Ink jet head having trapezoidal ink passages, ink cartridge and recording apparatus with same
US5508725A · kind A · utility
9Cited by
18References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 1994 |
| Grant date | Apr 16, 1996 |
| Priority date | — |
| Expiry date | Oct 3, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/11
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink jet head includes a first member provided with an ejection energy generating element for generating energy contributable to ejection of ink; a second member provided with a recess for defining an ink passage with a trapezoidal cross-section by being coupled with the first member, corresponding to the ejection energy generating element; and a third member provided with an ejection outlet which communicates with the ink passage and through which the ink is ejected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.