Patent · US Active

Apparatus and method for the automated marking of defects on webs of material

US7974459B2 · kind B2 · utility

13Cited by

76References

6Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Steven P. Floeder · Shoreview, US
James A. Masterman · Lake Elmo, US
Carl J. Skeps · Lakeville, US

Key dates

Filing date	Oct 19, 2009
Grant date	Jul 5, 2011
Priority date	—
Expiry date	Oct 19, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG01N2021/8927
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A system for the characterization of webs that permits the identification of anomalous regions on the web to be performed at a first time and place, and permits the localization and marking of actual defects to be performed at a second time and place.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.