Patent 7761964 was granted and assigned to Groz-Beckert on July, 2010 by the United States Patent and Trademark Office.
A structuring needle for treating a fiber web by repeatedly penetrating thereinto, includes a shank, a working-part tip constituting an end of the shank and a multi-branch recess formed in the working-part tip. The multi-branch recess is composed of a plurality of generally groove-shaped branches. At least some of the branches are oriented to one another at an angle other than 180°.