Ink-jet head and ink-jet recording apparatus
US9440439B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2013 |
| Grant date | Sep 13, 2016 |
| Priority date | — |
| Expiry date | Jun 7, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14419
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The inkjet head for discharging a water-based ink for inkjet recording is disclosed, the inkjet head including two or more types of metal members used at portions to be brought in contact with the water-based ink, wherein at least two of the two or more types of the metal members are electrically connected, and the two or more types of the electrically connected metal members have spontaneous potentials each of which is measured with a reference electrode Ag/AgCl in the water-based ink and which provide an absolute value of a maximum difference therebetween, the absolute value being not more than 60 mV. An ink jet head is provided, in which any corrosion of a metal member is suppressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.