Patent · US Active

Device and method to feed and align a web with increased web stability for printing

US7909216B2 · kind B2 · utility

0Cited by

7References

18Claims

0Family size

Assignee

Punch Graphix International N.V. · BE

Inventors

Dirk Costrop · Duffel, BE
Eduard Wouters · Schilde, BE
Tom Ramaekers · Mortsel, BE
William Waterschoot · Belsele, BE

Key dates

Filing date	Nov 29, 2004
Grant date	Mar 22, 2011
Priority date	—
Expiry date	Nov 29, 2027

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB65H2403/725
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A web alignment method and apparatus for a printing system that includes a friction drive, wherein the alignment device provides one or more of the following: a) a stable medium path with reduced web-walk, b) an alignment system that is not sensitive to the mechanical alignment of an upstream device such as a roll unwinder, c) an alignment system having a lower complexity and lower cost than active controlled systems, and d) an alignment system that is compatible with a wide range of media, ranging from lightweight papers (for example 60 gsm) to heavyweight stock (such as 300 gsm) including high weight high gloss coated grades. The alignment device includes an arrangement for supporting the web in an arcuate form between adjustable side guides.

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