Patent ID: 9138937
Filing Date: 2015-09-22
Classification: A61F,B29C,B29L

Abstract:
1. A hygiene article, incontinence diaper or incontinence pad, the article having a longitudinal direction and a transverse direction perpendicular to the longitudinal direction as well as a central axis extending in the longitudinal direction, the article comprising: a nonwoven fabric or film component; at least one cuff element, with a nonwoven fabric component, on a left and right side of the hygiene article forming a left and right upstanding leakage barrier and extending substantially in the longitudinal direction of the article; and discrete ultrasonic welding points disposed in a joining pattern, said ultrasonic welding points disposed, structured and dimensioned to attach said cuff element to said nonwoven fabric or film component, wherein an extension of said joining pattern in the longitudinal direction exceeds an extension of said joining pattern in the transverse direction, said joining pattern having a central portion travelling substantially in the longitudinal direction of the article as well as rear and front end portions, said rear and front end portions curving inwardly towards the central axis of the article along an endwards directed extension of said joining pattern, wherein an index of variation of said joining pattern is no more than 40%, an area seized by said ultrasonic welding points having a density within said joining pattern which decreases in said rear and front end portions along said endwards directed and inwardly curved extension of said joining pattern.