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Patents

Formed Films and Apparatus for Manufacturing the Same:

U.S. Patent No. 10,758,431

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By: Karen McIntyre

Editor, Nonwovens Industry

Antonietta Splendiani, Glen Allen, VA; Brian C. Loomis, Terre Haute, IN; John Richard Renner, Marshall, IL; and Todd R. Skochdopole, Moseley, VA.
Assigned to Tredegar Film Products, N. Chesterfield, VA.

Filed: 5/2/17
Issued: 9/1/20

A formed film comprising: a first surface generally located in a first plane; a second surface generally located in a second plane parallel to and spaced from the first plane; a third surface generally located in a third plane parallel to and spaced from the first plane and the second plane, in between the first plane and the second plane; a porous structure extending vertically between the second surface and the third surface; and a plurality of raised areas having sidewalls extending between the first surface and the third surface, and top portions defining the first surface, the plurality of sidewalls, the porous structure and the first plane defining a plurality of gathering volumes, wherein the plurality of raised areas comprise a plurality of micro-apertures, and wherein the porous structure comprises a fibrillated structure.

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