Patent ID: 9469568
Filing Date: 2016-10-18
CPC Classification: B28B,B29C,B32B,C04B,E04C,Y10T

Claim Text:
1. A composite panel based on cementitious mortar, with properties of transparency to light, passed through its entire thickness by a plurality of through openings each of which is filled with a material transparent to light in the form of a preformed plate housed in said opening, or formed in said opening, wherein said mortar based on cement contains at least 30 kg/m 3 of a mixture of two types of fibres, a first one selected from the group consisting of metallic fibres and steel fibres, mixed with a second one made of polymeric resin fibers, in a ratio by weight between 40-50 to 1 respectively, such mixture of fibers controlling the hygrometric shrinkage of the mortar and opposing cracking.