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. 28, 2020
Filed:
Dec. 31, 2014
Shenzhen Tatfook Quaintfab Co., Ltd, Shenzhen, Guangdong, CN;
SHENZHEN TATFOOK QUAINTFAB CO., LTD., Shenzhen, Guangdong, CN;
Abstract
The present disclosure provides a manufacturing method and a manufacturing apparatus for an USB interface metal casing. The manufacturing method for an USB interface metal casing includes: feeding a flat-shaped pipe blank to a lower mold (S); closing a first upper mold and the lower mold, and performing pipe-expansion forming to a bottom of the pipe blank (S); closing a second upper mold and the lower mold, and performing necking and chamfering to a top port of the pipe blank (S); and closing a third upper mold and the lower mold, and modifying the pipe blank to obtain a final finished product of the USB interface metal casing (S).