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| Number | Title | Issue Date |
| 7862263 | Cutting tool with multiple flutes defining different profiles, and method A cutting tool having multiple cutting edges includes a tool body having a longitudinal axis, a first cutting edge including a first leading edge that defines a first profile when rotated about the longitudinal axis, and a second cutting edge including a second lead... | 01/04/2011 |
| 7367754 | Variable helix rotary cutting tool A rotary cutting tool has a substantially cylindrical main body and four flutes. The main body has a shank end, a cutting end formed integrally opposite the shank end, and a longitudinal axis of rotation. The four flutes include a pair of flutes comprising a first f... | 05/06/2008 |
| 7322774 | End mill and a method of operating an end mill An end mill for cutting or milling objects and a method of operation thereof. The abstract of the disclosure is submitted herewith as required by 37 C.F.R. §1.72(b). As stated in 37 C.F.R. §1.72(b): A brief abstract of the technical disclosure in the specification... | 01/29/2008 |
| 7311479 | Rotatable tool and a blank The present invention relates to a tool as well as a blank for manufacturing of the tool. The tool is made of solid cemented carbide and includes a shank for mounting in a rotatable spindle and chip flutes. Lines of intersection between the chip flutes and clearance... | 12/25/2007 |
| 7290972 | Screw anchor for friable material A screw anchor includes a roughly cylindrical body (1) with a drilling portion (3) provided, at its free end, with drilling teeth (14-16), at the other end of the body, a bearing flange (5) and an external screw thread (7). ... | 11/06/2007 |
| 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 |
| 7225715 | Variable tooth saw blade An apparatus for cutting materials and more specifically an improved saw blade includes a plurality of variable teeth thereon. The variable tooth saw blade cuts faster and smoother while reducing harmonic vibrations. Specifically, the teeth on the saw blade are grou... | 06/05/2007 |
| 7223053 | Helical flute end mill with multi-section cutting edge An end mill is provided that includes a shank section and a fluted section. One or more helical teeth are disposed along an outer surface of the fluted section. Each helical tooth has a cutting surface and a relief wall that intersect to form an angle defining a hel... | 05/29/2007 |
| 7204663 | Multi-purpose end-mill A multi-purpose end-mill to be used for different machining purposes, in particularly useful for closed or open contours machining. The end-mill comprises a cylindrical shank portion connected to a first cutting portion provided with a plurality of spaced-apart cutt... | 04/17/2007 |
| 7198436 | Multi-blade router tool, edger with multi-blade router tool, and method of edging eyeglass lenses The present invention relates to a router tool for edging the peripheral edge of eyeglass lenses. The tool comprises a longitudinally extending body rotatable on the axis thereof. A first blade extends axially and radially from the body, and has a first cutting port... | 04/03/2007 |
| 7153067 | Rotary cutting tool having multiple helical cutting edges with differing helix angles A rotary cutting tool is disclosed including a substantially cylindrical main body having a shank portion at one end and a point at an opposite end. Five flutes are formed in an outer surface of the main body. Each of the flutes extends continuously from the point t... | 12/26/2006 |
| 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 |
| 7013784 | Variable tooth saw blade An apparatus for cutting materials and more specifically an improved saw blade includes a plurality of variable teeth thereon. The variable tooth saw blade cuts faster and smoother while reducing harmonic vibrations. Specifically, the teeth on the saw blade are grou... | 03/21/2006 |
| 6991409 | Rotary cutting tool A rotary cutting tool that includes an elongated tool body, rotatable along a longitudinal axis of rotation is disclosed. It has a fluted cutting end on one end and a shank end on the opposite end of the tool body. The fluted cutting end includes a nose, a periphery... | 01/31/2006 |
| 6979153 | Deep-grooving insert having stepped cutting edge A deep-grooving chip-forming cutting insert includes a rear mounting portion, a front cutting portion, and a pair of side walls, each side wall extending along the front and rear portions. The front cutting portion includes a front end surface, a top surface, and a ... | 12/27/2005 |
| 6976811 | Milling cutter A cutting tool for cutting a workpiece comprising a tool body having an outer surface thereon and a central axis therein and including at least a first and second spiraling flute in the outer surface, each flute including a plurality of inserts secured therein to de... | 12/20/2005 |
| 6923227 | Canter chipper head The present invention provides a canter chipper head that comprises a rotor suitable for rotation about a rotation axis. The rotor has a lateral side and a frontal side, and includes a first cutting assembly and a second cutting assembly that are each mounted to the... | 08/02/2005 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6368030 | Solid end mill A solid end mill is provided which can prolong the useful life of the tool, without any adhesion to the work material, even aluminum or similar material, during a or cutting or drilling operation. The solid end mill includes a chip discharge flute, which ... | 04/09/2002 |
| 6164876 | Cutting tool A cutting tool having a body that is cylindrical in shape having a shank at one end and a cutting end opposite thereof. The cutting end has an even number of flutes thereon with every other flute being a cutting flute, such as a knuckle flute including a ... | 12/26/2000 |
| 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 |
| 5368079 | Adjustable dado An adjustable dado having the adjustment ease of a wobble type dado with the cut quality of a stacking type dado. The outer cutting blade is bored and threaded, and a threaded adjusting collar is threaded into the outer blade. An adjustment washer has pin... | 11/29/1994 |
| 5122134 | Surgical reamer The cutting head for a surgical reamer has a leading end for insertion into a bone canal and a trailing end for attachment to a drive shaft. The cutting head has a cutting surface formed about an axis of rotation of the cutting head. The cutting surface i... | 06/16/1992 |
| 5054177 | Tire rasp blade A tire rasp blade is provided with an elongated planar body having a working portion comprising a plurality of uniformly and closely spaced teeth which define an arcuate working perimeter. Each of the teeth has a base and a working edge and is separated f... | 10/08/1991 |
| 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 |
| 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 |
| 4808044 | Insert cutter An insert cutter includes a cutter body of a generally circular cross-section having an axis of rotation therethrough. The cutter also includes a plurality of cutter inserts releasably mounted on a periphery of the cutter body in circumferentially spaced ... | 02/28/1989 |
| 4806050 | Edge routing cutter A rotary router bit for smoothing the edges of a sheet of abrasive or easily splintered material has two collars axially spaced on the router shank. Each collar has peripheral cutting teeth overlapping opposed teeth of the other collar and inclined at a s... | 02/21/1989 |
| 4463645 | Circular saw A circular saw having dual chip cutting action in which all of the saw teeth are of like width and radial height and have similar tooth geometry with the working surface of the leading tooth face disposed at a negative rake angle and having side portions ... | 08/07/1984 |
| 4433948 | Cutter for a crankshaft milling machine A milling cutter for a crankshaft milling machine includes a disk, a plurality of generally square-shaped tips mounted on the disk and a plurality of forming tips mounted on the disk. The square-shaped tips and the forming tips are alternately arranged in... | 02/28/1984 |
| 4012820 | Circular saw having teeth with an improved metal breaking geometry A circular saw includes a plurality of teeth having an improved metal breaking geometry. The saw is especially adapted to cut hard, brittle materials such as steel bars and the like. The saw teeth are generated by a cup shaped grinding wheel having a grin... | 03/22/1977 |
