Patent ID: 8608469

Claim:
A system for producing subregions having different properties in molded plastic skins, comprising: a heatable mold tool that forms plastic molded skins from deposited plastic material, at least one mask for selectively covering an area of the surface of the mold tool such that no plastic material is deposited onto the mold tool in the covered area, said mask configured as an energy self-sufficient mask, wherein an interior space of the mask includes a support, pressure cylinders with which a locking and a sealing action of the mask is effected, a locking bolt including spring-loaded pressure balls and a centering bushing disposed therein; an edge of the mask is configured as a sealing edge provided with an inflatable sealing element inflatable by one of the pressure cylinders and in an inflated state the sealing element is engaged with the sealing edge sealing the mask to the mold tool, wherein part of the sealing edge is in a plane which is different from a plane of the centering bushing, and wherein the surface of the mold tool includes a locking bushing and a centering pin for engagement with the corresponding locking bolt and the centering bushing in the mask respectively.