A process for joining plastic components comprises using a laser. A primary, thin walled plastic component is formed, which absorbs laser light, and which has a quality surface. The thin walled plastic is welded to a second plastic which is transparent to ...

A process for producing a weakening line with a low opening resistance, in an air bag cover, comprises forming a row of blind holes (4) in a material composed of a carrier layer (1), a foam layer (2) and a decorative layer (3). A process for producing a we...