Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8074332 | Method for removing oilfield mineral scale from pipes and tubing A method for removing mineral scale from tubing is disclosed. The method may include the steps of making a first longitudinal cut along a length of the tubing, making a second longitudinal cut along a length of tubing, and removing a plurality of sections of tubing,... | 12/13/2011 |
| 7032279 | Apparatus and methods for repairing compressor airfoils in situ The apparatus includes a track mounted in the inlet of a compressor. A manipulator is mounted for movement about the track and carries three modules, the last of which mounts a tool head for movement in a Cartesian coordinate system and about the track. A measuring ... | 04/25/2006 |
| 6295708 | Tip cleaning system for welding nozzle An apparatus and a method are described for dislodging and removing welding slag from the tip of an electric arc welder, particularly a robotically controlled welder. When a torch finishes its welding cycle, it is moved to a designated cleaning point wher... | 10/02/2001 |
| 6276881 | Method of manufacturing slotted component Apparatuses and methods are implemented for machining a longitudinally extending slot in a bore of a component. The component is gripped in a gripping device of a workholding device. A cutting operation is performed in order to cut the slot in the bore by... | 08/21/2001 |
| 5573450 | Abrasive blasting device The present invention relates to an abrasive blasting device characterized in that to the first longitudinal inlet end of the injection abrading diffuser 1 there is associated a socket 2 and to the second longitudinal inlet end of the diffuser there is as... | 11/12/1996 |
| 5460563 | Method for preparing the internal surface of pipe A method for preparing the internal surface of pipe particularly for internal coating or lining includes grinding the internal surface of the pipe and then abrasive blasting the internal surface. After grinding the internal surface of the pipe, the pipe i... | 10/24/1995 |
| 5363530 | Pipe joint cleaner A pipe joint cleaner device primarily for plastic pipes which after being cut are to be joined together comprising an open tapered cone member having a plurality of sharp raised projections on both the exterior face of such cone and on the interior face t... | 11/15/1994 |
| 5197173 | Method for reclaiming internal pipe mineral buildup Short pipe sections having mineral material deposit buildup therein are forced toward and upon a diametric wedge-type blade by a hydraulic ram, there being provided a guide for maintaining proper orientation of the pipe section being cut between the ram a... | 03/30/1993 |
| 5157803 | Sweeper A sweeper for sweeping the interior space of a pipe by passing the sweeper through the pipe to remove scale from the inner surface of the pipe. The sweeper includes a body made of a resilient material, such as foamed polyurethane, and a plurality of pins ... | 10/27/1992 |
| 4765016 | Chip removing device A chip removing device for removing foreign matter such as chips from a groove defined circumferentially on an inner peripheral surface of a cylindrical workpiece, which includes a blowhead that is fittable into the cylindrical workpiece, a shaft for supp... | 08/23/1988 |
| 4753050 | Apparatus for cleaning and peening ingot molds A blasting wheel apparatus for treating the interior surface of a hollow workpiece. There is a superstructure which can be moved into position in vertical registry with the open top of the workpiece. The superstructure has hoppers for storing shot pellets... | 06/28/1988 |
| 4723335 | Wheel bore cleaner Apparatus for cleaning the central opening or bore of a vehicle wheel and an adjacent annular radial surface includes a power driven shaft mounted for rotation about and axial movement along a fixed vertical axis. A cleaning head includes a horizontal pla... | 02/09/1988 |
| 4599967 | Vessel nozzle cleaning apparatus and methods The invention provides an arrangement for cleaning or deskulling the downwardly protruding nozzle of a vacuum degassing vessel comprising a rotatable tool carrier capable of being positioned below the degassing vessel; one or more scraping tools mounted o... | 07/15/1986 |
| 4165626 | Wash water supplying drive head and scraper and cutter assembly An improved wash water supplying drive head and scraper and cutter assembly for use on an apparatus that sequentially receives tubular members such as oil well tubing, with each tubular member when in position on the apparatus being straightened, having r... | 08/28/1979 |
| 4131005 | Tubular member straightening, descaling and hydraulic testing apparatus An apparatus and method of using the same to sequentially subject tubular members such as oil well tubing, drill pipe and the like from a stack thereof to a sequence of operations in which each tubular member while mounted in the apparatus is straightened... | 12/26/1978 |
