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4144629 |
Method for forming glass to metal seal
A composite metallic article for effecting a seal with glass, said article comprising a nickel-iron alloy core portion, a low carbon steel alloy sheath portion bonded to the core, and a uniformly...
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4137619 |
Method of fabricating composite structures for water cooled gas turbine components
A method is provided for fabricating complex composite components for water-cooled, high temperature gas turbines. Each component comprises a core, a thermally conducting layer of copper bonded to...
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4137106 |
Super hard metal roll assembly and production thereof
A super hard metal roll assembly and a process for producing it are disclosed. Initially, a powdered mix of super hard metal materials is moulded into a hollow cylindrical moulding. The moulding is...
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4135286 |
Sputtering target fabrication method
A method for producing a cooled sputtering target assembly is described. The resultant target is also described. The material to be sputtered is provided in the form of powder which is hot...
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4131460 |
Method of producing a sintered composition
A method of producing a sintered composition used as a brush for a dynamo electric machine, includes the steps of compacting a powder from which the brush is to be made around one end of an...
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4127700 |
Metallic material with additives embedded therein and method for producing the same
A metallic material, particularly useful for electrical contacts, comprises a matrix metal, for example silver or copper, with additives embedded therein in powder form. However, while being in...
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4126451 |
Manufacture of plates by powder-metallurgy
A powder-metallurgy process, product, and assembly particularly adapted for manufacturing plates of hard-to-work materials, such as chromium and its alloys, are disclosed. The assembly is formed by...
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4121928 |
Method for the manufacture of multi-layer sliding material
This invention discloses a method for manufacturing a multi-layer sliding material, said method substantially comprising laying and distributing metal powder which contains aluminum as a main...
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4104787 |
Forming curved wafer thin magnets from rare earth-cobalt alloy powders
In a preferred embodiment thin curved rare earth-cobalt magnets supported on the interior surface of a steel casing are formed by hot isostatic compaction. Rare earth-cobalt powder is magnetically...
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4104060 |
Solid-phase conversion of particulate metal into continuous strip
This application discloses method and apparatus for solid-phase conversion of particulate metal (or swarf) into continuous metal-jacketed strip by feeding particulate metal, together with any...
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4100664 |
Apex seal for rotary engines
An improved seal for a rotary engine to reduce leakage at the rotor apex under normal operating temperatures. Opposite edges of the seal have differing coefficients of thermal expansion so that as...
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4097276 |
Low cost, high temperature turbine wheel and method of making the same
This turbine wheel has a plurality of blades radiating from a central hub and is manufactured by a novel method including the steps of assembling a plurality of preformed ceramic or superalloy...
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4090873 |
Process for producing clad metals
Cladding materials in a substantially powdery state are laminated with a base material in a substantially solid state by compaction under static fluid pressure and thermal treatment for causing...
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4089921 |
Process for sintered bi-metallic filamentary composites
Novel bi-metallic filamentary composites are produced by first forming a conjugate precursor filament comprised of an organic polymer together with particles of a first reducible metal oxide and...
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4071937 |
Filter cartridge with folded filter sheath
A filter cartridge has a fluid-permeable support body formed externally with ribs and is closely surrounded by a "folded" (e.g. corrugated) sheath of sintered material. The support body may...
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4069042 |
Method of pressing and forging metal powder
A method is provided for pressing and forging hot metal powder directly in one operation into a high density metal article of a finished worked shape. The method uses a simple shaped, readily...
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4065302 |
Powdered metal consolidation method
A method for compressing and sintering metal powder into solid form for use as metal coatings and structures. Metal powder is enclosed in a pressure-resistant container in contact with a metal...
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4061801 |
Method of producing aluminum or aluminum alloy coated steel sheets with aid of powder method
A method of producing an aluminum or aluminum alloy coated steel sheet with the aid of powder method is disclosed. The method comprises preliminarily applying a zinc coating having a thickness of...
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4059214 |
Forging process
Unitary workpieces are produced from at least two components, one of which s a body made from smelt-metallurgical material and the other is a member made from powder-metallurgical material...
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4058246 |
Suction pipette and method of manufacture for receiving of semiconductor crystal plates
A method of manufacturing a suction pipette of sinterable material for receiving substantially rectangular, semiconductor crystal plates. The pipette is formed with a rectangular recess and has...
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4052802 |
Ground-engaging tool with wear-resistant insert
A ground-engaging tool is disclosed which includes a blade with a load carrying front face, a ground-engaging bottom surface, and a rear face, and a wear-resistant insert is secured thereto to...
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4040162 |
Method of producing composite extruded aluminum products from aluminum swarf
Particulate aluminum or aluminum alloy swarf or waste is compressed under heat and pressure to form a billet. After subjecting the billet to a subsequent heat treatment at a higher temperature the...
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4039703 |
Method for producing a tubular multi-layered porous barrier
A method for producing a tubular multi-layered porous barrier comprising the step of depositing fine powder onto at least one of the inner and outer surfaces of a sintered tubular porous support...
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4029476 |
Brazing alloy compositions
A brazing alloy is provided consisting essentially by weight of about 30 to 50% copper, about 10 to 20% manganese, about 3 to 25% iron, about 0.5 to 4% silicon, about 0.5 to 2% boron and the...
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4025313 |
Rolled stock of powder metallurgically-formed, nonductile material and method of production
Rolled stock of a relatively nonductile material and a powder metallurgical method for its production. A precompact is formed including a body of powder of said nonductile material with generally...
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4004889 |
Powdered metal article having wear resistant surface
A powdered metal article having a fused wear resistant coating thereon is described. Specific embodiments of such article are disclosed including a specific powdered metal and a specific coating...
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4002472 |
Process for making composite bearing material
A process for making a bimetallic bearing material comprising a hard metal backing strip having a leaded copper or leaded bronze bearing lining tenaciously bonded to at least one face thereof which...
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3996048 |
Method of producing holes in powder metallurgy parts
A procedure for providing bores or other internal passages in hot isostatically pressed powder metal articles, especially those formed of nickel- or cobalt-base superalloys in which the passage is...
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3986869 |
Process for making electrolytic capacitor anodes forming a continuum of anodes and cutting the continuum into individual bodies
Electrolytic capacitor anodes are made by sintering metal powder for the anodes in a mold cavity into a continuum of anode bodies and by cutting the continuum into individual bodies. Lead wires for...
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3982778 |
Joint and process for forming same
The invention is concerned with an improved joint between tubing and a flange having a hole therethrough into which the tubing is force-fit. The flange is made of powdered metal by placing the...
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3982934 |
Method of forming uniform density articles from powder metals
The present invention provides a method and apparatus for powder metal formation in which a plated shell is formed corresponding to the appropriate calculated pre press size of the final part being...
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3975165 |
Graded metal-to-ceramic structure for high temperature abradable seal applications and a method of producing said
Abradable seal composite structure having a porous, abradable ceramic surface layer which is resistant to high temperature oxidation and a metallic bottom layer capable of being bonded to a...
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3970517 |
Process of safely compacting a radio-active material into a solid body
A process for compacting a granular radio-active material into a sealed solid body for use as a heat source, the process carried out in a hot-cell which is partially evacuated.
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3964877 |
Porous high temperature seal abradable member
A seal member is provided with an improved combination of oxidation resistance, fluid erosion resistance, reduced thermal conductivity and low flow stress at elevated temperatures through a...
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3962772 |
Shaft-supported composite high-strength machine element and method of making the same
A machine element consisting of a shaft having thereon an enlargement such as a gear or cam is made in composite form at a much lower cost in labor and materials than in one-piece form by providing...
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3954460 |
Method of sinter coating metal strips with metallic powder using fatty acid amide as a temporary adhesive
A method of providing sintered and diffused metal coatings of finely divided metallic material on a metal base, such as a steel strip or panel, by forming a molten film of one or more higher fatty...
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3946192 |
Method of manufacturing a friction disc
A method of manufacturing a friction disc for use, inter alia, in a disc brake, the friction disc including a metal backing plate and a plurality of friction pads carried by the backing plate. The...
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3943617 |
Novel apparatus and solid state method for converting small pieces of metal to a workpiece
A method of converting scrap or other small pieces of metal into a useful, commercial product while maintaining the metal in a solid state. According to the process, the pieces are maintained...
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3940268 |
Method for producing rotor discs
The production of rotor discs by bonding a plurality of fully dense, preformed blades to a hub of compacted alloy powder. The blades are embedded in the uncompacted powder and by the use of hot...
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3928662 |
Process for the production of metal containing ceramics
Method of manufacturing metal-impregnated ceramic article which consists of a porous, ceramic carbon-containing body impregnated with metal. A sintered ceramic body is sealed up in a vacuum capsule...
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3917149 |
Process of preparing embossed sintered articles of manufacture
Process of preparing embossed sintered articles of manufacture by mechanically working a mixture of solid particulate material selected from the group consisting of ceramics, metals, intermetallic...
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3889348 |
Fiber reinforced composite material and method of making same
An apparatus and method for producing a composite material and the composite structure are provided. The structure is a filament reinforced matrix which is produced by forming a matte of filaments,...
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3884729 |
Method of providing an aluminum coating on a steel substrate
A method of providing a surface of a steel substrate with an aluminum coating, the said method comprising coating the said surface of the steel substrate with a layer of metal, coating the said...
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3873308 |
Method for the elimination of erosion failures on the surfaces of high pressure-high temperature devices
A method of repairing erosion failures which comprises filling the site of erosion failure with powdered refractory metal consisting of nickel, iron, cobalt, manganese, molybdenum, titanium,...
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3852877 |
MULTILAYER CIRCUITS
Multilevel ceramic high conductivity circuit structures are formed by depositing a metallizing media on surfaces of green ceramic sheets, including on walls of holes which extend through the...
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3844778 |
METHOD FOR PRODUCING GROOVED ALLOY STRUCTURES
A method for producing an alloy structure having deep surface grooves therein by bonding of alloy powder to a fully dense member, such as a plate having on surfaces thereof nondeformable ceramic...
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3834003 |
METHOD OF PARTICLE RING-ROLLING FOR MAKING METAL RINGS
The annular space in a donut type metal can is filled with metal particles, the can sealed to constitute an annular workpiece, and the piece hot ring-rolled for expansion to an integrated metal...
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3827140 |
METHOD OF SURFACE TREATING STEEL PRODUCTS WITH METAL POWDER
An aqueous suspension containing a metal powder having a particle size of less than 325 mesh is applied to the surface of a steel product. The coated steel product is than preheated, rolled and...
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3816112 |
METHOD OF COATING STEEL PLATES WITH SINTERED FRICTION LAYERS
Method of coating a steel plate having upper and lower surfaces with layers of sintered friction material on both surfaces. The method comprises the following steps: a. adhering a layer having a...
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3811877 |
METHOD FOR MANUFACTURING ANTI-SKID MEANS INTENDED FOR VEHICLE TIRES
A method for manufacturing anti-skid means for vehicle tires consists essentially of the following steps: Metal powder is supplied into a mould. The mouth of the mould is closed by a plunger which...
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