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US 10,307,942 B2Granted
Method for making an apertured web
AssigneeThe Procter & Gamble Company
InventorsFredrick William Gibson, Kelyn Anne Arora, John Lee Hammons, Norman Scott Broyles, Jill Marlene Orr, Timothy Ian Mullane, Jody Lynn Hoying, Karen Denise McAffry, Hugh Joseph O'Donnell
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Abstract
A method for making apertures in a precursor web using a forming apparatus is described herein. The precursor web comprises a film layer and a nonwoven layer having molecular orientation and the forming apparatus comprises an arrangement of teeth. The forming apparatus heats and stretches the precursor web forming apertures therein.
Claims16
A method for making apertures in a web, the method comprising:
- a. providing a laminate or composite precursor web material having a machine direction and a cross machine direction, the laminate or composite precursor web having a predominant molecular orientation in the machine direction, the laminate or composite precursor web comprising a film layer and a nonwoven layer;
- b. plastically deforming the laminate or composite precursor web in a direction perpendicular to the machine direction;
- c. providing a forming apparatus;
- and
- d. moving the plastically deformed precursor web material through the forming apparatus, wherein the forming apparatus heats and stretches the web forming apertures therein.
2 more elements
Dependencies are inferred from the claim text.