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. 07, 2026
Filed:
Oct. 07, 2022
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Ha Yong Lee, Whasung-Si, KR;
Ju Il Kim, Whasung-Si, KR;
Se Young Kim, Whasung-Si, KR;
Eui Hwan Son, Whasung-Si, KR;
Min Woo Chu, Whasung-Si, KR;
Ji Won Choi, Whasung-Si, KR;
Su Jeong Kang, Whasung-Si, KR;
Kyuyoung Lee, Whasung-Si, KR;
Young Rok Yoon, Whasung-Si, KR;
Keon Chul Lee, Whasung-Si, KR;
Sukjoo Hong, Whasung-Si, KR;
Tae-Oh Kwon, Whasung-Si, KR;
Hyundai Motor Company;, Seoul, KR;
Kia Corporation, Seoul, KR;
Abstract
An injection mold apparatus of a pressure vessel includes an upper mold including an internal surface in a shape corresponding to a shape of an external surface of the pressure vessel provided with a nozzle with a closed inlet; a lower mold including an external surface in a shape corresponding to the shape of the internal surface of the pressure vessel, engaged with the upper mold, and formed with an air injection passage therein; an ejector injecting air through the air injection passage between the lower mold and the taken-out pressure vessel; an air injection rate setting device configured for controlling an injection rate of the air injected between the lower mold and the pressure vessel using the ejector; and a pneumatic controller interlocking with the air injection rate setting device and controlling a pressure of air injected.