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. 02, 2002
Filed:
Jun. 14, 2000
Applicant:
Inventors:
Michael R. Thomas, Effingham, IL (US);
Robert H. Bessemer, Pittsburgh, PA (US);
Assignee:
The Conair Group, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D 2/500 ; B29C 7/100 ;
U.S. Cl.
CPC ...
F25D 2/500 ; B29C 7/100 ;
Abstract
A method and apparatus for using vaporized liquid cryogen to cool articles, particularly extrusions, utilizing dispersion of liquid cryogen into a chamber wherein it is substantially vaporized and then circulated through cooling circuits in a tool for cooling the tool, or an article such as an extrusion which is to be cooled by the tool. Additionally, the tool may itself be disposed in a cooling chamber in which vaporized cryogen is circulated to cool the tool and the article.