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US7628778: Absorbent article with self-forming seals

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Filing Information

Inventor(s) Georgia Lynn Zehner · Duane Girard Uitenbroek · John Philip Vukos ·
Assignee(s) Kimberly-Clark Worldwide, Inc. ·
Attorney/Agent(s) Armstrong Teasdale LLP ·
Primary Examiner Jacqueline F. Stephens ·
Application Number US10011089
Filing date 12/07/2001
Issue date 12/08/2009
Prior Publication Data
Predicted expiration date 05/24/2024
Patent term adjustment 1305
U.S. Classifications 604/385.22  · 604/396  · 604/385.31  · 604/385.3  · 604/386  · 604/385.01  ·
International Classifications A61F1315  ·
Kind CodeB2
Related U.S. Application DataCROSS REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part application of application, Ser. No. 09/698,517, filed on Oct. 27, 2000. The co-pending parent application is hereby incorporated by reference herein and is made a part hereof, including but not limited to those portions which specifically appear hereinafter.
66 Claims, 21 Drawings


Abstract

A self-forming seal absorbent article is provided and includes a biaxially extensible outer cover, a biaxially extensible bodyside liner forming a wearer adjacent surface, a biaxially extensible absorbent core assembly interposed between the outer cover and the bodyside liner, and a pair of laterally-spaced apart and longitudinally-extending containment flap members disposed along the wearer adjacent surface of the bodyside liner.

Independent Claims | See all claims (66)

  1. 1. A self-forming seal absorbent article adapted to be worn by a wearer having a body contour, the absorbent article comprising: a chassis having opposed first and second longitudinal sides and opposed first and second lateral sides, the chassis including; a biaxially extensible outer cover forming a cover perimeter, a biaxially extensible bodyside liner forming a wearer adjacent surface and a liner perimeter, a biaxially extensible absorbent core assembly interposed between the outer cover and the bodyside liner, the absorbent core assembly providing a footprint contour adapted to match the body contour of a wearer of the absorbent article, the footprint contour comprising a back waist area, a front waist area narrower than the back waist area, and a crotch area narrower than the front waist area disposed between the front and back waist areas, and a pair of laterally-spaced apart and longitudinally-extending containment flap members disposed along the wearer adjacent surface of the bodyside liner, each of the containment flap members comprises a material extensible in at least one of the longitudinal and lateral directions, wherein the chassis includes a perimeter area and an interior area, the perimeter area is defined at least in part by the cover perimeter and the liner perimeter, the interior area comprises all area of the chassis completely surrounded by the perimeter area, and the perimeter area and the interior area are free of leg elastics.
  2. 36. A self-forming seal absorbent article adapted to be worn by a wearer having a body contour, the absorbent article comprising: a chassis having opposed first and second longitudinal sides and opposed first and second lateral sides, the chassis having an original longitudinal length and an original lateral length, the chassis including; a biaxially extensible outer cover forming a cover perimeter, a biaxially extensible bodyside liner forming a wearer adjacent surface and a liner perimeter, a biaxially extensible absorbent core assembly interposed between the biaxially extensible outer cover and the biaxially extensible bodyside liner, the absorbent core assembly providing a footprint contour adapted to match the body contour of a wearer of the absorbent article, the footprint contour comprising a back waist area, a front waist area narrower than the back waist area, and a crotch area narrower than the front waist area disposed between the front and back waist areas, and a pair of laterally-spaced apart and longitudinally-extending containment flap members disposed along the wearer adjacent surface of the bodyside liner, each of the containment flap members being extensible in at least one of the longitudinal and lateral directions; wherein the chassis can be longitudinally extended at least 5 percent and up to 150 percent of its original longitudinal length and laterally extended at least 10 percent and up to 200 percent of its original lateral length, wherein the chassis includes a perimeter area and an interior area, the perimeter area is defined at least in part by the cover perimeter and the liner perimeter, the interior area comprises all area of the chassis completely surrounded by the perimeter area, and the perimeter area and the interior area are free of leg elastics.
  3. 54. A self-forming seal absorbent article adapted to be worn by a wearer having a body contour, the absorbent article comprising: a biaxially stretchable chassis having opposed first and second longitudinal sides and opposed first and second lateral sides, the chassis having an original longitudinal length and an original lateral length, the chassis including; a biaxially stretchable outer cover forming a cover perimeter, a biaxially stretchable bodyside liner forming a wearer adjacent surface and a liner perimeter, a biaxially stretchable absorbent core assembly interposed between the outer cover and the bodyside liner, the absorbent core assembly providing a footprint contour adapted to match the body contour of a wearer of the absorbent article, the footprint countour comprising a back waist area, a front waist area narrower than the back waist area, and a crotch area narrower than the front waist area disposed between the front and back waist areas, and a pair of laterally-spaced apart and longitudinally-extending containment flap members disposed along the wearer adjacent surface of the bodyside liner, each of the containment flap members being extensible in at least one of the longitudinal and lateral directions; wherein the chassis can be longitudinally stretched at least 5 percent and up to 150 percent of its original longitudinal length and laterally stretched at least 10 percent and up to 200 percent of its original lateral lengths, wherein the chassis includes a perimeter area and an interior area, the perimeter area is defined at least in part by the cover perimeter and the liner perimeter, the interior area comprises all area of the chassis completely surrounded by the perimeter area, and the perimeter area and the interior area are free of leg elastics.

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Referenced By

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