Patent ID: 8371361
Filing Date: 2013-02-12
Classification: A44B,G03B,Y10T

Abstract:
1. A projection screen for reproducing projected images comprising a surface and connecting devices disposed on the surface, wherein the surface comprises a plastic material, wherein the connecting devices are welded to the plastic material of the surface and each connecting device comprises a latching part having a base and at least one side wall disposed on the base, and a connecting element made of a weldable polymer disposed on the base and the at least one side wall, wherein the latching part is a press stud lower portion and is made up of a metal material, wherein the connecting element is at least approximately cup-shaped and is intergral with a flat base having a flat, brim-shaped edge which projects laterally over the latching part, wherein the connecting element is welded with the edge onto the surface to form a connection between the connecting element and the surface without punching the surface so that an opening in the surface is not caused by the connection, and wherein an entire surface of the connecting element facing away from the latching part is welded to the surface of the projection screen.