| 摘要 |
PURPOSE: A nude type fire extinguisher is provided to allow an operator to easily and accurately check the condition of the fire extinguisher as well as the amount of extinguishing medicine only by observing the exterior of the fire extinguisher. CONSTITUTION: The fire extinguisher of an extinguishing medicine recharging type has a container(1), of which one side is cut or forged. For compressively fastening a transparent window(5) capable of resisting pressure, on which a measuring scale(20) is marked, to the one side of the container, a seating die(100) is fusion bonded to the container after being cut to be able to receive the transparent window. The seating die has several drilled holes in fastening screws. The fastening screws penetrates the seating die, a rubber packing, the transparent window, another rubber packing, and a fixture plate drilled with a nut hole in turn.
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