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| Number | Title | Issue Date |
| 7635076 | Method for fabricating large dimension bonds using reactive multilayer joining A method for joining component bodies of material over bonding regions of large dimensions by disposing a plurality of substantially contiguous sheets of reactive composite materials between the bodies and adjacent sheets of fusible material. The contiguous sheets o... | 12/22/2009 |
| 6953141 | Joining of tubulars through the use of explosives Embodiments of the present invention generally relate to methods and apparatus of connecting wellbore tubulars by explosive welding, using a frangible anvil, and reforming a surface of wellbore tubulars at a connection. In one embodiment, a first tubular is aligned ... | 10/11/2005 |
| 6916550 | Method of manufacturing a metal matrix composite structure A method for mechanically cutting a continuous circular shaped groove in a foil sheet for use in a metal matrix composite product. In one form the foil sheet is held adjacent a rotating machine tool by vacuum and a cutting tool is moved relative thereto to cut a spi... | 07/12/2005 |
| 5961027 | Method of producing high energy contoured hermetic seal A method of producing an hermetically sealed bond between a first metal and a second metal wherein the first metal comprises a first portion and a second portion, the method comprising (a) positioning the second portion and the second metal in generally s... | 10/05/1999 |
| 5531369 | Process for making machines resistant to cavitation and liquid droplet erosion The method comprises explosively bonding a NiTi alloy to a steel workpiece formed in the shape of at least a portion of a desired hydraulic device. The nickel content of the NiTi alloy is sufficient to place the alloy substantially completely in the ... | 07/02/1996 |
| 5242098 | Method of explosively bonding composite metal structures It is known to form a composite laminar metal structure, wherein two or more overlapping metal plates (11, 12, 21, 22, 23, 31, 32) are metallurgically bonded at their interfaces, impelling the plates (11, 12, 21, 22, 23, 31, 32) together by means of deton... | 09/07/1993 |
| 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 |
| 4981250 | Explosion-welded pipe joint The invention relates to a method of producing explosion-welded joints between the pipe or pipe lines. By carefully evaluating and testing the configuration of the ends of the pipes to be joined and also the functioning of the charge system, together with... | 01/01/1991 |
| 4964564 | Rotating or moving metal components and methods of manufacturing such components A rotating or moving metal component such as a blade for a gas turbine engine is made from a composite bar of titanium alloy with the sides of the bar having a surface layer of e.g. nickel which is less likely to ignite in particle form or by frictional h... | 10/23/1990 |
| 4925084 | Method of explosion welding alloy aluminium A method of explosion welding magnesium-alloyed aluminium to high strength material. The invention is characterized in that the magnesium-alloyed aluminium material comprises base material (4) and that the base material is clad or coated with a thin cladd... | 05/15/1990 |
| 4880153 | Device for use in explosive welding of two overlapping tubular or annular elements A device for use in explosive welding of two overlapping tubular or annular elements (1, 2) by an explosive charge (3). The explosive charge (3) is located in the hold of the one element (1) in front of the overlapping portion of the other element (2). Th... | 11/14/1989 |
| 4842182 | Impact welding An improved process for metallugically bonding two layers of metal capable of forming brittle intermetallics, by means of propelling one of the layers progressively into collision along the other layer at a velocity and impact angle selected to produce a ... | 06/27/1989 |
| 4815649 | Method of underwater jointing and repair of pipelines At the jointing of pipelines (3), especially underwater, as well as at the repair of damaged portions, a jointing piece (1) must be inserted because the two pipe ends (5) cannot entirely be jointed with precision. The invention proposes an explosive weldi... | 03/28/1989 |
| 4708280 | Tool and process for miniature explosive joining of tubes The invention is a tool and process to be used in explosive joining of tubes. The tool consists of an initiator 81, a tool form 82 and a ribbon explosive 25. The assembled tool 80 is a compact, storable and safe device suitable for explosive joining of sm... | 11/24/1987 |
| 4585155 | Explosive welding patch unit and method A patch unit apparatus and method for expeditiously closing openings in metal walls by explosive welding. The patch unit comprises a metal plate having on one side an explosive charge located near the plate perimeter, and having on the opposite side a con... | 04/29/1986 |
| 4552298 | Apparatus for attaching an underwater explosive pad eye An apparatus for attaching a pad eye to an underwater ship includes explosives connected to the wings of the pad eye to explosively weld it to the hull of the ship. A water-tight housing holds the pad eye and allows gas to be introduced to drive away all ... | 11/12/1985 |
| 4527623 | Kinetically bonded tubes and tubesheet An exterior surface portion of a metal tube (30) is bonded to a surface portion of a bore (11) in a metal tubesheet (10) by detonating an explosive bonding charge (31) inside the tube (30) adjacent a front face (13) of the tubesheet (10). The bonding char... | 07/09/1985 |
| 4333597 | Method of explosively forming bi-metal tubeplate joints A tubejoint for a heat exchanger made of two dissimilar materials is provided wherein the tubeplate joint is manufactured by use of an explosive having a detonation velocity more than 120 percent of the sonic velocity of the tube materials to be welded. V... | 06/08/1982 |
| 4231506 | Method of welding metal pipe sections with explosives A method is provided for the explosive welding together of sections of large diameter metal pipe of the kind used in the construction of high volume oil and gas pipelines. In the method, internal and external band charges of welding explosive are simultan... | 11/04/1980 |
| 4046301 | Process for explosively joining two pipe sections A metal sleeve having a substantially cylindrical outer surface and having first and second inner surfaces tapering outwardly longitudinally from at least adjacent the center thereof is formed to provide equal angles with abutting ends of two hollow cylin... | 09/06/1977 |
| 3987529 | Valve and method for manufacturing the same A valve comprising a valve body and a valve member, said valve body and valve member having cladded seats of hard metal metallurgically connected thereto, and a method for manufacturing said valve comprising a step of metallurgically connecting said seats... | 10/26/1976 |
| 3985279 | Method for explosive welding tubular members using a mandrel The invention relates to a method of joining together the ends of tubular metal members by explosive welding and to a permanent, self-aligning backing mandrel for use in the method. The mandrel is in the form of a tubular member having an outer face defin... | 10/12/1976 |
