Title:
METHOD FOR THE PRODUCTION OF A HOLLOW METAL PART BY MEANS OF CASTING
Document Type and Number:
WIPO Patent Application WO/2013/156713
Kind Code:
A3
Abstract:
The invention relates to a method for the production of a hollow metal part by means of casting, said method comprising the following steps of: providing a destructible core (20) having a body (22) made from aggregates, and an outer shell (40) which surrounds the body (22) and is adhered thereto; placing the core (20) in a mould (50); melting and injecting liquid metal, generally under pressure, into the mould (50) around the core, said core (20) forming an inner space in the part; after solidification of the part, disaggregating the body and removing same through outlets provided in the outer shell and the part; and destroying the outer shell and removing same through outlets provided in the part.
Inventors:
LONGA YVES (FR)
DE RUFFRAY JEAN (FR)
DE RUFFRAY JEAN (FR)
Application Number:
PCT/FR2013/050792
Publication Date:
April 10, 2014
Filing Date:
April 11, 2013
Export Citation:
Assignee:
C T I F CT TECH DES IND DE LA FONDERIE (FR)
International Classes:
B22C9/10
Foreign References:
| EP1170496A1 | 2002-01-09 | |||
| JPH02280944A | 1990-11-16 | |||
| EP0256609A2 | 1988-02-24 | |||
| DE2505093A1 | 1976-08-19 |
Attorney, Agent or Firm:
BESNARD, Christophe et al. (158 Rue de l'Université, Paris Cedex 07, FR)
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