Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Jacob Sjolen, Fagersta SE

Jacob Sjolen, Fagersta SE

Patent application numberDescriptionPublished
20090016831Fine Grained Cemented Carbide for Turning in Heat Resistant Super Alloys (HRSA) - Coated cemented carbide inserts, particularly useful in fine turning of super alloys, are disclosed. The inserts are characterized by a composition of a cemented carbide of WC, about 4.0 wt-% Co to about 7.0 wt-% Co, about 0.25 wt-% Cr to 0.50 wt-% Cr, and a coercivity (Hc) of about 28 kA/m to about 38 kA/m. The coating comprises a single (Ti01-15-2009
20100322840METHOD OF PRODUCING A LAYER BY ARC-EVAPORATION FROM CERAMIC CATHODES - A method of producing hard wear resistant layer with improved wear resistance. The method is a reactive arc-evaporation based process using a cathode including as main constituent at least one phase of a refractory compound M12-23-2010
20110111197MULTILAYERED COATED CUTTING TOOL - A cutting tool includes a body of a hard alloy of cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel and on which at least one of the functioning parts of the surface thereof, a hard and wear resistant coating is applied. The coating includes a polycrystalline laminar, multilayered structure of metal nitride compounds, in a repetitive form . . . MeN/(Ti05-12-2011
20110123829Composite coating for finishing of hardened steels - The present invention relates to a cutting tool insert, solid end mill, or drill, comprising a substrate and a coating. The coating is composed of one or more layers of refractory compounds of which at least one layer comprises a cubic (Me,Si)X phase, where Me is one or more of the elements Ti, V, Cr, Zr, Nb, Mo, Hf, Ta and Al, and X is one or more of the elements N, C, O or B. The ratio R=(at-% X)/(at-% Me) of the c-MeSiX phase is between 0.5 and 1.0 and X contains less than 30 at-% of O+B. This invention is particularly useful in metal machining applications where the chip thickness is small and the work material is hard e.g. copy milling using solid end mills, insert milling cutters or drilling of hardened steels.05-26-2011
20110209590METHOD OF MAKING A COATED CEMENTED CARBIDE INSERT - Forming coated cemented carbide inserts, particularly useful in fine turning of super alloys. The inserts are characterized by a composition of a cemented carbide of WC, about 4.0 wt-% Co to about 7.0 wt-% Co, about 0.25 wt-% Cr to 0.50 wt-% Cr, and a coercivity (Hc) of about 28 kA/m to about 38 kA/m. The coating comprises a single (Ti09-01-2011
20110244129METHOD OF MAKING CUTTING TOOL INSERTS WITH HIGH DEMANDS ON DIMENSIONAL ACCURACY - A method of making cutting tool inserts with high demands on dimensional accuracy includes: 10-06-2011
20110293384LAYERED COATED CUTTING TOOL - A cutting tool insert is formed from a substrate selected from cemented carbide, cermet, ceramics, cubic boron nitride based material or high speed steel. The insert includes a hard and wear-resistant coating formed from laminar polycrystalline metal nitrides layers. The laminar polycrystalline metal nitrides layers have a repetitive form . . . A/B/A/C/A/B/A/C/ . . . with a total thickness of about 0.5 μm to about 5 μm.12-01-2011

Patent applications by Jacob Sjolen, Fagersta SE