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| Number | Title | Issue Date |
| 5718948 | Cemented carbide body for rock drilling mineral cutting and highway engineering The invention relates to a coated cemented carbide body for rock drilling having a substrate containing at least one metal carbide and a binder metal and an at least partly covering coating comprising at least one diamond- or cBN-layer applied by CVD- or ... | 02/17/1998 |
| 5624068 | Diamond tools for rock drilling, metal cutting and wear part applications The present invention relates to buttons, inserts and bodies for rock drilling, rock cutting, metal cutting and wear part applications. The buttons, inserts and bodies comprise cemented carbide provided with bodies and/or layers of CVD- or PVD-fabricated ... | 04/29/1997 |
| 5453241 | Cemented carbide body with extra tough behavior The present invention relates to cemented carbide bodies preferably for rock drilling and mineral cutting. Due to the fact that the bodies are built up of a core of eta-phase-containing cemented carbide surrounded by a surface zone free of eta-phase with ... | 09/26/1995 |
| 5401461 | Cemented carbide body used preferably for abrasive rock drilling and mineral cutting The present invention relates to cemented carbide bodies preferably for wear demanding rock drilling and mineral cutting. The bodies are built up of a core of eta-phase-containing cemented carbide surrounded by a surface zone free of eta-phase where the b... | 03/28/1995 |
| 5335738 | Tools for percussive and rotary crushing rock drilling provided with a diamond layer The present invention relates to a rock bit button of cemented carbide for percussive or rotary crushing rock drilling. The button is provided with a layer of diamond produced at high pressure and high temperature in the diamond stable area. The cemented ... | 08/09/1994 |
| 5286549 | Cemented carbide body used preferably for abrasive rock drilling and mineral cutting The present invention relates to cemented carbide bodies preferably for wear demanding rock drilling and mineral cutting. The bodies are built up of a core of eta-phase-containing cemented carbide surrounded by a surface zone free of eta-phase where the b... | 02/15/1994 |
| 5279901 | Cemented carbide body with extra tough behavior The present invention relates to cemented carbide bodies preferably for rock drilling and mineral cutting. Due to the fact that the bodies are built up of a core of eta-phase-containing cemented carbide surrounded by a surface zone free of eta-phase with ... | 01/18/1994 |
| 5217081 | Tools for cutting rock drilling The present invention relates to a rock bit insert of cemented carbide for cutting rock drilling. The insert is provided with one or more bodies or layers of diamond or cBN produced at high pressure and high temperature in the diamond or cBN stable area. ... | 06/08/1993 |
| 5154245 | Diamond rock tools for percussive and rotary crushing rock drilling The present invention relates to a rock bit button of cemented carbide for percussive or rotary crushing rock drilling. The button is provided with one or more bodies of polycrystalline diamond in the surface produced at high pressure and high temperature... | 10/13/1992 |
| 4820482 | Cemented carbide body with a binder phase gradient and method of making the same The present invention relates to a cemented carbide body, preferably for rock drilling, mineral cutting and wear parts, in which the content of binder phase in the surface is lower and in the center higher than the nominal content. In the center there is ... | 04/11/1989 |
| 4764255 | Cemented carbide tool A tool or wear part comprises a cast iron or cast steel body carrying a plurality of cast-in inserts. Each insert comprises a cemented carbide cutting or wearing element partially embedded in the body, and an enclosure completely surrounding the embedded ... | 08/16/1988 |
| 4743515 | Cemented carbide body used preferably for rock drilling and mineral cutting The present invention relates to cemented carbide bodies preferably for rock drilling and mineral cutting. By having the bodies comprising a core of cemented carbide containing eta-phase surrounded by a surface zone of cemented carbide free of eta-phase a... | 05/10/1988 |
| 4576875 | Weldable wear part with high wear resistance A wear part with high wear and abrasion resistance combined with unlimited weldability and good mechanical strength or toughness, comprising a composite part of hard metal portion, a cast metal alloy body portion and attached thereto to joining portion, c... | 03/18/1986 |
