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| Number | Title | Issue Date |
| 7343946 | High speed planer head A high speed planer head. Disclosed according to one aspect of the invention is a hub and a threaded member. The hub is axially disposed for rotation about an axis, and has a pocket for receiving a first knife against a supporting wall of the pocket. The threaded me... | 03/18/2008 |
| 7326214 | Bone cutting device having a cutting edge with a non-extending center Apparatus and a method of inserting spinal implants is disclosed in which an intervertebral space is first distracted, a hollow sleeve having teeth at one end is then driven into the vertebrae adjacent that disc space. A drill is then passed through the hollow sleev... | 02/05/2008 |
| 7284935 | Rotary cutting tool A rotary cutting tool comprises a body having opposite ends and a plurality of diametrally opposed pairs of flutes forming cutting edges extending helically from one end of the body toward the opposite end. All of the cutting edges are circumferentially spaced unifo... | 10/23/2007 |
| 7168512 | Cutting insert and milling cutter with such a cutting insert A cutting insert 1, 1′, comprising opposite insert planes E1, E2 of a base 2 of one base area 3 wherein a conical surface section 4a of a lateral face 4 and the base area 3 facing the same form an acut... | 01/30/2007 |
| 7134811 | Helical end mill type cutter configured to compensate for radial runout An end mill type rotary cutting tool and associated cutting inserts that collectively compensate for radial pocket runout, thereby eliminating overlap marks in a machined work piece. The tool has pockets arrayed in helical flutes such that after one insert has abrad... | 11/14/2006 |
| 7094005 | Shank milling cutter having a wiper radius A shank milling cutter includes a cutting portion which is intended to come into engagement with the workpiece, wherein the envelope surface of the cutting portion is substantially cylindrical. At least one major cutting edge is arranged at the peripheral surface of... | 08/22/2006 |
| 7090442 | Shaper router and method A routing tool for cutting material and an associated apparatus and method are provided. The tool includes a substantially cylindrical shaft member having a shank portion and a cutting portion. The cutting portion includes a plurality of cutting teeth disposed perip... | 08/15/2006 |
| 6976815 | Milling cutter having three continuously curved cutting edges A milling cutter includes a body having three cutting edges formed by the body. An end of the body situated opposite the cutting edges defines a fastening end of the milling cutter. Each cutting edge extends from an outer periphery of the body substantially to a cen... | 12/20/2005 |
| 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 |
| 6709318 | Dual-grinding method for bar blades and grinding disc for carrying out said method A grinding wheel and a method for grinding bar blade for the production of spiral gear teeth are described. For economical grinding of such bar blades the grinding wheel has a conical grinding surface (Pp) widening from a small diameter (d1) to a large diamet... | 03/23/2004 |
| 6221076 | Bone reamer for sharping bone sockets or cavities during orthopaedic surgery The invention is directed to a reamer for shaping a bone socket such as an acetabular cavity. The reamer comprises a cutting head for removing material from the socket during rotation of the cutting head. The cutting head comprises a number of relatively ... | 04/24/2001 |
| 6164877 | Formed rotary cutting tool having varying diameter and constant clearance angle, and method of forming groove by using the same A formed rotary cutting tool including; a generally cylindrical body portion having (a) a plurality of flutes which are formed in the body portion to generally axially extend and which are located around the axis so as to be angularly spaced apart from ea... | 12/26/2000 |
| 6095723 | Engraving tool and method for forming An engraving tool includes an end portion extending to a tip, a pair of flutes in the end portion and wall sections between the flutes. The wall sections are ground in the area of the tip to form surfaces having cutting edges and facets disposed at specif... | 08/01/2000 |
| 6071045 | Cutting insert and tool A cutting insert (20) having a geometrical configuration comprising first and second oppositely facing, parallel faces interconnected by a V-shaped bottom (26) and side (28) and top (30) walls perpendicular to the faces with the side walls (28) being para... | 06/06/2000 |
| 6053673 | Corner rounding milling and insert therefor An improved corner-rounding milling cutter preformed indexable and insert therefor. A plurality of the inserts staggered around the axis of rotation of the cutter body cut segments of a composite arcuate cutting profile of uniform radius, together forming... | 04/25/2000 |
| 5924824 | Cutting insert A cutting insert for mounting in a cutting tool, comprises a cutting head portion with a substantially arcuate cutting edge and a substantially trapezoidal mounting body portion integrally formed therewith. The mounting body portion has substantially plan... | 07/20/1999 |
| 5915888 | Rotary cutting tool assembly The present invention relates to a rotary cutting tool assembly comprising a combination of a single ball nose cutting insert of a generally elongated configuration. The ball nose cutting insert is fixed into a holding body provided with a slot adapted to... | 06/29/1999 |
| 5873681 | Cutter plate for milling tool A cutter plate (20) for a milling tool (10), has a top surface (26) with fastening hole and a bottom surface (28) with a thread cutting profile. Between these two faces (24, 26) and at a side surface (28), a cutting edge (32) is formed which is adjoined i... | 02/23/1999 |
| 5833402 | Removable copying cutter The present invention relates to a copying cutter provided with a cylindrical or conical body having a spherical end, constituting the active portion of the cutter, said end including a plurality of flutes inclined at a determined angle θ relative to the... | 11/10/1998 |
| 5741095 | Cutting tool and insert therefor A ball end mill and an insert for use in the cutting tool. The insert has a constant angle maintained along the entire clearance face.... | 04/21/1998 |
| 5632576 | Cutting plate for a ball head miller A cutting plate for a ball-head finish miller has a support body of hard metal centered on an axis and having a pair of oppositely directed and symmetrically oriented faces each formed with a respective substantially circularly segmental recess of a prede... | 05/27/1997 |
| 5597269 | Cutting tool for honeycomb core A cutting tool for cutting a honeycomb core having a plurality of spiral blades each of which is formed integratedly with a cylindrical body of the cutting tool and has a lead angle of 60 degrees and more with respect to an axis of the cylindrical body. E... | 01/28/1997 |
| 5516242 | Cutting tool and shank A cutting tool particularly adapted for machining brittle plastics in which the cutting head has its cutting edges in the first and fourth quadrants of the x-y axes and contained in a common plane on opposite sides of the axis of tool rotation. The cuttin... | 05/14/1996 |
| 5363891 | Tubular saw tooth and mount assembly In one embodiment of saw tooth assembly, the tubular saw tooth is releasably inserted with friction fit inside the hollow of a tubular mount. In an alternate embodiment, it is the tubular mount which is releasably inserted with friction fit inside the hol... | 11/15/1994 |
| 5348426 | Ball nose cutter having a single cutter insert A ball nose cutter having a replaceable single cutter insert in which the cutting edges thereof include a pair of mutually spaced apart cutting tips, one cutting tip at a time being selected for use by being located at the centerline of rotation of the ba... | 09/20/1994 |
| 5075942 | Tire rasp blade A tire rasp blade has a planar body portion and a working edge portion. The working edge comprises a combination of adjacent, or closely aligned teeth and spaced teeth. The trailing edges of any one adjacent tooth is displaced from the plane of the body p... | 12/31/1991 |
| 5035546 | Radiused on-edge indexable cutting insert On-edge indexable insert for cutting radiused corners including circular arc cutting edges each with trailing surface formed with convex compound curvature as a toric segment intersecting the adjacent side wall to provide a planar abutment surface when a ... | 07/30/1991 |
| 4988241 | Cutter with angled diamond inserts A cutter body (22, 22') has a slot (26, 26') opening onto its nominal outer cylindrical surface (24) and extending along a plane that intersects the cutter axis (X) at an acute axial rake angle (A). A flat cutter blade insert (40) with an elliptical polyc... | 01/29/1991 |
| 4963059 | Rotary cutting tool A rotary cutting tool includes a body having a cutting portion and an axis of rotation therethrough. The body has a plurality of helical flutes formed in a circumferential surface of the cutting portion in circumferentially spaced relation to one another ... | 10/16/1990 |
| 4946318 | Milling cutter with removable inserts The invention relates to a milling cutter which comprises a body (1) having two indentations (4,5) presenting each a housing (4',5') the body of which makes with the longitudinal axis of the body an helix angle which is not equal to zero. In each housing ... | 08/07/1990 |
| 4945487 | Data processing device for three dimensional surface machining A data processing device for machining a three dimensional surface includes a tool locus data generator providing tool shape and dimension indicative information of a machining tool and machining route information, calculating information selected from a ... | 07/31/1990 |
| 4936361 | Rotary cutter A rotary cutter bar for a tree felling apparatus. The bar comprises a cylindrical rod having a plurality of raised cutting teeth on its surface. Each tooth is in the form of a short curved bar. The teeth are located on a plurality of equally spaced-apart,... | 06/26/1990 |
| 4898500 | Ball end mill with throw away insert A ball end mill having a plurality of throw away inserts. Its body is formed in its hemispherical portion at diametrically opposite positions with insert mounting pockets each having a plurality of insert mounting seats. In each set, an insert having an a... | 02/06/1990 |
| 4883391 | Ball end mill A ball end mill includes a body, an indexable cutter insert and a clamp screw. The body has a recess formed in a forward end portion thereof and a bore formed therein and opening to a bottom face of the recess. The bore includes a cylindrical portion disp... | 11/28/1989 |
| 4844666 | Insert rotary cutting tool An insert rotary cutting tool includes a tool body of a generally circular cross-section having an axis of rotation therethrough and having an outer periphery. The cutting tool has plural groups of cutting inserts releasably mounted on the outer periphery... | 07/04/1989 |
| 4838739 | Ball nose end mill and method of manufacture Ball nose end mill and method of manufacturing replaceable on-edge high positive single cutting edge triangular inserts each with a pair of dovetail side walls firmly secured by a central screw in a matching dovetail body pocket. Right cylindrical or coni... | 06/13/1989 |
| 4826363 | Face-milling cutter for a planer In a milling cutter, particularly a planer face-milling cutter having at least one blade arranged in a groove of the cylindrical milling cutter body, which blade has a spiral shaped cutting edge, both the sides of the groove which runs at an angle greater... | 05/02/1989 |
| 4802799 | Drill bit A drill bit tip construction wherein the cutting edge at the tip of the drill bit is arranged to cause fragmentation of the chips being removed from the work metal during the drilling operation. The cutting edge of the drill bit at the drilling tip is mad... | 02/07/1989 |
| 4795289 | Reamer A reamer is provided with teeth (3) having a cutting portion (4) and a smoothing portion (5), wherein at least part of the rear surface of the latter portion is fashioned as a strip. Each tooth (3) has its front angle smoothly decreasing in the direction ... | 01/03/1989 |
| 4762446 | Cutter of tip dresser for welding apparatus A cutter of a tip dresser for welding gun has three blades, one of which is extended to a central position of the cutter and includes a flat portion and an upstanding portion. A cutting edge is formed on the flat portion reaching from the central position... | 08/09/1988 |
