US 12,279,938 B2
Wearable article having elastic belt
Koichi Morimoto, Beijing (CN); and Hui Liu, Beijing (CN)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Feb. 17, 2023, as Appl. No. 18/110,966.
Application 18/110,966 is a continuation of application No. 16/550,401, filed on Aug. 26, 2019, granted, now 11,622,894.
Application 16/550,401 is a continuation of application No. PCT/CN2017/074993, filed on Feb. 27, 2017.
Prior Publication US 2023/0190541 A1, Jun. 22, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61F 13/496 (2006.01); A61F 13/49 (2006.01)
CPC A61F 13/49012 (2013.01) [A61F 13/4902 (2013.01); A61F 13/4963 (2013.01); A61F 2013/49022 (2013.01); A61F 2013/49034 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A wearable article continuous in a longitudinal direction and a transverse direction, comprising:
an elastic belt region, a crotch region, a waist opening and two leg openings;
wherein the elastic belt region is a laminate comprising an inner sheet made of nonwoven fiber, and an outer sheet made of nonwoven fiber, and a plurality of elastic bodies configured to stretch the elastic belt region in the transverse direction;
wherein the elastic belt region is formed into an ring-like elastic belt comprising a front belt and a back belt, a center of the front belt is joined to a front waist panel of a central chassis, a center of the back belt is joined to a back waist panel of the central chassis, the front and back belt each having a left side panel and a right side panel where the central chassis does not overlap, wherein all of the elastic bodies sandwiched between the inner sheet and the outer sheet run in the transverse direction substantially parallel to each other;
wherein an entirety of a length of a belt side edge of the front belt is seamed with a certain length of a belt side edge of the back belt to define a seam length LS;
wherein the front belt and the back belt are each divided into 4 zones extending in the transverse direction and defined by its location from a distal edge to a proximal edge relative to a percentage of the seam length LS wherein; 0-25% is a waist zone, 25-50% is a distal tummy zone, 50-85% is a proximal tummy zone, and 85-100% is a leg zone; and
wherein a tensile stress of the proximal tummy zone of the front belt is higher than a tensile stress of any other zone and no less than 200% of a tensile stress of the distal tummy zone of the front belt.