at 15.0 cm. The specimen is mounted in the clamps with minimal slack with the extension direction corresponding to the lateral direction of the product, and with the specimen center point centered between the clamps. Excess material above and below the upper and lower clamp lines, respectively, can be removed to facilitate specimen mounting. Once the specimen is in the machine, the machine's force channel is set to zero (eliminating the specimen weight in the calculations). The clamps are slowly moved apart at 5.08 cm / min (2.0 in / min) until a load of 0.05 N is reached. The gauge length at this position is recorded as Lo (Lo = 15.0 cm + additional extension to reach 0.05 N). - Stretch the sample at a rate of 50.8 cm / min (20 in / min) until 3922 N (400 gf) is reached or the sample breaks. - The initial width of the sample (in the longitudinal direction of the product) for stress calculation is 4.0 cm. - For stress calculations, material thickness is neglected; consequently, modulus values ​​are given in units of force per specimen width (gf / mm or N / m). - The sample stress is calculated by dividing the force at the machine load cell by the initial width of the sample. - The deformation of the sample is calculated by AL / Lo. - Record the sample deformation at sample stresses of 29N / m (3 gf / mm); and 68N / m (7 gf / mm). - The belt elastic modulus is the linear slope between these two values ​​(belt elastic modulus = [68 N / m - 29 N / m (7 gf / mm - 3 gf / mm)] / [sample strain at 68 N / m (7 gf / mm) - sample strain at 29 N / m (3 gf / mm)]). Units are gf / mm of width. - 10 products are tested and the elastic modulus is the average. Elastic modulus of the belt range - The range belt elastic modulus is the average belt elastic modulus for each size offered in a product range. For example, the Depend (sub- women's clothing) (maximum absorbency) is marketed and sold in a range of 3 sizes: Small / Medium; Large and Extra Large. The waistband elastic modulus of the range is the average of: The waistband elastic modulus for size Small / Medium; the waistband elastic modulus for size Large; and the waistband elastic modulus for size Extra Large. Table 3 shows examples of the waistband elastic modulus of the range for some currently marketed product ranges. Loose waistline - The relaxed waist size for each size in the range is determined by: - Cutting a full circumferential section of the waistband of the products (referred to as a "waist hoop"). The test is carried out under ambient room conditions (temperatures between 15°C and 35°C and relative humidity between 35% and 75%). The samples are conditioned for at least two hours before testing under the same conditions. Linear length measurements for sample preparation are carried out with a device that is traceable to NIST or another standards organization. - The waist hoop is defined by the rectangular section: E, F, G and H at the back of the product, where EF is 3.0 cm + 0.1 cm from the back edge of the product defined by AB, and GH is 4.0 cm ± 0.1 cm from EF. At the front of the product, the waist hoop is continued by adding the material defined by the rectangular section: E', F', G' and H', where E'-F' is 3.0 cm ± 0.1 cm from the front edge of the product defined by A'-B', and G'-H' is 4.0 cm + 0.1 cm from E'-F'. - For a closed-form product (continuous waist hoop), cut the waist hoop (E, F, G, H, E', F', G' and H') at one of the side junctions (AD / A'-D' or BC / B'-C') creating a single waist hoop strip. Allow this single strip to hang vertically with a load of 49N (5.0 gf) at the end. - The measured length of this band is the relaxed waist measurement for that size in that range. - For an open-form product, the relaxed waist circumference is the sum of the sections EFGH and E'-F'-G'-H' (each strip suspended vertically with a load of 49 N (5.0 gf) at the end). The dimensions and values ​​described herein should not be understood as being strictly limited to the exact numerical values ​​cited. Instead, unless otherwise stated, each such dimension means both the cited value and the range functionally equivalent surrounding this value. For example, a dimension described as “40 mm” means “approximately 40 mm”. To the extent that any meaning or definition of a term in this written document conflicts with any meaning or definition of the same term in any other document, the meaning or definition assigned to that term in this document shall prevail. While particular embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various other variations and modifications may be made without departing from the spirit and scope of the invention. It is intended, therefore, to cover in the appended claims all such variations and modifications which fall within the scope of the present invention.

Claims

CLAIMS 1. Range of absorbent articles for incontinence including a belt, the range comprising: a first absorbent article having a first size and packaged in a first packaging; a second absorbent article having a second size and packaged in a second package; a third absorbent article having a third size and packaged in a third package; the first, second and third sizes being different; characterized in that the waistband elastic modulus of the first, second, and third absorbent articles ranges from about 20N / m to about 196 N / m (about 2 gf / mm to about 20 gf / mm).

2. A line of absorbent articles according to claim 1, wherein the waistband elastic modulus of the first, second and third absorbent articles ranges from about 98 N / m to about 147 N / m (about 10 gf7 mm to about 15 gl7 mm).

3. A range of absorbent articles according to any preceding claim, wherein the first absorbent article with a waistband region comprises yarns in the waistband region and the second absorbent article with a waistband region comprises an elastomeric film in the waistband region.

4. A line of absorbent articles according to claim 1, wherein at least one of the absorbent articles has a waistband elastic modulus of about 20 N / m to about 98 N / m (about 2 gf / mm to about 10 gf / mm).

5. The range of absorbent articles of claim 1, wherein at least one of the absorbent articles has a waistband elastic modulus of about 29 N / m to about 78 N / m (about 3 gf / mm to about 8 gf / mm).

6. A range of absorbent articles according to claim 1, wherein at least one of the absorbent articles has a waistband elastic modulus of about 29 N / m to about 68 N / m (about 3 gf / mm to about 7 gf / mm).

7. The range of absorbent articles of claim 1, wherein at least one of the absorbent articles has a waistband elastic modulus of about 39 N / m to about 59 N / m (about 4 gf / mm to about 6 gf / mm).

8. A line of absorbent articles according to claim 1, wherein at least two of the absorbent articles have a waistband elastic modulus of about 29 N / m to about 68 N / m (about 3 gf / mm to about 7 gf / mm).

9. A range of absorbent articles according to any preceding claim, wherein each of the absorbent articles comprises a pair of permanent side seams (32).

10. A range of absorbent articles according to any one of claims 1 to 8, wherein each of the absorbent articles comprises a pair of resealable side seams (32).

11. A range of absorbent articles according to claim 10, wherein the reclosable side seams (32) are formed by hooks and loops.

12. A range of absorbent articles according to any preceding claim, wherein the first and second articles have waistband elastic modulus values ​​spaced apart by more than 49 N / m (5 gf / mm).

13. A range of absorbent articles according to any preceding claim, wherein the first and second absorbent articles comprise superabsorbent polymers of identical composition.

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