TUFTED FIBROUS WEB

• US 20140170367A1
• Filed: 02/21/2014
• Published: 06/19/2014
• Est. Priority Date: 12/20/2002
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Turner, Robert Haines, Curro, John Joseph, Hoying, Jody Lynn, Lloyd, Susan Nicole, Hammons, John Lee
• Granted Patent: US 9,694,556 B2
• Time in Patent Office: Days
• US Class Current: 428/91
• CPC Class Codes: A44B 18/0011 Female or loop elements A44B18/0007 takes precedence
• CPC Class Codes: A47K 2010/3266 Wet wipes
• CPC Class Codes: A61F 13/15707 Mechanical treatment, e.g. notching, twisting, compressing, shaping
• CPC Class Codes: A61F 13/2068 Tampons made from several layers A61F13/2065, A61F13/206 take precedence
• CPC Class Codes: A61F 13/472 specially adapted for female use A61F13/474, A61F13/475, A61F13/476 take precedence
• CPC Class Codes: A61F 13/512 characterised by its apertures, e.g. perforations
• CPC Class Codes: A61F 2013/51007 characterized by the orientation of fibres
• CPC Class Codes: A61F 2013/51178 with the combination of nonwoven webs
• CPC Class Codes: A61F 2013/51344 with pile webs or velvet-like tissues
• CPC Class Codes: A61F 2013/51355 for improving fluid flow
• CPC Class Codes: A61F 2013/51383 being adapted for female properties
• CPC Class Codes: B01D 2239/0604 Arrangement of the fibres in the filtering material
• CPC Class Codes: B01D 39/1615 of natural origin
• CPC Class Codes: B01D 39/1623 of synthetic origin
• CPC Class Codes: B32B 27/08 of synthetic resin
• CPC Class Codes: B32B 27/32 comprising polyolefins comprising vinyl (co)polymers or acrylic (co)polymers B32B27/30
• CPC Class Codes: B32B 27/36 comprising polyesters
• CPC Class Codes: B32B 3/28 characterised by a layer comprising a deformed thin sheet , i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled B32B29/08 takes precedence
• CPC Class Codes: B32B 5/022 Non-woven fabric
• CPC Class Codes: B32B 5/12 characterised by the relative arrangement of fibres or filaments of different layers, e.g. the fibres or filaments being parallel or perpendicular to each other
• CPC Class Codes: B32B 5/26 : another layer next to it also being fibrous or filamentary relative arrangement of fibres or filaments of different layers B32B5/12
• CPC Class Codes: B32B 7/02 : Physical, chemical or physicochemical properties
• CPC Class Codes: D04H 11/08 : formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g. by needling, by differential shrinking needling machines D04H18/00
• CPC Class Codes: Y10T 428/23914 : Interlaminar
• CPC Class Codes: Y10T 428/23929 : Edge feature or configured or discontinuous surface
• CPC Class Codes: Y10T 428/23936 : Differential pile length or surface
• CPC Class Codes: Y10T 428/2395 : Nap type surface
• CPC Class Codes: Y10T 428/23957 : Particular shape or structure of pile
• CPC Class Codes: Y10T 428/24289 : Embedded or interlocked
• CPC Class Codes: Y10T 428/24322 : Composite web or sheet
• CPC Class Codes: Y10T 428/24339 : Keyed
• CPC Class Codes: Y10T 428/24479 : including variation in thickness
• CPC Class Codes: Y10T 428/24612 : Composite web or sheet
• CPC Class Codes: Y10T 428/24636 : Embodying mechanically interengaged strand[s], strand-portion[s] or strand-like strip[s] [e.g., weave, knit, etc.]
• CPC Class Codes: Y10T 442/611 : Cross-sectional configuration of strand or fiber material is other than circular
• CPC Class Codes: Y10T 442/637 : Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
• CPC Class Codes: Y10T 442/681 : Spun-bonded nonwoven fabric

Abstract

Disclosed is a fibrous web having a first region and at least one discrete integral second region, the second region having at least one portion being a discontinuity exhibiting a linear orientation and defining a longitudinal axis, and at least another portion being a deformation having a plurality of tufted fibers integral with but extending from the first region.

Claims

1. A multilayer web comprising:

a. a first nonwoven;

b. a second nonwoven; and

c. a plurality of fiber tufts extending from a surface of one of the first nonwoven and the second nonwoven, the plurality of fibers tufts comprising fibers from at least one of the first nonwoven and the second nonwoven;

d. wherein the difference between the first nonwoven and the second nonwoven is their fiber composition.

2. The multilayer web of claim 1, wherein the first nonwoven comprises relatively hydrophobic fibers and the second nonwoven comprises relatively hydrophilic fibers.

3. The multilayer web of claim 1, wherein the first nonwoven comprises substantially continuous fibers and the second nonwoven comprises staple fibers.

4. The multilayer web of claim 1, wherein the first nonwoven comprises polyethylene fibers and the second nonwoven comprises polyester fibers.

5. The multilayer web of claim 1, wherein at least one of the first nonwoven and the second nonwoven comprises cellulose, rayon, and/or cotton fibers.

6. The multilayer web of claim 1, wherein at least one of the first nonwoven and the second nonwoven comprises splittable fibers.

7. The multilayer web of claim 1, wherein at least one of the first nonwoven and the second nonwoven comprises nanofibers.

8. The multilayer web of claim 1, wherein at least one of the first nonwoven and the second nonwoven comprises non-round fibers.

9. The multilayer web of claim 1, wherein the first nonwoven comprises bicomponent fibers and the second nonwoven comprises monocomponent fibers.

21. A personal hygiene product comprising the multilayer web of claim 1, wherein the personal hygiene product has a body facing side and wherein the plurality of fiber tufts extend in a direction opposite to the body facing side.

22. The personal hygiene product of claim 21, wherein the multilayer web at least partially forms a topsheet or secondary topsheet of the personal hygiene product.

25. A personal hygiene product comprising the multilayer web of claim 1, wherein the first nonwoven forms a body facing side of the personal hygiene product.

26. A personal hygiene product comprising the multilayer web of claim 1, wherein the second nonwoven forms a body facing side of the personal hygiene product.

10. A multilayer web comprising:

a. a first nonwoven;

b. a second nonwoven that is different from the first nonwoven;

c. a plurality of fiber tufts extending from a surface of one of the first nonwoven and the second nonwoven;

d. wherein the difference between the first nonwoven and the second nonwoven is their construction.

11. The multilayer web of claim 10, wherein the first nonwoven is a spunbond nonwoven and the second nonwoven is a thermal bonded, carded nonwoven.

12. The multilayer web of claim 10, wherein the spunbond nonwoven comprises side-by-side configured bicomponent fibers.

13. The multilayer web of claim 10, wherein the first nonwoven is a hydroentangled nonwoven.

14. The multilayer web of claim 10, wherein the first nonwoven is a spunlaced nonwoven.

15. The multilayer web of claim 10, wherein the plurality of fiber tufts comprises looped fibers.

23. A personal hygiene product comprising the multilayer web of claim 10, wherein the personal hygiene product has a body facing side and wherein the plurality of fiber tufts extend in a direction opposite to the body facing side.

24. The personal hygiene product of claim 23, wherein the multilayer web at least partially forms a topsheet or secondary topsheet of the personal hygiene product.

27. A personal hygiene product comprising the multilayer web of claim 10, wherein the first nonwoven forms a body facing side of the personal hygiene product.

28. A personal hygiene product comprising the multilayer web of claim 10, wherein the second nonwoven forms a body facing side of the personal hygiene product.

16. A multilayer web comprising:

a. a spunbond nonwoven;

b. a carded nonwoven disposed adjacent to the spunbond nonwoven; and

c. a plurality of fiber tufts extending from a surface of the spunbond nonwoven;

d. wherein the plurality of fiber tufts comprises looped spunbond fibers that integral with and extending from the spunbond nonwoven.

17. The multilayer web of claim 16, wherein the spunbond nonwoven comprises polyethylene/polypropylene bicomponent fibers.

18. The multilayer web of claim 16, wherein the spunbond nonwoven comprises side-by-side configured bicomponent fibers.

19. The multilayer web of claim 16, wherein the carded nonwoven comprises polyester staple fibers.

20. The multilayer web of claim 19, wherein the carded nonwoven further comprises co-polyester fibers.