A method of investment casting a metallic article comprises providing on a fugitive pattern of the article to be cast a relief pattern representing a unique part identification number, investing the pattern in a shell mold, removing the pattern from the shell mold, and introducing molten metallic material...http://www.google.fr/patents/US20020114701?utm_source=gb-gplus-shareBrevet US20020114701 - Method of investment casting with casting identification
Method of investment casting with casting identification
Numéro de demande: 09/790,993 Numéro de publication: US 2002/0114701 A1 Date de dépôt: 22 févr. 2001 Brevet délivré: US6582197 ( Date de délivrance 24 juin 2003)
