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:
Oct. 02, 2007
Filed:
Aug. 11, 2005
Applicants:
Didier Guerche, Conflans Ste Honorine, FR;
Jacky Pierre Tabardin, Villiers le Bel, FR;
Inventors:
Didier Guerche, Conflans Ste Honorine, FR;
Jacky Pierre Tabardin, Villiers le Bel, FR;
Assignee:
SNECMA, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
B22C 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the manufacture of a part includes the steps of forming a core in a ceramic material, inserting the core into in a wax mold, placing an element on the core thereby forming a spacer between the core and an internal wall of the wax mold, forming a wax model of the part with the core by injecting wax into the mold, forming a shell mold in ceramic material from the wax model, removing the wax, and pouring casting metal into the shell mold, wherein the element is of elongated form and placed on the core in a laying position.