A novel process for bonding a fluoropolymer to a metal surface, the process including flowing the fluoropolymer on the metal surface at a temperature at or above the transition temperature of the fluoropolymer and then holding the fluoropolymer at a temperature incrementally above the melting temperature...http://www.google.ca/patents/US5460661?utm_source=gb-gplus-sharePatent US5460661 - Process for bonding a fluoropolymer to a metal surface