Patent ID: 6789366
Filing Date: 2004-09-14
Classification: B28B,E04B,E04C

Abstract:
A lost mold element, configured, when used together with other lost mold elements, to create voids and to allow casting of beams, wherein:the lost mold element is made of recycled plastic material, has a main face, and has a shape of a hollow box substantially of flat prismatic shape, the lost mold element is formed from two half boxes, having main faces, an upper half box and a lower half box, removably joined together, the lost mold element having sides or lateral walls with profiles that define, together with other sides or lateral walls of the other lost mold elements, I-profiled channels for casing beams, and between the sides or lateral walls are positioned steel rod attachment and distribution supports for securing steel rods thereto for reinforcement of the I-profiled beams wherein the main faces have at least two grooves parallel to one another and parallel to an edge of the main face of the mold element, and a plurality of spacer feet, perpendicular to the main faces, arranged evenly on the surface of the main face of the mold element, each of said spacer feet having at least one flange with a recess for receiving one of the steel rods.