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:
Oct. 10, 2023
Filed:
May. 06, 2020
Tetra Laval Holdings & Finance S.a., Pully, CH;
Mats Åkesson, Malmö, SE;
Anna Harder, Hjärup, SE;
Roy Eidebakken, Veberöd, SE;
Mats Qvarford, Lund, SE;
Daniel Cederström, Limhamn, SE;
Tetra Laval Holdings & Finance S.A., Pully, CH;
Abstract
An apparatus for digital printing of carton-based packaging material for packages holding liquid food products is provided. The packaging material has a first side adapted to form outer surfaces of the packages and a second side adapted to form inner surfaces of the packages. The apparatus includes an inlet configured to receive a web of the packaging material and an outlet configured to transfer the web of packaging material out of the apparatus, a web feeding assembly, arranged to feed the web in a web feeding direction from the inlet through the apparatus to the outlet, including at least one drive unit and at least one web direction device, a number of print bars provided with print heads arranged to provide food graded ink on the first side of the web, wherein the at least one drive unit and at least one web direction device provide a first web turning arrangement for turning the web after being received via the inlet such that the first side of the web is facing towards the print heads, and a second web turning arrangement for turning the web after the food graded ink has been provided by the print heads, wherein the first web turning arrangement provides a first slack upstream the number of print bars and the second web turning arrangement provides a second slack downstream the number of print bars.