Patents Assigned to GUIZHOU ESTONDARD CO., LTD
  • Stone composite board and processing method
    Patent number: 11660907
    Abstract: According to a processing method of a stone composite board, the two sides of a natural stone board are ground and flattened until a preset standard value of thickness variation is reached, then the surface planes and base material layers are subjected to pressure-compositing through adhesive layers, afterwards splitting is conducted, and the natural stone layer is subjected to calibrated planing with diamond roller and surface treatment to obtain the ultra-thin stone composite board.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: May 30, 2023
    Assignee: GUIZHOU ESTONDARD CO., LTD
    Inventor: Zuoxiang Li