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:
May. 13, 2008
Filed:
May. 10, 2005
Arnaud Biramben, Paris, FR;
Christian Marty, Boulogne Billancourt, FR;
Patrice Ragot, Bessancourt, FR;
Jean-christophe Husson, Les Ulis, FR;
Franck Truelle, Argenteuil, FR;
Patrick Chevalier, Sannois, FR;
Serge Fargeas, Paris, FR;
Arnaud Biramben, Paris, FR;
Christian Marty, Boulogne Billancourt, FR;
Patrice Ragot, Bessancourt, FR;
Jean-Christophe Husson, Les Ulis, FR;
Franck Truelle, Argenteuil, FR;
Patrick Chevalier, Sannois, FR;
Serge Fargeas, Paris, FR;
Snecma, Paris, FR;
Abstract
A method of manufacture of a multilayer ceramic shell mould whereof at least one contact layer out of a wax master pattern or a part to be manufactured, or other similar material, includes a step of preparing a first slip containing ceramic particles and a binder; a step of dipping the master pattern in a first slip; a step of forming the contact layer, and a step of depositing sand particles particles onto the layer and drying the contact layer. The ceramic particles of the slip are mullite particles and the slip includes a texturing agent.