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7240717 |
Multiple ignition source exothermic reaction mold device
A multiple ignition source exothermic reaction mold device. The mold device includes a crucible in a block with an open top for receiving exothermic reaction powder. A lid covering the open top has...
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7231957 |
System and method for termination of a wire rope
The invention provides a termination for a wire rope made by a process of inserting one end of a wire rope into a mold and placing a crucible with a crucible opening over the mold. The mold opening...
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7231956 |
Method for making a termination for a wire rope for mining equipment
The method for making a termination for a wire rope entails inserting a first end of the wire rope end into a mold, wherein the mold comprises a mold opening; placing a crucible on the mold, adding...
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6793003 |
Exothermic welding mold conversion plug
A weld mold assembly which includes a crucible section for exothermically reacting weld material to form a molten metal, a weld mold having a weld chamber with an opening for receiving the molten...
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6776386 |
Lid for exothermic reaction welding mold
A lid for an exothermic reaction mold device. The device includes an internal crucible in a block with an open top. The lid includes a lower face with an elongated opening therethrough. The lid...
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6640873 |
Exothermic weld mold assembly
An exothermic weld mold assembly for forming conductor to conductor welded connections. The exothermic weld mold assembly includes a crucible section having a U-shaped reaction chamber with...
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6484792 |
Single use transportable reaction crucible for a metallothermic welding portion
A single use, transportable reaction crucible for a metallothermic welding portion is provided. A separate cylindrical reaction vessel is disposed in the cylindrical casing of a non-metallic...
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6227282 |
Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region
The invention relates to a process for the aluminothermic welding of rails, the aluminothermically produced steel being poured into a refractory mold surrounding the rail ends which are to be...
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6125913 |
Process for the aluminothermic welding of rails with alloying of the weld metal in the rail head region
The invention relates to a process for the aluminothermic welding of rails, the aluminothermically produced steel being poured into a refractory mold surrounding the rail ends which are to be...
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5829510 |
Exothermic welding crucible and method
A crucible for exothermic welding includes a frame and two semi-cylindrical or rectangular refractory blocks which include abutting planes through a reaction chamber and a sprue hole. One block is...
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5753006 |
Method for the aluminothermal production of molten steel
Disclosed is a method for the aluminothermal production of molten steel for the aluminothermal welding of workpieces, wherein the aluminothermal reaction is carried out in a crucible made of porous...
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5715886 |
Single use welding mold and method
The mold includes a refractory body forming a weld chamber. Exothermic welding material in a crucible above forms molten metal which drops into the weld chamber through a tap hole or open top. The...
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5653279 |
Apparatus and method for forming electrical connections
A two part exothermic weld mold assembly is horizontally split through a weld cavity. The upper single mold port includes a crucible offset from the weld cavity. The tap hole from the crucible to...
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5582228 |
Exothermic welding crucible and method
An exothermic welding apparatus and method uses a crucible which can be used with a variety of exothermic weld metal material volumes to produce welds of different sizes while maintaining the...
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5538174 |
Exothermic rail bond fixture
A fixture for forming electrical connections to rail and the like includes a narrow elongated template plate operative to be positioned on and secured to a rail, and to locate an electrical...
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5531259 |
Method for intermediate cast type welding of finely pearlitized rails
Method for intermediate cast type welding of finely pearlitized rails by pouring steels produced by the Thermit fusion process into a casting mold, which surrounds the two rail ends 13 separated...
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5515904 |
Apparatus and process for aluminothermic welding
The disclosure relates to a mold for aluminothermic welding without preheating of two metal parts, said mold being composed of two mold parts and two sets of cores and having internally employed a...
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5383594 |
Radiation-shielding transport and storage container
A radiation-shielding storage/transport container has a cast-iron vessel having an open end defining an end face, a steel ring engaging the end face and forming at least one annular seat, a weld...
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5377959 |
Apparatus for improving service life of thermite rail welds
In the heat treatment in the field of a thermite weld between rail ends, the rail ends and the weld are enclosed within a containment filled with an aluminothermic material mixture. The mixture is...
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5215139 |
Method and mold for aluminothermic welding of rails
In forming an aluminothermic weld between adjoining rail ends, a sand mold is arranged around the rail ends disposed in spaced relation. The sand mold is formed at least in part of silica sand. The...
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5151202 |
Aluminothermic welding device crucible and crucible cover for use therewith
An aluminothermic welding device. The device, which is for the butt welding of two metal members such as railroad rails, comprises a mould and a crucible the respective upper and lower faces of...
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5078200 |
Method of cast-welding between finely pearlitized rails
Aluminothermically produced steel is poured into a casting mold which surrounds the two rail ends. A cooling agent is applied to the surfaces of the rail heads of the rail portions adjacent the two...
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4881677 |
Exothermic welding apparatus including a baffle cover assembly
An improved thermite reaction containment vessel and method of using the same includes a crucible in which the exothermic material is contained and which is connected at its lower end via a tap...
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4739817 |
Method for manufacturing aluminum alloy by permeating molten aluminum alloy containing silicon through preform containing metallic oxide and more finely divided substance
In this method for manufacturing an aluminum alloy, a porous preform is manufactured from a mixture of a finely divided oxide of a metallic element which has a weaker tendency to form oxide than...
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4724890 |
Process for connecting frogs consisting of austenitic manganese steel casting with rails consisting of carbon steel
For the purpose of connecting frogs consisting of austenitic manganese steel casting with rails consisting of carbon steel there is proposed an aluminothermic process in which the carbon content of...
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4605053 |
Art of mold welding
This invention relates to an improvement in the process of mold welding two metal parts together having respective base sections, which includes enclosing the end sections of said metal parts in...
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4389015 |
Corrugation-free rail
The invention concerns a corrugation-free rail for track-bound vehicles. In the invention, the rail comprises a metallic material in the area of the travel and/or guide surfaces of which the stress...
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4250944 |
Process for performing aluminothermic rail connection weldings as well as multipart casting mold for performing the process
This invention relates to an improvement in the process for performing aluminothermic rail connection weldings, in which the rail ends to be welded together and being laid with a gap are enclosed...
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4247074 |
Casting mold for aluminothermically welding rails together
This invention relates to a prefabricated casting mold for aluminothermically welding rail ends spaced apart by a gap while simultaneously welding shut a fishplate hole in the region of each rail...
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4216816 |
Aluminothermic welding of austenitic manganese steel
A method of aluminothermic welding of members of austenitic steel containing by weight 10 to 20% manganese, 0.5 to 1.5% carbon and 0 to 5% nickel, and particularly low carbon austenitic steels...
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4168736 |
A method of repairing ferrous metal bodies
It is known to fill errosion holes in ingot mould bottoms, and other holes in ferrous metal bodies, with metal produced in situ by exothermic reaction. By the present invention, the exothermic...
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4110887 |
Method of repairing slag and cinder pots and other heavy steel articles
A method of repairing erosion cavities in large steel articles, such as slag and cinder pots by employing a plurality of successive aluminothermic reduction reaction charges without using...
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RE29646 |
Method or restoring ingot mold stools and closed-bottom ingot mold
A method of repairing large castings, such as ingot molds and mold stools, by employing an aluminothermic reduction reaction without using containment perimeters and without preheating the casting....
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4055881 |
Method of rebuilding an ingot mold
A method of rebuilding the eroded area of an ingot mold such as used in casting steel ingots places a metal producing exothermic compound in a cleaned eroded area of the ingot mold to be rebuilt,...
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4033502 |
Economical and laborsaving reinforcing bar coupler
A coupling device is disclosed for rapidly and ecnomically mechanically joining a pair of elongated structural elements such as reinforcing bars in the field. The cylindrical couplingdevice...
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4033399 |
Method for cladding copper and copper alloys to steel substrates
A method of cladding copper or copper alloys to a steel substrate by an aluminothermic reduction reaction utilizing an exothermic reaction material which is principally a mixture of calcium-silicon...
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4005741 |
Method for the fabrication of tube products
A method characterized in that the material for a tube product is a Thermit mixture in powder form incorporating at least one metal oxide and its reducer, wherein the mixture is ignited while a...
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3971117 |
Method of repairing ingot mold bottoms
A method for repairing eroded bottoms of ingot molds by forming a casting space in the bottom of the mold at the point of erosion, the casting space having an hour-glass type shape, placing the...
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3942579 |
Process for the aluminothermic welding of rails
A process for the aluminothermic welding of rails in which the rail ends to be joined are surrounded by a prefabricated, dry refractory casting mold and sealed from the rails with plastic mold...
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3942578 |
Method of repairing large castings
A method of repairing large castings, such as ingot molds and mold stools, by employing an aluminothermic reduction reaction. The resultant repaired article has a metallurgically bonded plug in the...
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3933191 |
Method for containing the molten reaction products of a reactive cladding process
Method and apparatus for containing the molten reaction products of a reactive cladding process, such as an aluminothermic reduction cladding process, in which a refractory-lined perimeter rests on...
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3907550 |
Method of making same composite billets
Composite billets that function as starting stock for superconducting wire are produced by immersing an assembly of rods of a superconductor alloy or rods of a metal which is capable of forming a...
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3856076 |
APPARATUS FOR CONTAINING THE MOLTEN REACTION PRODUCTS OF A REACTIVE CLADDING PROCESS
Method and apparatus for containing the molten reaction products of a reactive cladding process, such as an aluminothermic reduction cladding process, in which a refractory-lined perimeter rests on...
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3782677 |
CABLE AND LIKE SPLICING APPARATUS
A graphite mold for use in joining cable parts having a weld cavity in which the component parts are received, a sprue opening for induction of molten metal into the cavity to join the parts, and a...
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3620291 |
PROCESS FOR ALUMINOTHERMAL WELDING
The disclosure concerns a welding process utilizing apparatus comprising cores having certain of their faces with shapes corresponding to those of the end parts of the sections to be joined,...
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3520677 |
METHOD OF MANUFACTURING METAL BLANKS HAVING AN ANISOTROPIC CRYSTALLINE STRUCTURE
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3495801 |
ALUMINOTHERMIC WELDING CASTING MOLD
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3274650 |
Method and apparatus for joining metal parts
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3264696 |
Method of cladding metal surfaces
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3262163 |
Cast welding apparatus and method
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