INSULATING PANEL, PROCESS AND APPARATUS FOR MANUFACTURING THEREOF, WITH EXPANSIBLE RESIN SPRAYING

摘要

There is disclosed an insulating panel (20) and a method for continuous manufacturing thereof, wherein a polyurethane expansible resin (13) of the quick-reaction type is sprayed on a strip (4); after the sprayed resin has expanded, another resin (17) is poured in liquid condition, thereby obtaining the insulating core of the panels. The invention also concerns the apparatus for carrying out the method.