| Patent Number |
Title Of Patent |
Date Issued |
| RE40082 |
Coated inserts for rough milling |
February 19, 2008 |
| Coated milling insert has a WC--Co cemented carbide with a low content of cubic carbides and a highly W-alloyed binder phase and a coating including an inner layer of TiC.sub.xN.sub.y with columnar grains followed by a layer of .kappa.-Al.sub.2O.sub.3 and a top layer of TiN. The coat |
| RE40026 |
Cemented carbide insert for turning, milling and drilling |
January 22, 2008 |
| There is disclosed a cemented carbide insert with excellent properties for machining of steels and stainless steels. The cemented carbide comprises WC and 4-25% Co. The WC-grains have an average grain size in the range 0.2-3.5 .mu.m and a narrow grain size distribution in the range 0-4.5 |
| RE40025 |
Coated grooving or parting insert and method of making same |
January 22, 2008 |
| The present invention relates to a coated cutting tool (e.g.--cemented carbide insert) useful for grooving or parting of steel or stainless steel components such as tubes and bars. The insert is characterised by a WC-Co-based cemented carbide substrate having a highly W-alloyed Co-bi |
| RE40005 |
Coated cutting insert |
January 15, 2008 |
| There is disclosed a coated cutting insert particularly useful for cutting in cast iron materials. The insert is characterized by a straight WC-Co cemented carbide body having a highly W-alloyed Co binder phase, a well-defined surface content of Co and a coating including an innermost |
| RE39999 |
Coated turning insert and method of making it |
January 8, 2008 |
| A coated turning insert particularly useful for turning in stainless steel is disclosed. The insert is characterized by a WC--Co-based cemented carbide substrate having a highly W-alloyed Co-binder phase and a coating including an inner layer of TiC.sub.xN.sub.yO.sub.z with columnar grai |
| RE39987 |
Coated turning insert |
January 1, 2008 |
| A coated turning insert particularly useful for turning of forged components of stainless steel low alloyed steel. The insert is characterized by a WC-Co cemented carbide body having a highly W-alloyed Co-binder phase and a coating including an innermost layer of TiC.sub.xN.sub.yO.su |
| RE39986 |
Coated grooving or parting insert |
January 1, 2008 |
| The present invention relates to a coated cutting tool insert useful for grooving or severing steel components such as steel or stainless steel tubes and bars. The insert is characterized by WC--Co-based cemented carbide substrate having a highly W-alloyed Co-binder phase and a relat |
| RE39912 |
Coated inserts for rough milling |
November 6, 2007 |
| Coated milling insert has a WC-Co cemented carbide with a low content of cubic carbides and a highly W-alloyed binder phase and a coating including an inner layer of TiC.sub.xN.sub.y with columnar grains followed by a layer of .kappa.-Al.sub.2O.sub.3 and a top layer of TiN. The coate |
| RE39894 |
Cemented carbide insert |
October 23, 2007 |
| The present invention relates to a coated cemented carbide insert for turning of steel, like low alloyed steels, carbon steels and tough hardened steels at high cutting speeds. The cemented carbide consists of WC, 2-10 wt. % Co and 4-12 wt. % of cubic carbides of metals from groups 4 |
| RE39893 |
Cemented carbide insert |
October 23, 2007 |
| The present invention relates to a cutting tool insert and its methods of manufacture for machining of steel comprising a cemented carbide body and a coatings. The cemented carbide body includes WC, 5-12 wt-% Co and 3-11 wt-% of cubic carbides of metals Ta and Ti. The amount of Nb is bel |
| RE39884 |
Coated milling insert and method of making it |
October 16, 2007 |
| A coated milling insert particularly useful for milling in low and medium alloyed steels with or without raw surface zones during wet or dry conditions. The insert is characterized by a WC-Co cemented carbide with a low content of cubic carbides and a highly W alloyed binder phase and a |
| RE39814 |
Cemented carbide insert and method of making same |
September 4, 2007 |
| The present invention relates to a coated cemented carbide cutting tool particularly for turning applications with high toughness demands, of stainless steels of different compositions and microstructures, and of low and medium alloyed non-stainless steels. The cemented carbide is WC |
| D541321 |
Combination tool for chip forming machining |
April 24, 2007 |
|
| D541320 |
Combination tool for chip forming machining |
April 24, 2007 |
|
| D525995 |
Portion of a drill bit |
August 1, 2006 |
|
| 7416778 |
Method for high speed machining and coated cutting tool |
August 26, 2008 |
| The present invention relates to a method of machining a metal work piece with a coated cutting tool insert having a cemented carbide body and a coating deposited as monolayer(s) or as multiple and/or alternating layers. The coating has a total thickness of from about 25 to about 75 |
| 7410332 |
Cutting bit with a face cutting edge, in particular for face milling cutters |
August 12, 2008 |
| A cutting bit (10), in particular for face milling cutters, having an upper and a lower surface (3) which are connected by circumferential edge surfaces (4), wherein the cutting bit in plan view on to the upper surface (3) is of an approximately octagonal basic shape with alternately |
| 7409896 |
Tool for chip removing maching |
August 12, 2008 |
| A tool for chip removing machining comprising a tool head, which is provided with insert seats for the receipt of replaceable cutting inserts as well as a fastening part intended to be received in a machine tool. The tool has at least two chip pockets, in each one of which two replac |
| 7407903 |
Material for high temperatures |
August 5, 2008 |
| The present invention relates to a material for use at temperatures exceeding 1200.degree. C. and in oxidizing atmospheres consisting generally of an alloy between a metal, aluminium (Al) and carbon (C) or nitrogen (N). The invention is characterized in that the alloy has a compositi |
| 7407523 |
Cutting tool insert and method for producing the same |
August 5, 2008 |
| An improved cutting tool insert and a method for the preparation of such cutting tool insert, having a sintered alumina and silicon carbide whisker composite material body, comprising the steps of milling and mixing the powdered starting materials of said composite material and formi |
| 7407351 |
Rotatable tool comprising a shank, a drawbar and a cutting head |
August 5, 2008 |
| A rotatable tool includes a shank rotatable about a longitudinal axis, a drawbar mounted to an axial front end of the shank, and a cutting head mounted to an axial front end of the drawbar. The shank and the drawbar include mutually engageable screw threads which impart an axial disp |
| 7407348 |
Indexable cutting inserts and methods for producing the same |
August 5, 2008 |
| A cutting insert has a body formed of a superhard material or a superhard material and a cemented carbide, and has a hole through said body and a preformed hole inlay in said hole to allow securing of the insert to a holder. The method of making same is also disclosed. |
| 7396371 |
Coated insert |
July 8, 2008 |
| The present invention relates to a cutting insert particularly for turning of stainless steel comprising a cemented carbide substrate and a post-treated coating with a substrate of cemented carbide having a composition of from about 5.0 to less than about 8.0 wt % Co, from about 3. |
| 7393163 |
Drill with improved cutting insert formation |
July 1, 2008 |
| A drill includes a tip-forming front end having at least two straight cutting edges and at least two chip flutes extending from the tip end towards a rear end. Each cutting edge includes an inner portion disposed near a center line of the drill, and an outer portion disposed farther |
| 7393161 |
Metal cutting inserts with abrasive bodies |
July 1, 2008 |
| The present invention relates to a cutting tool insert of a generally polygonal shape provided with a ceramic tip in a recess in at least one of its corners with a bottom surface and at least one side surface. At least the bottom surface of the recess is provided with rails with a he |
| 7392863 |
Rock drill bit |
July 1, 2008 |
| The present invention relates to a rock drill bit for percussive drilling. The drill bit comprises a bit body; a head portion defining a longitudinal center axis. The head portion comprises a front face having an outer surface portion, and an inner surface portion disposed radially i |
| 7390149 |
Tool for chip removing machining, and a basic body and a lock member therefor |
June 24, 2008 |
| A tool for chip removing machining, including a basic body and a replaceable cutting insert that has a center axis and is detachably mounted in an insert seat formed in the basic body. The seat is delimited by a bottom surface and at least one side support surface. The cutting insert |
| 7387658 |
Method of making a cemented carbide powder mixture and the resulting cemented carbide powder mix |
June 17, 2008 |
| A method of making cemented carbide at which powders forming hard constituents and powders forming binder phase are wet milled together with a pressing agent is disclosed. The slurry is dried, preferably by spray drying, compacted into bodies of desired shape and sintered. A cemented |
| 7387474 |
Cutting insert and a tool for chip removing machining, as well as an attachment for such tools |
June 17, 2008 |
| A cutting insert having a front cutting edge and a connecting surface including male- and/or female-like engagement portions, in order to rigidly secure the cutting insert, a geometrically predetermined reference locus serving as a force-application spot for the clamping of the cutti |
| 7384689 |
Cemented carbide body |
June 10, 2008 |
| According to the present invention there is now provided a body cemented carbide provided with at least one wear resistant layer, which body contains a toughness increasing surface zone. Increase in toughness is obtained due to the presence of a surface zone having increased WC grain |
| 7378621 |
Molybdenum silicide type element |
May 27, 2008 |
| The present invention relates to an electrical resistance element of the molybdenum silicide type that includes two terminals (1, 2) for the supply of electric current and at least one leg (3) which extends between the terminals and which includes a glow zone. The invention is charac |
| 7371032 |
Boring bar for internal turning |
May 13, 2008 |
| A boring bar, such as for internal turning, includes a front pocket that is defined by a shelf-like surface and a ramp surface, an insert seat that is countersunk in the shelf surface and disposed asymmetrically in relation to a center axis, a chip flute that is countersunk in the ou |
| 7360972 |
Indexable cutting inserts and methods for producing the same |
April 22, 2008 |
| A method of making a cutting insert includes: (i) forming a blank having a substrate and superhard material, the substrate having more than 4 pockets, the superhard material disposed within the pockets; (ii) removing cutting tips from the blank by cutting the blank along cutting line |
| 7360726 |
Method and control system for starting crushing in a gyratory crusher |
April 22, 2008 |
| In a method for starting a crushing operation in a gyratory crusher in which rocks are passed through a crushing gap to be crushed, the following steps are carried out: (a) a driving device is started which causes a crushing head to execute a gyratory pendulum movement, and a first w |
| 7353890 |
Down-the-hole hammer and components for a down-the-hole hammer, and a method of assembling a dow |
April 8, 2008 |
| A down-the-hole hammer includes a casing and a piston movable in the casing between a lowermost operating position and an uppermost operating position. A recess is provided between the piston and the casing so that the piston and the casing define an intermediate chamber between a top |
| 7350725 |
Crusher and a method of crushing material |
April 1, 2008 |
| A method of crushing material includes the steps of feeding a first flow of material to be crushed to a rotor rotating around a vertical axis, the rotor accelerating the first flow of material towards an impact wall section, and feeding a second flow of material to be crushed into the |
| 7340978 |
Method and apparatus for making a rotary tool for chip removing machining |
March 11, 2008 |
| A method for manufacturing a rotary tool for chip removing machining with at least one chip flute that extends in the longitudinal direction of the tool. The method involves preparing a mixture of a cemented carbide, cermet or ceramics powder and a carrier, such as a polymer, and placing |
| 7338000 |
Shell for a gyratory crusher and a gyratory crusher |
March 4, 2008 |
| An inner shell, which is intended for use in a gyratory crusher and which during crushing will rotate around its own center axis in a first direction, has at least one additional crusher surface. The additional crusher surface has, in horizontal projection and as seen in the first di |
| 7332122 |
Ti(C,N)-(Ti,Nb,W)(C,N)-Co alloy for milling cutting tool applications |
February 19, 2008 |
| A titanium based carbonitride alloy containing Ti, Nb, W, C, N and Co. The alloy also contains, in addition to Ti, 9-14 at % Co with only impurity levels of Ni and Fe, 1-<3 at % Nb, 3-8 at % W and has a C/(C+N) ratio of 0.50-0.75. The amount of undissolved Ti(C,N) cores should be kept |
| 7326009 |
Edge-carrying drill body having an internal chip-removal channel |
February 5, 2008 |
| An edge-carrying drill body intended for deep hole drilling, is rotatable around a central geometric axis and comprises a through-channel arranged for internal chip evacuation. The channel mouths in front and rear ends of the drill body. A front channel mouth is bridged-over by a bridge |
| 7325633 |
Rock drill bit and a thread joint therefor |
February 5, 2008 |
| A drill bit intended for percussive rock drilling is formed to reduce the occurrence of cavitation during percussive drilling. The drill bit includes an integral skirt and at least one channel for transport of flush medium, such as water. The drill bit has a front face provided with |
| 7320565 |
Edge-carrying drill, method for the manufacture of the drill, and drilling tool comprising such |
January 22, 2008 |
| In a first aspect, the invention relates to an edge-carrying drill body (1) of the type that is intended for deep hole drilling, and which is rotatable around a geometric axis (C) as well as comprises a through channel (2) arranged for internal chip evacuation, which channel mouths i |
| 7306636 |
Oxide coated cutting tool |
December 11, 2007 |
| The present invention relates to a method of depositing a crystalline .alpha.-Al.sub.2O.sub.3-layer onto a cutting tool insert by Chemical Vapor Deposition at a temperature of from about 625 to about 800.degree. C. The method comprises the following steps: depositing a from about 0 |
| 7300232 |
Tool for chip-removing machining |
November 27, 2007 |
| A tool for chip-removing machining includes a holder on which in indexible cutting insert is mounted. The holder includes a first base surface on which a plurality of male parts are disposed to define an insert seat. The insert includes generally parallel second and third base surfaces, |
| 7300009 |
Member for holding a wear part of a crusher |
November 27, 2007 |
| A holding member for holding a horizontal wear plate in position on a rotor for a vertical shaft impact crusher. The holding member includes a holding part for holding the wear plate and a fixing mechanism for releasably fixing the holding member to a vertical wall segment of the rot |
| 7297176 |
Cemented carbide body |
November 20, 2007 |
| The present invention relates to a cemented carbide body with the following composition: Co: 10-12 wt-%, TaC: <3 wt-%, NbC: 1-5.5 wt-%, TiC: 3-5 wt-% and as rest WC. The cemented carbide body is particularly useful for metal cutting operations requiring high wear resistance, high |
| 7296685 |
Vibrating screen for screening crushed stone and gravel |
November 20, 2007 |
| A vibrating screen for conducting material in a longitudinal direction while screening the material comprises a screening deck, exchangeable modular screening media, and an adapter arrangement for mounting the screening media on the deck. The screening deck includes transverse carrie |
| 7296641 |
Rock drill bit having outer and inner rock-crushing buttons |
November 20, 2007 |
| A rock drill bit for percussive drilling includes a front face which has radially outer and inner portions. Fluid channels are disposed in the head portion in communication with the inner portion of the front face. The inner portion of the front face carries a plurality of front buttons. |
| 7296497 |
Method and device for manufacturing a drill blank or a mill blank |
November 20, 2007 |
| The present invention relates to a method for manufacturing a drill blank or a mill blank by extrusion, said method comprising the forming of a first blank portion (B1) having external, axially extending external flutes and the forming of a further blank portion (B3) in the shape of a |
| 7281594 |
Rock drill bit |
October 16, 2007 |
| The present invention relates to a rock drill bit for percussive drilling. The drill bit comprises a bit body, a head portion defining a longitudinal center axis. The head portion includes an axially forward rock-crushing surface and a skirt that extends axially rearwardly from the r |
