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. 31, 2019

Filed:

Feb. 22, 2016
Applicant:

Jiangsu University of Science and Technology Industrial Technology Research Institute of Zhangjiagang, Jiangsu, CN;

Inventors:

Wenxian Tang, Jiangsu, CN;

Jian Zhang, Jiangsu, CN;

Hui Zhu, Jiangsu, CN;

Hongcai Lin, Jiangsu, CN;

Qinfeng Li, Jiangsu, CN;

Yang Zhang, Jiangsu, CN;

Shijie Su, Jiangsu, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21D 7/04 (2006.01); B21D 7/00 (2006.01);
U.S. Cl.
CPC ...
B21D 7/04 (2013.01); B21D 7/00 (2013.01);
Abstract

A bending mold device for bidirectional pipe bending includes a mounting base which is horizontally arranged on a rack in a sliding manner. The mounting base includes a translation lead screw driving the mounting base to slide. The rack includes a lead screw nut. A pipe bending spindle is rotatably disposed on the mounting base and a power mechanism is disposed on the mounting base. The upper end of the pipe bending spindle is movably connected to a lower rotating base. The lower rotating base includes a first pipe bending shaft and a second pipe bending shaft, which respectively include a first bending mold lower mold and a second bending mold lower mold. The rack includes a cylinder above the lower rotating base. The end part of a piston rod of the cylinder fixedly includes an upper limiting plate and a lower limiting plate in a sleeving manner.


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