Synthetic and glass fibre portable ladder.

摘要

A portable ladder (1) consisting of upright members (2) and steps (3), wherein said uprights (2) and said steps (3) are made up of a polyamide fibre and of a glass fibre as well, wherein said glass fibre is present at a percentage ranging from 0 to 50 % and wherein said step members (3) are fastened to said uprights (2) through ultrasonic welding or through mechanical assembling.