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:
Jul. 27, 2021
Filed:
Jul. 16, 2019
Applicant:
Citic Dicastal Co., Ltd., Hebei, CN;
Inventors:
Zuo Xu, Qinhuangdao, CN;
Guoyuan Xiong, Qinhuangdao, CN;
Huiying Liu, Qinhuangdao, CN;
Kuisheng Nie, Qinhuangdao, CN;
Xiao Liu, Qinhuangdao, CN;
Weidong Liu, Qinhuangdao, CN;
Assignee:
CITIC Dicastal CO., LTD., Qinhuangdao, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B21D 28/30 (2006.01); B21D 53/30 (2006.01);
U.S. Cl.
CPC ...
B21D 28/30 (2013.01); B21D 53/30 (2013.01); B23B 2215/08 (2013.01); F16C 2326/02 (2013.01);
Abstract
A tool-transition-free machining method includes: first, a primary turning is conducted, then holes are drilled out by a machining center, and finally a secondary turning is conducted.