Absorbent articles with hook and loop fastening systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61F-013/62
A61F-013/56
A44B-018/00
출원번호
US-0293188
(2011-11-10)
등록번호
US-9084701
(2015-07-21)
발명자
/ 주소
RamosMedina, Nayda Liz
Looney, Michael Timothy
Ashraf, Arman
Kline, Mark James
Horn, Thomas Alexander
Marche, Thierry J.
Blanc, Olivier J.
출원인 / 주소
The Procter & Gamble Company
대리인 / 주소
Mueller, Andrew J.
인용정보
피인용 횟수 :
3인용 특허 :
55
초록▼
A disposable wearable absorbent article having a hook and loop fastening system that comprises a nonwoven female fastening material and a male fastening material with a plurality of bidirectional micro-sized hooks, each having a cap and at least one arm. The height of each hook and cap may be define
A disposable wearable absorbent article having a hook and loop fastening system that comprises a nonwoven female fastening material and a male fastening material with a plurality of bidirectional micro-sized hooks, each having a cap and at least one arm. The height of each hook and cap may be defined relative to the overall thickness of the female fastening material. Caps may have a vertical engagement effective area that has: (a) at least two sides that are substantially parallel; (b) a width-to-thickness aspect ratio from 1 to 2; and (c) an area from 40,000 to 120,000 μ2. Caps may have an overall recessed width and a deepest recessed depth that is defined relative to the overall fiber cross-sectional dimension.
대표청구항▼
1. A disposable wearable absorbent article having a hook and loop fastening system, the fastening system comprising: a female fastening material, which is a nonwoven material, having an overall thickness and having a plurality of fibers, wherein each of the fibers has an overall fiber cross-sectiona
1. A disposable wearable absorbent article having a hook and loop fastening system, the fastening system comprising: a female fastening material, which is a nonwoven material, having an overall thickness and having a plurality of fibers, wherein each of the fibers has an overall fiber cross-sectional dimension; anda male fastening material with a plurality of bidirectional micro-sized hooks, wherein: each of the hooks has an overall hook height that is greater than or equal to one third of the overall thickness of the female fastening material but less than or equal to twice the overall thickness of the female fastening material;each of the hooks includes a cap, and each of the caps has a vertical engagement effective area that: has an overall shape with at least two sides that are substantially parallel,has a width-to-thickness aspect ratio that is greater than or equal to 1 but less than or equal to 2, andis greater than or equal to 40,000 square micrometers but less than or equal to 120,000 square micrometers; andeach of the caps has an overall cap height that is: less than or equal to one third of the thickness of the overall thickness of the female fastening material, andless than or equal to 120 micrometers; and each of the hooks has two arms, at least one of the arms having an underside, the underside including a recessed portion, the recessed portion having a deepest recessed depth that is greater than or equal to 40% of the overall fiber cross-sectional dimension and less than or equal to 200% of the overall fiber cross-sectional dimension, and the recessed portion having an overall recessed width that is greater than or equal to 200% of the overall fiber cross-sectional dimension and less than or equal to 500% of the overall fiber-cross sectional dimension, and each of the arms has a proximal end portion and a distal end portion, wherein each arm narrows in the height dimension between the proximal end portion and the distal end portion to a thinnest arm portion that is narrower in the height dimension than either the proximal end portion or the distal end portion, wherein the height of the thinnest arm portion is greater than or equal to 70% of the overall fiber cross-sectional dimension and less than or equal to 200% of the overall fiber cross-sectional dimension. 2. The disposable wearable absorbent article of claim 1, wherein each of the arms has an underside with a recessed portion. 3. The disposable wearable absorbent article of claim 1, wherein the two sides that are substantially parallel are two side edges of the cap. 4. The disposable wearable absorbent article of claim 1, wherein the overall shape of the vertical engagement effective area is rectangular. 5. The disposable wearable absorbent article of claim 1, wherein the overall hook height is greater than or equal to half of the overall thickness of the female fastening material but less than or equal to one and half times the overall thickness of the female fastening material. 6. The disposable wearable absorbent article of claim 1, wherein the overall hook height is about equal to the overall thickness of the female fastening material. 7. The disposable wearable absorbent article of claim 1, wherein the width-to-thickness aspect ratio is greater than or equal to 1.2 but less than or equal to 1.9. 8. The disposable wearable absorbent article of claim 1, wherein the width-to-thickness aspect ratio is greater than or equal to 1.3 but less than or equal to 1.8. 9. The disposable wearable absorbent article of claim 1, wherein the vertical engagement effective area is greater than or equal to 50,000 square micrometers but less than or equal to 100,000 square micrometers. 10. The disposable wearable absorbent article of claim 1, wherein the vertical engagement effective area is greater than or equal to 60,000 square micrometers but less than or equal to 90,000 square micrometers. 11. The disposable wearable absorbent article of claim 1, wherein the overall cap height is less than or equal to one fourth of the overall thickness of the female fastening material. 12. The disposable wearable absorbent article of claim 1, wherein the overall cap height is less than or equal to one fifth of the overall thickness of the female fastening material. 13. The disposable wearable absorbent article of claim 1, wherein the overall cap height is less than or equal to 100 micrometers. 14. The disposable wearable absorbent article of claim 1, wherein the overall cap height is less than or equal to 80 micrometers. 15. The disposable wearable absorbent article of claim 1, wherein the overall thickness of the female fastening material is less than or equal to 650 micrometers. 16. The disposable wearable absorbent article of claim 1, wherein the overall thickness of the female fastening material is less than or equal to 500 micrometers. 17. The disposable wearable absorbent article of claim 1, wherein the overall thickness of the female fastening material is less than or equal to 350 micrometers. 18. The disposable wearable absorbent article of claim 1, wherein the female fastening material is a spunbond nonwoven material. 19. The disposable wearable absorbent article of claim 1, including an outer cover with a fibrous outer surface, and the female fastening material is included in a landing zone disposed on the outer cover. 20. A disposable wearable absorbent article having a hook and loop fastening system, the fastening system comprising: a female fastening material, which is a nonwoven, having a plurality of fibers, wherein each of the fibers has an overall fiber cross-sectional dimension; anda male fastening material with a plurality of micro-sized hooks, wherein: each of the hooks includes a cap, and each of the caps has: a vertical engagement effective area that has an overall shape with at least two sides that are substantially parallel, andan overall cap height that is less than or equal to eight times the overall fiber cross-sectional dimension, and each of the hooks has an arm, with an underside, and the underside includes a recessed portion, which has a deepest recessed depth that is greater than or equal to 40% of the overall fiber cross-sectional dimension and less than or equal to 200% of the overall fiber cross-sectional dimension, and which has an overall recessed width that is greater than or equal to 200% of the overall fiber cross-sectional dimension and less than or equal to 500% of the overall fiber-cross sectional dimension, and each of the arms has a proximal end portion and a distal end portion, wherein each arm narrows in the height dimension between the proximal end portion and the distal end portion to a thinnest arm portion that is narrower in the height dimension than either the proximal end portion or the distal end portion, wherein the height of the thinnest arm portion is greater than or equal to 70% of the overall fiber cross-sectional dimension and less than or equal to 200% of the overall fiber cross-sectional dimension. 21. The disposable wearable absorbent article of claim 20, wherein the overall cap height that is less than or equal to seven times the overall fiber cross-sectional dimension. 22. The disposable wearable absorbent article of claim 20, wherein the overall cap height that is less than or equal to six times the overall fiber cross-sectional dimension. 23. The disposable wearable absorbent article of claim 20, wherein the overall fiber cross-sectional dimension is less than or equal to 25 micrometers. 24. The disposable wearable absorbent article of claim 20, wherein the overall fiber cross-sectional dimension is less than or equal to 20 micrometers. 25. The disposable wearable absorbent article of claim 20, wherein the overall fiber cross-sectional dimension is less than or equal to 15 micrometers. 26. The disposable wearable absorbent article of claim 20, wherein the two sides that are substantially parallel are two side edges of the cap. 27. The disposable wearable absorbent article of claim 20, wherein the overall shape of the vertical engagement effective area is rectangular. 28. The disposable wearable absorbent article of claim 20, wherein the overall cap height is less than or equal to 120 micrometers. 29. The disposable wearable absorbent article of claim 20, wherein the overall cap height is less than or equal to 100 micrometers. 30. The disposable wearable absorbent article of claim 20, wherein the overall cap height is less than or equal to 80 micrometers. 31. A disposable wearable absorbent article having a hook and loop fastening system, the fastening system comprising: a female fastening material, which is a nonwoven, having a plurality of fibers, wherein each of the fibers has an overall fiber cross-sectional dimension; anda male fastening material with a plurality of micro-sized hooks, wherein: each of the hooks has an arm with an underside, and the underside includes a recessed portion, which has: an overall recessed width that is greater than or equal to 200% of the overall fiber cross-sectional dimension but less than or equal to 500% of the overall fiber cross-sectional dimension, anda deepest recessed depth that is greater than or equal to 40% of the overall fiber cross-sectional dimension but less than or equal to 200% of the overall fiber cross-sectional dimension, andwherein each arm has a proximal end portion and a distal end portion, wherein each arm narrows in the height dimension between the proximal end portion and the distal end portion to a thinnest arm portion that is narrower in the height dimension than either the proximal end portion or the distal end portion, wherein the height of the thinnest arm portion is greater than or equal to 70% of the overall fiber cross-sectional dimension and less than or equal to 200% of the overall fiber cross-sectional dimension. 32. The disposable wearable absorbent article of claim 31, wherein the overall recessed width is greater than or equal to 200% of the overall fiber cross-sectional dimension but less than or equal to 400% of the overall fiber cross-sectional dimension. 33. The disposable wearable absorbent article of claim 31, wherein the overall recessed width is greater than or equal to 200% of the overall fiber cross-sectional dimension but less than or equal to 300% of the overall fiber cross-sectional dimension. 34. The disposable wearable absorbent article of claim 31, wherein the deepest recessed depth is greater than or equal to 50% of the overall fiber cross-sectional dimension but less than or equal to 150% of the overall fiber cross-sectional dimension. 35. The disposable wearable absorbent article of claim 31, wherein the deepest recessed depth is greater than or equal to 60% of the overall fiber cross-sectional dimension but less than or equal to 100% of the overall fiber cross-sectional dimension. 36. The disposable wearable absorbent article of claim 31, wherein the deepest recessed depth is greater than or equal to 10% of the overall cap height but less than or equal to 60% of the overall cap height. 37. The disposable wearable absorbent article of claim 31, wherein the deepest recessed depth is greater than or equal to 20% of the overall cap height but less than or equal to 50% of the overall cap height. 38. The disposable wearable absorbent article of claim 31, wherein each of the hooks is a bidirectional hook. 39. The disposable wearable absorbent article of claim 31, wherein the overall fiber cross-sectional dimension is less than or equal to 25 micrometers. 40. The disposable wearable absorbent article of claim 31, wherein the overall fiber cross-sectional dimension is less than or equal to 20 micrometers. 41. The disposable wearable absorbent article of claim 31, wherein the overall fiber cross-sectional dimension is less than or equal to 15 micrometers. 42. The disposable wearable absorbent article of claim 31, wherein the female fastening material is a spunbond nonwoven material. 43. The disposable wearable absorbent article of claim 31, including an outer cover with a fibrous outer surface, and the female fastening material is included in a landing zone disposed on the outer cover. 44. The disposable wearable absorbent article of claim 20, wherein the female fastening material is a spunbond nonwoven material.
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