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| Number | Title | Issue Date |
| 7651303 | Conduit reamer tool element A conduit reamer for a cutting tool includes a generally cylindrical body having a longitudinal axis and a blade coupled to the generally cylindrical body. The blade includes a first blade portion defining a first height of the conduit reamer with respect to the lon... | 01/26/2010 |
| 7338236 | Cutting tool A milling tool 1, in particular a tubular drill, includes a shaft 2 and a working portion 3. At least one cutting edge 8 is provided at a face of the working portion 3 and at least one bore 4 extends into the face of the wor... | 03/04/2008 |
| 7273332 | Method and apparatus for through-hole placement in a building structure A method and apparatus for creating a through-hole in a building structure includes selecting a first location on a first side of the building structure that will define a first opening of the through-hole; disposing a magnet at the first location; selecting a secon... | 09/25/2007 |
| 7237984 | Hole-cutting saw The invention relates to a pilot guide and hole-cutting saw system for cutting deep holes through an indeterminate depth of material while eliminating the problem of drift and wobble associated with the use of conventional hole saws. The system comprises a hole saw ... | 07/03/2007 |
| 7210881 | Sleeved stop for a drill bit A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one i... | 05/01/2007 |
| 7188690 | Drilling device and method for producing undercut holes A drilling device for producing undercut holes. The drilling device includes a drilling tool having an axis of rotation and a cutting portion arranged such that the cutting portion drills a hole with a longitudinal axis that is radially offset with respect to said a... | 03/13/2007 |
| 7155789 | Cutter adjustment system An improvement for a cartridge case trimmer which indexes on the shoulder of the case as established by the resizing die and permits a rotating cutter assembly to trim the neck of cases from the inside at a controllable angle. The cutter assembly includes a notched ... | 01/02/2007 |
| 7143673 | Method for tube end preparation and milling head therefore Tube ends such as those of boiler tube banks, are prepared utilizing any of various combinations of processes which include a step of micro-diameter tube film removal from a portion of a tube end, including an area below a beveled segment, or segment to be beveled. ... | 12/05/2006 |
| 7093360 | Method of removing boiler tubes Boiler tubes are removed from a boiler vessel without damaging the vessel by severing the boiler tube near the exterior periphery of the vessel, and using a piloted rotary cutting tool fixtured with respect to the longitudinal axis of the severed boiler tube to remo... | 08/22/2006 |
| 7048478 | Composable machine tool Composable machine tool for chip removal, on major workpieces, within wide diameter and/or great length clearance holes, made up of a shaft (1) upon which a machine base, controlled by a first engine (50) for the rotation movement and by a second engin... | 05/23/2006 |
| 7008149 | Tool kit and method of using A new and improved tool kit and method of using the tool kit for use in making a substantially perpendicular indented surface around an existing threaded bolt hole in a workpiece is disclosed. The kit comprises a guide rod and a grinder drill bit. The guide rod has ... | 03/07/2006 |
| 6994002 | End prep tool and tool centering and mounting system for use therewith An end prep tool is mounted in substantial alignment with a theoretical center of a pipe and used to prepare an end of a pipe, for example, by boring and/or cutting the end of the pipe. A tool centering and mounting system comprises a clamp cage and a tool mounting ... | 02/07/2006 |
| 6929430 | Pipe fitting removal tool A method and tool are disclosed for removing a plastic water closet flange from the waste pipe to which it is attached so that a new flange may be chemically bonded to the existing waste pipe. A preferred embodiment of the water closet flange removal tool includes a... | 08/16/2005 |
| 6514020 | Pilot bit guide device A guide device for pilot hole drill bits for use with hardware items having countersunk screw holes, wherein the device provides a drill bit holder which is reciprocably mounted in a body member on a drill axis and which is formed with an abutment end por... | 02/04/2003 |
| 6511267 | Tool for removing broken fittings A tool for removing a tubular member having a threaded exterior, such as a pipe fitting, from a threaded bore. The tool includes a pilot section for guiding the tool into an interior of the tubular member, a shank section adapted for connection to a drill... | 01/28/2003 |
| 6409437 | Hole saw centering device A cone shaped hole saw centering device for locating a hole saw where a hole larger than the pilot bit of the hole saw already exists. The device is simple with no attachment or adjustment necessary. It would locate a hole saw on any size hole from the in... | 06/25/2002 |
| 6368032 | Chamfer cutter A chamfer cutter for machining a counter sink in a threaded hole of a work piece is composed of a housing and a tool rest. The housing has a tapering part at a bottom thereof and a chamber at a top thereof. A first channel is defined at an outer periphery... | 04/09/2002 |
| 6309145 | Portable machine tool for conditioning header tube openings for butt-welding tubes A portable machine tool for removing stub ends of heat exchange tubes from a heat exchanger header or other plate structure and preparing the tube opening in the header for butt-welding a new tube at the opening. The tool includes a mandrel that may be lo... | 10/30/2001 |
| 6305885 | Hole enlargement apparatus A hole enlargement apparatus which uses a simple spring biased disc to center a larger hole cutter in the existing hole and a disc retention means to ensure that the disc does not fall unretrievably into the enlarged hole. The apparatus is used in conjunc... | 10/23/2001 |
| 6206616 | Tool and method for cutting a circular opening and retaining the cut portion A tool and method for cutting a circular opening and retaining the cut portion. The tool comprises a shaft having at least one cutting thread and at least one tapping thread, or at least one cutting thread and at least one male screw thread, or only at le... | 03/27/2001 |
| 6206618 | Rotary pipe cutting apparatus A rotary pipe cutting apparatus for removing sections of broken pipe from the bore of an outer pipe. The invention includes a cylindrical body with a longitudinal slot that is angularly offset from the rotational axis of the body and which is tapered in d... | 03/27/2001 |
| 6192567 | Repair system for damaged transmission housings A process for repairing a defective opening in an automotive transmission housing includes the steps of (a) providing a drilling jig sized to fit closely within the servo bore chamber, the drilling jig having an alignment aperture concentric with the open... | 02/27/2001 |
| 6171032 | Mechanically actuated chip-less boring head for forming a hole in a workpiece A cutting tool [10] for use in forming circular and non-circular holes in a workpiece [16] includes a boring shaft [12] that is rotatable about an axis [15] and a boring head [14] that is secured to the boring shaft [12]. A cutting blade [46] extends bene... | 01/09/2001 |
| 6099213 | Automatic boring device An automatic boring device is provided that comprises a tool housing having attached to it two opposing handles with switches mounted thereon for selective engagement of pneumatic controls that activate a clamping device, rotation of a chuck of a pneumati... | 08/08/2000 |
| 5954462 | Spot facing machine A spot facing mechanism employs a self centering chuck, a stationary mandrel and housing. Axial feed controls are also stationary when the apparatus is operational. Incremental radial feeding of the tool head is provided, with the degree of feed being adj... | 09/21/1999 |
| 5947655 | Rotary pipe cutting apparatus A rotary pipe cutting apparatus for removing sections of broken pipe from the bore of an outer pipe. The invention includes a cylindrical body with a longitudinal slot that is angularly offset from the rotational axis of the body and which is tapered in d... | 09/07/1999 |
| 5944458 | Boring machine alignment system and method of use A method and apparatus (50) for forming counterbores (30) (32) in a selected cylinder borehole (12) in an engine block (11) by aligning and securing the column (51) of a boring machine (50) relative to both the longitudinal axis (20) of a given cylinder b... | 08/31/1999 |
| 5888032 | Paddle fitting tool A paddle fitting tool for drilling a hole through a wing spar inserted into a paddle fitting where the paddle fitting has a top fork with a hole and a bottom fork also having a hole approximately aligned with the hole in the top fork. The paddle fitting t... | 03/30/1999 |
| 5846034 | Automated drill stem guide and method In a petroleum coking drum, a drill stem guide latches internally to a structure adjacent the drum opening, rather than externally to a flange about the drum opening. In preferred embodiments, the latching mechanism is spring loaded, and operated automati... | 12/08/1998 |
| 5836725 | Apparatus and method for boring overhead cam engine cylinder heads A method and machine for repairing overhead cam engine cylinder heads and the like. The method includes the steps of removing the caps from the bases of the bearing towers or housings, removing material from the legs of the caps to reduce their height, re... | 11/17/1998 |
| 5820315 | Hole saw roller guide A shaft sized to fit conventional hole saw mandrels has two set screw flats and a retaining head. A cylindrical roller is mounted on the shaft against the retaining head, and a cylindrical spacer is mounted by set screws on the shaft above the roller. The... | 10/13/1998 |
| 5820314 | Tool for centering a punch or drill on a stud's broken face A tool for preparing broken stud bolts or the like for extraction by screw extractors has a guide for centering a center punch and/or a drill on a broken face of a stud. The guide is a nut and a shaft assembly. The nut has a central bore therethrough havi... | 10/13/1998 |
| 5788429 | Cartridge case outside neck shaver A shaver for cartridge case necks indexes on the shoulder of the case and permits a rotating cutter assembly to shave the neck of cartridge cases at optimum cutting angles by round cutters while a pilot end from the same shaft rotating the cutter assembly... | 08/04/1998 |
| 5785466 | Tool for aligning a portable boring bar for reboring of a bore at a location relative to a further bore A tool for aligning a portable boring bar for reboring of a bore at a location relative to a further bore including at least first and second "H"-shaped rigid guide members that are hingedly connected to permit their outboard ends to be selectively spaced... | 07/28/1998 |
| 5782588 | Draw bar assisted rotary hole sawing Improved, draw bar assisted, rotary hole sawing apparatus that provides the versatility and methods required whereby operator ingenuity can achieve a set up to accomplish the required hole sawing or similar type machine operation in a wide variety of posi... | 07/21/1998 |
| 5746551 | Hole preparation apparatus and method of use A hole preparation apparatus for back drilling, upsizing and reaming mating precision holes. The apparatus includes three main sections--a tubular body section, a base and a drive shaft assembly. The drive shaft assembly includes an upper portion sized to be r... | 05/05/1998 |
| 5741097 | Heat exchanger fin remover A heat exchanger fin remover includes a first hollow cylindrically shaped member having a closed end and an open end. The closed end is provided with a centrally disposed portion including a centrally disposed threaded aperture adapted to be received by a... | 04/21/1998 |
| 5732607 | Portable machine tool A machine tool comprises a chuck mountable in a bore of a workpiece, a drive assembly attached to the chuck, and a tool head releasably attached to the drive assembly. The tool head has a tool head body, and a drive shaft extends through the tool head bod... | 03/31/1998 |
| 5649791 | Apparatus and method for boring a hole in a broken bolt A device and associated method for drilling a hole in the center of a broken element that is engaged within a bore, thereby enabling the broken element to be retracted by engaging the newly drilled hole. The present invention includes a collar member that... | 07/22/1997 |
| 5615981 | Forming threaded holes A threaded hole may be formed in a lid of an underground petrol tank without emptying the tank or removing the lid, using a tool (FIG. 3) having a taper tap section (61), an intermediate tap section (62) and a final tap section (63). At the leading end of... | 04/01/1997 |
