Device for forming staircase for e.g. public works, has set of steps that is able to adapt angle and length of slopes of staircase, and set of characteristics of prefabricated steps is adaptable widthwise and lengthwise

摘要

The device has a set of prefabricated steps that is able to adapt the angle and the length of slopes of a staircase. A set of characteristics of the prefabricated steps is adaptable widthwise and lengthwise. A slope support or a rigid support is arranged in the device along with extruded, molded or worked steps with synthetic materials. The set of steps is arranged with structured faces for allowing adherence.