US 12,441,107 B2
Inkjet printing system with nozzle evaporator
Julian Schneider, Muttenz (CH); Martin Schmid, Zürich (CH); and Patrick Galliker, Richterswil (CH)
Assigned to Scrona AG, Zürich (CH)
Appl. No. 18/277,692
Filed by Scrona AG, Zürich (CH)
PCT Filed Feb. 18, 2021, PCT No. PCT/EP2021/054065
§ 371(c)(1), (2) Date Aug. 17, 2023,
PCT Pub. No. WO2022/174907, PCT Pub. Date Aug. 25, 2022.
Prior Publication US 2024/0173973 A1, May 30, 2024
Int. Cl. B41J 2/14 (2006.01); B41J 2/06 (2006.01); B41J 2/18 (2006.01); B41J 11/00 (2006.01)
CPC B41J 2/14 (2013.01) [B41J 2/06 (2013.01); B41J 2/18 (2013.01); B41J 11/0022 (2021.01); B41J 2202/02 (2013.01); B41J 2202/12 (2013.01); B41J 2202/18 (2013.01)] 35 Claims
OG exemplary drawing
 
1. An inkjet printing system comprising:
a print head,
a plurality of ink nozzles arranged on the print head,
a first gas source,
first gas ducts arranged at least partially in the print head,
wherein at least a first end of the first gas ducts is connected to the first gas source and a plurality of second ends of the first gas ducts is arranged at the ink nozzles,
wherein the printing system further comprises at least one evaporator arranged along the first gas ducts before the nozzles,
a second gas source and
second gas ducts, arranged at least partially in the print head,
wherein at least a first end of the second gas ducts is connected to the second gas source and a plurality of second ends of the second gas ducts is arranged at the ink nozzles, with the second ends of the first gas ducts being closer to the ink nozzles than the second ends of the second gas ducts,
wherein the second gas ducts do not communicate with the evaporator(s).