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US 5,038,934 AGranted
Microcapsule-carrying sheet storage cartridge and method of sealing the same
AssigneeBrother Kogyo Kabushiki Kaisha
InventorShunichi Higashiyama
Life of this patent
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Abstract
A cartridge case in which a microcapsule-carrying sheet to be used as an image recording medium is stored, is filled with a non-oxidative gas which makes it possible to store the microcapsule-carrying sheet for extended periods without affecting its performance. Nitrogen gas or inert gas such as neon, argon, helium, and xenon is suitable as the non-oxidative gas.
Claims27
A microcapsule-carrying sheet storage cartridge, comprising:
- a sealed housing containing a microcapsule-carrying sheet;
- and a non-oxidative gas filled in the housing.
A microcapsule-carrying sheet storage cartridge comprising:
- a sealed housing containing a microcapsule-carrying sheet;
- drawer entrance means in the housing for withdrawing the microcapsule-carrying sheet from the housing;
- film means for covering at least the drawer entrance means of the housing;
- and
- a non-oxidative gas filled in the sealed housing.
2 more elements
A method for storing a microcapsule-carrying sheet in a cartridge comprising the steps of:
- placing the microcapsule-carrying sheet in a housing of the cartridge;
- filling the housing with a non-oxidative gas;
- and
- sealing the housing.
1 more element
Dependencies are inferred from the claim text.