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7608344 |
Metal honeycomb substrates for chemical and thermal applications
Extruded metal honeycombs are produced by the direct extrusion of a softened bulk metal feedstock through a honey-comb extrusion die comprising a feedhole array for delivering softened metal...
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7607562 |
Tool assembly heat treatment method
A method of welding connection is directed towards the construction and subsequent heat treatment of industrial grade manual tools and, specifically, their tool heads to handles or handle...
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7591914 |
High-workability steel pipe and method of producing same
A steel pipe is produced by a method including performing diameter-reducing rolling on a steel pipe in a temperature range of from 600° C. to Ac 3 with a reduction in diameter of not less than...
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7540930 |
Stent to be implanted in human body and method of producing stent
A stent, to be implanted in a human body, is made of a super-elastic metal which is formed approximately cylindrically and integrally and which shows super-elasticity before and after said stent is...
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7455739 |
Shaped reinforcing member for medical device and method for making the same
Medical devices, medical device components, and methods of making the same. For example, one embodiment provides a method of shaping a reinforcing member through annealing. Another exemplary...
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7094294 |
Process for producing a medical guide wire
A process for producing a medical guide wire comprising a step S 2 , S 5 for inserting the core wire and coil into a tubular die having the desired curved form, a step S 3 , S 6 for heat-treating...
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6984457 |
Titanium material, production thereof, and exhaust pipe
(1) A titanium material composed of a substrate of pure titanium or titanium alloy and an aluminum-containing layer formed thereon having a thickness no smaller than 1 μm and containing no less...
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6960274 |
Tooling and method of manufacturing a mesh laminate
An apparatus and method of manufacturing a wire mesh laminate includes wrapping a central core with multiple layers of mesh screen and a barrier layer having a higher melting point than the mesh...
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6890665 |
Martensitic stainless steel and method for manufacturing the same
Martensitic stainless steel whose steel composition is restricted within a specific range for each element is provided. The scale layer formed on the surface of the base material consists of an...
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6887322 |
High pressure cylinders including backing steel with tool steel lining
High pressure cylinders comprising backing steel cylinders and tool steel liners are disclosed. An annealed tool steel liner is inserted into the backing steel cylinder, followed by heat treating...
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6758921 |
Method of manufacturing a bending-resistant, torsionally yielding tubular profiled member as a transverse support for a twist beam rear axle of a passenger car
In a method of manufacturing a bending-resistant, torsionally yielding tubular profiled member as a transverse support of a twist beam rear axle of a passenger car, a tube blank of tempering steel...
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6749954 |
Welded steel pipe having excellent hydroformability and method for making the same
A welded steel pipe is formed by heating or soaking an untreated welded steel pipe having a steel composition containing, on the basis of mass percent: about 0.03% to about 0.2% C, about 2.0% or...
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6749894 |
Corrosion-resistant coatings for steel tubes
A method of providing a protective, corrosion-resistant thin coating of a MCrX alloy on a carbon or low-alloy steel pipe or tube where M is one of nickel, cobalt or iron or combination thereof and...
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6689231 |
Use of stainless steel alloy as umbilical tubes in seawater environment
The invention relates to a ferrite-austenitic alloy and its use, the alloy has a composition with a mixture defined as: C maximum 0.05%, Si maximum 0.8%, Mn 0.30-1.5%, Cr 28.0-30.0%, Ni 5.80-7.40%,...
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6682610 |
Manufacturing method for hollow stabilizer
A manufacturing method for a hollow stabilizer comprises a primary pipe manufacturing process for subjecting a seam-welded pipe to hot reduction working, thereby obtaining a primary pipe, and...
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6645313 |
Powder-in-tube and thick-film methods of fabricating high temperature superconductors having enhanced biaxial texture
A method for forming an electronically active biaxially textured article includes the steps of providing a substrate having a single crystal metal or metal alloy surface, deforming the substrate to...
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6644358 |
Centrifugally-cast tube and related method and apparatus for making same
An improved centrifugally-cast tube is provided, along with a related method and apparatus of making the tube. The tube includes a plurality of grooves and bosses that are mechanically machined...
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6582536 |
Process for producing steerable sheath catheters
The invention is a method for manufacturing a steerable catheter having a distal end, proximal end, an outer jacket, a pull wire and a central lumen. The central lumen is maintained in a circular...
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6564689 |
Blank for gun barrel, method for producing said gun barrel and gun barrel
Blank for a gun barrel, consisting of a steel bar, which bar, in one or more hot working steps, has been repeatedly wrung about its own longitudinal axis.
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6562484 |
Steel material of high fatigue strength and a process for manufacturing the same
A hot worked steel material, such as a bar, or tube, has a surface layer improving its fatigue strength despite the non-metallic inclusions which it may contain, or the cracks which it may have....
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6548125 |
Method of internally coating a weapon barrel by means of a laser beam
A method of coating an inner surface of a weapon barrel includes the following steps: directing a laser beam against the inner barrel surface to cause melting of regions thereof; introducing a...
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6534134 |
Apparatus and method for pulsed laser deposition of materials on wires and pipes
Methods and apparatuses are disclosed which allow uniform coatings to be applied by pulsed laser deposition (PLD) on inner and outer surfaces of cylindrical objects, such as rods, pipes, tubes, and...
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6451453 |
Aluminum alloy strip or tube for the manufacture of brazed heat exchangers
Strip or drawn tube for the manufacture of a brazed heat exchanger, formed from an aluminum alloy containing Si, Cu and Mn, with optional amounts of Mg, Fe, Zn and Ti, where Fe≦Si, and...
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6419768 |
Method for producing welded tubing having a uniform microstructure
A method for producing an autogenous welded tubular metal article having a substantially uniform grain size, including the weld-affected area thereof. This is achieved by applying to the metal...
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6406800 |
Bent pipe for passing therethrough a material containing solids
A bent pipe for use in piping arrangement for transporting materials conaining solids, the bent pipe being prepared by subjecting to high-frequency bending work a straight blank pipe prepared by...
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6375768 |
Method for making biaxially textured articles by plastic deformation
A method of preparing a biaxially textured article comprises the steps of providing a metal preform, coating or laminating the preform with a metal layer, deforming the layer to a sufficient...
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6368429 |
Method of manufacturing zirconium alloy tubes
The present invention relates to a method for producing tubing products from binary and multicomponent zircon alloys, consisting in obtaining from an ingot previously submitted to a beta distortion...
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6329079 |
Lined alloy tubing and process for manufacturing the same
A tube for a cracker unit in which ethylene is produced withstands, without oxidizing or losing its strength, the elevated temperatures required to effect cracking, yet retards coking. The tube has...
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6303237 |
Ferritic alloy for constructions
A compound tube including a layer of a Fe--Cr alloy and a layer of load-carrying component, with the optional addition of further layers. The Fe--Cr alloy preferably has a composition including, in...
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6302974 |
Method and apparatus for straightening turbine casings
An austenitic rounding fixture is inserted into the horizontal joint of a turbine casing. The casing is then assembled and stress relief cycle is carried out, resulting in rerounding of the casing...
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6296953 |
Steel alloy for compound tubes
A compound tube comprises a layer of a Fe--Cr--Al-alloy and a layer of a load-carrying component and optionally one or several additional layers. The Fe--Cr--Al-alloy has the following analysis in...
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6290786 |
Method and apparatus for coating the seams of welded tubes
The method for coating the seam of a welded tube of this invention includes applying a mixture of the desired protective metal coating in powdered form and a liquid flux over the internal surface...
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6248192 |
Process for making an alloy
A process is disclosed for making an alloy comprising the steps of cladding with a tube a plurality of metal members including a first and a second metal to form a metal composite. The metal...
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6248190 |
Process of making composite stents with gold alloy cores
A body compatible stent is formed of multiple filaments arranged in two sets of oppositely directed helical windings interwoven with one another in a braided configuration. Each of the filaments is...
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6231690 |
Method of oxidizing inner surface of ferritic stainless pipe
A method of oxidation treatment of the inner surface of a ferritic stainless steel pipe comprising feeding an oxidizing gas into steel pipe from one end thereof while moving the steel pipe in a...
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RE37167 |
Fatigue resistant drill pipe
A tubular drill pipe section to be used in a well bore is disclosed. The drill pipe section includes upper and lower tool joints, a main steel tubular portion extending upwardly from the lower...
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6220306 |
Low carbon martensite stainless steel plate
A hot rolled martensite stainless steel plate which is excellent in formability and corrosion resistance has a chemical composition comprising, by mass %, 0.05% or less carbon, 10 to 15% chromium,...
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6206987 |
Method for manufacturing a casting-die body and a casting-die body
A casting-die body (1) made of a hardenable copper alloy is provided with an inner wear-protective layer (7) of chromium whose hardness decreases from the billet-side surface (8) in the direction...
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6200397 |
Method and apparatus for strip anode wrapping for cathodic protection of tubular members
A novel method and apparatus to apply a corrosion protection in the form of a zinc (or other sacrificial anodic material) tape to a tubular member such as pipe or coiled tubing to used as an...
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6153030 |
Method for the manufacture of hollow shafts
A method for the production of hollow shafts from welded or seamlessly produced steel tubes having a maximum carbon content of 0.35% includes (1) carburizing a tube to a carbon content greater than...
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6153029 |
Producing of tapered bent tube
A production of tapered bent tube wherein a U-cup with a full opening is pressed to form from a brass plate by a primary mold. The two ends of the full opening of the U-cup are of different...
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6150040 |
Pure steam-related apparatus protected from fouling and method of manufacturing the same
A pure steam-related apparatus, which is one of apparatus in the group of pure steam generators generating pure steam from purified water, pipelines for pure steam and sterilizers using pure steam,...
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6139649 |
Diffusion method for coating high temperature nickel chromium alloy products
The inner surface of a high temperature nickel chromium alloy product such as ethylene furnace tubes is cleaned with high temperature hydrogen to prepare the surface for the deposition, diffusion...
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6103027 |
Method of making seam free welded pipe
A process for forming a cylindrical pipe from a welded metal pipe stock by roll extruding and annealing whereby the weldment microstructure forming the seam is essentially reformed to provide a...
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6042659 |
Method of coating the seams of a welded tube
An improved method of coating the welded seam of a metal tube comprising heating the weld area only of the metal tube to a first temperature which is less than the melting temperature of the...
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5935351 |
Method for making a high temperature, high pressure, erosion and corrosion resistant composite structure
The present invention is a metallic composite which is resistant to erosion and corrosion at the high temperatures and pressures which are encountered in gun tubes, including projectile launchers....
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5900079 |
Method for producing a steel pipe using a high density energy beam
A method of producing a welded steel pipe which comprises: (a) forming a steel strip having two edges in a cylindrical form so that the two edges face each other; (b) preheating the two edges of...
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5855699 |
Method for manufacturing welded clad steel tube
In a method of the present invention for manufacturing a welded clad steel tube, an alloy including a corrosion-resisting or heat-resisting alloy is overlaid on a raw steel tube to manufacture a...
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5853507 |
Method for manufacturing heat exchangers to allow uniform expansion of tubing
A method for treating heat exchanger tubing to be expanded by fluidic or electromagnetic expansion. The tubing treatment reduces the increased material hardness of the tubing in areas where cold...
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5711826 |
Functionally gradient cladding for nuclear fuel rods
A process for making a cladding for a nuclear fuel rod is disclosed which includes the following steps. First, at least two layers of zirconium-based metals are spray deposited on a generally...
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