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:
Apr. 27, 2021
Filed:
Jul. 21, 2017
Applicants:
Safran, Paris, FR;
Safran Aircraft Engines, Paris, FR;
Inventors:
Wen Zhang, Moissy-Cramayel, FR;
Patrice Henri Claude Ragot, Moissy-Cramayel, FR;
Assignees:
SAFRAN, Paris, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C 1/16 (2006.01); B22C 1/08 (2006.01); B22C 9/04 (2006.01);
U.S. Cl.
CPC ...
B22C 1/165 (2013.01); B22C 1/08 (2013.01); B22C 9/04 (2013.01);
Abstract
The invention concerns a method of manufacturing a shell mould () with several layers (), including at least one contact layer (), from a model () of wax or other similar material of a part to be manufactured, the method comprising a step of dipping the model () into a contact slip forming the contact layer () and comprising an inorganic or organic binder and a powder, wherein the powder is a mullite-zirconia composite.