Fastening system

• US 8,388,596 B2
• Filed: 01/20/2011
• Issued: 03/05/2013
• Est. Priority Date: 02/24/2006
• Status: Active Grant

• Current Assignee: The Procter & Gamble Company
• Original Assignee: The Procter & Gamble Company
• Inventors: Horn, Thomas Alexander, Kline, Mark James, Masuda, Kazuhiko, Morimoto, Hisashi
• Primary Examiner(s): Thanh, Loan
• Assistant Examiner(s): HAIRELL, AUNDRIA C
• Application Number:
  US13/009,879
• Publication Number:
  US 20110137279A1
• Time in Patent Office: 775 Days
• Field of Search: 244/42, 244/44, 428/100, 604/391
• US Class Current: 604/391
• CPC Class Codes: A44B 18/0003 Fastener constructions A44B18/0023, A44B18/0046 take precedence
• CPC Class Codes: A44B 18/0046 Fasteners made integrally of plastics
• CPC Class Codes: A44B 18/0073 Attaching means
• CPC Class Codes: A44B 18/008 Hooks or loops provided with means to reinforce the attachment, e.g. by adhesive means tab fastener elements for absorbent pads combining adhesive and mechanical fastening A61F13/581
• CPC Class Codes: A61F 13/62 Mechanical fastening means, A61F13/5611, A61F13/5616, A61F13/581, A61F13/66 take precedence; Fabric strip fastener elements, e.g. hook and loop
• CPC Class Codes: A61F 13/622 Fabric strip fastener elements, e.g. hook and loop
• CPC Class Codes: A61F 13/627 characterised by the loop
• CPC Class Codes: Y10T 24/27 including readily dissociable fastener having numerous, protruding, unitary filaments randomly interlocking with, and simultaneously moving towards, mating structure [e.g., hook-loop type fastener]
• CPC Class Codes: Y10T 24/2725 with feature facilitating, enhancing, or causing attachment of filament mounting surface to support therefor
• CPC Class Codes: Y10T 24/275 with feature facilitating or causing attachment of filaments to mounting surface
• CPC Class Codes: Y10T 428/24017 Hook or barb

Abstract

A mechanical fastening system having an engaging component and a receiving component. The receiving component has a first bond line, a second bond line, a bond zone, and a plurality of consecutive sweep regions. The second bond line is disposed adjacent to the first bond line such that a portion of the second bond line overlaps a portion of the first bond line. The bond zone circumscribes the first bond line and the second bond line. The plurality of consecutive sweep regions are disposed within the bond zone. At least one sweep region includes a portion of both the first bond line and the second bond line, and the remaining sweep regions include at least a portion of the first or the second bond lines. The receiving component has a bond ratio greater than or equal to about 1 and less than or equal to about 20.

Claims

1. A disposable absorbent article for wearing about the lower torso of a wearer, the disposable absorbent article comprising:

a first waist region;

a second waist region;

a crotch region disposed between the first and second waist regions;

a first waist edge;

a second waist edge;

a first longitudinal edge;

a second longitudinal edge;

a topsheet;

a backsheet joined to at least a portion of the topsheet; and

a fastening system comprising;

an engaging component disposed on a side panel extending outboard from the first longitudinal edge of the disposable absorbent article in the first waist region; and

a receiving component disposed on an outer surface of the disposable absorbent article, the receiving component having a longitudinal axis and a lateral axis, the receiving component comprising;

a first bond line and a second bond line extending in a first direction, the second bond line being disposed adjacent to the first bond line such that a portion of the second bond line overlaps a portion of the first bond line, wherein the overlap is generally parallel to a second direction, and wherein the first direction is generally perpendicular to the second direction;

a bond zone circumscribing the first bond line and the second bond line; and

a plurality of consecutive sweep regions disposed within the bond zone, each sweep region comprising a length and a width, wherein the lengths of the sweep regions are equal and are generally parallel to the longitudinal axis, wherein the lengths of the sweep regions are greater than or equal to about 0.1 mm and less than or equal to about 1.2 mm, wherein the widths of the sweep regions are equal and are generally parallel to the lateral axis, wherein each sweep region comprises at least a portion of the first bond line, the second bond line, or both the first bond line and the second bond line, wherein at least one sweep region comprises a portion of both the first bond line and the second bond line, wherein each sweep region has a bonded area, and wherein the receiving component has a bond ratio between two sweep regions which is greater than or equal to about 1 and less than about 20;

wherein the engaging component is configured to be joined to the receiving component to join the first waist region and the second waist region.

2. The disposable absorbent article of claim 1, wherein the first direction is generally parallel to the longitudinal axis of the receiving component.

3. The disposable absorbent article of claim 1, wherein the first direction is generally parallel to the lateral axis of the receiving component.

4. The disposable absorbent article of claim 1, wherein the bond ratio is greater than or equal to about 1.0 and less than about 10.

5. The disposable absorbent article of claim 1, wherein the bond ratio is greater than or equal to about 1.0 and less than about 3.

6. The disposable absorbent article of claim 1, comprising a nonwoven web comprising at least one layer of fibers.

7. The disposable absorbent article of claim 1, wherein the plurality of sweep regions each have a leading edge and a trailing edge, wherein the leading edge and the trailing edge are generally parallel to the first direction, and wherein an intersection of a bond line with the trailing edge creates an angle which is greater than or equal to about 45 degrees.

8. The disposable absorbent article of claim 7, wherein the angle is greater than or equal to about 65 degrees.

9. The disposable absorbent article of claim 7, wherein the angle is greater than or equal to about 75 degrees.

10. The disposable absorbent article of claim 1, wherein the receiving component has an overall bonded area which is less than or equal to about 40%.

11. The disposable absorbent article of claim 10, wherein the bonded area in any sweep region is less than about 60%.

12. The disposable absorbent article of claim 10, wherein the overall bonded area is less than about 30% and the bonded area in any sweep region is less than about 50%.

13. The disposable absorbent article of claim 10, wherein the overall bonded area is between about 20% to about 30% and the bonded area in any sweep region is less than about 40%.

14. A disposable absorbent article comprising:

a mechanical fastening system comprising;

an engaging component comprising a plurality of engaging elements; and

a receiving component having a longitudinal axis and a lateral axis, wherein the plurality of engaging elements are configured to engage the receiving component, the receiving component comprising;

a first bond line and a second bond line generally extending in a first direction, wherein the second bond line is disposed adjacent to the first bond line such that a portion of the second bond line overlaps a portion of the first bond line, wherein the overlap is generally parallel to a second direction, and wherein the first direction is generally perpendicular to the second direction;

a bond zone circumscribing the first bond line and the second bond line; and

a plurality of consecutive sweep regions disposed within the bond zone, each sweep region extending in a direction generally parallel to the longitudinal axis and comprising a length and a width, wherein the lengths of the sweep regions are equal, wherein the widths of the sweep regions are equal,

wherein at least one sweep region comprises a portion of both the first bond line and the second bond line, wherein the remaining sweep regions comprise at least a portion of the first bond line or at least a portion of the second bond line, wherein each sweep region comprises a bonded area, and wherein the receiving component has an overall bonded area which is less than or equal to about 40%, and wherein the bonded area in any sweep region is less than about 60%.

15. The disposable absorbent article of claim 14, wherein the overall bonded area is less than about 30% and the bonded area in any sweep region is less than about 50%.

16. The disposable absorbent article of claim 14, wherein the overall bonded area is between about 20% to about 30% and the bonded area in any sweep region is less than about 40%.

17. The disposable absorbent article of claim 14, comprising:

a topsheet, a backsheet joined to at least a portion of the topsheet, and an absorbent core disposed intermediate the topsheet and the backsheet.

18. The disposable absorbent article of claim 14, comprising:

a first waist region, a second waist region, a crotch region disposed between the first and second waist regions, a first waist edge, a second waist edge, a first longitudinal edge, and a second longitudinal edge, wherein the engaging component is disposed on a side panel extending outboard from the first longitudinal edge of the disposable absorbent article in the first waist region.

19. The disposable absorbent article of claim 18, wherein the receiving component is disposed on an outer surface of the disposable absorbent article.

20. A disposable absorbent article comprising:

a first waist region;

a second waist region; and

a fastening system comprising;

an engaging component; and

a receiving component disposed on an outer surface of the disposable absorbent article, the receiving component having a longitudinal axis and a lateral axis, the receiving component comprising;

a first bond line and a second bond line extending in a first direction, the second bond line being disposed adjacent to the first bond line such that a portion of the second bond line overlaps a portion of the first bond line, wherein the overlap is generally parallel to a second direction, and wherein the first direction is generally perpendicular to the second direction;

a bond zone circumscribing the first bond line and the second bond line; and

a plurality of consecutive sweep regions disposed within the bond zone, each sweep region comprising a length and a width, wherein the lengths of the sweep regions are equal and are generally parallel to the longitudinal axis, wherein the lengths of the sweep regions are greater than or equal to about 0.1 mm and less than or equal to about 1.2 mm, wherein the widths of the sweep regions are equal and are generally parallel to the lateral axis, wherein each sweep region comprises at least a portion of the first bond line, a portion of the second bond line, or a portion of both the first bond line and the second bond line, wherein at least one sweep region comprises a portion of both the first bond line and the second bond line, and wherein the receiving component has a bond ratio between two sweep regions which is greater than or equal to about 1 and less than about 20;

wherein the engaging component is configured to be joined to the receiving component to join a portion of the first waist region to a portion of the second waist region.

21. The disposable absorbent article of claim 20, wherein the bond ratio is greater than or equal to about 1.0 and less than about 10.

22. The disposable absorbent article of claim 20, wherein the bond ratio is greater than or equal to about 1.0 and less than about 3.

23. The disposable absorbent article of claim 20, comprising a nonwoven web comprising at least a layer of fibers.

24. The disposable absorbent article of claim 20, wherein the plurality of sweep regions each have a leading edge and a trailing edge, wherein the leading edge and the trailing edge are generally parallel to the first direction, and wherein an intersection of a bond line with the trailing edge creates an angle which is greater than or equal to about 45 degrees.

25. The disposable absorbent article of claim 20, wherein a bonded area in any sweep region is less than about 60%.

26. The disposable absorbent article of claim 20, wherein the receiving component has an overall bonded area less than about 30% and a bonded area in any sweep region is less than about 50%.

27. The disposable absorbent article of claim 20, wherein the receiving component has an overall bonded area between about 20% to about 30% and a bonded area in any sweep region is less than about 40%.