20090044913 | DEVICE AND METHOD FOR JOINTING PLASTICS MATERIALS - A jointing strip for jointing by welding at least two portions of a plastics material or of two different plastics materials includes a substantially H-shaped plastic member with apertures defined by opposing jaw portions. Electrically conductive elements, for example foil portions, are located at or near to a surface in the apertures of the respective jaw portions. The edge portions of the plastics materials to be welded are inserted in the apertures. | 02-19-2009 |