Diaphragm valve for printhead
US8641177B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2011 |
| Grant date | Feb 4, 2014 |
| Priority date | — |
| Expiry date | Nov 19, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87338
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A diaphragm valve for distributing ink from an ink source to a media width inkjet printhead, the valve having a body, a plurality of ports on the body for connection to the ink source and printhead, a chamber within the body via which the ports are able to be interconnected, a diaphragm pad having seals for sealing respective ones of the ports and a selection device for manipulating the diaphragm pad to selectively seal and un-seal the ports to establish interconnection between the ports thereby allowing ink flow therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.