A method for making an elastic roller for a pressing apparatus comprising a plurality of rollers to define at least one chamber therebetween comprises the step of: providing at least one cavity below the roller surface of said elastic roller in the region of at least one roller end for cooperation with...http://www.google.com.au/patents/US20030153443?utm_source=gb-gplus-sharePatent US20030153443 - Elastic roller for a pressing apparatus
