The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 2019
Filed:
Sep. 01, 2015
Safran Aircraft Engines, Paris, FR;
Franck Edmond Maurice Truelle, Moissy-cramayel, FR;
Claude Baldassari, Moissy-cramayel, FR;
David Locatelli, Eysines, FR;
Daniel Quach, Moissy-cramayel, FR;
Jean-Louis Martial Verger, Moissy-cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The invention relates to the field of casting, and more particularly to a method of producing a ceramic core () for casting, said core () presenting a shape that includes at least a first lateral protuberance (), and the method comprising at least a step of injecting a paste comprising a ceramic granulate and a polymer binder into a mold cavity In order to form a part () presenting a shape corresponding to the shape of the core () together with at least one additional lateral protuberance () adjacent to said first lateral protuberance (), a step of firing the part (), and a step of eliminating said additional lateral protuberance () from the part () after said firing step.