Printer ink cartridge and ink cartridge device including the same
AssigneeSeiko Epson Corporation
InventorShunji Umemura
Life of this patent
Estimating the term…
Abstract
An ink cartridge device includes an ink cartridge and a cartridge casing. The ink cartridge has a first surface formed with an ink delivery port, a second surface formed with an air inlet port, a delivery port-sealing film for sealing the ink delivery port, and an air inlet port-sealing film for sealing the air inlet port. The cartridge casing has a casing body and a lid for closing the casing body. The cartridge casing accommodates the ink cartridge. At least one of the delivery port-sealing film and the air inlet port-sealing film comprises an unsealing operation portion for opening the at least one of the delivery port-sealing film and the air inlet port-sealing film, the unsealing operation portion being fixedly attached to an inner surface of the cartridge casing.
Claims15
An ink cartridge device for a printer, including:
- an ink cartridge having a first surface formed with an ink delivery port, a second surface opposite the first surface and formed with an air inlet port, a deliver port-sealing film for sealing said ink delivery port, and an air inlet port-sealing film for sealing said air inlet port, and
- a cartridge casing having a casing body and a lid for closing said casing body, said cartridge casing accommodating said ink cartridge,
- wherein said delivery port-sealing film includes a delivery port-unsealing operation portion fixedly attached to an inner surface of said casing body for peeling said delivery port-sealing film from the delivery port upon removal of the ink cartridge from the cartridge casing, and said air inlet port-sealing film includes an air inlet port-unsealing operation portion fixedly attached to said lid for peeling said air inlet port-sealing film from said air-inlet port upon opening of said lid.
An ink cartridge device for a printer, including:
- an ink cartridge having a first surface formed with an ink delivery port, a second surface opposite the first surface and formed with an air inlet port, a delivery port-sealing film for sealing said ink delivery port, and an air inlet port-sealing film for sealing said air inlet port, and
- a package for containing said ink cartridge, said package having an inner bottom surface,
- wherein said delivery port-sealing film includes a delivery port-unsealing operation portion fixedly attached to said inner bottom surface of said package for peeling said port-sealing film from said delivery port upon removal of the ink cartridge from the package.
An ink cartridge device for a printer, including:
- an ink cartridge having a first surface formed with an ink delivery port, a second surface opposite the first surface and formed with an air inlet port, a delivery port-sealing film for sealing said ink delivery port, and an air inlet port-sealing film for sealing said air inlet port, and
- a package for containing said ink cartridge, said package having an inner bottom surface,
- wherein said delivery port-sealing film includes a delivery port-unsealing operation portion fixedly attached to said inner bottom surface of said package for peeling said port-sealing film from said delivery port upon removal of the ink cartridge from the package,
- further including a cartridge cover between said ink cartridge and said package, said ink cartridge having a periphery thereof covered with said cartridge cover, and
- wherein said cartridge cover is fixedly attached to at least one of said unsealing operation portion and said inner bottom surface of said package.
An ink cartridge for a printer, including a cartridge body having a surface formed with an air inlet groove of varying direction, and a covering film melt-bonded to said surface of said cartridge body to cover opening of said air inlet groove to thereby form an air passage in said air inlet groove for introducing air into said cartridge body,
- said covering film having a peel-off portion arranged on an upstream end portion of said air passage, for being peeled off when said ink cartridge is put into use, to thereby open said upstream end of said air passage,
- wherein said covering film is formed of a uniaxially oriented film arranged such that a direction of orientation of said uniaxially oriented film is the same as a direction of peeling of said peel-off portion.
Dependencies are inferred from the claim text.