INK ABSORBING MATERIAL, INK TANK USING THE SAME, INK-JET CARTRIDGE INTEGRATING THE INK TANK AND INK-JET RECORDING HEAD, MANUFACTURE OF INK TANK, AND FIBER LUMP USED FOR THE INK TANK

摘要

PROBLEM TO BE SOLVED: To use fibers as an ink absorbing material and to obtain the ink absorbing material, etc., which are suitable well for an ink tank with a complex shape by having an outer surface which is equal or corresponds to the shape of the inner surface of a housing, compressing a fiber block and being made from a fiber material which is molded by compressing a fiber block and at least by heating the surface. ;SOLUTION: Ink absorbing materials 24, 25, 26 which are placed in an area (hereafter called ink absorbing material receiving part) which is surrounded by the housing of an ink tank 20 and a partition member have an outer surface which is equal or corresponds to the uneven shape of the inner surface of an ink absorbing material receiving part, respectively. Besides, fibers in which polypropylene fibers and polyethylene fibers are blended in a weight ratio of 7:3 is compressed to conform to the shape of each chamber in the ink tank, and the surface is molded by thermoforming for constitution.;COPYRIGHT: (C)1997,JPO