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| Number | Title | Issue Date |
| 7752728 | Method of producing a material composite with explosion-welded intermediate piece A material composite has a part made from steel or a titanium-based material and a part made from a copper-based or aluminum-based material. The parts of the material composite are joined by way of an intermediate piece. The intermediate piece likewise comprises a r... | 07/13/2010 |
| 7219425 | Arrangement in explosion joining of ends of wires and the like A method of joining the interfacing ends of cables, one to another, wherein each comprises a plurality of conductor strands, comprising (i) providing each of the ends with an enlarged terminal portion of greater diameter than the cable adjacent the end, (ii) inserti... | 05/22/2007 |
| 7093470 | Methods of making integrally stiffened axial load carrying skin panels for primary aircraft structure and fuel tank structures Methods for making skin panels suitable for use in aircraft structures and fuel tank structures, such as fuselages and reusable launch vehicle propellant tanks. A first method includes the following steps: machining a starting plate to a final part geometry; and exp... | 08/22/2006 |
| 6907652 | Pipe connecting method A method of connecting a first pipe to a second pipe having an end part fitting into an end part of the first pipe, comprising arranging the end part of the second pipe within the end part of the first pipe, arranging a sleeve of a deformable material between said e... | 06/21/2005 |
| 6591649 | Method and apparatus for pulsed discharge forming of a dish from a planar plate An apparatus for forming a generally planar metal plate into a dish with a three-dimensional pattern is provided. The apparatus comprises a mold having a forming surface with a contour corresponding to said three-dimensional pattern, and having edges corr... | 07/15/2003 |
| 6301766 | Method for metal working using high pressure fluid pulses Methods and apparatus employing an ultra high-pressure fluid pulse to perform metal working operations, including joining and cold working. In one application, an ultra high-pressure fluid pulse is directed into a hollow rivet that is seated within an ori... | 10/16/2001 |
| 5751778 | Method for captively attaching a guide cone of tubular shape and a thermal sleeve of an adaptor passing through the head of the vessel of a nuclear reactor The method comprises providing an annular cavity in an internal part of a tapped bore of the guide cone, screwing the tapped bore of the guide cone onto the threaded end of the thermal sleeve and expanding at least part of the end of the thermal sleeve ra... | 05/12/1998 |
| 5611477 | Shot sleeve and method of making A pressure casting machine having a shot sleeve including a highly thermally conductive metal tube having an erosion-resistant and wear-resistant cermet interatomically bonded to the inside surface of the tube may be made by using an explosive compaction ... | 03/18/1997 |
| 5435058 | Hybrid/microwave enclosures and method of making same A method of forming enclosures for microwave and hybrid devices and the enclosure itself wherein the metals to be joined are thin (i.e., less than 40 mils thick) and/or thick (up to several inches) and wherein metallurgical hermetic bonds are provided bet... | 07/25/1995 |
| 5419862 | Process for the low-pollution operation of an explosion device and suitable explosion device for implementing this process An explosion device for use in connection with the explosive disposal of poisons, explosives and the like and a method for operating the device are disclosed. The device comprises an explosion chamber which is anchored in a foundation, a lock chamber incl... | 05/30/1995 |
| 5379621 | Apparatus for generating an underliquid shock pressure A method for generating an underliquid shock pressure comprises the steps of igniting a combustible mixture gas to form detonation waves, imploding the detonation waves in their advancing direction, propagating a pressure obtained by imploding the detonat... | 01/10/1995 |
| 5339666 | Apparatus for generating a detonation pressure A method for generating an underliquid shock pressure comprises the steps of igniting a combustible mixture gas to form detonation waves, imploding the detonation waves in their advancing direction, propagating a pressure obtained by imploding the detonat... | 08/23/1994 |
| 5279022 | Method and apparatus for providing a multidirectional clamping force A method and apparatus for providing a multidirectional clamping force to clamp selected materials together is disclosed and comprises a tube formed into a closed circular shape and formed of martensitic material and deformed in a first predetermined dire... | 01/18/1994 |
| 5038994 | Apparatus for explosively welding a sleeve into a heat exchanger tube A sleeve containing an explosive charge which is explosively welded along a tapered end to the inner surface of a tube for repairing a damaged section of the tube. No mechanical support is needed along the outer surface of the tube despite the explosive e... | 08/13/1991 |
| 5022144 | Method of manufacture power hybrid microcircuit The present invention is a package for housing microcircuit components and the method of manufacturing the same, the latter of which includes the steps of explosively bonding first and second dissimilar metals to produce a base member, machining that base... | 06/11/1991 |
| 5022148 | Method for explosively welding a sleeve into a heat exchanger tube A sleeve containing an explosive charge which is explosively welded along a tapered end to the inner surface of a tube for repairing a damaged section of the tube. No mechanical support is needed along the outer surface of the tube despite the explosive e... | 06/11/1991 |
| 4988392 | Composite sheet made of molybdenum and dispersion-strengthened copper Directed to the production of composite copper-molybdenum sheet by assembling at least one plate of molybdenum with at least one plate of dispersion-strengthened copper to form a composite billet, heating the billet in a protective atmosphere to a tempera... | 01/29/1991 |
| 4909686 | Pyrotechnical dowel A pyrotechnical dowel has a shank and a deformation chamber located at the forward end of the shank. The chamber contains a blasting cap. Triggering of the blasting cap takes place from the rearward end of the shank by means of a triggering tool which is ... | 03/20/1990 |
| 4881314 | Method of explosively forming a multilayered composite material A method of forming composite materials comprising reinforced fibres, such as carbon fibres 12, embedded in a metal matrix 10, 13. The method comprises forming a first metal sheet 10, laying the reinforcing fibres 12 on the first sheet 10, and explosively... | 11/21/1989 |
| 4879890 | Explosive expansion of metal tubes In a method of explosively expanding a tubular metal component into engagement with a surrounding metal component, an explosive charge is disposed axially and fired in an insert having a hollow cylindrical container fitting closely within the portion of t... | 11/14/1989 |
| 4867609 | Erection of structures on uneven foundation sites Structures with inter-connecting members such as shores, struts, braces and the like which are subject to compression and/or tension stresses can be erected even when the foundation strata do not exactly meet anticipated levels, or when differential settl... | 09/19/1989 |
| 4807795 | Method of making a bimetallic shaped-charge liner A bimetallic shaped-charge liner is formed by explosively bonding two metal disks and then shear-forming the bonded disks simultaneously into a conoidal shape over a mandrel. An exemplary method for manufacturing a ductile, bimetallic, shaped-charge liner... | 02/28/1989 |
| 4787228 | Making molds with rectangular or square-shaped cross section A round copper or copper-alloy tube is internally coated with a relatively thick nickel or nickel-alloy layer and formed into a tube of rectangular or square-shaped cross section; the tube or cut-off sections thereof will serve as molds for continuous cas... | 11/29/1988 |
| 4749117 | Tube sheet welding An improved method for the explosive expansion and welding of tubes to tube sheet includes trepanning the rear face of the tube sheet to form integral collars around each tube-receiving bore in the tube sheet. The collars prevent accumulation of corrosive... | 06/07/1988 |
| 4746150 | Joint for joining together two pipe ends When joining together pipe-lines, in particular, by means of explosive welding, an outer support tool is generally used, together with an inner peripheral body (3) which is applied by means of explosives (5), to the inner surfaces of the pipes (1 and 2) t... | 05/24/1988 |
| 4735712 | Method of producing wear layer on screen rail and screen rail having wear layer so produced A rubber wear layer is molded to a metal sheet, which is relatively thin, in comparison with a side rail for tensioning a vibrating screen, then attached to the side rail, as above a flange which provides a connection with the screen. The rubber layer and... | 04/05/1988 |
| 4727639 | Method of manufacturing subcaliber segmented sabot projectile Form-locking means and process for joining same to a subcaliber projectile in a peripheral region thereof. The form-locking means consists of a material in the form of a n-phase sintered alloy having a high content of at least one heavy metal, wherein nà£... | 03/01/1988 |
| 4713871 | Method for producing amorphous alloy shaped articles Amorphous alloy shaped articles having excellent magnetic properties, high hardness and strength, or high corrosion resistance can be obtained by a method, wherein amorphous alloy or atomized alloy raw material powder layer is laminately arranged adjacent... | 12/22/1987 |
| 4685205 | Apparatus for forming an explosively expanded tube-tube sheet joint including a barrier tube Apparatus for expanding a tube into a bore formed in a tube sheet in which a tubular force-transmitting member extends within the tube coextensive with the portion of the tube to be expanded. An explosive is disposed in the bore of the force-transmitting ... | 08/11/1987 |
| 4641774 | Fixture for explosively welding a tube to a tubesheet A fixture for explosively welding a tube to a tubesheet in which a plug extends within a cup which in turn is inserted into a fixture tube. A first explosive extends within the chamber defined by the cup and the plug and a second explosive extends within ... | 02/10/1987 |
| 4635840 | Forming method using an electromagnetically exploded filament The invention provides a method for expanding a pipe at a predetermined location therealong by positioning a conductive wire at the required location and rapidly discharging a known electrical charge through the wire to explode, thereby initiating a shock... | 01/13/1987 |
| 4631821 | Method for joining metal components to a substrate A method for fixing a pin to a ceramic substrate includes inserting the pin into a hole through the thickness of the substrate, restraining one end of the pin that extends from one surface of the substrate, and striking the end of the pin at the opposite ... | 12/30/1986 |
| 4619129 | Method of and apparatus for forming blanks by hydroplastic deformation Method of and apparatus for forming blanks by hydroplastic deformation. In a closed deformation space there is supplied a working fluid under high pressure and, simultaneously, the material of the blank to be deformed which is disposed in the deformation ... | 10/28/1986 |
| 4603885 | Apparatus and structure for joining pipe A pipe and sleeve telescoped joint with the pipe and sleeve in sealing engagement and keys embedded in both pipe and sleeve at their interface. The size and number of the keys are calculated from the size and strength of the pipe. The sleeve is sized and ... | 08/05/1986 |
| 4592577 | Sleeve type repair of degraded nuclear steam generator tubes A sealable multimetallic sleeve for a rapid repair of a degraded tube caused by a detrimental chemical attack on the outside surface of the tube within and in a vicinity of a tube sheet in a steam generator, and the method for sealably inserting the sleev... | 06/03/1986 |
| 4585374 | High energy formed connections Method and apparatus for the joining of one tubular member to another tubular member through the use of the substantially instantaneous application of high energy to the tubular members, such as by the use of explosives, while placing one tubular member i... | 04/29/1986 |
| 4577593 | Waterwall tube orifice mounting assembly In a forced steam generator (10) having orifice assemblies (36) positioned in the inlet of each tube (28) lining the walls of the furnace (12). The orifice assemblies are explosively (46) expanded into each tube. In order to permit the tubes to be complet... | 03/25/1986 |
| 4571800 | Method for explosively forming an auxiliary exit cone for the nozzle of a rocket motor A method of and apparatus for forming with a minimum of labor, by explosive forming means, an automatically extendible auxiliary nozzle member or exit cone for a rocket motor, the member having tapered sinusoidal flutes with the stresses and thicknesses t... | 02/25/1986 |
| 4567632 | Heat exchange tube repairs In a method of repairing a defective tube in a tube-in-shell heat exchanger by inserting a tubular repair sleeve within the defective tube and sealingly bonding one end region of the sleeve to the tube and the other end region of the sleeve to the tube sh... | 02/04/1986 |
| 4547949 | Method for mounting a radar reflector on an artillery shell The method of mounting a radar reflector on an artillery shell contemplates providing a body constituted by a functional element and a sleeve element formed rotationally-symmetrical about a lengthwise axis of said body with at least one explosive device a... | 10/22/1985 |
