Correction method for continuous ink jet print head
US6386679B1 · kind B1 · utility
12Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2000 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Nov 8, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/16
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method for correcting the performance of a continuous ink jet print head having a nozzle plate with a plurality of nozzles each having an orifice, at least one of the nozzles being a malfunctioning nozzle, the method including:a) determining which nozzle of the nozzle plate is malfunctioning;b) applying a heat-activatable material over the surface of the nozzle plate;c) applying heat to the malfunctioning nozzle, thereby causing the heat-activatable material to flow into the orifice of the malfunctioning nozzle to block it; andd) removing any excess heat-activatable material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.