Invention Application
- Patent Title: METHOD OF MAKING BREATHABLE, ELASTIC FILM LAMINATES AND ARTICLES DERIVED THEREFROM
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Application No.: US15308543Application Date: 2015-04-27
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Publication No.: US20170087029A1Publication Date: 2017-03-30
- Inventor: Todd L. Nelson , Robert E. Andrews , William H. Sikorski, Jr.
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- International Application: PCT/US2015/027822 WO 20150427
- Main IPC: A61F13/15
- IPC: A61F13/15 ; B32B27/32 ; B32B5/02 ; B32B27/12 ; A61F13/49 ; B32B3/26
Abstract:
A method of making a breathable, elastic film laminate comprising the steps of stretching an elastic film in a first direction, spot welding at least one nonwoven web to the film while it is stretched, and stretching the film laminate in a second direction to create apertures in the film. Articles derived from the method are also described.
Information query
