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Ringstone Co., Ltd. Patents |
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Assignee: Ringstone Co., Ltd.
Address: Tokyo, JP
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5083961 |
Inflatable toy unit |
January 28, 1992 |
| In a bag flying-out toy, a foaming material including a plurality of foaming agents which generate gas at mixing thereof is accommodated in a gas-tight bag toy unit. An accommodating bag unit has its volume at swelling thereof, which is smaller than that of the bag toy unit at swelli |
| 4758198 |
Gas-inflatable toy with plural bladders and valve means |
July 19, 1988 |
| A gas-inflatable bladder toy is disclosed, in which a plurality of films are stacked with their peripheral edges being sealed for forming a bladder to be inflated by filling a required pressure gas therein, said bladder being adapted to be fed with an external gas and provided with an ai |
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