A label for a container is formed by wrapping a length of label material around a cylindrical mandrel and introducing heat, adhesive or other sealing means into a gap between the leading end portion of the label material and the trailing end portion as the label material is wrapped around the mandrel....http://www.google.es/patents/US7875143?utm_source=gb-gplus-sharePatente US7875143 - Method and apparatus for labeling containers
