US 12,338,728 B2
Cutter assembly and methods for making same
Santonu Ghosh, Oxfordshire (GB); Christopher John Howard Wort, Oxfordshire (GB); and Vijay Nadasen Vythilingum, Oxfordshire (GB)
Assigned to Element Six (UK) Limited, Didcot (GB)
Appl. No. 17/613,736
Filed by Element Six (UK) Limited, Oxfordshire (GB)
PCT Filed May 27, 2020, PCT No. PCT/EP2020/064634
§ 371(c)(1), (2) Date Nov. 23, 2021,
PCT Pub. No. WO2020/239799, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 1907505 (GB), filed on May 28, 2019.
Prior Publication US 2022/0234113 A1, Jul. 28, 2022
Int. Cl. E21B 47/013 (2012.01); B23K 1/00 (2006.01); B23K 20/00 (2006.01); E21B 10/567 (2006.01)
CPC E21B 47/013 (2020.05) [B23K 1/0008 (2013.01); B23K 20/002 (2013.01); E21B 10/5676 (2013.01); B23B 2226/125 (2013.01); B23B 2226/315 (2013.01); B23B 2240/08 (2013.01); B23B 2260/128 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A cutter assembly for a cutting tool, comprising
a super-hard volume of super-hard material having a proximal end and a distal end and including a cavity; and
a cover member comprising the super-hard material;
the super-hard volume having a super-hard surface at the distal end including a cutting edge;
the cavity having a cavity open end at the distal end;
the super-hard surface including a cavity peripheral area coterminous with the cavity open end;
the cover member including a cover peripheral area configured to mate with the cavity peripheral area to allow the cover member to cover the cavity at the cavity open end; the covered cavity providing a housing chamber within the super-hard volume.