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| Number | Title | Issue Date |
| 7097179 | Apparatus and method for manufacturing rubber-wrapped spiral wound gaskets A spiral wound gasket made of an elongate band with a portion of the elongate band jacketed by a resilient filler material, the jacketed elongate band wrapped in a plurality of overlapping turns to define a radially thick reinforcing member with the band in each tur... | 08/29/2006 |
| 7090459 | Hybrid seal and system and method incorporating the same A seal having a first seal mechanism adapted for insertion between a first structure and a second structure, wherein the first structure is in communication with a first medium and the second structure is in communication with a second medium. The seal also includes... | 08/15/2006 |
| 7033135 | Method and apparatus for distributing fluid into a turbomachine An apparatus for distributing a fluid in a gas flow path inside a turbomachine, comprising: a device for introducing the fluid into the gas flow path; and wherein the device is positioned within the gas flow path. A method for installing an apparatus that will distr... | 04/25/2006 |
| 6939106 | Sealing of steam turbine nozzle hook leakages using a braided rope seal A steam turbine includes a stator supporting a plurality of turbine nozzles. The stator has shaped grooves for receiving a complementary-shaped nozzle hook formed on an end of each of the turbine nozzles. A rope seal is disposed in each interface between the nozzle ... | 09/06/2005 |
| 6926285 | Jacketed spiral wound gasket A spiral wound gasket made of an elongate band jacketed by a sealing material, with the elongate band wrapped in overlapping turns to define a radially thick gasket with an inner diameter for being exposed to a material to be sealed and an outer diameter, in which t... | 08/09/2005 |
| 6708983 | Spiral wound cylinder head gasket A gasket having a plurality of superposed windings of a profiled metal strip spirally wound upon itself around a central axis, a plurality of windings of a strip of graphite interposed between at least some of the superposed windings of the metal strip, and a solid ... | 03/23/2004 |
| 6517086 | Exhaust pipe gasket A spiral-wound gasket includes a plurality of tightly wound metal windings to form a core. The windings each have a Chervon cross-section, wherein V-notched undulations of each winding registers with an adjacent winding at said notches. The edges of the w... | 02/11/2003 |
| 6511076 | Fiber gasket and method of making same A gasket (1) is made by repetitively spirally winding a fiber (3) back on itself in a closed path. The gasket (1) so made has a multi-layer spiral winding (1) formed in a loop (5). The fiber (3) can be wound at a constant wrap rate to form a gasket with a... | 01/28/2003 |
| 6123746 | Filter holder and gasket assembly for candle tube filters A candle filter holder and gasket assembly for holding a candle filter element within a hot gas cleanup system pressure vessel contians a filter housing (62), a candle filter attached to the filter housing and at least one associated gasket (74) and/or (7... | 09/26/2000 |
| 6116614 | Sealing member A sealing member is provided which can be spirally wrapped around an elongate article (e.g., a cable) comprises a strip of sealing material (e.g., gel sealing material), and at least one series of gripping elements situated adjacent to the strip of sealin... | 09/12/2000 |
| 6039325 | Resilient braided rope seal A resilient braided rope seal for use in high temperature applications includes a center core of fibers, a resilient canted spring member supporting the core and at least one layer of braided sheath fibers tightly packed together overlying the spring memb... | 03/21/2000 |
| 5964468 | Anti-buckling spiral wound gasket An improved spiral wound gasket is disclosed that deters and redirects buckling. The invention includes the following: an integral inner ring, a gasket element, outer wraps and a outer guide ring. The integral inner ring is a winding of a thin strip of me... | 10/12/1999 |
| 5797604 | Metal gasket A metal gasket excellent in sealing performance and capable of sealing with a small pressing force. The metal gasket comprises at least one metal sheath with a C-shaped cross-section and a ring elastic core surrounded by the metal sheath. The metal gasket... | 08/25/1998 |
| 5794946 | Spiral wound gasket A spiral wound gasket able to compress and seal under various loads and provide sealing capabilities. The gasket generally includes a spiral wound portion and an outer guide ring to limit the compression of the gasket. The spiral winding is formed of inte... | 08/18/1998 |
| 5551706 | Composite gasket for sealing flanges and method for making and using same Improved gasket material and method for use in sealing various flanged apparatus, such as found in distillation columns, glass lined vessels and transformer radiator flange seals. The gasket material comprises a cylindrical core of elongated polytetrafluo... | 09/03/1996 |
| 4611694 | Mounting pin seals for disc brake calipers A cylindrical seal for mounting pins for disc brake calipers has two parts. The first part is an elastomeric seal with a central accordian portion and radially extending end flanges. The second portion is a helical spring made of flat wire coiled in teles... | 09/16/1986 |
| 4457490 | High temperature valve and seat therefor A valve seat for use in a fluid control valve employing a pivotable valve closure element to open and close the valve, the seat comprising an annular polymeric member provided with a seating surface which sealingly engages the valve element when the valve... | 07/03/1984 |
| 4361335 | Annular gasket for static sealing for very high temperatures and small pressure drops, and method of making A seal adapted for environments in which high temperatures are experienced and low pressure drops are met is made by coiling in plural spirals about itself a metallic work-hardened tape which has, in cross-section a shape in the form of an open V, a throa... | 11/30/1982 |
| 4203191 | Process and apparatus for assembling spiral wound gaskets into gauge rings Disclosed is a process and apparatus for assemblying spiral wound gaskets into gauge rings. The process comprises exerting inwardly directed radial forces on the exterior of the spiral wound gasket, causing it to decrease in diameter sufficiently to slip ... | 05/20/1980 |
| 4189819 | Method of manufacturing metallic spirally wound gaskets For manufacturing a metallic spirally wound gasket having an outer centring ring it is proposed spirally to coil a corrugated strip of metallic material to form a sealing element of desired diameter and to surround the thus formed sealing element with a c... | 02/26/1980 |
| 4127277 | Spiral wound gasket assembly and method Spiral wound gasket assembly and method of making same, wherein a spiral wound gasket ring is positioned in an inner groove in a metal gauge ring and a deformation is formed in the gauge ring adjacent the groove to reduce the size of the gauge ring groove... | 11/28/1978 |
| 4063845 | Turbomachine stator interstage seal Successive outer stator shroud rings of a gas turbine confront each other at the downstream edge of one and the upstream edge of the other, with a gap between them. To seal against leakage through this gap, edges of the shrouds have grooves aligned to def... | 12/20/1977 |
| 4019244 | Spiral wound gasket assembly method Spiral wound gasket assembly and method of making same, wherein a spiral wound gasket ring is positioned in an inner groove in a metal gauge ring and a deformation is formed in the gauge ring adjacent the groove to reduce the size of the gauge ring groove... | 04/26/1977 |
