Improvements in the procedure of plastic sandwiches with structured or integrated sponge mass. (Machine-translation by Google Translate, not legally binding)

摘要

"IMPROVEMENTS IN THE PROCEDURE OF INJECTION OF PLASTIC SANDWICHES WITH STRUCTURED OR INTEGRATED SPONGE MASS", characterized in that it consists of a piston that acts as a sprue; of a complementary core consisting of a distributor and a support on it for the injection lines, consisting of two separate units loaded with two different kinds of plastic, one structural as a wrapping film and another spongy, expandable or expandable structure or integrable in the First. (Machine-translation by Google Translate, not legally binding)