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Korloy Inc patents


Recent patent applications related to Korloy Inc. Korloy Inc is listed as an Agent/Assignee. Note: Korloy Inc may have other listings under different names/spellings. We're not affiliated with Korloy Inc, we're just tracking patents.

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Cutting insert

The purpose of the present invention is to provide a cutting insert capable of reducing cutting load and enhancing squareness. A cutting insert, according to one embodiment of the present invention, comprises: first and second end surfaces which face opposite directions to each other and have four corners wherein two ascending corners are placed in one diagonal position, and two descending corners lower than the height of the ascending corners are placed in the remaining diagonal position; first and second main side surfaces which are placed between the first and second end surfaces, face in opposite directions to each other, and have a throughhole connecting the first and second main side surfaces to each other; and first and second auxiliary side surfaces placed between the first and second end surfaces and between the first and second main side surfaces, wherein, when seen from the first or second end surface, each of the first and second main side surfaces comprises: a central main clearance surface placed on a central portion thereof; a first peripheral main clearance surface which is placed between the central main clearance surface and the ascending corners, and which forms an obtuse angle with respect to the central main clearance surface such that the central main clearance surface may protrude; and a second peripheral main clearance surface which is placed between the central main clearance surface and the descending corners, and forms an obtuse angle with respect to the central main clearance surface such that the central main clearance surface may protrude.. ... Korloy Inc

Cutting tool

A cutting tool comprises a base material which includes particles including a tungsten carbide (wc) as a main component, a binder phase including cobalt (co) as a main component, and particles including a carbide or a carbonitride of at least one selected from the group consisting of group 4a, 5a, and 6a elements, or a solid solution thereof; and a hard film formed on the base material, wherein the hard film comprises at least an alumina layer, a cubic phase free layer (cfl), in which the carbide or the carbonitride is not formed, is formed from a surface of the base material to a depth of 10 μm to 50 μm, and a co content of a surface of the cfl is 80% or more of a maximum co content of the cfl.. . ... Korloy Inc

Cemented carbide with improved toughness

A cemented carbide comprises particles including a tungsten carbide (wc) as a main component; a binder phase including cobalt (co) as a main component; and particles including a carbide or a carbonitride of at least one selected from the group consisting of group 4a, 5a, and 6a elements, or a solid solution thereof, wherein a cubic phase free layer (cfl), in which the carbide or the carbonitride is not formed, is formed from a surface of the cemented carbide to a depth of 5 μm to 50 μm.. . ... Korloy Inc

Cutting insert and tool holder on which cutting insert is provided

Provided are a cutting insert and a tool holder on which the cutting insert is provided. The cutting insert includes a circular upper surface, a circular lower surface, a cylindrical lateral surface for connecting the upper surface and the lower surface, an upper cutting edge formed between the upper surface and the lateral surface, a lower cutting edge formed between the lower surface and the lateral surface, and a plurality of rotation-preventing parts provided at the lateral surface so as to prevent the cutting insert from rotating with respect to the tool holder. ... Korloy Inc

Cutting insert and cutting tool having the same

A cutting insert and a cutting tool having same are provided. The cutting insert includes an upper surface, a lower surface having a flat surface, side surfaces connecting to each of the upper surface and the lower surface, and cutting edges being formed by the upper surface and the side surfaces. ... Korloy Inc

Insert and tool holder for mounting same

An insert in which a cutting edge is formed only between an upper surface and a side surface. The insert comprises: three or more corners along a perimeter; a main cutting edge formed on an edge between an upper surface and a main side surface, and a sub cutting edge formed on an edge between the upper surface and a sub side surface, wherein the main cutting edge and the sub cutting edge are placed in succession between the corners; and a flat lower surface. ... Korloy Inc








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