Elastomeric laminate with activation thickness

Patent metadata

Field	Value
Publication number	US-10137674-B2
Application number	US-201615131275-A
Country	US
Kind code	B2
Filing date	Apr 18, 2016
Priority date	Apr 18, 2016
Publication date	Nov 27, 2018
Grant date	Nov 27, 2018

Abstract

A method for forming an elastomeric laminate includes the steps of providing a first coverstock material; SELF'ing the first coverstock material to create a pre-SELFed coverstock layer having a primary activation pattern comprising SELF-specific land areas; providing an elastomeric layer; and joining the elastomeric layer to the pre-SELFed layer at zero relative strain, such that the elastomeric layer and pre-SELFed coverstock layer are joined at one or more bonding sites.

First claim

What is claimed is:

1. A method for forming an elastomeric laminate comprising the steps of:
providing a first coverstock material;
SELF'ing the first coverstock material to create a pre-SELFed coverstock layer having a primary activation pattern comprising SELF-specific land areas and deformed areas;
providing an elastomeric layer; and
joining the elastomeric layer at zero strain to the pre-SELFed layer in a relaxed state wherein the deformed areas exist, such that the elastomeric layer and pre-SELFed coverstock layer are joined at one or more bonding sites.

2. The method of claim 1 further comprising the steps of providing a second coverstock material; activating the second coverstock material to create a second pre-activated coverstock layer having a secondary activation pattern; and joining the second pre-activated coverstock layer to the elastomeric layer and/or to the pre-SELFed coverstock layer.

3. The method of claim 2 wherein activating the second coverstock material further comprises SELF'ing the second coverstock material.

4. The method of claim 2 further comprising offsetting the primary and secondary activation patterns.

5. The method of claim 1 wherein the joining step is achieved by one of adhesive, thermal bonding, and/or mechanical bonding.

6. The method of claim 1 wherein the joining step further comprises uniformly bonding the elastomeric layer to the pre-SELFed coverstock layer.

7. The method of claim 1 further comprising the step of aligning the one or more bonding sites with the primary activation pattern.

8. The method of claim 1 wherein the joining step further comprises non-uniformly bonding the elastomeric layer to the pre-SELFed coverstock material.

9. The method of claim 1 wherein the SELF'ing step further comprises SELF'ing the first coverstock material with a uniform SELF pattern.

10. The method of claim 1 wherein the SELF'ing step further comprises SELF'ing the first coverstock material with a nonuniform SELF pattern.

11. A method for forming an elastomeric laminate comprising the steps of:
providing a first coverstock material;
SELF'ing the first coverstock material to create a pre-SELFed coverstock layer having a primary activation pattern comprising SELF-specific land areas;
providing an elastomeric layer;
elongating one of the elastomeric layer and the pre-SELFed layer to form a strained layer such that strained layer comprises a greater strain than the other of elastomeric layer and the pre-SELFed layer; and
joining the elastomeric layer to the pre-SELFed layer, such that the elastomeric layer and pre-SELFed coverstock layer are joined at one or more bonding sites and form a gathered laminate.

12. The method of claim 11 wherein the strained layer comprises the elastomeric layer.

13. The method of claim 11 wherein the strained layer comprises the pre-SELFed coverstock layer.

14. The method of claim 11 further comprising the steps of providing a second coverstock material; activating the second coverstock material to create a second pre-activated coverstock layer having a secondary activation pattern; and joining the pre-activated second coverstock layer to the elastomeric layer and/or to the pre-SELFed coverstock layer.

15. The method of claim 14 wherein activating the second coverstock material further comprises SELF'ing the second coverstock material.

16. The method of claim 11 wherein the joining step further comprises uniformly bonding the elastomeric layer to the pre-SELFed coverstock layer.

17. The method of claim 11 further comprising the step of aligning the one or more bonding sites with the primary activation pattern.

18. The method of claim 11 wherein the joining step further comprises non-uniformly bonding the elastomeric layer to the pre-SELFed coverstock material.

19. The method of claim 11 wherein the SELF'ing step further comprises SELF'ing the first coverstock material with a uniform SELF pattern.

20. The method of claim 11 wherein the SELF'ing step further comprises SELF'ing the coverstock material with a nonuniform SELF pattern.

Assignees

• Procter & Gamble

Inventors

• Kline Mark James
• Hippe Matthias Konrad
• Liebe Tina
• Orr Jill Marlene

Classifications

• B32B2309/16

  Tension · CPC title

• B32B2305/20

  in the form of a non-woven mat · CPC title

• B32B37/0076

  characterised in that the layers are not bonded on the totality of their surfaces · CPC title

• B32B38/1875

  Tensioning · CPC title

• B32B37/12 Primary

  characterised by using adhesives · CPC title