Element Six Gmbh

Element Six Abrasives S.a.

Element Six (UK) Limited

Habib Saridikmen

Nedret Can

Roger William Nigel Nilen

Danny Eugene Scott

Anthony Albert DiGiovanni

Nicholas J Lyons

Michael L Doster

Matthew Ray Isbell

Bernd Heinrich Ries

John Hewitt Liversage

Derek L Nelms

Antionette Can

Iain Patrick Goudemond

Valentine Kanyanta

Mehmet Serdar Ozbayraktar

Clement David Van Der Riet

Roger William Nilen

Matthew John Ian Leeming

Gerald Dolan

Richard Bodkin

Matthew John Leeming

This disclosure relates to a cutting assembly for mining or extraction. The cutting assembly comprises a circular disk cutter (). Cutting elements are arranged around a circumferential surface of the disk cutter, each seated in a tool holder (). The orientation of the seat is such that the cutting element () points tangentially in or towards the intended direction of rotation.

Cutting assembly

A polycrystalline super hard construction has a body of PCD material and a plurality of interstitial regions between inter-bonded diamond grains forming the PCD material. The body also has a first region substantially free of a solvent/catalyzing material which extends a depth from a working surface into the body of PCD material. A second region remote from the working surface includes solvent/catalyzing material in a plurality of the interstitial regions. A chamfer extends between the working surface and a peripheral side surface of the body of PCD material. The chamfer has a height which is the length along a plane perpendicular to the plane along which the working surface extends between the point of intersection of the chamfer with the working surface and the point of intersection of the chamfer and the peripheral side surface of the body of PCD material. The depth of the first region is greater than the height of the chamfer. A first length along a plane extending from the point of intersection of the chamfer and the peripheral side edge of the PCD body at an angle of between around 65 to 75 degrees to the interface between the first and second regions is between around 60% to around 300% of the depth of the first region.

Polycrystalline super hard construction and a method for making same

A cutter comprises a superhard construction, the cutter having a cutting edge defined by a rake face, and a flank extending therefrom. The cutter also has first and second regions, the first region abutting the second region along a boundary, the first region having a different material composition from the second region. At least the second region comprises superhard material, the material of the first region has a different coefficient of thermal expansion (CTE) from the material of the second region. The second region extends around the peripheral edge of the first region defined by the boundary to form a collar therearound, the first region and/or the second region extending to and/or forming at least a part of the rake face.

Superhard cutter

A method for making a polycrystalline diamond (PCD) construction comprises providing a cemented carbide substrate comprising carbide grains cemented together by a cement material, subjecting the substrate to a first pressure treatment, treating the substrate to remove at least some of the cement material from at least a region of the substrate adjacent a boundary defined by the substrate, and subjecting the substrate to a second pressure treatment, in contact with or bonded at the boundary to a diamondiferous structure.

Polycrystalline diamond

A cutter insert assembly for a drill bit for boring into the earth, comprising a super-hard structure clampable to a support body by means of a clamp mechanism; the clamp mechanism comprising opposed or opposable compression members connected or connectable by a tension member capable of sustaining a clamping force between the compression members when the cutter insert assembly is in a clamped condition, in which condition the compression members exert opposing compressive forces on the super-hard structure and the support body, operable to clamp the super-hard structure to the support body, and in which condition the cutter insert assembly is self-supporting and capable of being mounted onto a drill bit body.

Super-hard cutter inserts and tools

Growing community of inventors

Oxfordshire, United Kingdom

Habib Saridikmen