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:
Aug. 18, 2009
Filed:
Jun. 01, 2004
Herve Fraisse, Nevers, FR;
Thierry Waeckerle, Nevers, FR;
Yves Grosbety, Noisy le Grand, FR;
Lucien Coutu, London, GB;
Herve Fraisse, Nevers, FR;
Thierry Waeckerle, Nevers, FR;
Yves Grosbety, Noisy le Grand, FR;
Lucien Coutu, London, GB;
Imphy Alloys, Puteaux, FR;
Abstract
The invention concerns a ferromagnetic alloy whereof the chemical composition comprises, in wt. %: 32.5%≦Ni≦72.5%; 5%≦Cr≦18%; 0.01%≦Mn≦4%; C≦1%; optionally one or more elements selected among Mo, V, Co, Cu, Si, W, Nb and Al, the total contents of said elements being not more than 10%, the remainder being iron and impurities resulting from preparation, the chemical composition further satisfying the following relationships: Cr−1.1Ni+23.25≦0%; 45Cr+11Ni≦1360; Ni+3Cr≧60% if Ni≧37.5; Cr≧7.5 if Ni≦37.5. The invention also concerns the use of said alloy for making heating elements for induction heated cooking appliances.