Elastomeric side panel for use with convertible absorbent articles

• US 5,897,545 A
• Filed: 04/02/1996
• Issued: 04/27/1999
• Est. Priority Date: 04/02/1996
• Status: Expired due to Term

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Kline, Mark James, Robles, Miguel Alvaro, Henrich, Thomas
• Primary Examiner(s): Polutta, Mark O.
• Application Number:
  US08/627,672
• Time in Patent Office: 1,120 Days
• Field of Search: 604/385.1, 604/385.2, 604/386, 604/387, 604/391, 604/393, 604/394, 604/396, 24/442, 24/444, 24/304, 24/306, 24/446
• US Class Current: 604/386
• CPC Class Codes: A61F 13/49015 the elastic means being elastic panels
• CPC Class Codes: A61F 13/5638 adjustable open type diapers adjustable otherwise than by the fasteners A61F13/493
• CPC Class Codes: A61F 13/5655 adjustable pants type diapers adjustable otherwise than by the fasteners A61F13/493
• CPC Class Codes: A61F 13/622 Fabric strip fastener elements, e.g. hook and loop
• CPC Class Codes: Y10T 24/2708 Combined with diverse fastener
• CPC Class Codes: Y10T 24/33 having adhesive fastener

Abstract

Absorbent articles such as disposable diapers, incontinent briefs, diaper holders, training pants and the like, having elastomeric ear panels and a fastening system that provides the user with different options as to how the absorbent article may be fitted to and removed from the wearer. The absorbent articles allow the wearer to choose between conventional and pull-on diaper configurations, or combinations thereof, and properly and comfortably fit a large range of wearer sizes. Further, the absorbent articles can be pulled on and/or off as a pant. This feature is provided by the ear panels which maintain sufficient tension to hold the diaper on the wearer throughout the period of use without harming the wearer'"'"'s skin, while providing enough stretch to allow the diaper to be pulled up or down over the wearer'"'"'s hips. The fastening system is refastenable for convenience yet strong enough to maintain the diaper in a fastened configuration without becoming detached if the diaper is pulled on or off the wearer.

Claims

1. An absorbent article having a refastenable fastening system, a longitudinal centerline and a lateral centerline, the absorbent article comprising:

a) a containment assembly having a rear waist region, a crotch region, a front waist region, a pair of longitudinal edges, a body facing surface and a garment facing surface opposite of said body facing surface, said containment assembly comprising a topsheet, a backsheet joined to said topsheet, and an absorbent core positioned between said topsheet and said backsheet;

b) an elastomeric first ear panel extending laterally outwardly from one of said longitudinal edges of said containment assembly in said rear waist region, said first ear panel having a proximal edge joined with said containment assembly, a distal edge spaced laterally outwardly from said proximal edge, an inner surface, and an outer surface;

c) an elastomeric second ear panel extending laterally outwardly from the other of said longitudinal edges of said containment assembly in said rear waist region, said second ear panel having a proximal edge joined with said containment assembly, a distal edge spaced laterally outwardly from said proximal edge, an inner surface, and an outer surface; and

d) a refastenable mechanical fastening system comprising;

i) a first closure member disposed adjacent said distal edge of said first ear panel;

ii) a second closure member disposed adjacent said distal edge of said second ear panel;

said first closure member and said second closure member each including an engaging component having a plurality of engaging elements extending therefrom and having a pair of opposed longitudinal outer edges, a pair of opposed lateral outer edges, an outer region comprising said longitudinal and said lateral outer edges and a central region surrounded by said outer region, the central region having an area, said first closure member being joined to said first ear panel and said second closure member being joined to said second ear panel, said first and said second closure members being joined to said ear panels with a plurality of discrete mechanical bonds arranged in a pattern having at least one edge mechanical bond in said outer region juxtaposed each of said longitudinal outer edges, said pattern also leaving at least a portion of the central region unbonded by said mechanical bonds; and

iii) a third closure member disposed in said front waist region on said garment facing surface of said containment assembly, said third closure member being engageable with said first closure member and said second closure member so as to define a waist hoop having a relaxed state circumference and a fully stretched circumference.

2. The absorbent article of claim 1 wherein said bonding pattern comprises discrete edge mechanical bonds located along both of said longitudinal outer edges of each of said first and said second closure members, said edge mechanical bonds generally extending from one of said lateral outer edges to said opposing lateral outer edge.

3. The absorbent article of claim 2 wherein said edge mechanical bonds are generally elliptical in shape having a major axis which is nonparallel to either said longitudinal outer edges or said lateral outer edges.

4. The absorbent article of claim 1 further comprising center mechanical bonds located in said central region, said center mechanical bonds occupying less than about 20 percent of said area of said central region.

5. The absorbent article of claim 4 wherein said central mechanical bonds occupy less that about 10 percent of said area of said central region.

6. The absorbent article of claim 5 wherein said central mechanical bonds occupy less that about 7 percent of said area of said central region.

7. The absorbent article of claim 4 wherein each said center mechanical bond and each said edge mechanical bond has an area and said area of each said center mechanical bond is less than about 66 percent of said area of said edge mechanical bond.

8. The absorbent article of claim 7 wherein said area of each said center mechanical bond is less than about 25 percent of said area of said edge mechanical bond.

9. The absorbent article of claim 1 wherein said longitudinal outer edges of said first and said second closure members are disposed at an angle to said longitudinal centerline and said lateral centerline of the absorbent article.

10. The absorbent article of claim 1 wherein said first and said second closure members each have a closure member major axis which is at an angle to said longitudinal and said lateral centerline of the absorbent article.

11. The absorbent article of claim 10 wherein said first and second closure members comprise at least two engaging components.

12. The absorbent article of claim 1 further comprising a pair of front ear flaps disposed in said front waist region juxtaposed said longitudinal edges of said containment assembly, each of said front ear flaps comprising at least one fold.

13. The absorbent article of claim 12 wherein said front ear flaps are folded such that at least a portion of each of said front ear flaps extends laterally inwardly from said longitudinal edge of said containment assembly.

14. The absorbent article of claim 13 wherein said front ear flaps are releasably bonded in a folded configuration.

15. The absorbent article of claim 1 wherein said waist hoop relaxed circumference is between about 280 mm and about 360 mm and said fully stretched circumference is between about 550 mm and about 600 mm when a forces less than about 2000 grams is applied.

16. The absorbent article of claim 1 wherein said waist hoop relaxed circumference is between about 300 mm and about 380 mm and said fully stretched circumference is between about 600 mm and about 700 mm when a forces less than about 2000 grams is applied.

17. The absorbent article of claim 1 wherein said hip hoop relaxed circumference is between about 550 mm and about 750 mm and said fully stretched circumference is between about 1000 mm and about 1450 mm when a forces less than about 2000 grams is applied.