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| Number | Title | Issue Date |
| 5608963 | Method of forming hose and fire sleeve end assembly A firesleeve assembly as used with hose systems, such as pressurized fuel, lubricating and hydraulic circuits. The cut end of a firesleeve utilizing a fibrous material such as glass fiber is enclosed and sealed by a cuff sleeve having a portion located up... | 03/11/1997 |
| 5609713 | Method for producing a bell joint A method and apparatus for fusing a bell connector to the end of a corrugated thermoplastic pipe are disclosed in which an expandable mandrel grips a preformed bell and a pipe support grips a pipe co-axial with the longitudinal axis of the bell. A pipe tr... | 03/11/1997 |
| 5591940 | Protective sleeve A protective sleeve includes a sleeve body and a cover, each having a generally semi-cylindrical cross-section. The cover includes a groove along its longitudinal edges for receiving a silicone chord sealing gasket. The sleeve body has a short cylindrical... | 01/07/1997 |
| 5573282 | Low turbulence joint for lined slurry pipeline A flanged joint assembly for a lined pipeline having a plastic liner and in which the joint is sealed by compression of mating plastic flanges between mating steel flanges and in which plastic flange portions are differentially compressible. Each plastic ... | 11/12/1996 |
| 5568944 | Resin hose connecting structure A resin hose connecting structure includes a resin hose including a hose body and a connecting portion formed coaxially and integrally with an end portion of the hose body and having an inserting inner peripheral surface, and a mating member made of struc... | 10/29/1996 |
| 5560396 | Rigid end socket for flexible tubing and method of making same A rigid end socket for flexible tubing is made by folding an axial length portion of a flexible resilient elastomeric tubing around a rigid metal collar having a substantial axial length. The collar is thus embedded in the end of the tubing to provide a r... | 10/01/1996 |
| 5546989 | Weatherproof flange protective cover and method for protecting a machined surface of a pipe flange using same A flange protector is made from a lightweight and inexpensive weatherproof material having good resistance to impact, weathering and fading. The protector has a double-walled corrugated construction. Circular end walls are connected with interior wall mem... | 08/20/1996 |
| 5526846 | Stiffener with reinforced structure Stiffener comprising an elastic member made of elastomer which surrounds a elongate body to be stiffened, the elastic member being integrally attached to one end of a housing support. It comprises, inside the elastic material (4), a reinforcement (8) exte... | 06/18/1996 |
| 5526847 | Pipes with integral sockets A circumferentially or biaxially oriented plastics pipe comprising a body with an integral socket at one end thereof The socket has a wall of lesser axial draw than the body of the pipe.... | 06/18/1996 |
| 5524675 | Pig safety device A safety device for automatically preventing an injectile propelled within a pipeline having a terminus from inadvertently escaping the pipeline at a coupling point. The safety device automatically engages upon decoupling, thereby safe-guarding the pipeli... | 06/11/1996 |
| 5520221 | Flowmeter measuring tube A measuring tube for a flowmeter. The measuring tube is lined with a tubular lining of thermoplastic material, particularly PTFE or PFA, which comes into contact with the measured substance which flows through the tube. The ends of the tubular lining are ... | 05/28/1996 |
| 5520228 | Fuel extraction coupling for nozzle A fluid extraction hose strider connector coupling assembly for use in a fuel nozzle associated with a coaxial vapor recovery hose. The coaxial hose is operatively connected to the spider connector assembly. The spider connector assembly contains a spider... | 05/28/1996 |
| 5518034 | Flexible hose with a visibly deformable structure upon an internal failure within the hose A flexible hose which makes possible the early visual detection of a malfunction, can have a structure which allows a localized deformation in specified zones. This structure can have a combination of at least one radial expansion zone, and at least one c... | 05/21/1996 |
| 5518793 | Pipework element coating and method of applying A cast-iron pipework element adapted to be buried has an external coating made up of an inner layer of zinc, a porous intermediate layer of zinc/aluminium alloy containing from 5 to 55% of aluminium, and a porous outer layer, or pore-blocking layer, compr... | 05/21/1996 |
| 5518035 | End structure of a hose There is provided a hose end structure comprising an inner layer of a low gas permeability material having a radially outwardly extended end portion, and a rubber layer on an inner surface of the radially outwardly extended end portion.... | 05/21/1996 |
| 5513681 | Fuel dispensing system, hose assembly therefor and methods of making the same A system for dispensing fuel, a hose assembly therefor and methods of making the same are provided, the hose assembly having a spider to maintain the inner hose thereof concentric within the outer hose thereof, the spider being secured to the inner hose a... | 05/07/1996 |
| 5513675 | Pressurized fluid hose A pressurized fluid supply hose which conducts pressurized fluid discharged from a pump to a fluidically operated device is disclosed. A spiral tube formed by two spirally wound band members is fixed by caulking in one end of a steel pipe. The outer shape... | 05/07/1996 |
| 5499660 | Relining pipe having pipe elements interconnected by pipe couplings A relining pipe for insertion inside sewer lines to repair them. The relining pipe is made up of a number of substantially rigid pipe elements (1), which are interconnected by pipe couplings, the pipe coupling including a female sleeve part (2) and a male... | 03/19/1996 |
| 5497514 | Drain cleaning device Disclosed is a low cost, easy to use cleaning apparatus to unclog or clean drain pipes or other conduits by directing high pressure water into contact with any solids in the pipe comprising a spray nozzle mounted in the end of a flexible water supply tube... | 03/12/1996 |
| 5482086 | Hose with intermediate coupling A hose with in intermediate coupling which is capable of optimally holding a nipple at a regular position corresponding to a sleeve by caulking the sleeve, in which a pair of inclined surfaces 4a, 4b are arranged so as to correspond to two positions 2a, 2... | 01/09/1996 |
| 5482089 | Flexible conduit for the exhaust line for an internal combustion engine A flexible conduit for the exhaust line of an internal combustion engine includes a flexurally supple tube having several helical corrugations of equal pitch and a flexible supporting coil spring having its ends fixedly connected to flanges at opposite en... | 01/09/1996 |
| 5472746 | Method of producing an electrostatically painted multi-layered hose A method for producing a multi-layered hose by electrostatically applying a thin resin layer on the inner surface of a tubular rubber outer layer. The resin can be applied by spraying resin powder from a bar nozzle inserted into an opening of the tubular ... | 12/05/1995 |
| 5471686 | Lifting hose with ends sealed by a clamping strip Each end of a lifting hose (10) is sealed pressure-tight by means of two clamping strips (12, 14) , one strip (12) having a row of projecting pegs (20) , and the other strip (14) having holes (30) in a corresponding arrangement. The pegs (20) have thicken... | 12/05/1995 |
| 5472016 | Quick connector stuffer pin A stuffer pin for mounting seals and a retainer element in a quick connector used with fluid conduits. The stuffer pin includes an integral shaft, an enlarged stop and a handle. Annular seal mounting portions are formed on the shaft for releasibly support... | 12/05/1995 |
| 5469894 | Metal duct subjected to steep temperature gradients The present invention relates to a metal duct, the inside of which is subjected to steep temperature gradients, and which includes a sheet metal tube of rectangular crosssection with rounded corners and reinforced with outer stiffeners constituted by memb... | 11/28/1995 |
| 5462089 | Sheet metal duct construction providing preliminary support for corner crimping Rectangular sheet metal duct sections with integral outwardly-and-rearwardly formed end flanges are conventionally made from coiled strip metal to lengths provided by the width of the coil stock, ordinarily slightly less than five feet. As is common pract... | 10/31/1995 |
| 5450879 | Cornerless slip-on flange system for duct connections A cornerless slip-on flange system for duct connections. The system utilizes flange pieces to form a frame at the end of a duct section without the use of connectors at the corners of the flanges, the frames of two sections being used to join the two duct... | 09/19/1995 |
| 5443098 | Thermoplastic pipe nipple The present invention is a thermoplastic pipe nipple for connecting a flexible fluid conduit to a tank, comprising a first elongated tubular portion with a first end for engaging the conduit, and a second end for engaging a second portion of the nipple. T... | 08/22/1995 |
| 5443099 | Tube of composite material for drilling and/or transport of liquid or gaseous products, in particular for offshore oil exploitation and method for fabrication of such a tube A tube includes a tubular part of composite material with a thermosetting resin matrix. A metallic end coupling member is connected to one end of the tubular part and is engaged at least partially inside the tubular part. A tubular covering member of impe... | 08/22/1995 |
| 5435350 | Corrugated plastic flange protective cover A flange protector is made from a lightweight and inexpensive corrugated plastic material having good resistance to impact, weathering and fading. The protector has a double-walled corrugated construction. Circular end walls are connected with interior wa... | 07/25/1995 |
| 5431191 | Mechanically interlocked layered tube with controlled flexibility An all plastic (preferably fluorocarbon) automotive hose has great strength relative to the light weight thereof. The hose is made of an inner layer which has a preferably circumferential grooves on an outer wall and an electrically conductive surface on ... | 07/11/1995 |
| 5429397 | Corrugated pipe with joint and method of forming the latter on the former A corrugated pipe has a solid joint which is formed fixedly on an end portion of the pipe by polymerization and solidification of a reaction solution which polymerizes quickly at room temperature in such a manner that the joint has a first cylindrical por... | 07/04/1995 |
| 5423353 | Hose A collapsible, self-priming hose has a flexible inner tube extending along the interior of the outer tube, which has a diameter sufficiently greater than that of the inner tube to provide an intermediate space between the inner and outer tubes upon inflat... | 06/13/1995 |
| 5421370 | Device for sealingly positioning a tube used to repair a damaged pipe A flange (33) which can be connected to a length of pipe which is to be renewed (1a) and which comprises a series of separable disc-shaped elements individually constituted by a plurality of parts. Sealing-tight gaskets are interposed with a clamping effe... | 06/06/1995 |
| 5419371 | Throttle device, especially for a throttle valve, with throttle cage of ceramic and metal layers A throttle device, especially a throttle valve, is a throttle cage which is a composite of at least two or three layers including an engineering ceramic layer and at least one metal sleeve. In a two-layer embodiment the ceramic is provided on the upstream... | 05/30/1995 |
| 5413146 | Hose with releasable float for leak detection An object of the present invention is to provide a hose of low cost, which can be installed very easily, which remains reliable over a long period of time, and in which damage to the inner construction can be easily discovered. An auxiliary pressure cord ... | 05/09/1995 |
| 5413147 | Flexible hose and fitting assembly A fluid conveying hose, especially a refrigerant conveying hose, that exhibits improved resistance to permeation of the refrigerant while still affording desirable flexibility, and a fitting for such hose and methods of making the hose and the union betwe... | 05/09/1995 |
| 5411777 | Heat shrinkable protective sheets A heat shrinkable wrap-around sleeve comprises a heat shrinkable sheet with a heat stable strip welded on one end. The free end of the heat stable strip is overlapped on the outer side of the opposite end of the sheet and welded thereto by heating applied... | 05/02/1995 |
| 5411619 | Method for manufacturing a joint pipe A method for manufacturing a joint pipe from a spirally wound thermoplastic profile is described in which the pipe end to be furnished with a joint pipe is pushed onto a rotatably driven, slightly conical mandrel, after which a melt profile of thermoplast... | 05/02/1995 |
| 5406983 | Corrosion-resistant composite couplings and tubular connections A corrosion-resistant connection for use with tubular members having externally threaded ends. The connection includes a stress-bearing sleeve member having an interior surface and an exterior surface; and a fiber-filled polymeric composite shell having a... | 04/18/1995 |
