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:
Sep. 02, 2025
Filed:
Dec. 15, 2021
Dalian University of Technology, Dalian, CN;
Yanli Lin, Dalian, CN;
Hang Yuan, Dalian, CN;
Haihui Zhu, Dalian, CN;
Zhubin He, Dalian, CN;
Shijian Yuan, Dalian, CN;
DALIAN UNIVERSITY OF TECHNOLOGY, Dalian, CN;
Abstract
A forming method of a deep cavity thin-walled metal component with extremely small fillet radius is provided. In the forming method of a deep cavity thin-walled metal component with extremely small fillet radius, a global cavity is formed by deep drawing by means of a rigid die, an extremely small fillet is formed by means of aextrusion/pushing die, so that the deep drawing process is independent of the extremely small fillet forming process, and the problems of wrinkling, cracking and the like in the process of forming the two simultaneously are avoided. Thus, the problem that the extremely small fillet is difficult or impossible to form can be solved.