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:
Feb. 01, 2022
Filed:
Jun. 29, 2018
Safran Aircraft Engines, Paris, FR;
Serge Alain Fargeas, Moissy-Cramayel, FR;
Serge Tenne, Moissy-Cramayel, FR;
Dominique Coyez, Moissy-Cramayel, FR;
Safran Aircraft Engines, Paris, FR;
Abstract
The invention relates to the foundry field, and in particular to a foundry process comprising the preheating of a mold () up to a first temperature, the casting of a metal in the liquid state, at a second temperature above the first temperature, in the mold kept in a main furnace () at the first temperature since the preheating, the difference between the first temperature and second temperature being no more than 80° C., the cooling and solidification of the metal in the mold () kept in the main furnace () at a pressure of less than 0.1 Pa at least since the casting, the removal of the mold () from the main furnace (), and the demolding of the solidified metal.