Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7367755 | Cutting element A cutting element for the machining of metallic workpieces has a body formed with an upper and a lower face of which at least one is designed as a mounting face, and a side face that connects the upper and the lower faces, that is perpendicular thereto, and that tog... | 05/06/2008 |
| 7351017 | Solid drill bit for machine tools A solid drill bit for machine tools has a drill bit body and two indexable inserts arranged at a radial distance from one another in respective insert seats. The inserts have an essentially quadratic contour. Their front-end main cutting edges project axially beyond... | 04/01/2008 |
| 7334962 | Monolithic pour crack control system and method of use A joint assembly for controlling fractures along a fracture axis in a monolithic pour concrete structure is provided. The concrete structure is defined by a first edge form section and a generally opposed second edge form section. The joint assembly is characterized... | 02/26/2008 |
| 7287937 | Multi-function milling cutter A multi-function miller cutter includes a shank with a receiving portion defined in the shank at an end of the shank. A threaded hole is defined in the receiving portion so as to secure a disposable cutter. An angle is defined between an axis of the shank and a cent... | 10/30/2007 |
| 7237985 | Cutting plate for rotating tools A cutting plate for rotating tools includes a major cutting edge connected to a minor cutting edge in a radial extension thereof over a cutting corner. A common face joins a longitudinal side of the major cutting edge and the minor cutting edge, while a major flank ... | 07/03/2007 |
| 7231703 | Deburring method and automotive knuckle A knuckle 1 has a through hole 3 provided in a fitting hole 4 thereof. A cutting tool 9, which has a diameter being larger than that of the through hole 3 and also has a cutting part having a hemispherical leading end portion, is c... | 06/19/2007 |
| 7226250 | Tool and method for forming a lug hole A single tool that provides multiple machining operations for forming a lug hole through a vehicle wheel hub includes an end portion having a first diameter and a mid-portion having a second diameter that is greater than the first diameter. A spade drill bit is moun... | 06/05/2007 |
| 7220086 | Tool head with at least two indexable cutting inserts The invention concerns a tool head for employment in machine tools with multiple indexable cutting inserts (20, 20′, 20″). The tool head includes a base body (12), a tool shank (14) projecting axially beyond the base body (12) and at ... | 05/22/2007 |
| 7217070 | Deburring tool and cutting insert therefor A deburring tool having an indexable cutting insert having four cutting edges. The cutting insert has a main body portion and a protruding guide member. The cutting insert is slidably retained in an insert pocket with the main body portion of the insert located in a... | 05/15/2007 |
| 7201542 | Solid drill bit for machine tools A solid drill bit for machine tools. has a bit body and two movable inserts located a radial distance apart in insert seats of the bit body. The inserts have a rectangular or quadratic contour, project axially over the bit body with their major cutting edges and ove... | 04/10/2007 |
| 7189030 | Cutting tool A cutting tool comprises a tool body having a pocket for supporting an insert. The tool body may have a flute for evacuating chips from a workpiece during a cutting operation. The tool body and the insert may have complimentary shapes to cooperatively form an uninte... | 03/13/2007 |
| 7182556 | Drill and throwaway insert A drill improving the aligning accuracy of an insert and achieves a stable machining operation while maintaining the strength of the drill main body. The drill includes a drill main body rotatable about an axis, and a throwaway insert detachably attached to the dril... | 02/27/2007 |
| 7121768 | Cutting head for machine tool The invention concerns a cutting head (13) to be secured in an adapter (9) in a machine tool for chip removing machining. The cutting head (13) comprises a flange with a first side creating a coupling surface (4) adapted for being secured... | 10/17/2006 |
| 7077606 | Rotating chip removing tool, such as a drilling and chamfering tool, with cutting inserts, and a milling cutter with cutting inserts A rotating chip removing tool, such as a drilling and chamfering tool, and a milling cutter, each of which have at least one cutting insert or cutting plate. The cutting plate has a guide recess that adjoins the underside of the cutting plate. A plate seat for accom... | 07/18/2006 |
| 7008148 | Cutting insert for chip removing machining A cutting insert, intended for chip removing machining, includes a body delimited by two opposite, first and second surfaces, which in the operative state of the cutting insert form an actively chip removing top surface and a bottom surface, respectively. The insert... | 03/07/2006 |
| 6974280 | Rotary cutting tool A rotary cutting tool having the general form of a circular disk with cutting inserts secured tangentially to the circumference of the tool's body, for metal machining in general and for machining cam lobes. The cutting inserts have concave side surfaces and concave... | 12/13/2005 |
| 6957936 | Tool for machining pipe ends A tool for removing material or machining the end of a pipe. The tool having at least one and preferably two blade plates. Each blade plate includes a first cutter for machining an end surface of the pipe, a second cutter adjacent the first cutter for producing an i... | 10/25/2005 |
| 6948891 | Drilling tool set, drilling tool and indexable drill bit therefor A drilling tool set includes a plurality of drilling tools having different operative drill diameters to blast drill holes of different respective diameters. Each drilling tool of the set has a basic body defining a central axis of rotation, and two replaceable inde... | 09/27/2005 |
| 6929432 | Drilling tool and indexable drill bit A drilling tool includes a basic body defining a center axis of rotation and having two chip channels and two replaceable indexable cutting bits in the form of a center bit and a periphery bit mounted in respective center and periphery pockets formed in an axially f... | 08/16/2005 |
| 6884007 | Tool for material-removing machining of workpieces A tool for material-removing machining of workpieces of hard metal with a blade plate held by a clamping lug is suggested which is distinguished in that the blade plate (11) has a groove (25) provided on the front side (45) in which the clamping... | 04/26/2005 |
| 6872035 | Machining tool A machining tool for bores in thin-walled work pieces with at least one cutting plate is recommended that is characterized in that the at least one cutting plate (9, 9′, 9″; 9a, 9′a) is inserted into the circumference surface (15... | 03/29/2005 |
| 6709206 | Pipe beveller tool A rotational pipe beveling tool that includes a frustoconical surface and a two edged cutting blade. ... | 03/23/2004 |
| 6527486 | Cutting insert for drill A cutting insert for a during includes a broken main cutting edge, the ends of which join respective additional edges of the insert by curved nose portions. Each curved nose portion forms a curved cutting edge defined by at least three sequentially arrang... | 03/04/2003 |
| 6503030 | Reamer A reamer for the fine machining of surfaces of drilled holes in metal workpieces has a reamer body and at that body has at least one main blade and at least one auxiliary blade, a chip surface adjoining the blades at one side and a chip deflector step lim... | 01/07/2003 |
| 6224301 | Tool for fine machining boring surfaces A cutter insert for a tool for the finish machining by chip removal of bore surfaces in workpieces is proposed, the cutter insert being inserted in a recess introduced into the peripheral surface of the tool and being held by means of at least one clampin... | 05/01/2001 |
| 6039515 | Drill having radially overlapping indexable cutting inserts A drill includes a shank, a central insert and a peripheral insert. The shank defines a central axis of rotation and has pockets which carry the peripheral and central inserts. Chip flutes are formed in an outer periphery of the shank for conducting chips... | 03/21/2000 |
| 5897273 | Deburring tool and process on a hole opposite the tool A deburring machine essentially comprising a cutting tool (13) which pivots on an axis (16) that is perpendicular to the axis of rotation (X) and which may be retracted inside the cover (11) by a wedge (10) so that the cover (11) may be inserted through a... | 04/27/1999 |
| 5890850 | Bowl hawg tool for enlarging valve bowls on cylinder heads A bowl cutter for enlarging cylinder head valve bowls and the like that includes at least one cutting blade with first and second cutting edges. The bowl cutter further includes a body with at least one cutter mount including a clamp that securely holds t... | 04/06/1999 |
| 5765973 | Reversible conuntersink A deburring tool having an insert having four cutting edges such that the tool will cut in either direction of rotation is disclosed. The insert is pivotably mounted on a handle.... | 06/16/1998 |
| 5503509 | Cutting insert and drilling tool for drilling in solid materials A drill having at least one and generally at least two cutting inserts fixed in a cutting end of the drill and in which each cutting insert is a polygonal body having at least three cutting vertices and respective cutting edges between the vertices which ... | 04/02/1996 |
| 5431513 | Adjustable boring bar with improved accuracy An adjustable boring bar assembly is provided in which the cutting radius can be altered by predetermined increments simply by releasing and turning the bar within a sleeve of a hydraulic holder. The holder sleeve is slightly eccentrically located relativ... | 07/11/1995 |
| 5427480 | Boring tool having an adjustable cutter element A boring tool is equipped with a radially adjustable clutter element, and a remotely-operated mechanism for adjusting the cutter element between its active and inactive positions. During movement of the tool into a hole in a work piece the adjustable cutt... | 06/27/1995 |
| 5421681 | Boring tool having adjustable cutter elements A boring bar in which a cutter element holder is adjustable around a transverse pivot axis, so that different cutting elements can be used to machine the hole surface during movement of the boring bar in opposite directions. The transverse pivot axis is d... | 06/06/1995 |
| 5314272 | Drill A drill of simple construction, using commercially available tips or tips obtained by simply modifying them, well balanced in cutting resistance, and capable of drilling small-diameter holes. A main cutting edge (12) of a center-side cutting edge 1 is situated... | 05/24/1994 |
| 5286042 | Tool holder with centering adjustment A tool holder for a machine tool is provided with a tool shank clamping mechanism in the form of an expanding or contracting sleeve, hydraulically actuated, and the chuck has an annular groove aft of an annular collar on the clamping mechanism. Circumfere... | 02/15/1994 |
| 5269618 | Indexable insert drill An indexable insert drill for producing a hole in a workpiece by relative rotary motion between the drill and workpiece. The drill comprises an elongated body having a central axis and a leading end, and a plurality of cutting inserts mounted on the leadi... | 12/14/1993 |
| 5259706 | Thread repairing tools A threading tool for repairing, in situ, threads within a bore of a head of an internal combustion engine without the danger of particulate waste falling into the engine housing. The threading tool can be used separately or in combination with a reaming t... | 11/09/1993 |
| 5092718 | Drill with replaceable cutting inserts A metal cutting drill with two replaceable cutting inserts which are positioned to cut the full circumference of a hole during each one-half revolution of the drill. Each insert is triangular and includes an active cutting edge having a curved corner to e... | 03/03/1992 |
| 5024563 | Cutting apparatus Boring apparatus includes a multiple start screw to secure a cutting piece to a boring bar. The multiple start screw prevents loosening of the cutting piece during use of the boring apparatus. The multiple start screw also enables easy changing of the cut... | 06/18/1991 |
| 4984943 | Drill with balanced inserts A drill has a shank with a central axis of rotation and at least one insert on one end of the shank. The insert has at least two cutting edges. The first and second cutting edges cooperate to form a hole when rotated about the central axis. One of the top... | 01/15/1991 |
