Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7371037 | Rotary cutting tool comprising two cutting portions having opposed cutting directions A rotary cutting tool extending along a longitudinal axis and including a first cutting portion including a plurality of first helical teeth having a helix direction and being designed to work in a first direction of rotation of the tool. The tool also includes a se... | 05/13/2008 |
| 7363692 | Tool and method for fine machining work pieces A tool for fine machining of work pieces involving metal removal is proposed having at least one cutter (13) for preliminary machining with a geometrically defined cutting edge (15) and having at least one cutter (21) for final machining with a ... | 04/29/2008 |
| 7226257 | Router bit with position stop A router bit with a position stop is disclosed. The router bit includes a body with a collar extending outwardly from it and a shaft extending outwardly from the collar. At least one cutter blade is mounted to the body and the cutter blade may be used to cut a profi... | 06/05/2007 |
| 7219706 | Apparatus having adjustable saws for wood cutting An apparatus having adjustable saws for wood cutting. A cutting head has at least two spaced apart disk-saws for producing respective slicing cuts in an article of wood, the saws defining respective distinct outer cutting diameters. Preferably, the disk-saws are bol... | 05/22/2007 |
| 7216415 | Pallet scuffing apparatus A scuffing device (30) arranged to impart texture to a plastic pallet surface (12) having a plurality of cutting members (34) axially aligned and mounted adjacent each other, the cutting members (34) having radial toothed edges for cuttin... | 05/15/2007 |
| 7189039 | Tool coupling for rotating tools A tool assembly includes first and second tool bodies, a tool coupling interconnecting the tool bodies, and a drawing member for drawing the tool bodies together along a common longitudinal axis. The tool coupling includes a male portion disposed on one of the tool ... | 03/13/2007 |
| 7174638 | Circular saw device for cutting off tubes A tube-cutting circular saw device, comprising a housing, a tube-clamping device for clamping the tube in relation to the housing, a motor-driven cutoff tool pivotable about the tube axis and a tool-guide device for the radial guidance of the cutoff tool around the ... | 02/13/2007 |
| 7171885 | System for fixing rotary cutting dies in machines for die cutting laminar material System for fixing rotary die cutters in die cutting machines for cutting laminar material includes a fixing means between the die (1) and a die-holder surface or cylinder (2) around which the die (1) is arranged, wherein the a fixing element inc... | 02/06/2007 |
| 7153066 | Cutting plate for a processing tool and holding device for such a cutting plate A cutting plate for a processing tool, particularly a milling tool, is connected to a holding device for such a cutting plate. The cutting plate has at least one blade (1) configured in a radially protruding manner on a central body (5) of the cutting ... | 12/26/2006 |
| 7150589 | Deburring tool A deburring tool includes a proximal cutter and a distal cutter which form a V-shaped groove within which a workpiece is positioned to remove burrs from both sides of the workpiece simultaneously. The cutting edges of the proximal and distal cutters do not include a... | 12/19/2006 |
| 7131473 | Programmable coping bit A coping bit capable of being easily modified to cut profiles having tenons of varying lengths is provided. The coping bit includes an axially extending primary drive shaft and a first cutting member fixed on the primary drive shaft. An axially extending secondary d... | 11/07/2006 |
| 7121176 | Tool for chip removing machining employing multiple different cutting inserts A tool for chip removing machining includes a tool head having at least one chip pocket formed therein which serves as a common pocket for first and second replaceable cutting inserts. The inserts perform mutually different machining operations and have their respec... | 10/17/2006 |
| 6945146 | Pipe-chamfering disk The cutting disk includes cutting teeth for cutting through a pipe prior to engagement with the pipe of chamfering teeth pressed or bent sideways out of the plane of a flat body portion. Each of the chamfering teeth defines a cutting edge angled obtusely away from t... | 09/20/2005 |
| 6938321 | Pallet scuffing apparatus A scuffing device (30) arranged to impart texture to a plastic pallet surface (12) having a plurality of cutting members (34) axially aligned and mounted adjacent each other, the cutting members (34) having radial toothed edges for cuttin... | 09/06/2005 |
| 6902357 | Cutting tool A rotatable cutting tool having s support region (1) with an end surface (2) and a plurality of recesses (4) extending from the end surface (2) and in which, respectively, a plurality of cutting elements (5) are arranged, with each... | 06/07/2005 |
| 6893195 | Method and apparatus for producing forked roots of turbine blades For producing forked roots of turbine blades, the turbine blades are, in a first step, roughed-in and smoothed (finished) on their outer faces in a single operation with two rigidly coupled disk milling cutters that are provided hard metal cutter inserts. In a secon... | 05/17/2005 |
| 6886441 | Blade assembly cover A gang blade assembly which controls the trajectory of detritus from a ball grid array substrate dicing operation is described. The assembly includes a cover which partially encases a hub with a plurality of blades. A brush is mounted on the cover to disrupt an air ... | 05/03/2005 |
| 6877934 | Milling head for thread whirling A milling head for thread whirling, the milling head includes a plurality of cutting elements evenly disposed around a center hole, each cutting element in the plurality of cutting elements includes at least two cutting surfaces formed thereon. Any one of the at lea... | 04/12/2005 |
| 6799358 | Method for assembling and disassembling cutting inserts A method for assembling or disassembling cutting inserts mounted in a rotary cutting tool assembly (20). The cutting tool assembly comprises a plurality of coaxially mounted cutters (22) on a common shaft (24) having an axis of rotation (A). The... | 10/05/2004 |
| 6682272 | Rubber cutting apparatus The present invention is directed to a rotatable abrading wheel assembly useful to finish rubber articles such as tire casings. The assembly has three rotatable wheels, with a central abrading wheel disposed between a pair of lateral support wheels. Each ... | 01/27/2004 |
| 6675849 | Adjustable tenoning shim The invention relates to a device and method for making tenons using an adjustable shim placed between cutting blades. The adjustable shim has a plate with a recess capable of accepting spacers of varied thicknesses and a cover that encloses any of the sp... | 01/13/2004 |
| 6676340 | Tool and method for machining workpieces A tool for machining workpieces, having at least one cutting edge which is fastened to a main body of the tool. A respective deburring device removes the burrs produced by each cutting edge during machining. The deburring device is supported at the main b... | 01/13/2004 |
| 6502487 | Method of machining workpiece with complex tool A method of machining a workpiece uses a complex tool having a number of inserts. The tool is installed on a tool holder of a machine tool and used for a turning machining operation on a workpiece, including rotating the workpiece, and selectively using o... | 01/07/2003 |
| 6354347 | Router bit for forming raised door panels A router bit for forming the edges of a raised door panel which includes a rotatable drive shaft, a profile cutter fixed to the drive shaft, and a back cutter fixed to the drive shaft for rotation therewith. A cylindrically-shaped pilot member is disposed... | 03/12/2002 |
| 6343902 | Reamer and method of using the same A reamer T including three-stage chip groups 6, each group having five chips 6 disposed circumferentially on a circle of a diameter smaller than an inside diameter of a hole H in a work W, axially at a given pitch P. When the axis Lt of the rotated reamer... | 02/05/2002 |
| 6129488 | Pipe-cutting and chamfering arrangement The invention pertains to a device for cutting and chamfering thin-walled pipes. In order to cut and chamfer a pipe, a drive unit with tools arranged on its shaft is manually guided around a pipe that is clamped in a vise by means of clamping jaws with a ... | 10/10/2000 |
| 6119741 | Rotary cutter head A rotary cutter head is provided having body shape characterized, generally, outwardly-shifted cylinder segments to shift cutter head weight and force to the knife blades and to balance and extend the knifes from the central core of the cutter head while ... | 09/19/2000 |
| 6109152 | Cutting tool assembly A cutting tool assembly wherein a cutting head is releasably retained by a tool holder by using of interacting coupling members, with one of the coupling members being inserted into a cavity of the other coupling member, with radially extending abutment w... | 08/29/2000 |
| 6055729 | Method for manufacturing a liquid jet recording head A method for manufacturing a liquid jet recording head comprises the steps of obtaining a laminated body by laminating a liquid path formation layer forming liquid paths on a metallic base board having discharge energy generating elements on it, forming a... | 05/02/2000 |
| 5983967 | Toolhead for a shaping machine The invention concerns a tool head for shaping machine designed to machine the side segments of tree trunks. The tool head has a rotationally driven main body (1) with several groups of chipper blades (2, 3) round its circumference. The front chipper blad... | 11/16/1999 |
| 5800098 | Cutting tool assembly A tool assembly comprises first and second tool assembly units formed with interfitting male and female coupling members coaxially coupled together so as to have a common longitudinal axis, whereby a moment transmitted to the first unit is transmitted to ... | 09/01/1998 |
| 5727913 | Double edge trimming tool A tool for simultaneously machining two opposing edges of the end face of a horizontal plate is disclosed. The tool comprises two machining means, rotatable about a vertical axis; the lower machining means is at a fixed vertical position, while the vertic... | 03/17/1998 |
| 5662435 | Cutter bit A cutter bit includes a body integrally formed with a mounting shank. The body is formed with a pair of chip boxes having an arcuate surface and a planar surface with a cutting knife mounted to each planar surface. A plurality of equally spaced recesses a... | 09/02/1997 |
| 5651644 | Rotary shaving cutter with alternatively arranged plates A wafer shaving cutter includes a plurality of first annular plates alternatingly arranged with spacers or second plates and joined together into a fixed member. Each of the first plates includes a plurality of circumferentially spaced teeth, each tooth h... | 07/29/1997 |
| 5468100 | Adjustable gap two-member rotary tool A rotary device for simultaneously treating two or more regions of a workpiece, which includes a rotatable shaft having an externally threaded portion. Mounted on the shaft, connected to the shaft or integrally formed with it, is a first tool. The device ... | 11/21/1995 |
| 5391025 | Propellant grain machining device An apparatus for cutting a path of propellant grain away from a solid rocket motor. The apparatus includes a telescoping arm connected to a rotatable body. A cutting tool having a primary and secondary cutter is connected to a distal end of the telescopin... | 02/21/1995 |
| 5309962 | Multiple saw blade adjustable dado cutter assembly including a cam assembly and nestable dado blades A multiple saw blade adjustable dado cutter assembly. The cutter can be used with a table saw or a radial arm saw, for example, to make dado cuts in board lumber. A pair of cooperating cams, each connected to a saw blade, can be adjusted to make a dado cu... | 05/10/1994 |
| 5259428 | Rotary cutters This invention relates to a rotary cutter comprising a central member (11) adapted to be mounted to a shaft for rotation therewith and supporting a plurality of teeth (14a, 14b) located at intervals around a circular path, each tooth having at least one c... | 11/09/1993 |
| 5206977 | Constructive arrangement of tire rasping separator and saw assembly There is disclosed a saw blade mounting assembly of this invention for a tire rasping apparatus, which comprises at least one rotatable cap and a plurality of pins extending orthogonally from the cap to receive the saw blade mounting assembly thereon. The... | 05/04/1993 |
| 5201353 | Reconfigurable debarker head A debarker head for use in a rotary tree debarking machine has a drive shaft with a polygonal cross sectional shape and a plurality of substantially similar cutting elements with mounting apertures corresponding to the drive shaft shape and sized for slip... | 04/13/1993 |
