| 摘要 |
PURPOSE: A liquid container, an elastic member for a liquid container, and a recording apparatus are provided to make a cylindrical needle attachable and detachable and to prevent the leakage of ink even after a liquid container is penetrated for a long time. CONSTITUTION: A liquid container(2) for an ink jet recording apparatus includes a connection opening connectable with an outside, an elastic member provided in the connection opening, the elastic member being adapted to be penetrated by a cylindrical member(7) for fluid communication with the outside, the elastic member including a compressed region, and a substantially non-compressed region in a state without the cylindrical member penetrated, disposed in the order in a direction of insertion of the cylindrical member, wherein the compressed region and the non-compressed region are capable of being compressed when they are penetrated by the cylindrical member.
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