Patent ID: 11873684
Assignee: SF DIAMOND CO., LTD.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 7:
8. The polycrystalline diamond compact of claim 7, wherein an included angle between the each of the plurality of cutting removal grooves and the side wall is greater than 90°, where the included angle between the each of the plurality of cutting removal grooves and the side wall is an angle formed between a third straight line and a fourth straight line, where the third straight line is in a plane of symmetry of the each of the plurality of cutting removal grooves and passes through the center point of the center part and a point where the second end of the each of the plurality of cutting removal grooves intersects with the plane of symmetry of the each of the plurality of cutting removal grooves, and the fourth straight line is parallel to the side wall and intersects with the third straight line.