Polycrystalline diamond and CBN cutting tools
February 27, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3369283 3743489 3745623 Cutting element for processing rocks, metal or the like Composite compact of interleaved polycrystalline particles and cemented carbide masses Compact of boron-doped diamond and method for making same Drill bit Cutting tool Cutting insert having unique cross section Cutting blank with diamond strips in grooves Patent #: 4592433 InventorApplicationNo. 06/833928 filed on 02/27/1986US Classes:407/119, COMPRISING TOOL OF SPECIFIC CHEMICAL COMPOSITION125/39, Diamond407/118, COMPRISING CUTTING EDGE BONDED TO TOOL SHANK76/101.1, BLANK OR PROCESS76/115Rotary cutterExaminersPrimary: Schmidt, Frederick R.Assistant: Terrell, William E. Attorney, Agent or FirmInternational ClassesB22F 7/06 (20060101)B23B 27/14 (20060101) B23P 5/00 (20060101) B23P 15/28 (20060101) AbstractA cutting tool comprised of a polycrystalline layer of diamond or cubic boron nitride integrally adhered to a recessed edge portion of a cemented carbide substrate structure, said layer having a tool nose of a given radius joining two substantially straight cutting edges, a face of said layer being adhered to the bottom surface of the recessed portion and a round side of the layer being adhered to the wall of the recessed portion, the thickness of the polycrystalline layer and the height of the wall being substantially equivalent.Other References
Field of SearchCOMPRISING CUTTING EDGE BONDED TO TOOL SHANK | |
