Cartridge container

摘要

A cartridge container of the character to be mounted in an office machine into and from which a viscous fluid such as ink is supplied and sucked out, comprises: a lower half container section made of a rigid material and an upper half container section made of a pliant sheet material, both sections being bonded along their opening edges and communicating with each other internally when both sections are thermally bonded. The upper half container section has a shape or dimensions to be substantially entirely foldable into the interior of the lower half container section in a reversely turned-over condition so as to closely oppose the inner wall of the lower half container section when the viscous fluid in the cartridge container is substantially entirely sucked out therefrom through a spout disposed at the lower portion of the lower half container section.