Mother metu00c1lica.

摘要

This is a mother (1) with a general configuration, with over banzo (1 -) and of the souls (1 - b) thinner, lighter and with strength equivalent to conventional beams. The process of otimizau00c7u00c3o made in the invention has the introduction of two reforu00c7os (two folds) in the banzo upper and two reforu00c7os (two folds) along each of the souls.The folds are placed on the teru00c7o interior, and banzo or of souls, areas not effective or less resistance in a mother conventional. In this way, the section corresponding becomes practically all effective.