INK CARTRIDGE AND SEALING SHEET FOR PRINTER OR THE LIKE

摘要

PROBLEM TO BE SOLVED: To make an used ink cartridge refillable without stripping off a used seal main body by attaching a reusable seal on the lid of the used ink cartridge having a seal left unremoved in such a manner that an ink injection hole and a ventilating groove. SOLUTION: The main body E1 of a seal E remains unremoved on the lid L1 of a used ink cartridge 1C in such a manner that the main body E1 of the seal E covers an ink injection hole 1P. The main body E1 of the seal E is completely covered by the main part 10 which has a slightly larger configuration size than the main body E1 and also has an auxiliary part 30 connected to the main body E1 through a break line part 20. Further, it is possible to attach a sealing sheet 1 to the surface of the lid L1 by making not only the ink injection holes 1P but also a ventilating groove D airtight with an encircling first adhesive part 50 in such a manner that the groove D is covered by the auxiliary part 30. Thus it is possible to rapidly and easily refill the ink cartridge IC.