METHOD AND APPARATUS FOR PRODUCING LAMINAR MATERIAL STRUCTURES BUILDING UP FROM BEARING LAYER OF CELL STRUCTURE AND AT LEAST ONE SURFACE LAYER

摘要

PCT No. PCT/SE87/00158 Sec. 371 Date Sep. 9, 1988 Sec. 102(e) Date Sep. 9, 1988 PCT Filed Mar. 27, 1987 PCT Pub. No. WO87/05861 PCT Pub. Date Oct. 8, 1987.Method and apparatus for manufacturing so-called sandwich structural elements in laminated materials, where a core (10) is provided with a covering layer (18) on at least one side. The core in the form of a solid or expandable material is advanced from above and downwards in a substantially vertical path, and the covering layer or layers (18) are pressed against, and joined to the core during continued vertical advance thereof from above and downwards.