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5397272 |
Braided composite shaft with yoke member
A braided fiber reinforced composite shaft with yoke member of a universal joint (8) having a tubular portion (10) integrally connected with the yoke portion (12). The yoke portion (12) has a pair...
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5381834 |
Hose assembly including reinforced layer having wear reducing fibers
A hose assembly (10) is of the type for carrying high pressure fluids therethrough. The hose assembly (10) includes a tubular member (11) and a pair of coupling members (20). The tubular member...
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5379805 |
Single solid thin wall pipe for abrasive material having a gradual transition in hardness
A thin wall mild carbon steel pipe for pumping concrete has a wall which has an internal diameter of five inches and a wall thickness in the range of 0.170 to 0.200. The composition of the pipe...
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5368669 |
Method of lining a pipeline
A method of lining a pipeline 24 intended to carry gas, oil, water, sewage or chemicals in which a cross-linked polymeric liner pipe 10, which has been reduced from its original diameter to a...
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5368671 |
Paper tube for photosensitive materials
A paper tube consisting essentially of one or a plurality of paper tapes formed into a tube and a blend adhesive comprising two or more aqueous adhesives different in their concentrations adhering...
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5361806 |
Kevlar reinforced high pressure hose assembly with grip and environmental barrier
A high pressure (up to 8000 psi service) hose assembly has an inner core made of "Teflon" PTFE, covered by a "Kevlar" aramid reinforcing braid. The PTFE can, but the aramid cannot, withstand the...
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5362114 |
Pipe joint and method for forming same for threaded connection of profile pipe
A pipe joint for first and second profile wall pipes of the type having generally concentric, spaced apart inner and outer walls, and a helical rib connecting the inner wall to the outer wall. The...
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5358012 |
Hose assembly having inner protective veneer and barbed nipple portion
A hose assembly is provided having an elongated tubular member having a nipple portion, a hose having an internal diameter corresponding essentially with the outer diameter of said nipple portion...
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5358013 |
Deflection-resistant safety flange for integrally-flanged duct sections
Modifying that type of integral flange outstanding from a sheet metal duct characterized by an outstanding first width of sheet metal and a second substantially equal width bent reversedly back to...
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5353843 |
Method and apparatus for protecting a hose
A hose jacket for protecting a flexible resilient fluid conveying hose from external damage comprises a plurality of tubular segments formed of a synthetic resin that fit over the hose in...
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5351752 |
Artificial lifting system
An artificial lifting system is designed for use at a pumping installation which has a pump drive at the surface or head end of a well and a reciprocating pump positioned in the lower end of the...
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5352309 |
Method for manufacturing pipe bells
A method for manufacturing a filament reinforced plastic pipe including an integral bell, the method comprising the steps of winding a filament bundle, in a plurality of layers, around a mandrel...
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5349988 |
Corregated refrigeration hose system
A multiple layer hose and fitting assembly for refrigeration circuits particularly suitable for larger sizes of refrigeration conduit wherein refrigerant loss to the atmosphere through the hose...
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5348051 |
Flexible swimming pool cleaner hose
A flexible hose particularly suitable for use with automatically operated swimming pool cleaners, the hose being blow moulded from suitable plastics material such that separate lengths can be cut...
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5346290 |
Structure for airbrake tubing
Brakes mounted on the wheels of slidably adjustable axles used with truck trailers are connected by a pair of flexible coiled tubes to service and emergency air lines. The flexible coiled tubes are...
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5333650 |
Hose coupling with a stiffening sleeve
A hose coupling for being attached to one end of a hose comprising a coupling portion for joining the hose coupling to another mateable coupling, and a generally tubular sleeve portion extending...
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5332049 |
Composite drill pipe
A composite drill pipe has a fiber reinforced synthetic tube with a leading end and a trailing end spaced axially from the leading end, with the leading end of the tube being engageable with a bit...
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5330236 |
Composite tube fitting
An end fitting for a composite tube used in high pressure hydraulic systems. The tube includes a composite matrix wrapped around a metal liner. The fitting includes an inner sleeve having a...
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5305799 |
Flexible conduit for vehicle engine coolant circuits
A flexible conduit for vehicle engine coolant circuits, which conduit comprises a series of at least a first relatively rigid portion and a second relatively deformable bellows portion capable of...
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5305797 |
Compartmented conduit tube construction
A conduit tube is arranged to include intersecting partition walls dividing the associated conduit tube into four compartments to permit transport and positioning of cable within each compartment...
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5297586 |
Flexible metal hose assembly incorporating modified braid ring with annular member having tools flats
A flexible metal hose assembly includes a corrugated tube surrounded by a braid. A modified braid ring is mechanically interconnected with an annular hex member. The modified braid ring is then...
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5297585 |
Room temperature shrinkable tube
A room-temperature shrinkable tube includes an elastic tube stretched to cover a cylindrical shell. An object to be coated by the elastic tube is inserted into the cylindrical shell, and the...
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5288109 |
Method for mechanical joining a tube of composite material and a metallic fitting and structure thus obtained
A method of joining a tube of composite material and a tubular metal fitting includes, winding filaments of pre-impregnated fibers to produce a tube with a longitudinal axis. The fibers that...
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5287893 |
Head for replacing mains
A method is provided for replacing a length of a branch gas main 1 joined to a spine main 2 with a length of replacement main 7 having an outer diameter smaller than the inner diameter of the...
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5279333 |
Flexible hose construction
A flexible hose construction and method of making the same are provided, the flexible hose construction comprising an inner corrugated hose made of polymeric material and having a plurality of...
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5275208 |
Flexible hose construction and method of making the same
A flexible hose construction and method of making the same are provided, the flexible hose construction comprising an inner corrugated hose made of polymeric material and having a plurality of...
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5275152 |
Insertion tube terminator
The insertion tube body of a borescope or endoscope is constructed to avoid leakage current. An inner coil is covered with a tubular urethane jacket over which a tubular braid is disposed....
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5269650 |
Uniform flow exhaust gas transfer pipe
The invention is in a transfer pipe for passing engine exhaust gas from an engine exhaust manifold to a turbine inlet side of an exhaust gas driven turbine air compressor. The transfer pipe is...
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5255974 |
Static mixer
The mixer is constructed of a steel tubular housing and a replaceable plastic tube. Mixing elements are mounted within the plastic tube and are secured in place by carrier and sealing rings at...
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5246254 |
Anti-kinking device for garden hoses
An anti-kinking device used in conjunction with a garden variety water hose, wherein the device includes a housing defined by a tubular body having a coupling member rotatably mounted to the...
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5246256 |
Roll grooved pipe
A roll grooved pipe is provided on its inner surface with a hydrofoil surface providing a transition between the inner surface of the pipe and the radially innermost portion of a radially inwardly...
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5240288 |
Double air duct boot
A double air duct boot which includes a pair of identical opposed severable parts, joined through a central section. The two parts are geometrically symmetrical about the central section which...
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5236018 |
Boring casing for boring machines
A bar-like molding made of fiber-reinforced plastic materials of the type which can be extended by connecting pieces thereof, comprises a fiber-reinforced plastic covering layer formed by...
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5236538 |
Cone control tool for manufacturing composite shafts
A method and tool for fabricating composite shafts with at least one flared end. The tool includes a specially adapted end fitting for each flared end which define the angle and direction of...
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5213379 |
FRP pipe with threaded end joint section
A fiber-reinforced plastic pipe with a male-threaded and/or female-threaded end joint section having improved axial strength and thread contour, exhibiting a high degree of seal tightness, and...
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5209267 |
Convoluted hose end assembly
An insert fitting for a convoluted hose end includes a generally cylindrical nipple insert having two spaced annular sealing surfaces and a relief region situated between the surfaces. The relief...
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5203379 |
Headed thermoplastic tube
A headed thermoplastic tube is formed solely from a thermoplastic extruded, stretched, cylinder by positioning the cylinder over a forming mandrel with an exposed portion. The inner surface of the...
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5203378 |
High-flexibility, noncollapsing lightweight hose
A high-flexibility, noncollapsing, lightweight, large-bore, wire-reinforced hose is inside fiber-reinforced PVC tubing that is flexible, lightweight, and abrasion resistant. It provides a strong,...
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5201343 |
Extensible house for reducing pressure pulses
An expansion hose for power steering plants of motor vehicles. The hose includes an outer pressure hose (2) connected to an inlet side end member (1) and to an outlet side end member (3). An inner...
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5195563 |
Flexible hose and fittings
A flexible hose has ribbed portions concatenated with cylindrical smooth tions. The ribbed portions provide flexibility and resilience to the hose. Flotation cuffs for buoyancy and wheel cage cuffs...
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5180193 |
Elastomer-lined metal pipe
A lined pipe has a continuous impervious coating of an elastomer extending along the inner periphery of the pipe and along the radial end surfaces thereof, and a portion thereof extending over the...
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5171041 |
Reinforced flanges on plastic pipe
A method an apparatus are shown for forming a flange on an end of a plastic pipe liner of the type used to line a tubular member. A reinforced disc having a rigid portion and an elastomeric portion...
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5167742 |
Method and device for producing a tapered scarf joint
A device and method for producing a tapered scarf joint between two composites includes a cutting guide for cutting plies to incrementally variable lengths. The joint is produced on a filament...
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5156191 |
Hose assembly having a spider-like member holding the ends of inner and outer hoses thereof concentric and method of making the same
A hose assembly and method of making the same are provided, the hose assembly having fluid passages therein for respectively conveying a volatile liquid in one direction from the container, the...
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5143122 |
Composite flexible conduit assembly
A flexible conduit having a flexible inner tube of a polymer material, a flexible coil of wire received over said inner tube, a flexible outer jacket shrunk onto the coil, and couplings inserted...
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5134000 |
Heat shrinkable protective sheets and methods for their manufacture
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...
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5119860 |
Flow restrictor for water purification systems
A flow restrictor that is intended primarily for use in a reverse osmosis water purification system of the type having a reverse osmosis membrane housing receiving feed water to be purified and...
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5109888 |
High-pressure metallic pipe provided with connecting head part and method for formation thereof
This invention provides a high pressure metallic pipe having at least one end thereof provided with a connecting head suitable for connection to a counter seat part and a method for shaping the...
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5105854 |
Hose construction for conveying water under pressure
A hose construction for conveying water under pressure, a stem therefor and methods of making the same are provided, the hose construction comprising a flexible tubular hose having opposed ends, a...
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5099888 |
Impact protected, sealed, double-walled pipe body
Plastic pipe has a cylindrical body having longitudinally extending concentric walls spaced from the longitudinal axis of the pipe. The walls are connected by ribs extending generally radially...
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