Method of making an elastic laminated sheet of an incrementally stretched nonwoven fibrous web and elastomeric film
Patent 5861074 Issued on January 19, 1999. Estimated Expiration Date: 
July 26, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
July 26, 2016. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2714571 3058868 3264155 3486920 3622422 Random laid bonded continuous filament cloth Process for pattern drawing of webs Stretch wrap film composition Extrudable self-adhering elastic and method of employing same Nonwoven fabric barrier layer InventorAssigneeApplicationNo. 686409 filed on 07/26/1996US Classes:156/229, With stretching156/244.24, Post-treatment156/244.27, Pressure assisted bonding156/324, Running or continuous webs of indefinite length264/282, Creping or crinkling264/288.4, Stretching by applying tension264/288.8Nonuniform product (e.g., porous, etc.) or with tensioning before application of heatExaminersPrimary: Aftergut, Jeff H.Attorney, Agent or FirmForeign Patent References
International ClassB29C 055/18AbstractAn elastic laminated sheet of an incrementally stretched nonwoven fibrous web and elastomeric film and method of making are disclosed. The elastic laminates are especially useful in diapers, surgical gowns, sheets, dressings, hygienic products and the like.Other References
Field of SearchBonding in stressed condition of at least one prestressed elementBonding of sheets or webs only Surface deformation only of sandwich or lamina (e.g., embossed panels) Subsequent to lamination With stretching Bending of one lamina only Running or continuous webs of indefinite length Running length web By extrusion Post-treatment Pressure assisted bonding Creping or crinkling | |
