Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the wordpress-seo domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/html/wp-includes/functions.php on line 6260 Absorbent Article and Method for Manufacturing Same: - Nonwovens Industry

What are you searching for?

Sign in
Patents

Absorbent Article and Method for Manufacturing Same:

U.S. Patent No. 11,771,602

Author Image

By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Syunsuke Sakai, Tochigi, Japan.
Assigned to Daio Paper Corporation, Ehime, Japan.

Filed: 6/22/20
Issued: 10/3/23

An absorbent article having an absorber that absorbs excrement, the absorbent article comprising: an elastic film stretchable structure in which an elastic film is stacked between a first sheet layer and a second sheet layer, wherein a region having the elastic film stretchable structure includes a non-stretchable region and a stretchable region provided at least at one side of the stretchable region in a stretching and contracting direction and being stretchable in the stretching and contracting direction, in the stretchable region, in a state in which the elastic film is stretched in the stretching and contracting direction along surfaces of the first sheet layer and the second sheet layer, an elongation at an elastic limit in the stretching and contracting direction is set to 200% or more by directly or indirectly joining the first sheet layer and the second sheet layer at a large number of sheet bond portions arranged at intervals in each of the stretching and contracting direction and a direction orthogonal thereto, and in the non-stretchable region, in a state in which the elastic film is stretched in the stretching and contracting direction along the surfaces of the first sheet layer and the second sheet layer, an elongation at an elastic limit is set to 130% or less by directly or indirectly joining the first sheet layer and the second sheet layer at a large number of sheet bond portions arranged at intervals in each of the stretching and contracting direction and the direction orthogonal thereto and at least one of by an area rate of the sheet bond portions in the non-stretchable region being higher than that in the stretchable region; the elastic film being melted; and the elastic film being finely divided at least in the stretching and contracting direction, wherein the first sheet layer and the second sheet layer are joined by way of through holes formed in an elastic sheet layer at the sheet bond portions, wherein each individual through hole is wider than each sheet bond portion in a width direction, leaving gaps between an edge of the individual through hole and an edge of the individual sheet bond portion within the through hole.

Add us as a preferred source on Google

Get the latest Nonwovens Industry news, insights and analysis in your Google Search and AI experiences.

Add Nonwovens Industry as a preferred source on Google (opens in a new tab)

Keep Up With Our Content. Subscribe To Nonwovens Industry Newsletters

Topics