Title:
HOLLOW THREADED STEEL BAR AND CONCRETE STRUCTURE USING HOLLOW THREADED STEEL BAR
Document Type and Number:
WIPO Patent Application WO/2021/114558
Kind Code:
A1
Abstract:
Provided is a hollow threaded steel bar, which has an outer diameter of Φ and a thickness of 0.8-2mm, suppose that the outer diameter of a conventional solid threaded steel bar is D, and the range of Φ/D is between 1.07-1.25, the thickness of the hollow threaded steel bar increases with the outer diameter of Φ; the hollow threaded steel bar has a strength greater than or equal to the strength of the solid threaded steel bar and a weight of 1/3-1/4 of the solid threaded steel bar. The hollow threaded steel bar saves steel consumption, and reduces the concrete structural cost.
Inventors:
ZHAI PING (CN)
Application Number:
PCT/CN2020/088962
Publication Date:
June 17, 2021
Filing Date:
May 07, 2020
Export Citation:
Assignee:
ZHENGZHOU GUDEYONG CONSTRUCTION EQUIPMENT LEASING CO LTD (CN)
International Classes:
E04C5/03
Foreign References:
| CN110924593A | 2020-03-27 | |||
| CN201391047Y | 2010-01-27 | |||
| CN201391047Y | 2010-01-27 | |||
| JP2001207589A | 2001-08-03 | |||
| JP2001207589A | 2001-08-03 | |||
| CN105950989A | 2016-09-21 | |||
| CN107747045A | 2018-03-02 |
Attorney, Agent or Firm:
BEIJING JINYANCHENGXIN INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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