FIRE EXTINGUISHER, FIRE EXTINGUISHER CYLINDER, AND PREFORM OF FIRE EXTINGUISHER CYLINDER

摘要

Disclosed is a fire extinguisher (100) comprising a storage container (10) for a fire-extinguishing agent. The storage container (10) comprises a mouth as an opening a shoulder a cylindrical barrel and a bottom and is formed of a seamless resin. In addition the wall thickness of the barrel in the storage container (10) is 1 to 5 mm and the crystallization rate of the resin except for the resin constituting the mouth and the bottom is 13 to 30%. Accordingly the fire extinguisher (100) is lightweight and does not rust. Further the fire extinguisher (100) has high strength or high pressure resistance.