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Pneumatic Shoe Lacing Apparatus
This invention provides a pneumatic shoe lacing apparatus for the pneumatic lacing of shoe.
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| Number | Title | Issue Date |
| 7314218 | Externally mountable spiral adaptor An adaptor that can be used with rotary fluid equipment will protect mechanical seals and/or packing material adjacent a seal cavity (18) of the equipment. The adaptor includes an annular body (30) with a central bore (32) adapted to receive a s... | 01/01/2008 |
| 7198275 | Sealing and replenishment gasket The annular sealing cup with axis Δ, a so-called replenishment cup, which is intended to be positioned between a hydraulic cylinder and piston and which has a axial section and has application to braking circuits comprises: ... | 04/03/2007 |
| 7134491 | Leak remedy through sealants in local reservoirs The present invention provides a method for remedying minute seal leaks in downhole tools and equipment. The various embodiments of the present invention utilize pressure activated liquid sealants stored in local reservoirs to remedy such leaks. ... | 11/14/2006 |
| 7121551 | Bushing arrangement for seal cavity protection in rotating fluid equipment An arrangement (120) of members for a throat bushing for rotary fluid equipment includes a first member (122) that is useful for seal cavities that contain conventional packing, and a second bushing member (132) that will be used in conjunction ... | 10/17/2006 |
| 7108058 | Packing assembly for rotary drilling swivels and pumps having rotating shafts A packing assembly for use with a rotary drilling swivel having a cylindrical wash pipe comprising a housing assembly including a packing gland forming a sealing assembly chamber around the wash pipe, the packing gland including an injection port in open communicati... | 09/19/2006 |
| 6971479 | Top of rail applicator An applicator (10) for applying a friction modifying material to the top of rails (12). The wayside applicator includes an applicator bar (26) that has a dam for holding friction modifying material. ... | 12/06/2005 |
| 6938687 | Apparatus for transfer of heat energy between a body surface and heat transfer fluid In apparatus for heat exchange to and from a body surface using a heat transfer liquid a heat exchanger comprises a plurality of elements within a casing connected axially against one another with spacer tube elements. Each element has its periphery spaced from the ... | 09/06/2005 |
| 6932351 | Packing case for cooling compressors and other machinery A packing case for cooling compressors and other machinery is disclosed. A packing case includes an opening through which a movable machinery shaft may be inserted such that the packing case is mounted on the shaft. In an exemplary embodiment, the packing case conta... | 08/23/2005 |
| 6916022 | Shaft seal A sealing assembly for extending around a rotating shaft for preventing the transmission of fluids along the shaft, in which a sealing element is biased towards the rotary sealing part; and a pusher sleeve extends between the sealing element and a housing. ... | 07/12/2005 |
| 6834862 | Shaft sealing system for a rotary mechanical device A sealing system to be inserted into the seal cavity of a rotary mechanical device to provide a seal and a bearing surface to eliminate whip in a rotating shaft. The sealing system includes a split bushing element to allow easy installation over the shaft. The bushi... | 12/28/2004 |
| 6817228 | Method and apparatus for detecting seal failure Pumps and valves with movable parts, such as a plunger, typically have seals around the part. The seals may isolate one chamber from another to prevent leakage across the seals. The pressure in one chamber may be different from the pressure in another adjacent chamb... | 11/16/2004 |
| 6796324 | Fugitive emission collection device A fugitive emission collection device for acquiring an atmosphere sample around a seal is provided. The emission collection device has a rigid member that forms a low impedance cavity shaped to overlay a seal. The emission collection device has a conduit with an inl... | 09/28/2004 |
| 6698764 | Packing assembly The invention provides a packing assembly for rotating and/or oscillating machine shafts arranged in a machine housing. The packing assembly comprises a packing accommodation unit floating on said shaft. The packing accomodation unit is supported on the h... | 03/02/2004 |
| 6641140 | Apparatus for retaining lubrication oil at sliding surface of shaft seal device disposed within oil chamber of submersible pump An apparatus for retaining lubrication oil at the sliding surface of a double-type shaft seal device disposed within an oil chamber of a submersible pump. The apparatus prevents lubrication oil from scattering from the center portion of the oil chamber of... | 11/04/2003 |
| 6601854 | Shaft seal A shaft seal in which a rotary dealing part is mounted coaxially with a sealing element and forms therewith a primary seal between opposed faces of the sealing element and the rotary sealing part to substantially prevent fluid flow across the primary seal... | 08/05/2003 |
| 6578850 | Dynamic seal for a drive shaft A dynamic seal for a drive shaft including a seal housing with at least one inlet for injecting a fluid, (i.e., a liquid or gas) into the seal. The seal also has an expeller device, such as an expeller ring mounted on the drive shaft, for expelling the in... | 06/17/2003 |
| 6234490 | Leakfree pumpback packing A mechanical packing braided such that a number of angled recesses or projections at predetermined intervals are formed in the surface of the braid adjacent a rotating shaft, the recesses or projections causing a deflecting hydrodynamic force on the fluid... | 05/22/2001 |
| 5979483 | Valve assembly and method Disclosed is a valve assembly having a slidable valve stem that passes through a bushing enclosed in a bonnet. At least one circumferential stem seal seals the valve stem to the bushing. At least one passageway is provided through the bushing for injectin... | 11/09/1999 |
| 5921554 | Anti-pack out seal An anti-pack out seal for use between fluid containing cylinders and pistons which are axially slideable therein and which extend through an opening in the end of such pistons. This seal has an annular channel adjacent to a resilient elastomeric seal ring... | 07/13/1999 |
| 5873575 | Fluid cooled packing case member for compressors and other machinery A packing case member or packing cup for use in a package of other similar cups for mounting on a reciprocally or rotatably movable machinery shaft to prevent gas leakage along the shaft is disclosed. The member includes a circular central opening for the... | 02/23/1999 |
| 5513556 | Packing gland construction An improved packing gland construction for a fluid cylinder that includes an angular elongated resilient sealing member disposed in contact with the piston rod of the cylinder. An end of the sealing member facing the interior of the cylinder is provided w... | 05/07/1996 |
| 5395469 | Method of making an improved spirally-formed seal for shafts and valve stems A packing material for formation of a seal for a rotary or reciprocating shaft is disclosed wherein a core element is enveloped by a sheet of expanded graphite material. The core element is preferably formed of a wire mesh and solid graphite. The envelopi... | 03/07/1995 |
| 5346136 | Fuel injection valve A fuel injection valve for an engine comprises a tubular housing having a central throughway. An axially directed valve seat defines an outlet from the throughway. At least one housing fuel inlet communicates the exterior of the housing with the throughwa... | 09/13/1994 |
| 5343944 | Self aligning stuffing box for pumpjack units A self aligning stuffing box for a pumpjack unit of the type having a polished rod reciprocatingly extending therethrough and downhole to a pump located at the lower end of the borehole. The stuffing box is an annular main body having a tubing adaptor at ... | 09/06/1994 |
| 5178363 | Valve stem sealing means for prevention of fugitive emissions A valve stem sealing means comprising first and second seal assemblies, the first seal assembly being proximate a valve plug and comprising an expandable ring adapted to be expanded by pressure within the valve to effect a first seal around the valve stem... | 01/12/1993 |
| 5078175 | Valve A valve comprises a first relatively fixed valve component assembly surrounding a second valve component assembly which is relatively movable within said first assembly. A seal is provided between the first and second valve component assemblies and a barr... | 01/07/1992 |
| 5062439 | Method and apparatus to facilitate the injection of sealant into a pressurized fluid member A method and apparatus are provided for injecting sealant into a packing assembly chamber surrounding a valve stem 11 of a valve 2 without venting the pressure within the valve 2. A cylindrical body 60 is frictionally welded to the exterior of the valve 2... | 11/05/1991 |
| 5052427 | Method and apparatus to facilitate the injection of sealant into a pressurized fluid member A method and apparatus are provided for injecting sealant into a packing assembly chamber surrounding a valve stem 11 of a valve 2 without venting the pressure within the valve 2. A cylindrical body 60 is frictionally welded to the exterior of the valve 2... | 10/01/1991 |
| 4972867 | Valve stem seal leak protection and detection apparatus A safety structure for detecting fluid leakage from a valve having an exposed end of a rotatable valve stem connected to a valve element within the valve for rotating the valve element between an open and a closed position. The safety structure comprises ... | 11/27/1990 |
| 4916938 | Valve leakage inspection, testing and maintenance process A valve maintenance process is described that allows for the inspection and testing of valve stem packing and back-seat leakage. The process uses the characteristics of incompressible fluid flow to check the integrity of the valve back-seat, to allow the ... | 04/17/1990 |
| 4878677 | Shut off seal about a shaft of a device having a side entry into a tank A shut off seal in a device having a rotatable shaft extending through a nozzle side entry structure of a tank is provided by means of a slidable stuffing box housing which can be moved by jack screws into engagement with a sealing collar fastened to the ... | 11/07/1989 |
| 4844479 | Structure of a gland packing box A structure of a gland packing box is enhanced in the lubricating function and cooling function of the seal part, by forming at least one disclocating part for partly dislocating in the axial direction a gland packing of the gland packing box. The disloca... | 07/04/1989 |
| 4795171 | Self-pressurized shaft or closure seal A pressurized fluid housing (4) has an opening (6) for receiving a movable shaft or stem (2). A hold down plate or bonnet (8) covers the opening and has an aperture (14) through which the shaft enters the housing. The hold down plate further includes a ri... | 01/03/1989 |
| 4758135 | Pump head A pump and a stress and fatigue resistant pump head, one embodiment of which is useful for a high pressure pump and having a manifold, a valve cartridge, inlet and outlet valves in the valve cartridge, a pump fluid cylinder with a reciprocating plunger th... | 07/19/1988 |
| 4728198 | Kneader A kneader includes a vessel having an upper cover, at least one mixing blade provided in the vessel for mixing or kneading a powder material supplied in the vessel, sealing means for sealing between the vessel and ends of a shaft of the mixing blade exten... | 03/01/1988 |
| 4712772 | Power hydraulic gear A power hydraulic gear comprising a housing (1) which accommodates a piston (3) through which a traction guide member (7) is passed, and a mechanism for alternately engaging the piston (3) with the traction member (7). The traction member (7) is a rope se... | 12/15/1987 |
| 4572519 | Packing assembly for use in a plunger bore In plunger-type pumps a packing assembly is installed around the plunger to prevent fluid from leaking past the moving plunger. The packing assembly includes male and female adaptor rings, which are in face-to-face contact with the packing rings, but prov... | 02/25/1986 |
| 4515512 | Seal for high pressure pump or the like A seal for the drive shaft of a gear pump for melted polymeric materials is provided, which includes a reduced pressure zone, a mechanical packing seal, and a liquid filled chamber positioned in succession along the drive shaft. The liquid is a solvent fo... | 05/07/1985 |
| 4474382 | Unitized seal carrier assembly for reciprocating shaft An improved seal carrier assembly for use in the fluid end of a reciprocating pump.... | 10/02/1984 |
| 4451047 | Seal Combined metal-to-metal/compliant material stem sealing means for high pressure, balanced, rising stem gate valve includes at least one seal set at each of the actuator and balance stems. Each seal set comprises a pair of frustoconical metal ring gaskets ... | 05/29/1984 |
