Patent ID: 8308885
Filing Date: 2012-11-13
Classification: B31D,Y10T

Abstract:
1. A process of making a multi-layered product comprising, in any desired order: moving a generally planar web of material in a first direction; treating spaced sections of the generally planar web of material to create in each treated section a generally corrugated profile with flattened peaks and flattened valleys joined by connecting portions of the web, said flattened peaks and flattened valleys extending in the first direction; folding the treated sections to create a honeycomb core sections; temporarily stopping the treatment while allowing the generally planar web of material to continue its movement in the first direction between treatments; and applying outer skins to multiple spaced honeycomb core sections so the multi-layered product has gaps between adjacent honeycomb core sections, said gaps comprising untreated sections of the web.