| 摘要 |
A fire extinguisher or the like spraying apparatus wherein a mechanically resistant container is adapted to receive through its upper or lower end a cartridge made of a sheet showing no great mechanical resistance and enclosing a refill mass of material to be sprayed and/or a bottle of compressed gas the container being provided with means for perforating the bottle whether inside the cartridge or adjacent the latter inside the container. The gas pressure when released causes the diaphragms to burst, allowing the escape of the mixture to be sprayed, to burst. A fire extinguisher of this type can be refilled speedily several times in succession.
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