Pressure damper, liquid jet head, and liquid jet apparatus
US8602528B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2012 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Jan 31, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/1624
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A pressure damper includes a main body portion and a flexible film mounted on the main body portion. The main body portion has upper end portion, a recessed portion having an opening portion opened in the upper end portion, and a communication port opened in an inner surface of the recessed portion to communicate with an outer region of the pressure damper. The upper end portion forms at least one bank that surrounds the opening portion. The at least one bank has a height larger than a height of an upper surface of the main body portion and a width smaller than a width of a side wall of the main body portion. The flexible film is bonded to an upper surface of the bank to close the opening portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.