FIELD: shipbuilding; devices for protection of ships against constraining by ice. SUBSTANCE: proposed device includes tubular multi-passage units with outlet holes which are connected to gas supply sources forming explosive mixture and to gaseous component source initiating explosion of said mixture. Tubular multi-passage units are made in form of self-twisting elastic hoses laid over perimeter of ship s hull. Each hose is provided with pneumatic chamber for its untwisting which is communicated with compressed air source. EFFECT: enhanced efficiency of protection. 3 cl, 7 dwg
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