Patent ID: 6578957
Filing Date: 2003-06-17
Classification: B41J

Abstract:
A liquid container for supplying liquid to a recording head, comprising:a fibrous material for retaining ink to be supplied to an ink jet recording head; a main body accommodating the fibrous material; and an ink discharging portion, formed in the main body, for supplying the ink to said ink jet recording head, wherein the fibrous material includes fibers having diameters which are smaller adjacent said liquid discharging portion than those of fibers in other portions of said fibrous material, and wherein the fibers include fiber strands, each of which substantially includes a core portion resin material having a first melting temperature and an external portion resin material having a second melting temperature lower than the first melting temperature, the fiber strands being crossed at a great number of crossing portions at which only external portions of said fiber strands are welded together, and by said welded crossing portions forming a great number of gaps that are sized fine enough to produce negative pressure for retaining the ink therein.