Packaging container for containing developer sheets therein and method of packaging such sheets
AssigneeBrother Kogyo Kabushiki Kaisha
InventorShunichi Higashiyama
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Abstract
A packaging container for and packaging method of developer sheets of the type which are superposed with a microcapsule-bearing sheet on which a latent image corresponding to an original has been formed has improved storage characteristics. In such a container, the developer sheets are accommodated in a box which is in an atmosphere of non-oxidative gas or inert gas such as nitrogen gas. The box is wrapped with a plastic film or metal foil. The developer sheets can be stored over a long time without occurrence of yellowing of the developer.
Claims22
A packaging container comprising a container and developer sheets in a stacked state within the container and developer sheets in a stacked state within the container with remaining space inside the container, wherein the remaining space is completely filled with a non-oxidative gas and the container is hermetically sealed.
A packaging method for storing developer sheets in a container, comprising the steps of:
- providing a container;
- stacking the developer sheets in the container so as to leave a space inside the container;
- filling the space completely with a nonoxidative gas;
- and
- hermetically sealing the container.
Dependencies are inferred from the claim text.