Apparatus and method for degrading a web in the machine direction while preserving cross-machine direction strength

US7326322B2 · kind B2 · utility

Assignee

• Georgia-Pacific Consumer Products LP · US

Inventors

• Paul J. Ruthven · Neenah, US
• Dale T. Gracyalny · Alpharetta, US
• Galyn A. Schulz · Greenville, US
• John R. DeMille · Green Bay, US
• Otto Mogged, III · Shawano, US
• Alan J. Kraszewski · Pulaski, US
• Robert J. Williams · Painesville, US
• Harlie C. Zahn · Green Bay, US
• Robert R. Daus · Suamico, US
• Mark D. Hansen · Buffalo Grove, US

Key dates

• Filing date: Nov 12, 2004
• Grant date: Feb 5, 2008
• Expiry date: Mar 28, 2025

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B31F2201/0797
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An embossing system is provided for embossing a web having a first embossing roll having embossing elements and a second embossing roll having embossing elements, wherein at least a portion of the embossing elements of the first and second embossing rolls are substantially oriented in the cross-machine direction. The embossing roll may be crowned, may have alignment means, and may be provided with precision gearing.