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:
Nov. 27, 1990
Filed:
Jan. 02, 1990
Applicant:
Inventor:
Paul D Tungatt, Middletown, CT (US);
Assignee:
Olin Corporation, New Haven, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ; B22D / ;
U.S. Cl.
CPC ...
164459 ; 164418 ; 164485 ; 1643381 ; 164900 ; 222592 ;
Abstract
A method and apparatus for casting a grain refined ingot from a metallic melt supplied to a casting mold through a feed tube. The feed tube is provided with at least one cooling passageway through which a cooling fluid cyclically flows to form a zone of fine dendrites on the inner peripheral surface of the mold. An inductor is provided to reheat the zone of fine dendrites to detach dendrite arms into the melt which serve as nuclei for grain refinement as the melt solidifies into a cast ingot in the mold.
Tungatt, Paul. (1990). Method and apparatus for casting grain refined ingots (U.S. Patent No. 4972899). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4972899
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile