Patent · US Expired

Apparatus for detection of format accuracy of a web of corrugated board

US6836331B2 · kind B2 · utility

11Cited by
6References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 2002
Grant dateDec 28, 2004
Priority date
Expiry dateDec 19, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB31F1/2831
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

An apparatus for detection of format accuracy of a web of corrugated board that comprises a first and second smooth liner and a corrugated paper web disposed there-between, is equipped with at least one sensor which detects grooves running in a conveying direction of the web of corrugated board, and/or a lengthwise cut, and/or lateral edges.

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