Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6676893 | Porous cubic boron nitride based material suitable for subsequent production of cutting tools and method for its production The presently claimed invention relates to a method of making a PcBN cutting tool insert. The method includes the following steps: mixing raw material powders, (e.g., cBN, hBN, TiC, TiN, Ti(C,N), WC, W, C, Co, Co2 Al9, Al AlN, Al... | 01/13/2004 |
| 6344170 | Ti(C,N)-(Ti,Ta,W)(C,N)-Co alloy for general finishing cutting tool applications The present invention relates to a sintered body of a carbonitride alloy with titanium as main component which has improved properties particularly when used as cutting tool material in general finishing cutting operations requiring high deformation resis... | 02/05/2002 |
| 6340445 | Ti(C,N)-(Ti,Ta,W)(C,N)-Co alloy for superfinishing cutting tool applications A sintered body of a carbonitride alloy with titanium as main component which has improved properties particularly when used as cutting tool material in light finishing cutting operations at high cutting speed. This has been achieved by combining a carbon... | 01/22/2002 |
| 6325838 | TI(C, N)--(TI, TA, W) (C, N)--CO alloy for toughness demanding cutting tool applications The present invention relates to a sintered body of a carbonitride alloy with titanium as main component which has improved properties particularly when used as cutting tool material in cutting operations requiring high toughness. This has been achieved b... | 12/04/2001 |
| 6290902 | Method for producing Ti (C,N)--(Ti,Ta,W) (C,N)--Co alloys for cutting tool applications The present invention relates to a method for manufacturing a sintered body of carbonitride alloy with titanium as the main component and cobalt as the binder phase and which does not have any compositional gradients or center porosity concentration after... | 09/18/2001 |
| 6287489 | Method for making a sintered composite body A method of making a PcBN cutting tool insert is provided. The composite body may be a PcBN cutting tool insert. The method includes mixing raw material powders consisting of cBN and one or more of hBN, TiC, TiN, Ti(C,N), WC, W, C, Co, Co2 Al | 09/11/2001 |
| 6193777 | Titanium-based carbonitride alloy with nitrided surface zone An uncoated titanium-based carbonitride cutting tool insert with superior plastic deformation resistance and wear resistance is provided. This is accomplished by heat treating the material in nitrogen atmosphere under conditions to obtain a nitrogen rich ... | 02/27/2001 |
| 6129891 | Titanium-based carbonitride alloy with controllable wear resistance and toughness The present invention relates to a sintered body of titanium-based carbonitride alloy comprising hard constituents containing at least tungsten in addition to titanium in a binder phase based on cobalt. There are four distinctly different microstructural ... | 10/10/2000 |
| 6017488 | Method for nitriding a titanium-based carbonitride alloy An uncoated titanium-based carbonitride cutting tool insert with superior plastic deformation resistance and wear resistance is provided. This is accomplished by heat treating the material in nitrogen atmosphere under conditions to obtain a nitrogen rich ... | 01/25/2000 |
| 6004371 | Titanium-based carbonitride alloy with controllable wear resistance and toughness The present invention relates to a sintered body of titanium-based carbonitride alloy comprising hard constituents containing at least tungsten in addition to titanium in a binder phase based on cobalt. There are four distinctly different microstructural ... | 12/21/1999 |
| 5976213 | Titanium-based carbonitride alloy with improved thermal shock resistance A titanium-based carbonitride cutting tool insert with superior thermal shock resistance is disclosed. This is accomplished by sintering the material under conditions where the melting process is reversed. The melt forms in the center of the material firs... | 11/02/1999 |
| 5694639 | Titanium based carbonitride alloy with binder phase enrichment A sintered body of titanium based carbonitride alloy containing hard constituents based on, in addition to titanium, one or more of the metals Zr, Hf, V, Nb, Ta, Cr, No or W in 5-30% binder phase based on Co and/or Ni is disclosed. The body has a binder p... | 12/02/1997 |
| 5682590 | Coated titanium-based carbonitride A titanium-based carbonitride grade for finishing and semi-finishing turning operations with excellent properties is obtained starting from a titanium-based carbonitride grade used for milling operations. The carbon content of a conventional titanium-base... | 10/28/1997 |
| 5659872 | Sintered carbonitride alloy and method of producing There is provided a sintered titanium-based carbonitride alloy for metal cutting containing hard constituents based on Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and/or W and 3-30% binder phase based on Co and/or Ni. The structure contains 10-50% by weight well-disper... | 08/19/1997 |
| 5581798 | Method of producing a sintered carbonitride alloy for intermittent machining of materials difficult to machine According to the invention there now is provided a method of producing a sintered titanium based carbonitride alloy with 3-25 weight % binder phase with extremely good properties at intermittent machining of materials difficult to machine. The method rela... | 12/03/1996 |
| 5568653 | Method of producing a sintered carbonitride alloy for semifinishing machining According to the invention there now is provided a method of producing a sintered titanium based carbonitride alloy with 3-25 weight-% binder phase with extremely good properties at semifinishing operations at turning. The method relates to the use of a r... | 10/22/1996 |
| 5470372 | Sintered extremely fine-grained titanium-based carbonitride alloy with improved toughness and/or wear resistance There is now provided a sintered titanium-based carbonitride alloy for metal cutting containing hard constituents based on Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and/or W and 3-30% binder phase based on Co and/or Ni. The structure contains well-dispersed and/or as... | 11/28/1995 |
| 5462574 | Sintered carbonitride alloy and method of producing There is provided a sintered titanium-based carbonitride alloy for metal cutting containing hard constituents based on Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and/or W and 3-30% binder phase based on Co and/or Ni. The structure contains 10-50% by weight well-disper... | 10/31/1995 |
| 5421851 | Sintered carbonitride alloy with controlled grain size The present invention relates to a sintered titanium-based carbonitride alloy for milling and turning where the hard constituents are based on Ti, Zr, Hf, V, Nb, Ta, Cr, Mo and/or W and the binder phase based on Co and/or Ni. The structure comprises 10-50... | 06/06/1995 |
| 5403542 | Sintered carbonitride alloy with highly alloyed binder phase Method of manufacturing a sintered carbonitride alloy comprising wet milling powders of forming binder phase containing Co, Ni and mixture thereof and powder forming hard constituents of nitrides and carbonitrides with Ti as the main component to a mixtur... | 04/04/1995 |
| 5403541 | Method of making a sintered insert Method of making sintered insert for milling and turning formed of a titanium-based carbonitride containing hard constituents and binder phase metal comprising milling at least one hard constituent with binder phase metal, adding a second hard constituent... | 04/04/1995 |
| 5395421 | Titanium-based carbonitride alloy with controlled structure There now exists a sintered titanium-based carbonitride alloy containing hard constituents with core-rim structure based on, besides Ti, W, one or more of the metals Zr, Hf, V, Mo, Nb, Ta or Cr in 5-30 weight % binder phase based on Co and/or Ni with simu... | 03/07/1995 |
| 5336292 | Titanium-based carbonitride alloy with wear resistant surface layer A sintered body of titanium-based carbonitride alloy according to the invention comprises carbonitride hard constituents in 5-25% binder phase where the hard constituents contain, in addition to Ti, one or more of the metals Zr, Hf, V, Nb, Ta, Cr, Mo and/... | 08/09/1994 |
| 5330553 | Sintered carbonitride alloy with highly alloyed binder phase A sintered titanium-based carbonitride alloy contains hard constituents based on, in addition to Ti, W and/or Mo, one or more of the metals Zr, Hf, V, Nb, Ta or Cr in 5-30% binder phase based on Cobalt and/or nickel. The content of tungsten and/or molybde... | 07/19/1994 |
| 5306326 | Titanium based carbonitride alloy with binder phase enrichment A sintered body of titanium based carbonitride alloy containing hard constituents based on, in addition to titanium, one or more of the metals Zr, Hf, V, Nb, Ta, Cr, No or W in 5-30% binder phase based on Co and/or Ni is disclosed. The body has a binder p... | 04/26/1994 |
| 5137565 | Method of making an extremely fine-grained titanium-based carbonitride alloy According to the present invention there is now provided a method of making a sintered titanium-based carbonitride alloy. According to the method, melt-metallurgical raw materials containing the metallic alloying elements for hard constituent-forming as w... | 08/11/1992 |
| 5110349 | Cutting insert of sintered hard alloy A cutting insert of a sintered carbonitride alloy and with a complicated geometry, the insert having improved efficiency. This is obtained by giving the powder non-uniform compaction during pressing of the powder into a press-body so that the ultimate wor... | 05/05/1992 |
