USE OF A VERY HARD BITUMINOUS BINDING IN THE PREPARATION OF A BITUMINOUS COATING, MAINLY INTENDED TO THE SEAT COATS OF THE SHOES.

摘要

THE INVENTION REFERS TO THE USE THAT POSSESSES A PENETRABILITY AT 25 (DEGREES) C INCLUDED BETWEEN 0 AND 20 IN THE PREPARATION OF A BITUMINOUS COVERING PARTICULARLY PERFORMED TO THE REALIZATION OR REINFORCEMENT OF SHOES. ACCORDING TO THE INVENTION, THE BETUN CONTENT OF THE COVERING IS HIGHER THAN 6 PARTS OF ONE HUNDRED WEIGHT.