A method of manufacturing a rubber article includes the steps of shaping a green article and blowing a solvent-free powdery release agent made of powder particles onto the green article in order to coat the green article with the release agent. The release agent contains at least 10% vulcanized rubber...http://www.google.es/patents/US5628956?utm_source=gb-gplus-sharePatente US5628956 - Method for manufacturing a rubber article
