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. 14, 2023
Filed:
Nov. 21, 2019
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Inventors:
Young-Rae Jo, Hwaseong-si, KR;
Hyo-Moon Joo, Seoul, KR;
Min-Soo Kim, Seoul, KR;
Ji-Yong Lee, Seoul, KR;
Assignees:
HYUNDAI MOTOR COMPANY, Seoul, KR;
KIA MOTORS CORPORATION, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 19/00 (2006.01); B22C 9/10 (2006.01); B22D 17/00 (2006.01); C22C 21/02 (2006.01);
U.S. Cl.
CPC ...
B22D 19/0072 (2013.01); B22C 9/10 (2013.01); B22D 17/00 (2013.01); C22C 21/02 (2013.01);
Abstract
A method of forming a casting with a flow passage may include filling a tubular pipe with a filler to form a smart core; inserting the smart core into a mold having a cavity corresponding to a shape of the casting to be formed; injecting a molten metal into the cavity through a casting process; and removing the filler from the smart core, wherein a hardness of the tubular pipe is 70 Hv or more.