[Common textiles manual] Knit lifesaving pipe

Overview

Cylindrical stretch knitted fabrics that are used by people for rapid and safe evacuation in the event of a fire or other emergency in a high-rise building are particularly convenient for the evacuation of perceived personnel and objects. Its characteristics are good lateral elasticity and extensibility, stable longitudinal dimension and high strength. This kind of lifesaving pipe can be rolled up like a fire hose and stored on balconies, windows, etc. In case of fire or other emergency, the pipe can be opened and hung down. People can slide down from the pipe and rely on the pipe wall. The pressure on the human body increases the resistance of a person's whereabouts, and the arms, feet, and body can be flexed to control the speed of descent, to ensure safe landing, and to stay in the pipeline when necessary. This kind of life-saving tool is very convenient to use and it will hardly be learned.

According to the requirements of use, the knitted life-saving pipe adopts a single-sided weft-pin to lining the weft-inserted tissue structure, and the low-elastic polyester yarn or the low-elastic nylon yarn woven the weft-needle coil structure; the spandex-elastic elastic filament is used as a weft insertion; and the high-strength polyester is used. Filament or carbon fiber as a liner. Raw yarns are used as raw materials, but the fineness varies greatly depending on the length of the pipe, the yarn properties and the density of the fabric. When the product is used as a fire rescue appliance, flame retardant, heat radiation, and anti-static treatment are also required.