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:
Mar. 03, 2026
Filed:
Jul. 20, 2023
Guizhou University, Guiyang City, CN;
Peng Pei, Guiyang City, CN;
Yumeng Wang, Guiyang City, CN;
Yixia Chen, Guiyang City, CN;
Fengqiang Deng, Guiyang City, CN;
Guizhou University, Guizhou Province, CN;
Abstract
Disclosed are a device and a method for simulating and testing slump of a backfill material in a vertical borehole of a closed-loop. The device includes a lower pipe body, an upper pipe body, a cushion layer, and a press platen. The lower pipe body and the upper pipe body are coaxial and have the same inner diameter. An upper end of the lower pipe body is provided with a first outer flange, a lower end of the upper pipe body is provided with a second outer flange, and the first outer flange is fixedly connected to the second outer flange. The cushion layer is disposed between the first outer flange and the second outer flange to form a gap between the first outer flange and the second outer flange for simulating a strata fracture.