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:
Mar. 12, 2002
Filed:
Sep. 25, 2000
Eric Perrin, Aix en Provence, FR;
Gèrard Perrin, Kuntzig, FR;
Cosimo Salaris, Montigny les Metz, FR;
Howard Weisseldinger, Rombas, FR;
Other;
Abstract
The invention concerns an ingot mould comprising in succession, in the direction for extracting the metallic product to be cast ( ): a preheater ( ) made of noncooled refractory material acting as reservoir for the melting metal to be cast and a standard cooled tubular metal element ( ) for solidifying the metal. A slot ( ) for injecting the shearing gas (for example Ar) is arranged between the preheater ( ) and the metal clement ( ) so as to emerge on the ingot mold internal periphery. The injection slot comprises means ( ) for reducing the gas flow in each of the ingot mold angles, preferably formed by obstructing elements. The invention enables to reduce, even eliminate, defects encountered along the edges of the solidified cast products.