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| Number | Title | Issue Date |
| 7246975 | Hole saw with replaceable cutting tip A device for cutting a hole, such as in sheet metal is provided. The device includes an axially rotatably cylindrical body that is operable with a rotatable drive. A distal end portion of the body includes a replaceable cutting tip and a replaceable pilot. The cutti... | 07/24/2007 |
| 7147409 | Drill countersink assembly A combination tool for drilling a bore and countersink for that bore includes a countersink member. The countersink member comprises a longitudinal sleeve with a first end and a second end. The sleeve contains a longitudinal bore through the sleeve from the first en... | 12/12/2006 |
| 7131181 | Tool for manufacturing ballpoint pens A tool and method of manufacturing a tool for making ballpoint pen tips, called rough tips, in their seat zone and preferably in their cone zone. The tool is mounted in fast-rotating precision spindles and the position of the tool may be adjusted to adjust the dimen... | 11/07/2006 |
| 6939092 | Sheet metal hole cutter A sheet metal hole cutter has a cap plate defining a substantially circular peripheral groove and an annular shelf extending radially outwardly from the peripheral groove. An elongated band forming an approximately circular shape with opposite ends of the band conta... | 09/06/2005 |
| 6838198 | Organic/inorganic-oxide multilayer materials The present invention relates to novel organic/inorganic-oxide multilayer materials. In particular novel organic/inorganic-oxide materials based on single or multiple atomic layers of tungsten oxide, molybdenum oxide or other metal oxides interspersed between organi... | 01/04/2005 |
| 6755598 | Multi-tool boring head and process for boring A boring head is disclosed in which a plurality of boring tools provide a plurality of simultaneous cuts to a workpiece. A tool holder supports the plurality of boring tools generally perpendicular to a bore axis, so as to increase the rate of a boring operation. | 06/29/2004 |
| 6325575 | Tool for machining multiple surfaces on a stationary workpiece A tool for simultaneously machining multiple surfaces on a stationary workpiece can include a rotary tool body having multiple cutter assemblies spaced circumferentially around the tool body. Different ones of the cutter assemblies can include differently... | 12/04/2001 |
| 5649795 | Machine tool A device for performing a plurality of operations on a workpiece has a combination tool holder and a rotatable spindle for retaining the tool holder. The combination tool holder has a central opening at its forward end for receiving a drill bit and a pair... | 07/22/1997 |
| 5288184 | Deburring tool with additional cutting tool A deburring tool for deburring bore edges of bores consists of a rotating tool holder on which one or more radially adjustable cutting knives are arranged. To ensure universal application of the deburring tool, additional cutting tools are arranged on the... | 02/22/1994 |
| 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 |
| 4975002 | Boring tool for coarse and fine machining There is disclosed a boring tool which exhibits a cutting head with several cutting plates arranged on the periphery of the cutting head. Each of the cutting plates are pressable with a fastening device against a shoulder of the cutting head. The distance... | 12/04/1990 |
| 4844669 | Insert boring tool and cutting insert therefor An insert boring tool includes a tool body and a cutting insert releasably mounted thereon. The insert includes a plate defined by front and rear surfaces and a plurality of side faces and having a plurality of corners where adjacent side faces intersect ... | 07/04/1989 |
| 4826366 | Cutting tool In a cutting tool with a head, a channel is formed through the head which receives a tool holder, the channel and holder extending perpendicular to the axis of rotation of the head. A screw in the head is provided to clamp the holder in any of a plurality... | 05/02/1989 |
| 4826367 | Cutting tool assembly A cutting tool assembly of the type including a pilot holder and a cutter blade received in a transverse through slot in the pilot holder. The cutter blade is mounted in the transverse slot in the pilot holder in a manner to allow ready replacement of the... | 05/02/1989 |
| 4581824 | Portable adjustable washer cutter and improved washer A portable adjustable washer cutter and improved sealing washer blank useful in telecommunications applications are described. The cutter comprises an essentially flat frame carrying a rotatable shaft and a platform placed opposite thereto for mounting a ... | 04/15/1986 |
| 4490080 | Hole cutting tool A hole cutting tool of the type operable to produce a circular hole by cutting only the circumferential areas thereof, comprising removable cutting inserts which are received in a cutting head of the tool and are engageable with a workpiece to produce a d... | 12/25/1984 |
| 4389866 | Apparatus for forming an enlarged flanged hole in a curved surface An apparatus useful for forming in a curved surface, an enlarged hole surrounded by an upturned flange whose unattached edge lies substantially in a common plane, uses a drill rod, a set of bits, and a mechanism for forming an upturned flange. A first bit... | 06/28/1983 |
| 4265574 | Combined boring and milling tool A combined boring and milling tool has at least three triangularly shaped turnable cutter blades. The effective cutting edge of the first turnable cutter blade extends as bit (or drilling cutting edge) from the periphery of the shank at least to its axis.... | 05/05/1981 |
| 4176990 | Boring tool A boring tool having asymmetric disposition of cutting edges providing smooth, balanced cutting permitting the use of a lighter tool for a given job and having proportions providing a range of lateral adjustment for increasing hole size when desired while... | 12/04/1979 |
| 3994194 | Cutting apparatus A cutting apparatus for making circular or circular arc-like cuts in a sheet of material such as paper, cloth, leather, plastic, rubber and the like. A substantially planar base is provided to receivably support said sheet and a hinged apertured clamping ... | 11/30/1976 |
