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:
Jul. 03, 2018
Filed:
Jun. 13, 2017
Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, Hubei, CN;
Hui Zhou, Hubei, CN;
Jingjing Lu, Hubei, CN;
Dawei Hu, Hubei, CN;
Chuanqing Zhang, Hubei, CN;
Yue Jiang, Hubei, CN;
Lei Huang, Hubei, CN;
Fanjie Yang, Hubei, CN;
Yong Zhu, Hubei, CN;
Yang Gao, Hubei, CN;
Abstract
The present invention belongs to the technical field of rock mechanics testing equipment, and discloses a rock hollow cylinder torsional shear apparatus which includes a frame, a lifting device, a bottom seat, a confining pressure barrel, an upper seat, a force transmission shaft, a force transmission shaft holder, a torque application structure and a controller. The present invention provides a torsional shear apparatus capable of avoiding mutual interference between axial force application and torque force application.