| abstract |
A method is provided of applying an article such as a tape (2) to an elongate substratensuch as a metal pipe (1). The article comprises a heat activatable adhesive (4) and isnwrapped around the pipe. The tape and pipe are heated by applying a highnfrequency alternating magnetic field thereto, such that the ratio of the thickness ofnthe pipe wall to the skin depth is at least 25:1. |