US 12,134,104 B2
Inkjet printhead for a fluid
Simon Kew, Preston (GB); Alan Hudd, Preston (GB); and Istvan Ocskai, Preston (GB)
Assigned to ALCHEMIE TECHNOLOGY LIMITED, Cambridge (GB)
Appl. No. 17/602,543
Filed by ALCHEMIE TECHNOLOGY LIMITED, Cambridge (GB)
PCT Filed Apr. 9, 2020, PCT No. PCT/GB2020/050927
§ 371(c)(1), (2) Date Oct. 8, 2021,
PCT Pub. No. WO2020/208360, PCT Pub. Date Oct. 15, 2020.
Claims priority of application No. 1905015 (GB), filed on Apr. 9, 2019.
Prior Publication US 2022/0169021 A1, Jun. 2, 2022
Int. Cl. B05B 12/18 (2018.01); B05B 7/08 (2006.01); B05B 17/06 (2006.01)
CPC B05B 12/18 (2018.02) [B05B 7/0815 (2013.01); B05B 17/0607 (2013.01)] 25 Claims
OG exemplary drawing
 
1. A printhead for dispensing a fluid, the printhead comprising:
at least one chamber;
an array of piezoactuated flow channel dispensers enclosed in the at least one chamber;
a multi-orifice dispensing plate;
an air dispensing element comprising a source of compressed air and an air flow controller configured to direct a flow of air, and
a sealing layer configured to resist fluid flow through the orifices of the multi-orifice dispensing plate,
wherein the tips of the flow channel dispensers are configured to protrude through the multi-orifice dispensing plate, and are configured to be in contact with and to protrude through openings in the sealing layer.