PIR/PUIR/PUR METHOD AND APPARATUS FOR THE CONTINUOUS PRODUCTION OF PIR/PUIR/PUR FOAM CORED SANDWICH PANELS

摘要

The present invention provides a continuous method of manufacturing a PIR / PUIR / PUR foam cored sandwich panel (12) having metal sheets (16, 18) at the top and bottom, wherein the top metal sheet (16) The metal sheet 18 is continuously fed into the double belt 28 and the PIR / PUIR / PUR core material is applied between the upper metal sheet 16 and the lower metal sheet 18 and the adhesive is applied to the lower metal sheet 18 And a portion of the adhesive applied to the lower metal sheet 18 is applied to the upper metal sheet 16 by a rotating brush. The present invention further provides a continuous manufacturing apparatus 10 for a PIR / PUIR / PUR foam cored sandwich panel 12 having metal sheets 16, 18 as surface portions at the top and bottom.;