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

Claim 6:
7. The polycrystalline diamond compact of claim 1, wherein an included angle between the each of the plurality of cutting edges and the side wall is greater than 90°, where the included angle between the each of the plurality of cutting edges and the side wall is an angle formed between a first straight line and a second straight line; the first straight line is in a plane of symmetry of the each of the plurality of cutting edges and passes through a center point of the center part and a point where the second end of the each of the plurality of cutting edges intersects with the plane of symmetry of the each of the plurality of cutting edges, and the second straight line is parallel to the side wall and intersects with the first straight line.