Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7862266 | Cutting tool for machining a hole A recess and an attachment seat are formed in a front end of a tool body. A panel-shaped insert attached to the attachment seat where the thickness direction is matched with the diameter direction of the tool body and a surface of the insert facing the rear in a too... | 01/04/2011 |
| 7575401 | PCD drill for composite materials A PCD drill for producing close tolerance holes in multi layer laminates, such as carbon fiber reinforced composites, with minimum fraying of the fibers on both entrance and exit from the hole is provided. The drills provided include a symmetrical cutting point with... | 08/18/2009 |
| 7429152 | Uncoated cutting tool using brazed-in superhard blank An uncoated cutting tool that comprises a body containing a pocket. A polycrystalline cubic boron nitride blank has a cutting tip. The blank is brazed into the pocket using a braze alloy whereby there is a braze joint between the body and the polycrystalline cubic b... | 09/30/2008 |
| 7309373 | Method of making a ceramic body of densified tungsten carbide A method of making tungsten carbide and a method of making a densified tungsten carbide-containing ceramic body with a transverse rupture strength greater than 300,000 psi are disclosed. ... | 12/18/2007 |
| 7293945 | Non-rotary cutting tool and process of machining scroll member by using the same A non-rotary cutting tool which is to be moved relative to a workpiece in a predetermined direction for cutting the workpiece, with its rake face being held substantially perpendicular to the predetermined direction. The cutting tool includes (a) a generally cylindr... | 11/13/2007 |
| 7267511 | Method for making die boards, and materials and apparatus for practicing the method In a die board for cutting and/or creasing sheet-type work material, a base is provided that includes a first upper surface and a second lower surface. At least one slot extends along the first upper surface and includes a first slot section extending from said firs... | 09/11/2007 |
| 7264428 | Hole saw and cutter A hole saw cap for a hole cutter, the cap includes a plate defining a substantially circular peripheral groove and an annular shelf extending radially outwardly from the peripheral groove, the peripheral groove has a recess and a threaded hole extending through a ce... | 09/04/2007 |
| 7216003 | Hi-accuracy three-dimensional topographic modeling apparatus A cutting apparatus includes a hi-accuracy three-dimensional cutting apparatus for topographic modeling that is electronically coupled with a computer. The computer has a central processor that executes instructions, a memory for storing instructions to be executed,... | 05/08/2007 |
| 7204664 | Glass drill bit A method and apparatus for drilling glass using a drill and drill bit. The method utilizes a drill bit having a plurality of shaft diameters, and being provided with a plurality of types of abrasives. By providing a coarser abrasive on a narrow portion of the bit, a... | 04/17/2007 |
| 7204244 | Diamond core drill bit A diamond core drill bit (100) is disclosed. The drill bit has a right-circular cylindrical body (120) with at least one side lubrication hole (122) toward the bottom of the body and a plurality of parallel grooves (124) oriented in an ax... | 04/17/2007 |
| 7192226 | Shrink fit holder and methods of drilling and reaming A drill has a unitary drill bit and chuck structure that includes a drill bit and a chuck. The chuck encloses a portion of the drill bit and has a thread. A rotatable drive element having a thread engages the thread of the chuck. The chuck is heat shrunk onto the dr... | 03/20/2007 |
| 7140814 | Spade-type drill bit having helical configuration A spade bit including a longitudinally extending shaft having a cutting member located at a distal end thereof. The cutting member comprises a pair of helically shaped, opposed blades joined along the longitudinal axis of the shaft and an axially extending pilot spu... | 11/28/2006 |
| 7112143 | Thread former or tap Cold thread forming tap or screw tap with a shaft, said shaft having a chuck portion at the one end and a forming or cutting profile portion on the other end, the forming or cutting profile portion being realised as a separate profile element and being fixable centr... | 09/26/2006 |
| 7028790 | Rotary drill bit A drill bit includes a body defining an axis and first and second cylindrical portions, a coupling adapted for connection with a rotary driver, and a depth stop adjustably secured to a first portion by a plurality of adjusting fasteners in a manner to limit penetrat... | 04/18/2006 |
| 7008149 | Tool kit and method of using A new and improved tool kit and method of using the tool kit for use in making a substantially perpendicular indented surface around an existing threaded bolt hole in a workpiece is disclosed. The kit comprises a guide rod and a grinder drill bit. The guide rod has ... | 03/07/2006 |
| 6953310 | Cemented carbide ball end mill A cemented carbide ball end mill comprises a cutting portion with a semi-spherical ball portion at a tip thereof. The cutting edge portion has a cutting edge rake face and a chip evacuating flute at the ball portion. An angle formed by a straight line connecting a v... | 10/11/2005 |
| 6951578 | Polycrystalline diamond materials formed from coarse-sized diamond grains PCD materials of this invention comprise diamond crystals that are bonded together with a catalyst/binder material. The PCD material is prepared by combining diamond grains with a catalyst/binder material either as a premixture or by infiltration during sintering. T... | 10/04/2005 |
| 6935325 | Method and apparatus for cutting and polishing stone articles A method for making a stone article includes the steps of providing a block of material having substantially square top and bottom surfaces, impacting the top and bottom surfaces with a non-square blade so as to split off-excess material from the top and bottom surf... | 08/30/2005 |
| 6935618 | Valve component with multiple surface layers A sliding component, particularly a disk valve plate. The sliding component includes a multi-layer surface structure comprising a strengthening layer harder than the substrate material, and an amorphous diamond top layer. ... | 08/30/2005 |
| 6913425 | Method for making die boards and materials and apparatus for practicing the method In a die board for cutting and/or creasing sheet-type work material, a base is provided that includes a first upper surface and a second lower surface. At least one slot extends along the first upper surface and includes a first slot section extending from said firs... | 07/05/2005 |
| 6913428 | Tool for the precision machining of surfaces A tool for the precision machining of surfaces in workpieces comprising at least two cutter inserts in the periphery of the tool body and each having at least one defined cutting edge. The cutter inserts are of different materials at least in the region of the at le... | 07/05/2005 |
| 6902359 | Drill insert with controlled contact clearance A cutting tool insert having a controlled contact clearance behind the cutting edge which limits flank wear and allows more coolant near the cutting edge further allowing an increase in surface speed, feed rates, and tool life. The controlled contact clearance surfa... | 06/07/2005 |
| 6851418 | Metal bonded drilling and boring tool A metal bonded drilling and boring tool which can prevent the separation of abrasive grains during drilling and boring to maintain a stable working performance for a long period of time without the need for tool exchange. The tool includes a rod-shaped body having a... | 02/08/2005 |
| 6663326 | Cutting tip and manufacturing method thereof A cutting tip having a three-layer laminated structure is provided. The tip is made from a disc-shaped three-layer laminate wherein a second layer consisting of a hard sintered compact of CBN or diamond is sandwiched by a first layer and a third layer con... | 12/16/2003 |
| 6595844 | Outer-diameter blade, inner-diameter blade, core drill and processing machines using same ones A core drill having a shank and a cup shaped base metal section constructed of a disk shaped top wall and a cylindrical side wall provided on a fore-end of the shank. A grinding stone portion is mounted on an outer end part of the base metal section, with... | 07/22/2003 |
| 6575674 | Reaming tool and process for its production A multi or single cutter reaming tool has a shaft and a shaped head with at least one cutter. The shaped head is produced from a blank having a base body of a base material on its envelope surface with at least one rectilinear or helical groove-shaped rec... | 06/10/2003 |
| 6564884 | Wear protection on a rock bit Using inserts which are welded in place allows the use of hardfacing in the immediate vicinity of the inserts. Areas of high wear, such as cutting structures and gage areas, can use a combination of ultra-hard inserts with hardfacing for protection agains... | 05/20/2003 |
| 6564887 | Core drill The present invention relates to a core drill wherein initial drilling workability is improved through reduced frictional resistance on the segment tips, when they are seated on the surface of an article to start cutting operation, and wherein cutting scr... | 05/20/2003 |
| 6425716 | Heavy metal burr tool A burr tool for use with heat shrink tool holders and fittings. The tool comprises a shank fabricated from a heavy metal material. Secured to the shank through a high temperature deposition process is an abrasive material. The shank is constructed out of ... | 07/30/2002 |
| 6402605 | Drilling device for brittle materials The invention concerns a drilling device (1) for brittle materials with a drill head (2) detachably fixed to a drilling rod (3) by means of a positive-lock connection for transmission of the drilling torque. For its exact relative positioning, the drill h... | 06/11/2002 |
| 6402438 | Composite Cutting Tool A laser beam is directed onto a bonding surface of a steel tool body to form a molten melt pool. Particles of high speed steel alloy are flowed into the melt pool and melt in the melt pool. The laser beam is moved along the bonding surface to form solid l... | 06/11/2002 |
| 6315066 | Microwave sintered tungsten carbide insert featuring thermally stable diamond or grit diamond reinforcement The present disclosure sets out a method and apparatus for forming an insert body. The insert body is preferably made of hard particles of tungsten carbide commingled with particles of a binding metal alloy primarily made of cobalt. The finished component... | 11/13/2001 |
| 6290438 | Reaming tool and process for its production A reaming tool has a shaft and a shaped head with at least one cutter. The shaped head is produced from a blank having a base body of a base material on its envelope surface with at least one rectilinear or helical groove-shaped recess running around it, ... | 09/18/2001 |
| 6206617 | Reamer with guide surface and method of finishing hole by using the same A reamer including; a generally cylindrical cutter body having (a) a flute formed in an outer circumferential surface of the cutter body and extending from an axially distal end of the cutter body toward an axially proximal end of the cutter body, (b) a c... | 03/27/2001 |
| 6196908 | Drill for composite materials A diamond coated drill capable of drilling large holes in composite materials and then reaming the holes to their correct size includes a pair of prongs extending from a shank. Each of the prongs has a tip, a grinder, and a reamer. The tips initiate a hol... | 03/06/2001 |
| 6182533 | Method of making a drill blank A method of making a drill blank which is elongate and which has a vein of a bonding material located in an end surface thereof. A recess is formed in a surface of a cemented carbide body. Either a layer of ultra-hard abrasive or a mass of ultra-hard abra... | 02/06/2001 |
| 6132148 | Machining tool and method for forming same A machining tool and method of making same includes a blank that is formed to a shank and which is provided with machining faces. The machining faces are configured to expose material of a PCD or PCBN element that is formed in a recess in the blank and fu... | 10/17/2000 |
| 6045440 | Polycrystalline diamond compact PDC cutter with improved cutting capability The present invention relates to supported polycrystalline diamond compact cutters (PDC cutters) made under high temperature, high pressure (HT/HP) processing conditions, and more particularly to supported PDC cutters having non-planar cutting surfaces. M... | 04/04/2000 |
| 6029544 | Sintered diamond drill bits and method of making A drill bit for cutting hard and abrasive materials has cutting lips formed from sintered polycrystalline diamond (PCD) or polycrystalline cubic boron nitride (PCBN) contained in one or more inserts installed in a drill bit blank. The inserts are made by ... | 02/29/2000 |
| 6012881 | Drilling tool A drilling tool comprises a drill tip, a chip removal part which axially adjoins the drill tip, and a drill shank which is positioned at the end of the chip removal part. Two chip flutes extend in a helical manner over the chip removal part starting at th... | 01/11/2000 |
