Fabrication of pieces of puzzles with refractive image lenses consists of hot forming of a bonded rigid and sectioned block

摘要

The fabrication of pieces of puzzles with refractive image lenses comprises e.g. hot welding of a flexible sheet to a lens having images (1), rigid adhesive (3) and a rigid e.g. wood support. Also claimed is the product of the process. CLAIMED PRODUCT - The product is of rigid regular or irregular shape and can be sectioned.