| 摘要 |
FIELD: means used for keeping order in public places, in particular, policemen's clubs. SUBSTANCE: the metal cartridge in the policemen's dust-spraying club is positioned in the body cavity, and is provided with a polyethylene membrane for sealing the cavity. Provision is made for a high-pressure cylinder with carbonic acid for actuation of the cartridge. The dusty material represents 50 to 100g of dust or common salt, or edible soda, or wood measuring 20 to 60 mum. The membrane thickness makes up 0.2 mm. EFFECT: simplified construction and enhanced safety of use. 2 cl, 1 dwg |
