| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluid accumulator for an ink jet printing head capable or keeping the ink supply pressure to a printing head constant. SOLUTION: A fluid accumulator consists of the ink jet printing head 86 in a printing cartridge 14, the means connected to the printing head 86 to house ink and sending the ink to the printing head 86 and the fluid accumulator effectively connected to the printing head 86 and, since the vol. of the housing means is changed with the change of the temp. of ink by the fluid accumulator, ink can be held to an almost constant pressure. |
