US Patent No.: 8,663,183 B2
Inventor(s): Blanca Arizti, Frankfurt am Main, Germany; Ekaterina Anatolyevna Ponomarenko, Bad Soden, Germany; Gemma Baquer Molas, Schwalbach, Germany; Simone Seeboth, Schwalbach, Germany; David James Dahlinger, Mason, OH, US; David Richard Tucker, Mason, OH, US; and Don Randell Greer, Lockland, OH, US.
Company: The Procter & Gamble Company, Cincinnati, OH, US.
Filed: 12/26/06
Issued: 3/4/14

A disposable absorbent article comprising a backsheet and an absorbent core and a topsheet, that in use faces the wearer, a crotch region between first and second waist regions, elastic side panels joined to one of said first and second waist regions, a pair of leg cuffs, and a pair of barrier cuffs situated laterally inwardly of the leg cuffs, each of said leg cuffs and said barrier cuffs comprising one or more longitudinally extending elastic laminate portion, formed by a flat strip of an elastic material attached to a supporting sheet of said cuff, said strip of elastic material haying a thickness of at least about 20 microns and less than 100 microns, said laminate portion comprising in at least relaxed and partially contracted state a body-facing surface with a multitude of wrinkles, and wherein said elastic laminate portion has an absolute contracted length Lc, a fully stretched absolute length Ls, and an average caliper (at 0.33 psi and at an elongation ε=0.5) from 0.4 mm to 1.1 mm, whereby at a partial elongation of the elastic laminate potion of ε=0.5: a) said wrinkles have an average wrinkle height Hw of more than 200 micrometers and less than 600 micrometers; b) said elastic laminate portion has an average wrinkle density Dw between 5 and 10 wrinkles per cm; and c) 95% or more of said wrinkles have a height of less than 600 microns; wherein said elastic laminate portion comprises one or more nonwoven material sheet, the nonwoven material sheet being a laminate of layers of meltblown material and carded or spunbound material.