Non-stretch bonded strand and film elastics
AssigneeKimberly-Clark Worldwide, Inc.
InventorsDavis Dang H. Nhan, WanDuk Lee, Peiguang Zhou
Life of this patent
Estimating the term…
Abstract
A laminate includes a core structure having a first surface and a second surface, the core structure including an elastic core layer and a plastic core layer, wherein the elastic core layer is one of a film, a plurality of strands, and a plurality of strips, and wherein the plastic core layer is one of a film layer, a plurality of strands, and a plurality of strips, the plastic core structure reinforcing the core layer in the machine direction, and a nonwoven first facing layer affixed to the first surface.
Claims10
A method for producing a composite nonwoven elastic web comprising an elastic web joined to a fibrous nonwoven web, the method comprising:
- providing an elastic web comprising a core structure having an elastic core layer and a plastic core layer, wherein the plastic core layer comprises a film, wherein the elastic web has a first surface and a second surface;
- stretching the elastic web to less than 100 percent stretch to provide a stretched elastic web;
- affixing a first fibrous nonwoven web to the first surface of the stretched elastic web to form a composite nonwoven elastic web;
- relaxing the composite nonwoven elastic web;
- and
- activating the composite nonwoven elastic web to fracture the first fibrous nonwoven web while maintaining the continuity of the plastic core layer.
Dependencies are inferred from the claim text.