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:
Dec. 01, 2020
Filed:
May. 18, 2019
Chunwei Zhang, Shandong, CN;
Chunwei Zhang, Shandong, CN;
Li Sun, Shandong, CN;
Other;
Abstract
An assemblable structural column joint connection using fiber-reinforced concrete filled round double steel tubes, including an outer high-strength round steel tube, an inner high-strength round steel tube and a round separation plate. The wedge-shaped teeth are provided at two sides of the outer and inner high-strength steel tubes, and wedge-shaped teeth spaced are uniformly distributed along circumferences of the inner and outer high-strength round steel tubes. The round separation plate includes a round plate provided with a central through-hole, and vertical separation walls are provided with on upper and lower surfaces of the round plate. The vertical separation walls are provided with wedge-shaped sliding grooves matching the wedge-shaped teeth. The inner and outer high-strength round steel tubes are fixedly connected to the round separation plate by matching the wedge-shaped teeth with the wedge-shaped sliding grooves.