タイトルまたは説明

~This Vertical-Spiral Escape Chute is fabric chute attached to a metal frame and held together with support belts. It is designed to be installed to fire truck for the rescue and to evacuation people with speed and safety.

Vertical-Spiral Escape Chute is a device which emergency in the crowd and rapid evacuation of people from high structures, where one chute is capable of evacuating some evacuees from a high rise building in *5 to *0 minutes. It is also possible for a person to enter the chute, and then have an evacuee second person placed upon their shoulders, to assist the second person to evacuate. The Vertical-Spiral Escape Chute construction of the chute allows several people in a continuous order to descent without blockage. The law of friction and gravity keeps bodies with different weights apart in equal distance (2minutes/person for a *0m descent)