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:
Feb. 04, 2025

Filed:

May. 24, 2023
Applicant:

Navac Inc., Lyndhurst, NJ (US);

Inventor:

Yourong Jiang, Zhejiang, CN;

Assignee:

NAVAC Inc., Lyndhurst, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 41/02 (2006.01); B21D 19/04 (2006.01); B21D 39/12 (2006.01); B25F 5/02 (2006.01); H02K 7/08 (2006.01); H02K 7/116 (2006.01); H02K 7/14 (2006.01);
U.S. Cl.
CPC ...
B21D 41/028 (2013.01); B21D 19/046 (2013.01); B21D 39/12 (2013.01); B21D 41/023 (2013.01); B25F 5/02 (2013.01); H02K 7/081 (2013.01); H02K 7/1166 (2013.01); H02K 7/145 (2013.01);
Abstract

An electric pipe expander and intelligent control circuit for the electric pipe expander are provided. The electric pipe expander includes a pipe expander body and a mandrel sliding cavity disposed on the pipe expander body. A chuck body capable of clamping a pipe to be processed is disposed at an opening end of the mandrel sliding cavity. A mandrel is slidingly connected in the mandrel sliding cavity, an outer side end of the mandrel is provided with an obliquely disposed pipe expanding cone, an inner side end of the mandrel is provided with an elastic body accommodating cavity. Flat keys are disposed on the mandrel, and an elastic body is clamped and disposed between the flat keys and a bottom surface of the elastic body accommodating cavity.


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Jiang, Yourong. (2025). Electric pipe expander (U.S. Patent No. 12214402). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12214402

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