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| Number | Title | Issue Date |
| 7827665 | Gasket and mandrel assembly for pipe joints A gasket and mandrel assembly, including a gasket having an annular main body portion with an anchor flange and a pipe sealing portion. The gasket is foldable between a folded position in which the pipe sealing portion is disposed substantially within the main body ... | 11/09/2010 |
| 7454822 | Method of making bristle arrangement for brush seal A method of making a bristle arrangement for a brush seal, which includes providing a bristle arrangement; severing the bristle arrangement, the bristle arrangement now having free ends; and joining the free ends. A method of reworking a bristle arrangement for a br... | 11/25/2008 |
| 7363707 | Braze repair of shroud block seal teeth in a gas turbine engine An undersize repair region of a gas turbine engine stationary shroud is repaired with a sufficient mass of a repair material. The repair region includes a protruding portion that is undersized, and the repair includes machining of the protruding portion, grooving th... | 04/29/2008 |
| 7347424 | Shaft seal having integrated removal feature A dynamic shaft seal assembly has inner and outer cases that are clamped together to secure a seal element therebetween for dynamic sealing about a rotatable shaft. The inner case is formed with integral pull tabs that are engageable by a seal removal tool to facili... | 03/25/2008 |
| 7278208 | Method of replacing an abradable portion on the casing on a turbojet fan A simple and low cost method of replacing an abradable portion on the fan casing of a turbojet includes an inside heating belt together with holding sectors therefor are put into place against the abradable portion, each holding sector including an inflatable bladde... | 10/09/2007 |
| 7276134 | Methods and systems for sealing liquid cooled stator bar end connections for a generator A method includes blasting the interior surfaces of the fitting to stator bar strand joint with CO2 pellets to remove loose copper oxide which otherwise would interfere with proper sealing between an epoxy and the copper surfaces of the joint. After clean... | 10/02/2007 |
| 7231713 | Method of reconditioning a turbine blade A method of reconditioning a rotating blade (1) with a shroud (8) following the operation in a gas turbine, includes the application of a barrier (14) placed on the edge of the shroud (8) facing the edge of a shroud (8) of an adjac... | 06/19/2007 |
| 7131197 | Engine seal installing tool An engine seal installing tool, system and method for facilitating installation of engine seals in a simplified process includes a main screw engageable to an engine shaft. An engine seal is mounted on a seal guide assembly slidably mounted on the main screw. A pres... | 11/07/2006 |
| 7100353 | Portable track link disassembly tool A portable disassembly tool is provided to disassemble a track link assembly from a machine by removing opposed track links from the track link assembly. The portable disassembly tool includes first and second members that are tightly secured to the track link to be... | 09/05/2006 |
| 7073247 | Method of brazing a liquid-cooled stator bar A method for metallurgically bonding a stator bar to a coupling to reduce the incidence of leak paths resulting from corrosion. The stator bar comprises strands through which a liquid coolant can flow. Adjacent ends of the strands are received in an interior cavity ... | 07/11/2006 |
| 6996885 | Method of making bristle arrangement for brush seal A method of making a bristle arrangement for a brush seal, which includes: providing a bristle arrangement; severing the bristle arrangement, the bristle arrangement now having free ends; and joining the free ends. A method of reworking a bristle arrangement for a b... | 02/14/2006 |
| 6971412 | Method for fixing a flexible element in a tube with tight fitting and assembly for use in this method The invention relates to a method for fixing a relatively flexible element (3) in a tube (2) with tight fitting, by arranging around the flexible element a co-displacing member (5) which encloses this element, and forcing the co-displacing membe... | 12/06/2005 |
| 6961639 | Apparatus and process for identification of characters inscribed on a semiconductor wafer containing an orientation mark A device and process are provided for identifying characters inscribed on a semiconductor wafer containing an orientation mark. A semiconductor wafer having characters inscribed on a surface near its periphery is supported about its periphery between three rotary su... | 11/01/2005 |
| 6931705 | Cylinder liner having modified combustion seal and method A method of modifying a combustion seal of a diesel engine fitted with a cylinder liner having an annular top sealing ridge which is damaged or mispositioned so as to interrupt the combustion seal is provided. The method includes exposing the sealing ridge and, with... | 08/23/2005 |
| 6801733 | Printer cartridge and method of making or refurbishing A printer cartridge and method of making or refurbishing a printer cartridge are disclosed. The printer cartridge may include a first cartridge subassembly attached to a second cartridge subassembly. The first cartridge subassembly may include a first conductive ter... | 10/05/2004 |
| 6782592 | Method for retrofitting a pressure molding system A system for pressure molding plastic material includes a source of hot flowable plastic material and a manifold for receiving hot flowable plastic material from the source and for transporting the hot flowable plastic material to a nozzle that is disposed within a ... | 08/31/2004 |
| 6779239 | Method for removing a seal A method is disclosed for removing a seal that is fixed in a groove of a component. A highly pressurised jet of liquid is aimed at the seal or between the seal to free it from the groove. The method is particularly suitable for freeing a sealing strip in a rotor or ... | 08/24/2004 |
| 6722850 | Endface gap sealing of steam turbine packing seal segments and retrofitting thereof Spline seals are disposed in circumferentially registering slots of adjacent arcuate sealing segments disposed in grooves of the casing of a steam turbine about a rotor. The spline seals extend in the gap between the endfaces of the segments and minimize or preclude... | 04/20/2004 |
| 6640826 | Systems and methods for servicing ball valves A temporary ball valve support structure is utilized to apply pressure to the ball in a ball valve so that a seal is maintained between the ball and the upstream seal member in the ball valve to prevent fluid from leaking from the valve while the valve is... | 11/04/2003 |
| 6634074 | Method for sealing a leak in a pipe joint A method for repairing a leak in a pipe joint, the joint including a gasket. The method requires a passage to be formed through the wall of the first pipe. A space is then formed in the gasket communicating with the passage. After this, a sealant is injec... | 10/21/2003 |
| 6612008 | Method and device for mobile on the spot production of sealing elements For providing machine-made and individually fabricated seals and gaskets on the spot a seal or gasket fabricating machine is adapted to the dimensions and conditions of a mobile van-type service vehicle, and is installed within the van-part of the vehicle... | 09/02/2003 |
| 6571470 | Method of retrofitting seals in a gas turbine A method of retrofitting a gas turbine wherein the gas turbine comprises a stator and a rotor. The rotor is coaxially aligned with the stator and spaced apart from the stator so as to define a gap therebetween. The method of retrofitting comprises fixedly... | 06/03/2003 |
| 6543113 | Tooling components for crankshaft seal removal and installation A kit of tooling components for use in facilitating the removal as well as the installation of a crankshaft seal includes a housing assembly which is constructed and arranged for attachment to a crankshaft seal during the removal procedure and for pushing... | 04/08/2003 |
| 6449825 | Roof inspection method A tool (20) is used to cut a sample (12', 52') from a roof covering (12, 52). The sample (12', 52') is inspected. A mastic is placed in the opening in the roof covering (12, 52) from which the sample (12', 52') came. The mastic forms a plug (50, 58) which... | 09/17/2002 |
| 6324757 | Method of repairing an engine cooling system A method of repairing a coolant system associated with an engine for a vehicle, including disconnecting a gooseneck connected to said engine and removing from said engine its thermostat; disconnecting a bottom radiator hose connected to said engine and fl... | 12/04/2001 |
| 6276036 | Motorcycle fork tube bushing and seal driver A bushing and seal driver 10 for motorcycle fork tubes that includes opposing bushing and seal ends 18 and 20 configured and longitudinally dimensioned to insert a corresponding bushing 30 or seal 38 into a motorcycle fork tube 16 a predetermined distance... | 08/21/2001 |
| 6264203 | Methods and apparatus for repairing a cracked jet pump riser in a boiling water reactor utilizing a spacer camp A method for repairing cracked jet pump riser assemblies in a boiling water reactor utilizes a spacer clamp and a seal collar. The spacer clamp is secured to the riser assembly to limit horizontal displacement of the riser assembly, and the seal collar is... | 07/24/2001 |
| 6240612 | Method for the lining of existing pipes A method of lining installed pipework which includes the steps of taking a length of liner pipe made from a memory retaining plastics material of external diameter greater than the internal diameter of the pipework to be lined, drawing the liner pipe thro... | 06/05/2001 |
| 6154953 | Multi-tool system that can be used for connecting pipes It is of the type comprising a multi-tool system for inspecting, cleaning and replacing members in an oil installation and is one which comprises a support (8) on which there are mounted means (9, 10, 17) capable of laterally shifting at least two devices... | 12/05/2000 |
| 6108902 | Contact pin header connector repair method and repair fixture An annular insulator is positioned around a compliant contact section of a replacement contact pin for a header contact pin connector prior to insertion of the replacement contact pin through a header pin mounting hole and then both the replacement pin an... | 08/29/2000 |
| 6109843 | Shield assembly for masking a stator of a rotary machine A shield assembly 98 is disclosed which has one or more shield elements 102, 104, 106 which block, during machining of a seal member 70 for a rotary machine 10, seal particles from entering a vane cluster 58. Various construction details are developed whi... | 08/29/2000 |
| 6065198 | Tools for installing an oil seal A sealing element which forms a seal between a groove and an outer end of a crankshaft is installed by the use of a guide plate, an adapter and a press. The sealing element can be stretched over a frustoconical wall of the guide plate and slid along the c... | 05/23/2000 |
| 5980204 | Method of establishing hook diameters on diaphragm packing ring dovetails A turbine diaphragm for accommodating a rotor, comprising a diaphragm body having a radially inner bore and an inwardly recessed dovetail groove; a plurality of packing ring segments, each having a dovetail located within the dovetail groove; wherein the ... | 11/09/1999 |
| 5913523 | Transmission leak repair process and plate therefor A method and device for repairing a leak between a channel member through which an axle passes and a cover member of a vehicular transmission or otherwise between inner and outer members. The diameter of the opening in the cover member for the axle is gre... | 06/22/1999 |
| 5893202 | Tool and method for installing the inner oil seal in the hub of a wheel assembly A tool and method by which an inner oil seal may be installed in the hub of a wheel assembly which is in a normal upright position. The tool comprises a shaft with a tool mounting plate affixable to the outer end of a hub with the tool shaft extending axi... | 04/13/1999 |
| 5873697 | Method of improving centrifugal pump efficiency The method includes replacing conventional wear rings between a centrifugal pump casing inlet and the rotatable impeller having a plurality of circumferentially spaced blades. A substitute wear ring is formed of a thermoplastic polymer, POLY-ETHER-ETHER-K... | 02/23/1999 |
| 5704614 | Method of servicing turbine seal A rubbing strip is used in conjunction with the sealing strips of a seal to prevent contact between the sealing strips and a rotating member with which the sealing strips form a seal. The rubbing strip comprises a strip of material which is oriented coaxi... | 01/06/1998 |
| 5694685 | Method and apparatus for treating header plug gasket face An apparatus and method for roughening or otherwise changing the gasket face of a bolt-like header plug. This apparatus utilizes a cutting or etching tool that cuts into the originally flat gasket face. A threaded shank formed by a lathe or other screw cu... | 12/09/1997 |
| 5683530 | Reinforcement methods utilizing high tensile strength composite bands Axially extending structures having internal forces directed radially outward therefrom may be reinforced by installing bands around the structures. The bands consist of a plurality of elastic convolutions of a composite material which assume a coiled con... | 11/04/1997 |
| 5676794 | Method and apparatus for reconditioning and resealing a toner cartridge The invention includes a device for separating a toner hopper from a mounting member so that the cartridge can be reliably resealed and refilled with toner for repeated use. A container holds the cartridge while leaving the outer edge of each of the space... | 10/14/1997 |
