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:
Aug. 10, 2021
Filed:
Mar. 20, 2018
China University of Mining and Technology, Xuzhou, CN;
Shengqi Yang, Xuzhou, CN;
Wenling Tian, Xuzhou, CN;
Pengfei Yin, Xuzhou, CN;
Xiangru Liu, Xuzhou, CN;
Sen Wen, Xuzhou, CN;
CHINA UNIVERSITY OF MINING AND TECHNOLOGY, Xuzhou, CN;
Abstract
A sealing pressing head for a conventional triaxial test of cuboid rocks with pre-existing fissures, and a test method, the sealing pressing head comprising an upper pressing head () and a lower pressing head (); the upper pressing head () and the lower pressing head () are respectively used for being provided at upper and lower ends of a test sample (); the upper pressing head () comprises a circular portion () and a square portion () which are provided in sequence from top to bottom; and the lower pressing head () comprises a square portion (), a circular portion () and a threaded portion () which are provided in sequence from top to bottom.