Patent ID: 9550336
Date: 2017-01-24
CPC Classifications: B29C,B29D,B29L,B31D,Y10T

Claim:
1. A process of making a sandwich-like product, said process comprising: extruding a web of material having spaced parallel walls in first and second planes, respectively, and a plurality of spacers, each of the spacers extending between the walls and being spaced from each other so as to define a plurality of flutes, each of the flutes having a rectangular shape in cross-section; cutting portions of the extruded web using movable tools on opposite sides of the extruded web to create a plastically deformed web; folding the plastically deformed web along transversely extending fold lines located generally in the first and second planes to create a plurality of blocks, each of the blocks containing a row of cells to create a middle core; applying generally planar outer skins to tops and bottoms of the cells of the middle core to create a multi-layered web; and cutting the multi-layered web.