DISPOSITIVO PARA SOLDAR CINTAS SOBREPOSTAS DE MATERIAL SINTETICO TERMOPLASTICO

摘要

Apparatus for the welding of strips of thermoplastic material lying on top of each other which enables varying of the welding area and wherein the contact area between the jaws and the strip is larger than the welding area. One jaw is fixed and the other jaw is swingable about a vertical axis through the strip while in pressure engagement with the ends of the strips to be welded.