Patents Assigned to BEIJING GRISH HITECH CO., LTD.
  • Patent number: 10272538
    Abstract: An abrasive product with a concave-convex structure includes laminated three planar layers and an abrasive layer with a concave-convex structures located on an upper surface of the three planar layers. The abrasive layer with a concave-convex structure is an array of abrasive blocks, and a groove serving as chips discharging groove is formed between each two adjacent abrasive blocks. The abrasive block includes a binder and abrasive grains distributed in the binder.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: April 30, 2019
    Assignee: Beijing Grish Hitech Co., Ltd.
    Inventors: Bingli Guo, Feifei Sheng
  • Publication number: 20150239090
    Abstract: An abrasive product with a concave-convex structure includes laminated three planar layers and an abrasive layer with a concave-convex structures located on an upper surface of the three planar layers. The abrasive layer with a concave-convex structure is an array of abrasive blocks, and a groove serving as chips discharging groove is formed between each two adjacent abrasive blocks. The abrasive block includes a binder and abrasive grains distributed in the binder.
    Type: Application
    Filed: August 8, 2013
    Publication date: August 27, 2015
    Applicant: BEIJING GRISH HITECH CO., LTD.
    Inventors: Bingli Guo, Feifei Sheng