Absorbent articles with hook and loop fastening systems

US9084701B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Nayda Liz Ramosmedina · Cincinnati, US
• Michael Timothy Looney · Blue Ash, US
• Arman Ashraf · Mason, US
• Mark James Kline · Okeana, US
• Thomas Alexander Horn · Eastpointe, US
• Thierry Marche · Thouaré-sur-Loire, FR
• Olivier Blanc · Bischwiller, FR

Key dates

• Filing date: Nov 10, 2011
• Grant date: Jul 21, 2015
• Expiry date: Jul 14, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24017
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A disposable wearable absorbent article having a hook and loop fastening system that comprises a nonwoven female fastening material and a male fastening material with a plurality of bidirectional micro-sized hooks, each having a cap and at least one arm. The height of each hook and cap may be defined relative to the overall thickness of the female fastening material. Caps may have a vertical engagement effective area that has: (a) at least two sides that are substantially parallel; (b) a width-to-thickness aspect ratio from 1 to 2; and (c) an area from 40,000 to 120,000 μ2. Caps may have an overall recessed width and a deepest recessed depth that is defined relative to the overall fiber cross-sectional dimension.