Ratio of absorbent area to outer peripheral area for disposable absorbent articles
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-013/491
A61F-013/49
A61F-013/15
A61F-013/514
A61F-013/513
출원번호
US-0217593
(2014-03-18)
등록번호
US-10117793
(2018-11-06)
발명자
/ 주소
Dorschner, Linda M.
출원인 / 주소
KIMBERLY-CLARK WORLDWIDE, INC.
대리인 / 주소
Armstrong Teasdale LLP
인용정보
피인용 횟수 :
0인용 특허 :
64
초록
An absorbent article includes an absorbent core, a liner, and an outer cover. At least one of the liner and outer cover is stretchable. The surface area of the absorbent core is less than about 50% of the surface area of the article.
대표청구항▼
1. A disposable absorbent article having a longitudinal axis, a lateral axis, and a lateral centerline generally defining, longitudinally, a front half and a back half of the article, said article comprising: a liner adapted for contiguous relationship with a wearer's body;an outer cover in generall
1. A disposable absorbent article having a longitudinal axis, a lateral axis, and a lateral centerline generally defining, longitudinally, a front half and a back half of the article, said article comprising: a liner adapted for contiguous relationship with a wearer's body;an outer cover in generally opposed relationship with the liner, at least one of said liner and said outer cover being stretchable in at least one direction, the article having a surface area defined by at least one of said liner and said outer cover; andan absorbent core affixed to at least one of the liner and the outer cover at a point of fixation, the absorbent core being non-stretchable and having a surface area which is less than about 50% of the surface area of the article, the absorbent core lying on the lateral centerline and extending longitudinally farther from said centerline into the front half of the article than into the back half of the article, the width of the absorbent core being greater in the back half of the article than in the front half of the article such that the article has greater lateral and longitudinal extensibility in the front half than in the back half of the article, the article being free of absorbent except at the absorbent core. 2. The disposable absorbent article as set forth in claim 1 wherein said article is a diaper. 3. The disposable absorbent article as set forth in claim 1, wherein the surface area defined by the absorbent core is less than or equal to about 40% of the surface area of said article. 4. The disposable absorbent article as set forth in claim 1 wherein the surface area defined by the absorbent core is less than or equal to about 30% of the surface area of said article. 5. The disposable absorbent article as set forth in claim 1 wherein the absorbent core is secured to both said liner and said outer cover. 6. The disposable absorbent article as set forth in claim 1 wherein the liner is stretchable in at least one direction. 7. The disposable absorbent article as set forth in claim 6 wherein the outer cover is stretchable in said at least one direction. 8. The disposable absorbent article as set forth in claim 6 wherein the liner is generally elastic in said at least one direction. 9. A disposable absorbent article having a longitudinal axis, a lateral axis, and a lateral centerline generally defining, longitudinally, a front half and a back half of the article, said article comprising: a liner adapted for contiguous relationship with a wearer's body, wherein the liner is stretchable generally laterally of said article;an outer cover in generally opposed relationship with the liner, said outer cover being stretchable generally laterally of said article, the article having a surface area defined by at least one of said liner and said outer cover; andan absorbent core affixed to at least one of the liner and the outer cover at a point of fixation, the absorbent core being non-stretchable and having a surface area which is less than about 50% of the surface area of the article, the absorbent core lying on the lateral centerline and extending longitudinally farther from said centerline into the front half of the article than into the back half of the article, the width of the absorbent core being greater in the back half of the article than in the front half of the article such that the article has greater lateral and longitudinal extensibility in the front half than in the back half of the article, the article being free of absorbent except at the absorbent core. 10. The disposable absorbent article as set forth in claim 9 wherein the liner is stretchable generally longitudinally and laterally of said article. 11. The disposable absorbent article as set forth in claim 9 wherein the liner is extensible generally laterally of said article. 12. The disposable absorbent article as set forth in claim 9 wherein the liner has a width extending laterally of said article, said liner being capable of lateral elongation of about 20 percent when the article is subjected to a laterally directed tensile force of about 100 gmf per inch (per 2.54 cm) of width of said liner. 13. The disposable absorbent article as set forth in claim 9 wherein the liner has a width extending laterally of said article, said liner being capable of lateral elongation of about 25 percent when the article is subjected to a laterally directed tensile force of about 100 gmf per inch (per 2.54 cm) of width of said liner. 14. The disposable absorbent article as set forth in claim 9 wherein the liner has a width extending laterally of said article, said liner being capable of substantially permanent elongation laterally of said article whereby the width of said liner is increased at least about 10 percent when the article is subjected to a laterally directed tensile force of about 100 gmf per inch (per 2.54 cm) of width of said liner. 15. The disposable absorbent article as set forth in claim 9 wherein the liner has a width extending laterally of said article, said liner being capable of substantially permanent elongation laterally of said article whereby the width of said liner is increased at least about 20 percent when the article is subjected to a laterally directed tensile force of about 100 gmf per inch (per 2.54 cm) of width of said liner. 16. A disposable absorbent article having a longitudinal axis, a lateral axis, and a lateral centerline generally defining, longitudinally, a front half and a back half of the article, said article comprising: a liner adapted for contiguous relationship with a wearer's body;an outer cover in generally opposed relationship with the liner, at least one of said liner and said outer cover being stretchable in at least one direction, the article having a surface area defined by at least one of said liner and said outer cover; andan absorbent core affixed to at least one of the liner and the outer cover at a point of fixation, the absorbent core being non-stretchable and having a surface area which is less than about 50% of the surface area of the article, the absorbent core lying on the lateral centerline and extending longitudinally farther from said centerline into the front half of the article than into the back half of the article, the article being free of absorbent except at the absorbent core, wherein said back half of the article has a surface area and at least a portion of the absorbent core extends into the back half of the article, said portion of the absorbent core having a surface area which is less than about 50% of the surface area of the back half of said article, the width of the absorbent core being greater in the back half of the article than in the front half of the article such that the article has greater lateral and longitudinal extensibility in the front half than in the back half of the article. 17. The disposable absorbent article as set forth in claim 16 wherein said article is a diaper. 18. The disposable absorbent article as set forth in claim 16, wherein the surface area defined by said portion of the absorbent core is less than or equal to about 40% of the surface area of the back half of said article. 19. The disposable absorbent article as set forth in claim 16 wherein the surface area defined by said portion of the absorbent core is less than or equal to about 30% of the surface area of the back half of said article.
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