Disposable absorbent article with selectively expandable or inflatable components

• US 5,997,520 A
• Filed: 05/15/1995
• Issued: 12/07/1999
• Est. Priority Date: 06/23/1993
• Status: Expired due to Fees

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Lavon, Gary Dean, Ahr, Nicholas Albert
• Primary Examiner(s): Weiss, John G.
• Assistant Examiner(s): Cho, David J.
• Application Number:
  US08/441,153
• Time in Patent Office: 1,667 Days
• Field of Search: 604/385.1, 604/378, 604/358
• US Class Current: 604/385.12
• CPC Class Codes: A61F 13/49009 with elastic means
• CPC Class Codes: A61F 13/495 with faecal cavity
• CPC Class Codes: A61F 13/511 Topsheet, i.e. the permeable cover or layer facing the skin
• CPC Class Codes: A61F 2013/15365 Dimensions
• CPC Class Codes: A61F 2013/15406 Basis weight
• CPC Class Codes: A61F 2013/15447 Fibre dimension, e.g. denier or tex
• CPC Class Codes: A61F 2013/49031 being elastic in longitudinal direction
• CPC Class Codes: A61F 2013/49084 conformable
• CPC Class Codes: A61F 2013/4956 with vertical spacer or separator keeping other components out of contact
• CPC Class Codes: A61F 2013/51066 for rendering the surface hydrophilic
• CPC Class Codes: A61F 2013/51409 being a film
• CPC Class Codes: A61F 2013/51411 being impervious to fluids but not for air or vapours
• CPC Class Codes: A61F 2013/5149 being embossed
• CPC Class Codes: A61F 2013/51492 having specially shaped gas or air bubbles or bag-like structure
• CPC Class Codes: A61F 2013/530007 being made from pulp
• CPC Class Codes: A61F 2013/530131 being made in fibre but being not pulp
• CPC Class Codes: A61F 2013/530481 having superabsorbent materials, i.e. highly absorbent polymer gel materials
• CPC Class Codes: A61F 2013/53472 being a non-woven tissue wrapping the core
• CPC Class Codes: A61F 2013/53795 being a surge management layer
• CPC Class Codes: A61F 2013/53908 with adhesive
• CPC Class Codes: A61F 2013/8476 : with various devices or method
• CPC Class Codes: Y10S 2/03 : Inflatable garment

Abstract

A disposable absorbent article having an expandable component is disclosed. The expandable component can be inflatable, and comprises a gas evolving material and an activating material separated from the gas evolving material by a breakable barrier. The barrier is broken to combine the materials and inflate the component at the point of use of the disposable absorbent article. The inflatable component can comprise a spacer for maintaining a fecal void space in a disposable absorbent article.

Claims

1. A disposable absorbent article having a front edge, a rear edge, longitudinal edges, and longitudinal and lateral centerlines, the disposable absorbent article comprising:

a liquid impervious backsheet;

a liquid pervious topsheet joined to the backsheet;

an absorbent core intermediate the topsheet and the backsheet;

an inflatable component disposed on the absorbent article, the inflatable component inflatable from a first thickness to a second thickness substantially greater than the first thickness for providing a seal for reducing the leakage of body exudates from between the disposable absorbent article and a wearer'"'"'s skin;

a predetermined amount of a first material disposed on the disposable absorbent article prior to use of the disposable absorbent article;

a predetermined amount of a second material disposed on the disposable absorbent article prior to use of the disposable absorbent article, wherein the second material is separated from the first material by a breakable barrier, and wherein the first and second materials are combinable at a time selected by a user of the article for providing inflation of the inflatable component.

2. The disposable absorbent article recited in claim 1 wherein the second material comprises a liquid, and wherein the breakable barrier comprises a liquid impervious breakable packet containing the second material.

3. The disposable absorbent article recited in claim 1 wherein at least one of the first and second materials is selected from the group consisting of foam, absorbent gelling material and polymers.

4. The disposable absorbent article recited in claim 1 wherein at least one of the first and second materials evolves a gas upon combining the first and second materials.

5. The disposable absorbent article recited in claim 1 wherein the first and second materials are disposed in a gas permeable envelope, and wherein the gas permeable envelope is disposed within the inflatable component.

6. The disposable absorbent article recited in claim 1 wherein the inflatable component comprises at least a portion of a barrier cuff, the barrier cuff having a proximal edge and a distal edge, and wherein the inflatable component is inflatable to bias the distal edge of the barrier cuff apart from the topsheet.

7. The disposable absorbent article recited in claim 1, the absorbent article comprising a front waist region, a rear waist region, and a crotch region disposed between the front and rear waist regions, and wherein the inflatable component is disposed in at least one of the front and rear waist regions to provide a seal for reducing the leakage of body exudates from between the disposable absorbent article and the wearer'"'"'s skin.

8. A disposable absorbent article comprising:

a liquid impervious backsheet;

a liquid pervious topsheet joined to the backsheet;

an absorbent core intermediate the topsheet and the backsheet;

at least one barrier cuff disposed on the absorbent article, that barrier cuff having a proximal edge joined to the disposable absorbent article and a distal edge;

an inflatable component disposed on the absorbent article, the inflatable component inflatable from a first thickness to a second thickness substantially greater than the first thickness for biasing the distal edge of the barrier cuff away from an underlying portion of the disposable absorbent article;

a predetermined amount of a first material disposed on the disposable absorbent article prior to use of the disposable absorbent article; and

a predetermined amount of a second material disposed on the disposable absorbent article prior to use of the disposable absorbent article, wherein the second material is separated from the first material by a breakable barrier, and wherein the first and second materials are combinable at a time selected by a user of the article for providing inflation of the inflatable component.

9. The disposable absorbent article recited in claim 8, the article comprising a pair of generally longitudinally extending barrier cuffs, wherein each barrier cuff has an associated inflatable component for biasing the distal edge of the barrier cuff away from an underlying portion of the disposable absorbent article.

10. The disposable absorbent article recited in claim 8 wherein the second material comprises a liquid, and wherein the breakable barrier comprises a liquid impervious breakable packet containing the second material.

11. The disposable absorbent article recited in claim 8 wherein at least one of the first and second materials evolves a gas upon combining the first and second materials.

12. The disposable absorbent article recited in claim 11 wherein the first and second materials are disposed in a gas permeable envelope, and wherein the gas permeable envelope is disposed within the inflatable component.