Patent ID: 9186838
Filing Date: 2015-11-17
Classification: B05D,B23K,B29C,B29K,B29L,F16L

Abstract:
1. An apparatus for coating a pipe or a section of a pipe with a polymer layer, comprising: an applicator for applying polymer melt on the surface of a pipe or a pipe section; a roller for pressing the polymer applied by the applicator towards the pipe or the pipe section, the roller having a central axis; means for circumferentially moving the applicator and the roller around a periphery of the pipe or the pipe section at a circumferential speed,; and a drive for rotating the roller actively around a central axis of the roller as the roller moves around the periphery of a pipe or the pipe section, wherein the drive for rotating the roller is configured to actively rotate the roller at a rotating speed that is essentially equal to the circumferential speed.