IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0983809
(2001-10-25)
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발명자
/ 주소 |
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출원인 / 주소 |
- Paragon Trade Brands, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
9 인용 특허 :
19 |
초록
▼
Absorbent articles with friction-inducing substances at one or more predetermined application zones, as well as methods for using the absorbent articles and methods for preparing the absorbent articles, are disclosed. The absorbent articles have unexpectedly superior fit, distribution, comfort, leak
Absorbent articles with friction-inducing substances at one or more predetermined application zones, as well as methods for using the absorbent articles and methods for preparing the absorbent articles, are disclosed. The absorbent articles have unexpectedly superior fit, distribution, comfort, leak protection, skin protection, absorbency and/or cost-efficiency.
대표청구항
▼
1. An absorbent article comprising:a substantially impermeable backsheet; a permeable topsheet; an absorbent core disposed between the substantially impermeable backsheet and a skin-opposing surface of said permeable topsheet; a friction-inducing substance adhered to both a skin-facing surface of th
1. An absorbent article comprising:a substantially impermeable backsheet; a permeable topsheet; an absorbent core disposed between the substantially impermeable backsheet and a skin-opposing surface of said permeable topsheet; a friction-inducing substance adhered to both a skin-facing surface of the permeable topsheet at at least two application zones defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges and to a skin-opposing surface of the substantially impermeable backsheet at at least two application zones defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges; and a pressure-sensitive adhesive disposed on a skin-facing surface of the permeable topsheet at two application zones, each said application zone being defined by a predetermined area adjacent to and approximately parallel to each of a pair of back-side application edges; wherein said friction-inducing substance is a skin-friendly substance that increases the coefficient of friction between at least two opposing surfaces without adhering to the skin of the wearer. 2. The absorbent article of claim 1, wherein the friction-inducing substance is adhered to the skin-facing surface of the permeable topsheet at two application zones.3. The absorbent article of claim 1, whereby the friction-inducing substance is engageable with the skin of a wearer of the absorbent article when in use.4. The absorbent article of claim 1, wherein the friction-inducing substance increases the coefficient of friction between the skin-facing surface of the permeable topsheet and the skin of the wearer when the absorbent article is in use without adhering to the skin of the wearer.5. The absorbent article of claim 1, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the skin of a wearer of the absorbent article by about 25% to about 500% when the absorbent article is in use.6. The absorbent article of claim 1, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the skin of a wearer of the absorbent article by about 50% to about 200% when the absorbent article is in use.7. The absorbent article of claim 1, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the skin of a wearer of the absorbent article by about 60% to about 140% when the absorbent article is in use.8. The absorbent article of claim 1, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the skin of a wearer of the absorbent article by about 80% to about 100% when the absorbent article is in use.9. The absorbent article of claim 1, wherein the friction-inducing substance is a skin-friendly substance.10. The absorbent article of claim 1, wherein the friction-inducing substance is selected from the group consisting of rubber-solvents, cellulosics, gums, minerals, polymers, resins and combinations thereof.11. The absorbent article of claim 1, wherein the friction-inducing substance is selected from the group consisting of polymers and combinations thereof.12. The absorbent article of claim 1, wherein the friction-inducing substance is Product No. 10958-17-1 available from National Starch and Chemical, Inc. located in Bridgewater, N.J.13. The absorbent article of claim 1, wherein the application zone forms a substantially rectangular area of about 2 mm to about 190 mm in width and about 5 mm to about 200 mm in length.14. The absorbent article of claim 1, wherein said absorbent article is substantially evenly distributed around the body of the wearer during use.15. An absorbent article comprising:a substantially impermeable backsheet and a permeable topsheet; said substantially impermeable backsheet and said permeable topsheet being defined by a front edge, a back edge approximately parallel to said front edge, a pair of opposing front-side application edges and a pair of opposing back-side application edges, each of said front-side and back-side application edges being disposed between and approximately perpendicular to the front edge and the back edge, and a pair of opposing leg cutout edges disposed between the pair of front-side edges and the pair of back-side edges; an absorbent core disposed between the substantially impermeable backsheet and a skin-opposing surface of said permeable topsheet; a friction-inducing substance adhered to both a skin-facing surface of the permeable topsheet at at least two application zones defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges and to a skin-opposing surface of the substantially impermeable backsheet at at least two application zones defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges; and a pressure-sensitive adhesive disposed on a skin-facing surface of the permeable topsheet at two application zones, each said application zone being defined by a predetermined area adjacent to and approximately parallel to each of a pair of back-side application edges; wherein said friction-inducing substance is a skin-friendly substance that increases the coefficient of friction between at least two opposing surfaces without adhering to the skin of the wearer. 16. The absorbent article of claim 15, wherein the friction-inducing substance is adhered to the skin-facing surface of the permeable topsheet at two application zones, each said application zone being defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each at the two back-side application edges.17. The absorbent article of claim 15, wherein a friction-inducing substance is adhered to a skin-opposing surface of the substantially impermeable backsheet at two application zones, each said application zone being defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges.18. The absorbent article of claim 17, wherein the friction-inducing substance is adhered to the skin-facing surface of the permeable topsheet at two application zones,wherein the two application zones on the skin-facing surface of the permeable topsheet are defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges; and wherein the two application zones on the skin-facing surface of the permeable topsheet are defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges. 19. The absorbent article of claim 15, wherein an outmost portion of each application zone is about 0.1 mm to about 190 mm from said front-side application edge or said back-side application edge.20. The absorbent article of claim 15, wherein an outmost portion of each application zone is about 5 mm to about 50 mm from said front-side application edge or said back-side application edge.21. The absorbent article of claim 15, wherein a forward-most portion of each application zone adjacent to the front-side application edge is about 0 mm about 200 mm from the front edge of the permeable topsheet.22. The absorbent article of claim 15, wherein a forward-most portion of each application zone adjacent to the front-side application edge is about 0 mm to about 100 mm from the front edge of the permeable topsheet.23. The absorbent article of claim 15, whereby the friction-inducing substance is engageable with the skin of a wearer of the absorbent article when in use.24. The absorbent article of claim 15, wherein the friction-inducing substance increases the coefficient of friction between the skin-facing surface of the permeable topsheet and the skin of the wearer when the absorbent article is in use without adhering to the skin of the wearer.25. The absorbent article of claim 15, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the skin of a wearer of the absorbent article by about 25% to about 500% when the absorbent article is in use.26. The absorbent article of claim 15, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the skin of a wearer of the absorbent article by about 50% to about 200% when the absorbent article is in use.27. The absorbent article of claim 15, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the skin of a wearer of the absorbent article by about 60% to about 140% when the absorbent article is in use.28. The absorbent article of claim 15, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the skin of a wearer of the absorbent article by about 80% to about 100% when the absorbent article is in use.29. The absorbent article of claim 15, wherein the friction-inducing substance is a skin-friendly substance.30. The absorbent article of claim 15, wherein the friction-inducing substance is selected from the group consisting of rubber-solvents, cellulosics, gums, minerals, polymers, resins.31. The absorbent article of claim 15, wherein the friction-inducing substance is Product No. 10958-17-1 available from National Starch and Chemical. Inc. located in Bridgewater, N.J.32. The absorbent article of claim 15, wherein the application zone forms a substantially rectangular area of about 2 mm to about 190 mm in width and about 5 mm to about 200 mm in length.33. The absorbent article of claim 15, wherein said absorbent article is substantially evenly distributed around the body of the wearer during use.34. The absorbent article of claim 15, wherein the application zone forms a substantially rectangular area of about 2 mm to about 190 mm in width and about 5 mm to about 200 mm in length.35. The absorbent article of claim 15, wherein the application zone forms a substantially rectangular area of about 5 mm to about 60 mm in width and about 10 mm to about 100 mm in length.36. The absorbent article of claim 15, wherein the friction-inducing substance covers the entire application zone.37. The absorbent article of claim 15, wherein the friction-inducing substance partially covers the application zone.38. The absorbent article of claim 15, wherein the friction-inducing substance partially covers the application zone.39. The absorbent article of claim 38, wherein the friction-inducing substance forms a pattern thereon.40. The absorbent article of claim 39, wherein the pattern is selected from the group consisting of spiral, random fiberization, zoned slot and combinations thereof.41. The absorbent article of claim 39, wherein said pattern provides cost efficiency.42. The absorbent article of claim 15, wherein said friction-inducing substance is of a substantially uniform application density.43. The absorbent article of claim 15, further comprising a pressure-sensitive adhesive at a pressure-sensitive application zone or plurality of pressure-sensitive application zones, the pressure-sensitive adhesive zone or each of the plurality of pressure-sensitive application zones being of a predetermined area adjacent and parallel to the back application edges of the permeable topsheet.44. The absorbent article of claim 43, wherein the pressure-sensitive adhesive is engageable with the skin-opposing surface of the substantially impermeable backsheet at a receiving zone.45. An absorbent article comprising:a substantially impermeable backsheet; a permeable topsheet having a skin-facing surface and a skin-opposing surface; said permeable topsheet being defined by a front edge, a back edge approximately parallel to said front edge, two front-side application edges and two back-side application edges, each of said front-side and back-side application edges being approximately perpendicular to the front edge and the back edge, and two leg cutout edges disposed between the two front-side edges and the two back-side edges; an absorbent core positioned between the substantially impermeable backsheet and the skin-opposing surface of said permeable topsheet; a friction-inducing substance adhered to the skin-facing surface of said permeable topsheet at a pair of first application zones whereby the friction-inducing substance is engageable with the skin of a wearer of the absorbent article when in use, said first application zones being of a predetermined area adjacent and parallel to the front-side application edge, and to a skin-opposing surface of the substantially impermeable backsheet at at least two application zones defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges; and a pressure-sensitive adhesive disposed on a skin-opposing surface of said substantially impermeable backsheet at a pair of second application zones, said second application zones being of a predetermined area adjacent and parallel to the back-side application edge; wherein said friction-inducing substance is a skin-friendly substance that increases the coefficient of friction between at least two opposing surfaces without adhering to the skin of the wearer; wherein said first application zones form a substantially rectangular area of about 2mm to about 190 mm in width and about 5 mm to about 200 mm in length; and wherein an outmost portion of each of said first application zones is about 0.1 mm to about 190 mm from said front-side application edge or said back-side application edge. 46. The absorbent article of claim 45, wherein the friction-inducing substance increases the coefficient of friction between the skin-facing surface of the permeable topsheet and the skin-opposing surface of the substantially impermeable backsheet when the absorbent article is in use.47. The absorbent article of claim 45, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the substantially impermeable backsheet of the absorbent article by about 25% to about 500% when the absorbent article is in use.48. The absorbent article of claim 45, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the substantially impermeable backsheet of the absorbent article by about 50% to about 200% when the absorbent article is in use.49. The absorbent article of claim 45, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the substantially impermeable backsheet of the absorbent article by about 60% to about 140% when the absorbent article is in use.50. The absorbent article of claim 45, wherein the friction-inducing substance increases the coefficient of friction between the permeable topsheet of the absorbent article and the substantially impermeable backsheet of the absorbent article by about 80% to about 100% when the absorbent article is in use.51. An absorbent garment, which comprises:a front and a rear waist portion cooperating to form a waist opening, each of the front and rear waist portion being defined by a skin-facing surface and a skin-opposing surface; a crotch region formed between said front waist portion and said rear waist portion; a pair of leg cutouts on opposed sides of the crotch region; and a pair of front wing regions on the front waist portion, each of the front wing regions defining an area of the front waist portion adjacent to each said leg cutout; a pair of back wing regions on the back waist portion, each of the back wing regions defining an area of the back waist portion adjacent to each said leg cutout; a friction-inducing substance adhered to both the skin-facing surface at a plurality of friction-inducing substance application zones on the each of the front wing regions and to the skin-opposing surface at at least two application zones defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges, said plurality of friction-inducing substance application zones being selectively placed to improve the fit of the absorbent garment on a wearer of said absorbent garment; and a pressure-sensitive adhesive disposed on a skin-facing surface of the permeable topsheet at two application zones, each said application zone being defined by a predetermined area adjacent to and approximately parallel to each of a pair of back-side application edges; wherein said friction-inducing substance is a skin-friendly substance that increases the coefficient of friction between at least two opposing surfaces without adhering to the skin of the wearer. 52. An absorbent garment, which comprises:a substantially impermeable backsheet; a permeable topsheet; an absorbent core disposed between the substantially impermeable backsheet and a skin-opposing surface of said permeable topsheet; a front and a rear waist portion cooperating to form a waist opening, each of the front and rear waist portion being defined on a skin-facing surface by the permeable topsheet and on a skin-opposing surface by the substantially impermeable backsheet; a crotch region formed between said front waist portion and said rear waist portion; a pair of leg cutouts on opposed sides of the crotch region; and a friction-inducing substance adhered to both a skin-facing surface of the permeable topsheet at at least two application zones defined by predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges and to a skin-opposing surface of the substantially impermeable backsheet at at least two application zones defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges; and a pressure-sensitive adhesive disposed on a skin-facing surface of the permeable topsheet at two application zones, each said application zone being defined by a predetermined area adjacent to and approximately parallel to each of a pair of back-side application edges; wherein said friction-inducing substance is a skin-friendly substance that increases the coefficient of friction between at least two opposing surfaces without adhering to the skin of a wearer. 53. The absorbent garment of claim 52, further comprising a first leg gather and a second leg gather.54. The absorbent garment of claim 52, wherein the absorbent garment is a diaper.55. The absorbent garment of claim 52, wherein the absorbent garment is a unisex diaper.56. The absorbent garment of claim 52, wherein the absorbent garment is a nighttime diaper.57. The absorbent garment of claim 52, wherein the absorbent garment is a travel diaper.58. The absorbent garment of claim 52, wherein the absorbent garment is an adult incontinent product.59. A method of preparing an absorbent article comprising:adhering a friction-inducing substance to both a skin-facing surface of a permeable topsheet at at least two application zones defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges and to a skin-opposing surface of the substantially impermeable backsheet at at least two application zones defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges, wherein said friction-inducing substance is a skin-friendly substance that increases the coefficient of friction between at least two opposing surfaces without adhering to at least one of said opposing surfaces; adhering a pressure-sensitive adhesive to a skin-facing surface of the permeable topsheet at two application zones, each said application zone being defined by a predetermined area adjacent to and approximately parallel to each of a pair of back-side application edges; and incorporating the permeable topsheet into an absorbent article. 60. A method of preparing an absorbent article comprising:adhering a friction-inducing substance or a pressure sensitive adhesive to a permeable topsheet at an application zone or plurality of application zones, said application zone or plurality of application zones being selectively placed to hold each of two mechanical fasteners in a folded position during processing of said absorbent article, wherein said friction-inducing substance is a skin-friendly substance that increases the coefficient of friction between at least two opposing surfaces without adhering to at least one of said opposing surfaces; adhering a friction-inducing substance to a skin-opposing surface of the substantially impermeable backsheet at at least two application zones defined by a predetermined area adjacent to and approximately parallel to each of the two front-side application edges or each of the two back-side application edges; and adhering a pressure-sensitive adhesive to a skin-facing surface of the permeable topsheet at two application zones, each said application zone being defined by a predetermined area adjacent to and approximately parallel to each of a pair of back-side application edges; and incorporating the permeable topsheet into the absorbent article.
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