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:
Apr. 29, 2003
Filed:
Dec. 13, 2000
Applicant:
Inventor:
Paul Francis Stratton, West Yorkshire, GB;
Assignee:
The BOC Group, plc, Windlesham, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D 1/613 ; C21D 1/667 ;
U.S. Cl.
CPC ...
C21D 1/613 ; C21D 1/667 ;
Abstract
A method for quenching a heated metallic object includes discharging a plurality of discrete gas streams from a plurality of nozzle outlets so that the gas streams impinge substantially uniformly over the outer surface of the object, the distance between each nozzle outlet and the outer surface of the object against which the associated gas stream impinges is less than or equal to half the diameter of the nozzle outlet.