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 Fine Hollow Fibers Having a High Void Fraction: - Nonwovens Industry

What are you searching for?

Sign in
Patents

Fine Hollow Fibers Having a High Void Fraction:

U.S. Patent No. 12,377,001

Author Image

By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Eric E. Lennon, Roswell, GA; John H. Conrad, Alpharetta, GA; Douglas J. Hulslander, Stone Mountain, GA; and David W. Hall, Alpharetta, GA.
Assigned to Kimberly-Clark Worldwide, Inc., Neenah, WI.

Filed: 12/14/21
Issued: 8/5/25

A spinneret for forming a hollow fiber, the spinneret containing a spin plate that defines a plurality of capillaries having one or more spaced apart slots, wherein at least a portion of the one or more spaced apart slots have a width and length such that the ratio of the length to the width is greater than 5, the width of the one or more spaced apart slots being from 0.08 to 0.2 millimeters, wherein the one or more spaced apart slots further have an outer diameter that is defined as a distance between outer edges of the one or more spaced apart slots, the outer diameter being greater than 0.6 millimeters, wherein the one or more spaced apart slots occupy a total open area of from 0.10 to 0.40 square millimeters, and wherein the one or more spaced apart slots have an end distance between the one or more spaced apart slots of from 0.18 to 0.5 millimeters, the end distance between the one or more spaced apart slots being measured from a top surface of each of the one or more spaced apart slots.

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