Patent · US Active

Maintenance unit for print head

US8408672B2 · kind B2 · utility

0Cited by

11References

13Claims

0Family size

Assignee

Novartis AG · CH

Inventors

Georg Cramm · Basel, CH
Axel Heinrich · Aschaffenburg, DE
Stephan Pirl · Obernburg, DE
Gabriela Cocora · Elsenfeld, DE

Key dates

Filing date	Jun 2, 2010
Grant date	Apr 2, 2013
Priority date	—
Expiry date	Apr 13, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB41J2/16552
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention generally relates to a printing apparatus including one or more print heads for depositing printing fluid onto a substrate, wherein the apparatus comprises a maintenance unit for the one or more print heads. The present invention further relates to a method for cleaning one or more print heads from adhering printing fluid. The present invention also relates to the use of said apparatus in the automated manufacture of a contact lens, in particular a silicone hydrogel contact lens.

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