Ink jet head and printing apparatus
US6715861B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2002 |
| Grant date | Apr 6, 2004 |
| Priority date | — |
| Expiry date | Jun 15, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14491
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printing apparatus that includes an ink jet head (100) having nozzles for discharging ink supplied thereto from an ink supplying part (50). This printing apparatus includes a head body member (3) having pressure chambers provided individually for the nozzles that are filled with the ink. Further included are pressurization elements provided individually for the pressure chambers for pressurizing the pressure chambers to discharge the ink in the pressure chambers from the nozzles. An ink staying space (130) is provided for temporarily staying the ink from the ink supplying part (50). This ink staying space (130) is formed between the head body member (3) and the ink supplying part (50), and a number of ink supplying paths (129) for communicating the ink staying space (130) and the plurality of pressure chambers is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.