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Patents

Disposable Absorbent Pants with Advantageous Stretch and Manufacturability Features, and Methods for

U.S. Patent No. 10,166,151

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By: Karen McIntyre

Editor, Nonwovens Industry

Sarah Marie Wade, Springfield Township, OH; Gary Dean Lavon, Liberty Township, OH; and Miguel Alvaro Robles, Wyoming, OH.
Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 6/15/15
Issued: 1/1/19

A method for manufacturing a disposable absorbent pant, comprising the steps of: conveying a first nonwoven web along a machine direction; as the first nonwoven web is conveyed along the machine direction, laminating a second nonwoven web to the first nonwoven web and thereby sandwiching an elastomeric web therebetween the first and second nonwoven webs to form a first elasticized multilayer web; severing the first elasticized multilayer web to form front and rear sections of the first elasticized multilayer web; applying a plurality of pre-strained leg elastic members along a leg elastic path generally extending along the machine direction but comprising curvilinear portions, onto a surface of the first elasticized multilayer web; conveying and laminating a third nonwoven web to the first elasticized multilayer web such that the pre-strained leg elastic members are sandwiched between the first elasticized multilayer web and the third nonwoven web; as the first elasticized multilayer web is conveyed along the machine direction, cutting the first elasticized multilayer web along a first cutting path and along a second cutting path, and removing at least a portion of a middle section of the first elasticized multilayer web between the cutting paths; severing at least one leg elastic member at repeated intervals; affixing central chassis structures to overlap the first elasticized multilayer web; and cutting the first elasticized multilayer web along separation lines disposed between the affixed central chassis structures, and thereby severing away separate pant structures; wherein the first cutting path is different from the second cutting path.

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