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. 07, 1978
Filed:
Oct. 18, 1976
Applicant:
Inventors:
John A Thornton, Los Angeles County, CA (US);
Thomas A Compton, Butler County, OH (US);
Assignee:
Armco Steel Corporation, Middletown, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427349 ; 427431 ; 427433 ; 118 63 ;
Abstract
A method of finishing a molten metallic coating on metallic strip wherein an elongated subsonic fluid jet, preferably ambient air, is impinged across the molten coating on the upwardly moving strip, the narrow dimension of the jet being increased progressively from the center to each end thereof by contouring the nozzle orifice through which the jet is discharged, adjusting the distance from the nozzle orifice to the strip relative to the narrow dimension of the orifice adjacent the strip edge to satisfy the relation Z.sub.o = .phi.d where