Patent · US Expired

Method and device in continuously operated unwinding of a paper reel

US6685133B1 · kind B1 · utility

1Cited by
13References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 1, 2001
Grant dateFeb 3, 2004
Priority date
Expiry dateOct 1, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65H2511/166
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

The invention relates to a method in continuous unwinding of a paper web, in which a paper reel (3) wound on a reeling core (2) or the like is unwound by rotating the same to guide the paper web (1) to a further processing stage. The method is characterized in that the shape of the outer surface of the unwound paper reel (3) is measured with the aim of detecting the defects possibly occurring in the paper reel (3) the invention also relates to an apparatus for applying the method.

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