A method of manufacturing a light-conductive pipe is described comprising the steps of: forming a light pipe mold having an elongated cavity with two optical end faces and an opening for injecting molten material into the cavity distant from either optical end face; providing molten material from a supply...http://www.google.fr/patents/US7197218?utm_source=gb-gplus-shareBrevet US7197218 - Light pipe with molded optical surfaces
