Shaped nonwoven

Patent metadata

Field	Value
Publication number	US-11939701-B2
Application number	US-202318182418-A
Country	US
Kind code	B2
Filing date	Mar 13, 2023
Priority date	Jun 30, 2017
Publication date	Mar 26, 2024
Grant date	Mar 26, 2024

Abstract

A nonwoven fabric. The nonwoven fabric can include a first surface and a second surface and a visually discernible pattern of three-dimensional features on one of the first or second surface. Each of the three-dimensional features can define a microzone comprising a first region and a second region. The first and second regions can have a difference in values for an intensive property.

First claim

What is claimed is:

1. A through air bonded nonwoven fabric comprising a first surface, a second surface, and a visually discernible zone of three-dimensional features on one of the first surface or the second surface, each of the three-dimensional features defining a microzone comprising a first region and a second region, wherein the first region is different than the second region, the first and second regions have a difference in values for an intensive property, wherein the intensive property is one or more of:
a. thickness,
b. basis weight, and
c. volumetric density;
wherein the first surface has a first TS7 value, wherein the second surface has a second TS7 value, and wherein the first TS7 value is different than the second TS7 value; and
wherein at least a portion of one or more of the three-dimensional features forms a curvilinear shape.

2. The through air bonded nonwoven fabric of claim 1 , wherein the first TS7 value is in the range of about 3 to about 14 dB V2 rms.

3. The through air bonded nonwoven fabric of claim 2 , wherein the second TS7 value is in the range of about 2 dB V2 rms to about 12 dB V2 rms.

4. The through air bonded nonwoven fabric of claim 3 , wherein the intensive property is thickness, and wherein the thicknesses in the first region and the second region are both greater than zero.

5. The through air bonded nonwoven fabric of claim 3 , wherein the intensive property is basis weight, and the basis weights in the first region and the second region are both greater than zero.

6. The through air bonded nonwoven fabric of claim 3 , wherein the intensive property is volumetric density, and wherein the volumetric densities in the first region and the second region are both greater than zero.

7. The through air bonded nonwoven fabric of claim 1 , wherein a plurality of the microzones of the nonwoven fabric comprise an aperture, wherein at least a portion of the aperture abuts at least one of the first region and the second region, and wherein loose fibers extend into the aperture.

8. The through air bonded nonwoven fabric of claim 7 , wherein the loose fibers extending into the aperture originate in at least one of the abutting first or second regions.

9. A through air bonded nonwoven fabric comprising:
a first surface, a second surface, and a visually discernible zone of three-dimensional features on one of the first surface or the second surface, each of the three-dimensional features defining a microzone comprising a first region and a second region, wherein the first region is different than the second region, the first and second regions having a difference in values for an intensive property;
wherein the first surface has a first TS7 value, wherein the second surface has a second TS7 value, and wherein the first TS7 value is different than the second TS7 value; and
wherein at least a portion of one or more of the three-dimensional features forms a curvilinear shape.

10. The through air bonded nonwoven fabric of claim 9 , wherein the difference in a value for the intensive property in the first region is an order of magnitude different than a value for the intensive property in the second region.

11. The through air bonded nonwoven fabric of claim 10 , wherein the intensive property is thickness, and wherein the thicknesses of the first region and the second region are both greater than zero.

12. The through air bonded nonwoven fabric of claim 10 , wherein the intensive property is basis weight, and wherein the basis weights of the first region and the second region are both greater than zero.

13. The through air bonded nonwoven fabric of claim 10 , wherein the intensive property is volumetric density, and wherein the volumetric densities of the first region and the second region are both greater than zero.

14. The through air bonded nonwoven fabric of claim 9 , wherein a plurality of the microzones of the nonwoven fabric comprise an aperture, wherein at least a portion of the aperture abuts at least one of the first region and the second region, and wherein loose fibers extend into the aperture.

15. The through air bonded nonwoven fabric of claim 14 , wherein the loose fibers extending into the aperture originate in at least one of the abutting first or second regions.

16. The through air bonded nonwoven fabric of claim 9 , comprising a second zone having a pattern of three-dimensional features that each define a microzone comprising a first region and a second region.

17. The through air bonded nonwoven fabric of claim 9 , wherein the first TS7 value is in the range of about 3 to about 14 dB V2 rms.

18. The through air bonded nonwoven fabric of claim 17 , wherein the second TS7 value is in the range of about 2 dB V2 rms to about 12 dB V2 rms.

19. A through air bonded nonwoven fabric comprising a first surface, a second surface, and a visually discernible zone of three-dimensional features, each of the three-dimensional features defining a microzone comprising a first region and a second region, wherein the first region is different than the second region, the first and second regions having a difference in values for an intensive property, wherein the intensive property is one or more of:
a. thickness,
b. basis weight, and
c. volumetric density;
wherein the first surface has a first TS7 value of about 3 to about 14 dB V2 rms, wherein the second surface has a second TS7 value in the range of about 2 dB V2 rms to about 12 dB V2 rms, and wherein the first TS7 value is different than the second TS7 value; and
wherein at least a portion of one or more of the three-dimensional features forms a curvilinear shape.

20. The through air bonded nonwoven fabric of claim 19 , wherein the intensive property is basis weight, and wherein the basis weights of the first region and the second region are both greater than zero.

Assignees

• Procter & Gamble

Inventors

• Ashraf Arman
• Arora Kelyn Anne
• Weisman Paul Thomas
• Whitely Nathan Ray

Classifications

• D01D5/0985 Primary

  by means of a flowing gas (e.g. melt-blowing) · CPC title

• A61F13/15252

  compostable or biodegradable · CPC title

• A61F13/15658

  Forming continuous, e.g. composite, fibrous webs, e.g. involving the application of pulverulent material on parts thereof · CPC title

• A61F13/4902

  characterised by the elastic material · CPC title

• A61F13/51104

  the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections · CPC title