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:
Oct. 04, 1994
Filed:
Feb. 24, 1993
Applicant:
Inventors:
Thomas Margaria, Passy, FR;
Michel Rebiere, Passy, FR;
Assignee:
Pechiney Electrometallurgie, Courbevoie, FR;
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75526 ; 75772 ;
Abstract
A method for producing a composite wire for addition of solid products to metal baths in which the core comprises the addition products and a sheath of plastic material covers the core. The wire is produced by a coextrusion of the core and the sheath. The core comprises a mixture of a powder of addition product and a thermoplastic polymer powder, while the sheath comprises a thermoplastic polymer powder which can be the same as the thermoplastic of the core.