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.

Date of Patent:
Dec. 07, 2021

Filed:

Mar. 09, 2018
Applicant:

Guangdong Everwin Precision Technology Co., Ltd., Dongguan, CN;

Inventors:

Xiangsheng Ren, Dongguan, CN;

Lidong Wang, Dongguan, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 39/03 (2006.01); B21D 51/16 (2006.01); H04M 1/02 (2006.01);
U.S. Cl.
CPC ...
B21D 51/16 (2013.01); H04M 1/026 (2013.01);
Abstract

The present disclosure relates to a process of machining a metal middle frame, which includes the following steps of: obtaining a sheet material and cutting the sheet material into a linear profile; performing a finish machining to the linear profile; bending the linear profile after the finish machining, obtaining a metal border frame with an R angle; welding the metal border frame; and placing the metal border frame after the welding in a die-casting mold, providing a die-casting metal liquid, thereby obtaining a die-cast middle plate connected to the metal border frame, so as to form the metal middle frame.


Find Patent Forward Citations

Ren, Xiangsheng. (2021). Metal middle frame machining process (U.S. Patent No. 11192169). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11192169

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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