Method and apparatus of measuring a gap between a first and second roll

US9841265B2 · kind B2 · utility

Assignee

• The Procter & Gamble Company · US

Inventors

• Curtis Hunter VanValkenburgh · Mason, US
• Jeremy Georges Bertin · Rübhausen, DE
• Robert G. Cox · Kalamazoo, US
• Christopher Robert Lyman · Milford, US
• Kevin John Schmitz · Arnold, US
• Jon Richard Rossiter · Monroe, US

Key dates

• Filing date: Apr 16, 2014
• Grant date: Dec 12, 2017
• Expiry date: Dec 24, 2035

Classification

• Technology area (CPC G): Physics
• CPC primary: G01S17/88
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A method and an apparatus are provided to measure a gap between a first and second roll. Moreover, a method and an apparatus are provided to correct the gap to a target distance with a closed loop system. Also, a method and an apparatus are implemented to detect the wear for each roll by using a non-contacting measuring device.