| 摘要 |
PURPOSE:To provide a recording head unit of high reliability for absorbing sulfurated gas generated out of ink, generating no corrosion pf parts and generating no odor either. CONSTITUTION:In a structure in which an ink bag 1, a pipe 2, a holder 3 and a recording head 4 are bonded all together watertightly, to be formed into a unit in a case 5, a gas absorbent impregnated fiber material 7, into which polyarylamine as a sulfuriated gas absorvent is absorbed, is wound around the ink bag 1. |
