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:
Aug. 29, 2023
Filed:
Sep. 25, 2019
Assoma Inc., Taoyuan, TW;
Chih-Hsien Shih, Taoyuan, TW;
Chih-Kuan Shih, Taoyuan, TW;
Huan-Jan Chien, Hsinchu County, TW;
Shu-Yen Chien, Pingtung, TW;
Chin-Cheng Wang, Yilan County, TW;
Yuan Hung Lin, Taoyuan, TW;
Peng-Hsiang Chen, Taichung, TW;
ASSOMA INC., Taoyuan, TW;
Abstract
The disclosed embodiment is related to a manufacturing method of a die-formed 3-dimensional plastic impeller of a centrifugal pump and the impeller manufactured thereby, including a mold for twisted blade and a mold for impeller outlet, the mold for twisted blade is configured to form a twisted blade portion of each blade of the impeller, the mold for impeller outlet is configured to form a rear portion of each blade, a hub rim part of the impeller, and a shroud rim part of the impeller so that the hub rim part, the shroud rim part, and the blades are formed in a single piece at the same molding process.