CA2506431A1 - Inverse textured web - Google Patents
Inverse textured web Download PDFInfo
- Publication number
- CA2506431A1 CA2506431A1 CA002506431A CA2506431A CA2506431A1 CA 2506431 A1 CA2506431 A1 CA 2506431A1 CA 002506431 A CA002506431 A CA 002506431A CA 2506431 A CA2506431 A CA 2506431A CA 2506431 A1 CA2506431 A1 CA 2506431A1
- Authority
- CA
- Canada
- Prior art keywords
- facing side
- fibers
- web
- layer
- composite web
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A—HUMAN NECESSITIES
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- A61F13/15577—Apparatus or processes for manufacturing
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
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- A—HUMAN NECESSITIES
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- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
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- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F13/51305—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having areas of different permeability
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- A—HUMAN NECESSITIES
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
- A61F13/51476—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being three-dimensional, e.g. embossed, textured, pleated, or with three-dimensional features, like gathers or loops
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
- A61F13/51484—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being inhomogeneous in the plane of the sheet, i.e. having zones of different properties or structures
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F13/00—Bandages or dressings; Absorbent pads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
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Abstract
A composite web adapted for use as a component in a disposable absorbent article is disclosed. The composite web comprises a first fibrous layer and a second layer, the first and second layers each comprising a body-facing side and a garment-facing side and are disposed in a face to face relationship to form a laminate. The first fibrous layer comprises a fibrous web of randomly oriented fibers with respect to an X-Y plane, and a plurality of discrete regions of fiber reorientation at least on the body-facing side thereof, and a plurality of fibers having portions reoriented in a direction substantially orthogonal to the X-Y plane and extending toward the garment-facing side.</S DOAB>
Claims (13)
1. A composite web adapted for use as a component in a disposable absorbent article, said composite web characterized by a first fibrous layer and a second layer, said first and second layers each comprising a body-facing side and a garment-facing side and being disposed in a face to face relationship to form a laminate, said first fibrous layer comprising a fibrous web of randomly oriented fibers with respect to an X-Y
plane, and comprising a plurality of discrete regions of fiber reorientation at least on said body-facing side, and comprising a plurality of fibers having portions reoriented in a direction substantially orthogonal to said X-Y plane and extending toward said garment-facing side.
plane, and comprising a plurality of discrete regions of fiber reorientation at least on said body-facing side, and comprising a plurality of fibers having portions reoriented in a direction substantially orthogonal to said X-Y plane and extending toward said garment-facing side.
2. The composite web of Claim 1, further characterized in that each said discrete region has a linear orientation defining a longitudinal axis in said X-Y plane.
3. The composite web of Claim 1, further characterized in that said second layer is a fibrous layer.
4. The composite web of Claim 3, further characterized in that the first fibrous layer or the second fibrous layer are nonwoven webs comprising fibers that differ in one or more properties selected from the group consisting of: basis weight, caliper, fiber type, fiber size, fiber surface energy, and hydrophobicity.
5. The composite web of Claim 4, further characterized in that the first fibrous layer or the second fibrous layer is chosen from the group consisting of, an airlaid nonwoven web, a spunbond nonwoven web, a meltblown nonwoven web, and a carded nonwoven web.
6. The composite web of Claim 1, further characterized in that said plurality of discrete regions is uniformly distributed on said composite web.
7. The composite web of Claim 4, further characterized in that said fibers of either said first or second layer comprise polymers selected from the group consisting of polyethylene, polypropylene, polyester, and blends thereof.
8. The composite web of Claim 4, further characterized in that said fibers of either said first or second layer comprise bicomponent fibers.
9. The composite web of Claim 4, further characterized in that said fibers of either said first or second layer comprise non-round fibers.
10. The composite web of Claim 1, further characterized in that fibers having portions reoriented in a direction substantially orthogonal to said X-Y plane and extending toward said garment-facing side extend through said second precursor web.
11. The composite web of Claim 1, further characterized in that fibers having portions reoriented in a direction substantially orthogonal to said X-Y plane and extending toward said garment-facing side do not extend through said second precursor web.
12. A topsheet for a disposable absorbent article, the topsheet characterized by a first fibrous layer and a second layer, said first and second layers each comprising a body-facing side and a garment-facing side and being disposed in a face to face relationship to form a laminate, said first fibrous layer comprising a fibrous web of randomly oriented fibers with respect to an X-Y plane, and comprising a plurality of discrete regions of fiber reorientation at least on said body-facing side, and comprising a plurality of fibers having portions reoriented in a direction substantially orthogonal to said X-Y plane and extending toward said garment-facing side.
13. An absorbent core for a disposable absorbent article, the absorbent core characterized by a first fibrous layer and a second layer, said first and second layers each comprising a body-facing side and a garment-facing side and being disposed in a face to face relationship to form a laminate, said first fibrous layer comprising a fibrous web of randomly oriented fibers with respect to an X-Y plane, and comprising a plurality of discrete regions of fiber reorientation at least on said body-facing side, and comprising a plurality of fibershaving portions reoriented in a direction substantially orthogonal to said X-Y plane and extending toward said garment-facing side.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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US32466102A | 2002-12-20 | 2002-12-20 | |
US10/324,661 | 2002-12-20 | ||
US43599603A | 2003-05-12 | 2003-05-12 | |
US10/435,996 | 2003-05-12 | ||
US61029903A | 2003-06-30 | 2003-06-30 | |
US10/610,299 | 2003-06-30 | ||
PCT/US2003/040231 WO2004058497A1 (en) | 2002-12-20 | 2003-12-16 | Inverse textured web |
Publications (2)
Publication Number | Publication Date |
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CA2506431A1 true CA2506431A1 (en) | 2004-07-15 |
CA2506431C CA2506431C (en) | 2010-03-09 |
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CA002507166A Expired - Fee Related CA2507166C (en) | 2002-12-20 | 2003-12-16 | Tufted laminate web |
CA002506431A Expired - Fee Related CA2506431C (en) | 2002-12-20 | 2003-12-16 | Inverse textured web |
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Application Number | Title | Priority Date | Filing Date |
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CA002507166A Expired - Fee Related CA2507166C (en) | 2002-12-20 | 2003-12-16 | Tufted laminate web |
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US (3) | US7648752B2 (en) |
EP (3) | EP1572444A1 (en) |
JP (2) | JP4205101B2 (en) |
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WO (2) | WO2004058497A1 (en) |
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- 2003-12-16 MX MXPA05005751A patent/MXPA05005751A/en active IP Right Grant
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- 2003-12-16 EP EP03814117A patent/EP1572444A1/en not_active Withdrawn
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- 2003-12-16 MX MXPA05005748A patent/MXPA05005748A/en active IP Right Grant
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- 2003-12-16 US US10/737,307 patent/US7172801B2/en active Active
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2007
- 2007-01-08 US US11/650,821 patent/US7670665B2/en not_active Expired - Fee Related
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