The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 22, 2011
Filed:
Nov. 29, 2004
Dirk Costrop, Duffel, BE;
Eduard Wouters, Schilde, BE;
Tom Ramaekers, Mortsel, BE;
William Waterschoot, Belsele, BE;
Dirk Costrop, Duffel, BE;
Eduard Wouters, Schilde, BE;
Tom Ramaekers, Mortsel, BE;
William Waterschoot, Belsele, BE;
Punch Graphix International N.V., Lier, BE;
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.