Absorbent article demonstrating controlled deformation and longitudinal fluid distribution

• US 9,968,496 B2
• Filed: 03/12/2015
• Issued: 05/15/2018
• Est. Priority Date: 09/30/2014
• Status: Active Grant

• Current Assignee: Johnson & Johnson Consumer Inc. (Johnson & Johnson)
• Original Assignee: Johnson & Johnson Consumer Inc. (Johnson & Johnson)
• Inventors: Barbosa, Livea Fujita, Rezende, Felipe Boni, Rosenfeld, Leonard
• Primary Examiner(s): Stephens, Jacqueline
• Application Number:
  US14/656,111
• Publication Number:
  US 20160089282A1
• Time in Patent Office: 1,160 Days
• Field of Search: 604385101, 604378, 604379, 604380
• CPC Class Codes: A61F 13/47218 with a raised crotch region, e.g. hump
• CPC Class Codes: A61F 13/4756 the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
• CPC Class Codes: A61F 13/51104 the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
• CPC Class Codes: A61F 13/51108 the top sheet having corrugations or embossments having one axis relatively longer than the other axis, e.g. forming channels or grooves in a longitudinal direction
• CPC Class Codes: A61F 13/533 having discontinuous areas of compression
• CPC Class Codes: A61F 13/536 having discontinuous areas of compression
• CPC Class Codes: A61F 2013/51078 being embossed

Abstract

The present invention generally relates to absorbent articles and in particular to a absorbent articles demonstrating controlled deformation and enhanced fluid wicking in the longitudinal direction of the absorbent articles.

Claims

1. An absorbent article having a transversely extending centerline and a longitudinally extending centerline and a body facing surface, the body facing surface comprising;

a. a central region having;

i. first transverse side parallel to the transversely extending centerline;

ii. a second transverse side parallel to the transversely extending centerline and opposite the first transverse side in the direction of the longitudinally extending centerline; and

iii. a central region embossing pattern of channels extending about and directionally along in both directions of the longitudinally extending centerline between and, up to, respectively, the first and second transverse sides of the central region;

b. a first longitudinal end region extending from the first transverse side of the central region directionally along the longitudinally extending centerline away from the central region;

c. a second longitudinal end region extending from the second transverse side of the central region directionally along the longitudinally extending centerline and away from the of the central region;

d. a central longitudinal zone extending longitudinally across the first and the second longitudinal end regions and the central region, the central longitudinal zone defining a central longitudinal zone width W of from about 5 mm to about 20 mm and wherein the central region embossing pattern of channels is located within the central longitudinal zone;

e. a first plurality of channels within the first longitudinal end region wherein at least one of the channels of the first plurality of channels extends along the longitudinally extending centerline directionally from the first transverse side across from about 50% to about 90% of the first longitudinal end region and is contained within the central longitudinal zone;

f. a second plurality of channels within the second longitudinal end region wherein at least one the channels of the second plurality of channels extends along the longitudinally extending centerline directionally from the second transverse side across from about 50% to about 90% of the second longitudinal end region and is contained within the central longitudinal zone;

wherein the central region embossing pattern is located longitudinally between and interconnected in fluid communication with the first and second plurality of channels;

g. at least one pair of outer channels located outside of the central longitudinal zone, each outer channel of the pair of outer channels extending, independently, across at least a portion of the central region in the longitudinal direction such that one outer channel extends longitudinally on one side of the longitudinally extending center line and the other outer channel extends longitudinally on the opposite side of the longitudinally extending center line, each outer channel spaced, independently, from about 5 mm to about 26 mm from the nearest central longitudinal zone edge.

2. The absorbent article of claim 1, wherein the at least one channel of the first plurality of channels extends directionally along or about a longitudinally extending centerline across from about 65% to about 90% of the first longitudinal end region and is contained within the central longitudinal zone.

3. The absorbent article of claim 1, wherein the at least one channel of the second plurality of channels extends directionally along or about a longitudinally extending centerline across from about 65% to about 90% of the second longitudinal end region and is contained within the central longitudinal zone.

4. The absorbent article of claim 1, wherein the at least one channel of the first plurality of channels extends directionally along the longitudinally extending centerline across from about 65% to about 90% of the first longitudinal end region and is contained within the central longitudinal zone and the at least one channel of the second plurality of channels extends directionally along the longitudinally extending centerline across from about 65% to about 90% of the second longitudinal end region and is contained within the central longitudinal zone.

5. The absorbent article of claim 1, wherein all channels of the first plurality of channels are interconnected to each other.

6. The absorbent article of claim 1, wherein all channels of the second plurality of channels are interconnected to each other.

7. The absorbent article of claim 1 wherein the central region embossing pattern comprises multiple channels and said multiple channels are all interconnected.

8. The absorbent article of claim 1, wherein at least one channel of each of the first and second plurality of channels, is located within the central longitudinal zone and does not extend beyond the central longitudinal zone width W.

9. The absorbent article of claim 1, wherein the central longitudinal zone width W is from about 10 mm to about 18 mm.

10. The absorbent article of claim 1, wherein each outer channel of the pair of outer channels is, independently, spaced from about 10 mm to about 20 mm from the nearest central longitudinal zone edge.

11. The absorbent article of claim 1, wherein each outer channel of the pair of outer channels extends such that one outer channel connects with the other outer channel to unite their respective ends in fluid communication and forms an outer embossing pattern surrounding or substantially surrounding the central region embossing pattern of channels and the first and second plurality of channels.