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Tredegar Film Products Corporation patents


Recent patent applications related to Tredegar Film Products Corporation. Tredegar Film Products Corporation is listed as an Agent/Assignee. Note: Tredegar Film Products Corporation may have other listings under different names/spellings. We're not affiliated with Tredegar Film Products Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "T" | Tredegar Film Products Corporation-related inventors


Methods for manufacturing elastic film laminates

A method of manufacturing an elastic film laminate includes stretching an elastic film in at least one direction at a first draw ratio, relaxing the elastic film, stretching the elastic film at least once more in the at least one direction at a second draw ratio less than the first draw ratio, and laminating the elastic film to at least one substrate web.. . ... Tredegar Film Products Corporation

Hydroformed expanded spun bonded nonwoven web and method for making same

A method for hydroforming a spun bonded nonwoven web includes applying a plurality of pressurized liquid jets onto an original unexpanded spun bonded nonwoven web having an original loft while the web passes over a forming structure. A plurality of spun bonded fibers in the original unexpanded spun bonded nonwoven web are reoriented from a closely packed substantially horizontal orientation to a more loosely packed orientation with greater vertical spacing between the fibers to produce a hydroformed expanded spun bonded nonwoven web having a loft of at least about 1.3 times greater than the original loft of the original unexpanded spun bonded nonwoven web, and an air permeability of at least about 1.2 times greater than an original air permeability of the original unexpanded spun bonded nonwoven web. ... Tredegar Film Products Corporation

Method of making a hydroformed composite material

A method for hydroforming a composite precursor material includes forming a composite precursor material comprising an original spun bonded nonwoven web and a polymer film layer. The method also includes applying a plurality of pressurized liquid jets onto an outer surface of the original spun bonded nonwoven web while the composite precursor material passes over a forming structure to push and reorient a plurality of spun bonded fibers from a closely packed substantially horizontal orientation to a more loosely packed orientation with greater vertical spacing between the fibers to produce a hydroformed composite material comprising an expanded spun bonded nonwoven layer having a loft of at least about 1.3 times greater than the original loft of the original spun bonded nonwoven web, and an air permeability of at least about 1.2 times greater than an original air permeability of the original unexpanded spun bonded nonwoven web.. ... Tredegar Film Products Corporation

Hydroformed expanded spun bonded nonwoven web and method for making same

A hydroformed expanded spun bonded nonwoven web has a first substantially planar surface on one side thereof and a second surface on an opposite side thereof. The second surface includes a plurality of protuberances in a pattern. ... Tredegar Film Products Corporation

Composite material and method for making same

A composite material includes a nonwoven layer having a plurality of fibers and a polymer film layer with a plurality of extended cells. Each of the extended cells are contemplated to include continuous sidewalls extending away from the nonwoven layer. ... Tredegar Film Products Corporation

Hydro-formed film with three-dimensional micro-apertures

A method of processing a polymeric web includes providing a forming screen configured for supporting and moving with the web in a machine direction. The forming screen has a plurality of elliptical screen openings, each having a major axis perpendicular to the machine direction and a minor axis parallel to the machine direction. ... Tredegar Film Products Corporation

Formed film acquisition distribution layer and absorptive device therewith

An absorptive device includes a topsheet, a backsheet, an absorbent core between the topsheet and the backsheet, and an acquisition distribution layer between the topsheet and the absorbent core. The acquisition distribution layer includes a formed film having a plurality of lands that contact a bottom surface of the topsheet and define an irregular array of cells.. ... Tredegar Film Products Corporation








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