Print carriage

B - Operations – Transporting – 41 – J

Patent

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B41J 2/21 (2006.01) B41J 19/16 (2006.01)

Patent

CA 2760484

A system and method for depositing a substance onto a continuously moving substrate in first and second transverse swathes, is achieved by providing a print carriage having a first set of inkjet heads and a second set of inkjet heads. The carriage is traversed across the substrate in a forward pass, while depositing the first and second swathes from the respective first and second plurality of inkjet heads and subsequently traversed across the substrate in a reverse pass. The first and second sets of inkjet heads are arranged such that the first and second swathes complement one another on both forward and reverse passes to provide substantially complete coverage of the substrate. In this manner complementary swathes may be deposited from a single head.

L'invention concerne un système et un procédé pour déposer une substance sur un substrat continuellement mobile dans une première et une seconde largeur transversales, par le biais d'un chariot d'impression ayant un premier ensemble de têtes de jet d'encre et un second ensemble de têtes de jet d'encre. Le chariot traverse le substrat lors d'un passage en avant, pendant lequel il dépose la première et la seconde largeur de la première et la seconde pluralité respective de têtes de jet d'encre et retraverse ensuite le substrat lors d'un passage inverse. Le premier et le second ensemble de têtes de jet d'encre sont disposés de sorte que la première et la seconde largeur se complètent l'une l'autre, lors du passage en avant et en arrière pour obtenir une couverture sensiblement complète du substrat. Ainsi, des largeurs complémentaires peuvent être déposées par une seule tête.

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