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. 09, 2025
Filed:
Oct. 16, 2020
Eve Energy Co., Ltd., Guangdong, CN;
Huihui Deng, Guangdong, CN;
Lang Cao, Guangdong, CN;
Peiling Sun, Guangdong, CN;
Pingao Wang, Guangdong, CN;
Jun Zhang, Guangdong, CN;
Yuan Zhu, Guangdong, CN;
Jianhua Liu, Guangdong, CN;
Jincheng Liu, Guangdong, CN;
EVE ENERGY CO., LTD., Guangdong, CN;
Abstract
An extrusion head () for molding a pole piece and a molding device comprising same, and a molding method and a preparation method therefor. The extrusion head () comprises an extrusion head () housing, and a through extrusion channel () is provided inside the extrusion head () housing in an extrusion direction; and the extrusion channel () is divided into a transition cavity () and a molding cavity () that are in sequential butt joint and communication in the extrusion direction, and the diameter of the annular surface of the inner wall of the transition cavity () is gradually reduced in the extrusion direction.