US 12,433,798 B2
Elastic nappy element
Christoph Willing, Vreden (DE); Paul Waller, Rosenheim (DE); and Michael Scherer, Flintsbach im Inn (DE)
Assigned to RKW SE, Mannheim (DE)
Appl. No. 17/285,647
Filed by RKW SE, Mannheim (DE)
PCT Filed Aug. 22, 2019, PCT No. PCT/DE2019/100754
§ 371(c)(1), (2) Date Apr. 15, 2021,
PCT Pub. No. WO2020/108679, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 102018130054.9 (DE), filed on Nov. 28, 2018.
Prior Publication US 2021/0393445 A1, Dec. 23, 2021
Int. Cl. A61F 13/15 (2006.01); A61F 13/49 (2006.01); A61F 13/539 (2006.01)
CPC A61F 13/15699 (2013.01) [A61F 13/49012 (2013.01); A61F 13/49015 (2013.01); A61F 13/4902 (2013.01); A61F 13/539 (2013.01); A61F 2013/15861 (2013.01); A61F 2013/15951 (2013.01); A61F 2013/15967 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An elastic diaper element, comprising:
an elastic layer (1);
outer layers (2, 3) of nonwoven; and
connecting regions (4, 8) that connect the outer layers (2, 3) to the elastic layer (1), the connecting regions (4, 8) comprise zones (7, 9) that include a form-fitting composite of nonwoven material of the outer layers (2, 3) and solidified material of the elastic layer (1) that is located only at regions of boundaries (5) between the outer layers (2, 3) and the elastic layer (1) and the solidified material that forms the connecting regions does not extend through the elastic layer (1);
wherein the connecting regions (4, 8) are less than 90% of an overall surface and more than 20% of the overall surface.