Jigsaw puzzle material, for the pieces, has a picture layer on a carrier with a lower non-slip layer e.g. of synthetic fiber flocking, to lie on an underlay carrier with a similar non-slip surface

摘要

The material for a jigsaw puzzle has a layer (1) which carries the picture on a carrier (2). A non-slip layer (3) is under the carrier e.g. as a flocking with synthetic fibers. The underlay for the jigsaw puzzle is a carrier (5) with a similar non-slip layer (4) on its upper surface.