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. 01, 2022
Filed:
Oct. 11, 2019
Himile Mechanical Science and Technology (Shandong) Co., Ltd., Shandong, CN;
Wei Zhang, Shandong, CN;
Wanli Wang, Shandong, CN;
Ping Du, Shandong, CN;
Riwen Sun, Shandong, CN;
Jian Li, Shandong, CN;
Lixin Feng, Shandong, CN;
Yizhao Zang, Shandong, CN;
Abstract
A venting device and a tire mold are disclosed for use in a tire vulcanization process. The venting device includes a core shaft and a sleeve sleeved over the core shaft, a venting passage is formed between the sleeve and the core shaft, the core shaft includes a shaft body, one end of the shaft body is connected to a shaft head, the other end of the shaft body is connected to a shaft end piece provided with a groove extending through the shaft end piece, and an end of the groove facing away from the shaft head is closed. The shaft end piece is used for axially stopping the shaft body, and the shaft end piece is further used for assembling the sleeve and the core shaft by contracting and springing back.