Dialog Information Services, File 351, Derwent WPI, Dialog Accession No. 010155859, WPI Accession No. 95-057111/199508, (NGK Spark Plug Co Ltd), “Tungstencarbide-base cemented carbide used for cutting tool—comprises hard phase having specified particle size distribution and contg tungsten carbide and ferrous metal bonding phase”, & JP,A,6335808,19941206, 199508 B (No Date/Month). |
Dialog Information Services, File 351, Derwent WPI, Dialog Accession No. 011397725, WPI Accession No. 97-375632/199735, (Kobe Steel Ltd), “Hard tough cemented carbide-comprises mainly tungsten carbide, cobalt and nickel”, &JP,A,9125185, 19970513, 199735 B (No Date/Month). |
Dialog Information Services, File 351, Derwent WPI, Dialog Accession No. 011172064, WPI Accession No. 97-149989/199714, (Dijet Ind Co Ltd), “Sintered hard material for water jet or wire drawing die nozzles—comprises iron, cobalt, and/or nickel, carbide and/or carbonitride of Gp-IVA transition metal, and tungsten carbide”, & JP,A,9025535, 19979128, 199174 B (No Date/Month). |
Dialog Information Services, File 351, Derwent WPI, Dialog Accession No. 008723156, WPI Accession No. 91-227173/199131, (Toshiba Tungalloy KK), “Coated sintered hard alloy for intermittent cuttin—base has single or multilayers of ceramics on matrix of tungsten carbide or gp-IVA, gp-VA or gp-VIA carbide(s) or carbonitride(s)”, & JP,A,3146677, 19910621, 199131 B (No Date/Month). |
Dialog Information Services, File 351, Derwent WPI, Dialog Accession No. 008551086, WPI Accession No. 91-055137/199108, (Hitachi Tool KK), “Super-hard alloy prodn.—comprises hard phase of titanium-carbide, titanium-nitride and tungsten carbide and binder phase of iron-Gp. metal”, JP,A,3006349, 19910111, 199108 B (No Date/Month). |
Dialog Information Services, File 351, Derwent WPI, Dialog Accession No. 004689404, WPI Accession No. 86-192746/198630 (Hitachi Choko KK), “Utrafine particles sintered hard alloy-13 comprises tungsten carbide hard phase bonded with iron and chromium gp elements contg. carbide(s)”, JP,A,61124548, 19860612, 198630 B (No Date/Month). |
Dialog Information Services, File 351, Derwent WPI, Dialog Accession No. 004675229, WPI Accession No. 86-178571/198628, (Hitachi Choko KK et al.), “Hard alloy useful for cutting tools etc.—comprises hard phase contg. tungsten carbide, and binder metal phase contg. iron-gp and chromium-gp. elements”, JP,A,61110745, 19860529, 198628 B (No Date/Month). |