System and apparatus for assembling an inflatable insulation panel

A platen assembly for assembling an inflatable insulation panel having an envelope with an outer reflective surface and a plurality of internal films, each film being of a polymeric material and having a plurality of reflective surfaces thereon and spaced apart, said platen assembly comprising:

• at least one heating platen for supporting a first and second sheet of laminated material, at least one of which includes the outer reflective surface and an inner polymeric surface, and the internal films positioned between the first and second sheet, said heating platen for providing heat to seal the films to one another and to the first and second sheets;
• a first insulating layer positioned on the platen disposed between the platen and the first or second sheets wherein the first insulating layer comprises a first silicone rubber layer disposed between the platen and the first or second sheets and a second silicone rubber layer disposed between the first silicone rubber layer and the first or second sheets;
• a second insulating layer positioned between the heating platen and a support table below the heating platen;
• and
• a die press for applying pressure against the two sheets and films while the platen provides a source of heat wherein the die includes a plurality of ribs having a plurality of internal ribs aligned with gaps in the films between the spaced apart reflective surfaces and two external ribs positioned outside the internal ribs along the die press, parallel to the internal films, disposed at corresponding ends thereof for forming lateral seals extending the width of the panel at lateral ends of the panel.