A liquid container having a generally flat rectangular parallelepiped shape includes opposite major sides; an elongated bottom side connecting the opposite major sides; a port, formed adjacent a longitudinal end portion of the bottom side, for fluid communication between an inside and an outside of
A liquid container having a generally flat rectangular parallelepiped shape includes opposite major sides; an elongated bottom side connecting the opposite major sides; a port, formed adjacent a longitudinal end portion of the bottom side, for fluid communication between an inside and an outside of the liquid container, the port being eleongated in a longitudinal direction of the bottom side and having a width which is larger adjacent a longitudinally central portion of the bottom side than adjacent the longitudinal end portion.
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1. A liquid container having a generally flat rectangular parallelepiped shape, comprising:opposite major sides; an elongated bottom side connecting said opposite major sides; a port, formed adjacent a longitudinal end portion of said bottom side, for fluid communication between an inside and an out
1. A liquid container having a generally flat rectangular parallelepiped shape, comprising:opposite major sides; an elongated bottom side connecting said opposite major sides; a port, formed adjacent a longitudinal end portion of said bottom side, for fluid communication between an inside and an outside of said liquid container, said port being elongated in a longitudinal direction of said bottom side and having a width which is larger adjacent a longitudinally central portion of said bottom side than adjacent the longitudinal end portion, wherein said port is produced by blow molding of a synthetic resin material. 2. A liquid container according to claim 1, wherein said port is only one port for communication between the inside and outside.3. A liquid container according to claim 1, wherein said port includes a connecting portion for air venting and a connecting portion for supplying liquid out of said container.4. A liquid container according to claim 3, wherein said connecting portions are arranged in a longitudinal line substantially at a widthwise center of said bottom side.5. A liquid container according to claim 3, wherein said liquid supply connecting portion is disposed adjacent said one end portion and adjacent a widthwise end of said bottom side.6. A liquid container according to claim 1, wherein said port is provided with a neck portion projecting from said bottom side toward the outside and a flange extending from said neck portion in substantially parallel with said bottom side.7. A liquid container according to claim 1, wherein said port is formed by laminated structure.8. A liquid container according to claim 7, wherein said laminated structure is welded at said port.9. A liquid container according to claim 8, wherein said laminated structure includes laminated materials having thicknesses which gradually decrease.10. A liquid container according to claim 7, further comprising a cylindrical member extended into said container to retain a shape of said port.11. A liquid container according to claim 1, wherein said laminated structure supports an elastic member to be pierced by a connection needle.12. A liquid container according to claim 11, wherein said needle is a hollow needle.13. A liquid container according to claim 1, further comprising a bottom cover for covering said port.14. A liquid container according to claim 13, wherein said bottom cover is provided with a recess for engagement with a member for constituting said port.15. A liquid container according to claim 13, wherein said identifying portion includes a storing member for storing a kind and/or a remaining amount of the liquid in said container by electric, magnetic or optical or memory by combination thereof.16. A liquid container according to claim 1, wherein said bottom cover is provided with an identifying portion for preventing erroneous connection.17. A liquid container according to claim 1, wherein said container is disconnectably connected with an ink jet recording apparatus for effecting recording on a recording material by ejection of the liquid.18. A liquid container according to claim 17, wherein said liquid container contains the liquid to be ejected.19. A liquid container having a generally flat rectangular parallelepiped shape, comprising:opposite major sides; an elongated bottom side connecting said opposite major sides; a port, formed adjacent a longitudinal end portion of said bottom side, for fluid communication between an inside and an outside of said liquid container, said port being elongated in a longitudinal direction of said bottom side and having a width which is larger adjacent a longitudinally central portion of said bottom side than adjacent the longitudinal end portion, wherein said container is disconnectably connected with an ink jet recording apparatus for effecting recording on a recording material by ejection of the liquid. 20. A liquid container according to claim 19, wherein said liquid container contains the liquid to be ejected.
Yamamoto, Hajime; Sugama, Sadayuki; Hattori, Shozo; Shimizu, Eiichiro; Okuhara, Hirofumi; Koshikawa, Hiroshi; Kaneda, Tomoyuki; Hayashi, Hiroki; Kitabatake, Kenji, Liquid supply system, liquid supply container and negative pressure generating member container used for the same system, and ink jet recording apparatus using the same system.
Hiroki Hayashi JP; Shozo Hattori JP; Hajime Yamamoto JP; Hiroyuki Ishinaga JP; Eiichiro Shimizu JP; Hidehisa Matsumoto JP; Hiroshi Koshikawa JP; Kenji Kitabatake JP, Storing method of ink tank and ink jet head cartridge, and ink tank and storing container used in the same method.
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