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. 21, 2021
Filed:
Dec. 04, 2018
Taiyuan University of Technology, Shanxi, CN;
Zhixin Jin, Shanxi, CN;
Chunwang Zhang, Shanxi, CN;
Guorui Feng, Shanxi, CN;
Xuanmin Song, Shanxi, CN;
Shengyong Hu, Shanxi, CN;
Yujiang Zhang, Shanxi, CN;
Tingye Qi, Shanxi, CN;
Zhen Li, Shanxi, CN;
Taiyuan University of Technology, Taiyuan, CN;
Abstract
A rock sanding device includes a base, a bottom sanding plate, an adjustable connecting rod, an elastic loader, a connector, a side sanding brush, a top sanding plate, an inner rod, a prong and a drill rod. The top of the drill rod is fixedly connected with the rotating shaft of the external water drilling rig and the external water drilling rig has a water inlet joint to introduce water into the drill rod. The inner rod and drill rod are connected and fixed coaxially, and the bottom of the drill rod is symmetrically welded with four prongs. The rock specimen is placed in the center of the side sanding brush. The top sanding plate and the bottom sanding plate are provided in the top side and bottom side of the rock specimen, respectively.