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. 27, 2021
Filed:
Nov. 29, 2018
Citic Dicastal Co., Ltd., Hebei, CN;
Citic Bohai Aluminum Industries Holding Co., Ltd, Hebei, CN;
Guoyuan Xiong, Qinhuangdao, CN;
Youdao Xing, Qinhuangdao, CN;
Xiaowei Sun, Qinhuangdao, CN;
Yongze Kang, Qinhuangdao, CN;
Wei Liu, Qinhuangdao, CN;
CITIC Dicastal CO., LTD., Qinhuangdao, CN;
CITIC BOHAI aluminum industries holding Co., LTD, Qinhuangdao, CN;
Abstract
A device for fixing a metal tube with a plate by expansion includes a pressure head, a jacket and an expansion block. The jacket is of a cylindrical structure having a bottom and provided with a plurality of openings on the side having the bottom and near the bottom, and threads are provided on inner wall of jacket; threads are provided on outer wall of pressure head, and threads on outer wall of pressure head are matched with threads on inner wall of jacket; a cone head is fixed below pressure head and has an outer surface in an inverted cone shape; the expansion block has an inner surface in an inverted cone shape, a plurality of extrusion heads are arranged on outer surface and pass through openings on the side of the jacket; and inner surface of the expansion block is fitted with outer surface of the cone head.