Packing case and opening method therefor

A package in combination with a container cartridge for accommodating the container cartridge, the container cartridge having ink therein and provided with an ink supply portion and an air vent, the package comprising:

• a package material for accommodating the container cartridge;
• a sealing member for sealing the ink supply portion and the air vent of the container cartridge while the container cartridge is accommodated in the package material;
• opening means for permitting opening of said package material for removal of the container cartridge therefrom, wherein at least part of said sealing member is mounted to said package material, and said opening means is positioned relative to said sealing member so that opening said package material by said opening means exposes only a portion of the container cartridge remote from said sealing member;
• and
• said container cartridge, wherein the container cartridge has a wall thickness at the ink supply portion which is smaller than a thickness of a wall portion around the ink supply portion.

A package in combination with a container cartridge for accommodating the container cartridge, the container cartridge having ink therein and provided with an ink supply portion and an air vent, the package comprising:

• a package material for accommodating the container cartridge;
• a sealing member for sealing the ink supply portion and the air vent of the container cartridge while the container cartridge is accommodated in the package material;
• opening means for permitting opening of said package material for removal of the container cartridge therefrom, wherein at least part of said sealing member is mounted to said package material, and said opening means is positioned relative to said sealing member so that opening said package material by said opening means exposes only a portion of the container cartridge remote from said sealing member;
• and
• said container cartridge, wherein the container cartridge contains an ink absorbing material which is deformed by its elasticity into the ink supply portion.

A package in combination with a container cartridge for accommodating the container cartridge, the container cartridge having ink therein and provided with an ink supply portion and an air vent, the package comprising:

• a package material for accommodating the container cartridge;
• a sealing member for sealing the ink supply portion and the air vent of the container cartridge while the container cartridge is accommodated in the package material;
• opening means for permitting opening of said package material for removal of the container cartridge therefrom, wherein at least part of said sealing member is mounted to said package material, and said opening means is positioned relative to said sealing member so that opening said package material by said opening means exposes only a portion of the container cartridge remote from said sealing member;
• and
• said container cartridge, wherein the ink supply portion of the container cartridge is enclosed with a rib projecting outwardly.

A package in combination with a container cartridge for accommodating the container cartridge, the container cartridge having ink therein and provided with an ink supply portion and an air vent, the package comprising:

• a package material for accommodating the container cartridge;
• a sealing member for Sealing the ink supply portion and the air vent of the container cartridge while the container cartridge is accommodated in the package material;
• opening means for permitting opening of said package material for removal of the container cartridge therefrom, wherein at least part of said sealing member is mounted to Said package material, and said opening means is positioned relative to said sealing member so that opening said package material by said opening means exposes only a portion of the container cartridge remote from said sealing member;
• and
• said container cartridge, wherein the air vent of the container cartridge is enclosed with a rib projected outwardly.