Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7393597 | Welded joint made of an austenitic steel A weld joint having a base material and a weld metal both of an austenitic steel, wherein the weld metal has a chemical composition, in mass %, that C: 0.04% or less, Si: 1.0% or less, Mn: 3% or less, P: 0.02% or less, S: 0.005% or less, Cr: 15 to 25%, Ni: 30% or mo... | 07/01/2008 |
| 7341795 | Fe-Cr alloy structure with excellent corrosion resistance and excellent adhesion, and manufacturing method thereof The invention provides a Fe—Cr alloy structure containing Cr of about 6% or more by mass but about 25% or less by mass, having a corrosion-resistant paint film containing metal powder having ionization tendencies greater than iron, with a content of the metal powd... | 03/11/2008 |
| 7275521 | Joint structure of diverging branch pipe in fuel rail for internal combustion engine, diverging branch pipe and manufacture method of its diverging branch pipe A joint structure connects a diverging branch pipe to a fuel rail for an internal combustion engine. The fuel rail is stainless steel or steel with rust prevention processing on at least the inner face. The diverging branch pipe is a double pipe with inner and outer... | 10/02/2007 |
| 7238434 | Welded structure having improved resistance to stress corrosion cracking This invention relates to a welded line pipe structure for transporting corrosive petroleum or natural gas. It is constituted by martensitic stainless steel pipes containing 8–16% Cr and at most 0.05% C. By suitably controlling the welding conditions at the time o... | 07/03/2007 |
| 7225868 | Steel pipe for embedding-expanding, and method of embedding-expanding oil well steel pipe (1) A steel pipe that is expanded radially in a state wherein it was inserted in a well such as an oil well, characterized in that the non-uniform wall thickness ratio E0 (%) before expanding satisfies the following expression {circle around (1)}. E... | 06/05/2007 |
| 7204234 | High-pressure fuel injection pipe A high-pressure fuel injection pipe, which has an outside diameter (φ) of 6.35 mm, an inside diameter (φ) of 4.35 to 2.95 mm, and a wall thickness (t)of about 1.0 to 1.7 mm, can serve as a high-pressure fuel injection pipe for in-cylinder injection type gasoline e... | 04/17/2007 |
| 7126862 | Decoder for memory device A decoder for a memory device includes driving devices each applying a respective line voltage to a respective line of the memory device when turned on. The decoder also includes a control device coupled to the plurality of driving devices at a common node for gener... | 10/24/2006 |
| 7087853 | Method for joining porous metal structures and structure formed thereby A method for joining weldable metal structures and compound structure formed using the method are disclosed herein. The method includes steps of abutting a first structure to a second structure along an edge to form a seam. The two structures are then welded togethe... | 08/08/2006 |
| 7051768 | Hydroform process and hydroform product When hydroforming a steel pipe, a tubular deformation assisting member made of an incompressible material softer than the steel pipe is fitted on the outer peripheral surface of the steel pipe. The deformation assisting member is attached at least to an area corresp... | 05/30/2006 |
| 7021343 | Fuel filler pipe for automobile A fuel filler pipe interconnecting a fuel tank and canister, and a fuel supply port of an automobile includes a fuel filler pipe body having an upper end and a circulation tube and an air vent tube each of which has an end communicating with the upper end of the fue... | 04/04/2006 |
| 6986922 | Singlelayer and multilayer polyolefin foam pipes Single layer and multilayer polyolefin foam pipes with improved compression resistance have a polyolefin foam layer which consists of mixtures of modified propylene polymers having strain hardening behaviour or propylene homopolymers with a stereospecifity index >98... | 01/17/2006 |
| 6953062 | Fuel tank or fuel pipe excellent in corrosion resistance and method for producing the same The present invention provides a fuel tank or a fuel pipe excellent particularly in the corrosion resistance of the outer surface in a salt damage environment, and is a fuel tank or a fuel pipe excellent in corrosion resistance characterized by: being formed by usin... | 10/11/2005 |
| 6915820 | Automotive fluid tubing, especially for fuel and hydraulic fluid An automotive fluid tubing, especially for gasoline, diesel fuel or hydraulic fluid, and composed of metal can be provided with a tube coating of aluminum and then a polyamide 12 layer which is extruded onto the aluminum coating. The polyamide extruded layer greatly... | 07/12/2005 |
| 6845559 | Method for coupling a protective net to flexible tube for a sprinkler A structure and a method for coupling a protective net to a flexible tube, comprising shaping the flexible tube, wrapping the flexible tube with the meshed protective net made of stainless steel, and welding both ends of the flexible tube to both ends of the protect... | 01/25/2005 |
| 6782921 | High-strength steel pipe excellent in formability and burst resistance A high-strength steel pipe excellent in formability and burst resistance wherein, when a high-strength steel pipe exceeding 850 N/mm2 in tensile strength is produced by a UOE method, a ratio (R/r) of an average radius of curvature in a range of 120 mm in ... | 08/31/2004 |
| 6777110 | Metallurgically bonded layered article having a curved surface A layered article having a curved surface made of a supporting metal metallurgically bonded to a supported metal. ... | 08/17/2004 |
| 6684910 | Multi-layered pipe A pipe of layers of thermoplastic polyolefins of the same type, however with different properties, which are connected inseparably with one another, an outer first layer and a second layer, adjoining the first layer on the inside, consisting of a material... | 02/03/2004 |
| 6659137 | Two-layer clad pipe An outer pipe 10 and an inner pipe 12 are formed by drawing. Inner pipe 12 is inserted into outer pipe 10 and a metal core 14 is inserted into inner pipe 12. From this state, drawing is performed so that outer pipe 10 presses tightly against inner pipe 12... | 12/09/2003 |
| 6607010 | Flexible collapse-resistant and length-stable vaccum hose A hose for containing a vacuum, which hose has an impermeable flexible tube capable of holding a vacuum and a braided or interwoven flexible interior wall, said wall providing support to said interior wall of said impermeable flexible tube. Optionally, an... | 08/19/2003 |
| 6579628 | Multi-layered anti-coking heat resistant metal tube and method for manufacture thereof The multi-layered heat resistant metal tube is disclosed. This tube has excellent anti-coking characteristics and is suitable for use under the conditions where carbon tends to deposit and accumulate thereon due to contacting with hydrocarbons at a high t... | 06/17/2003 |
| 6555251 | Multi-layer, heat treatable brazing sheet with aluminum interlayer A four layer composite including a first interliner positioned between a 4xxx series braze clad and a core alloy and a second interliner positioned on the opposite side of the core alloy from the first interliner. At least one of the first and second inte... | 04/29/2003 |
| 6532995 | Super-high-strength line pipe excellent in low temperature toughness and production method thereof To provide a super-high strength line pipe that is excellent in low temperature toughness, can be field welded easily, and has a tensile strength of at least 900 MPa (exceeding ×100 of the API standard), and a production method thereof. The present inven... | 03/18/2003 |
| 6514631 | Heating furnace tube and method of manufacturing the same A heating furnace tube, a method of using the same and a method of manufacturing the same which have been developed with a view to eliminating inconveniences occurring when a carbon-containing fluid is made to flow in the heating furnace tube. The heating... | 02/04/2003 |
| 6387535 | Sheet having a multilayer structure Sheet having a multilayer structure, called a sandwich sheet, composed of two rolled metal skins which are joined together by a core, in which sheet the core contains a stainless steel wool.... | 05/14/2002 |
| 6354332 | Coolant line for air conditioning systems A coolant line for air-conditioning systems that are operated with carbon dioxide as a coolant, particularly air-conditioning systems of motor vehicles, can be tightly connected at both ends to connecting parts. The line has an inside, metallic, corrugate... | 03/12/2002 |
| 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 a shell formed from stainless steel or high nickel alloy ... | 12/11/2001 |
| 6325107 | Metal pipeline having a protective coating layer for an automobile A metal pipeline for use in an automobile having a protective coating layer comprising a metal tube, a zinc-nickel alloy plating layer formed on the outer circumferential surface of the metal tube, a chromate layer formed on the zinc-nickel alloy plating ... | 12/04/2001 |
| 6293313 | Stainless steel shafts, assemblies and methods of making same The invention provides methods of manufacturing hardened stainless steel tubing, pipe, shafts and assemblies. The present inventions also provides stainless steel shafts, tubing, pipe or assemblies reinforced with stainless steel members brazed and harden... | 09/25/2001 |
| 6289912 | Pinch element plastic valve A valve has a contractible valve element formed of an inner laminae of PFA, an outer laminae of PTFE with the outer laminae having a boss to provide positive compression and positive distension of the valve element. The portion that constrict is welded to... | 09/18/2001 |
| 6240972 | Multi-wound metal tube An apparatus is provided for manufacturing a high quality multi-wound metal tube having satisfactory adhesion between multi-wound walls and for a seam portion at a reduced cost. Walls of the multi-wound tubular body are pressure welded with each other and... | 06/05/2001 |
| 6238806 | Clad steel pipe A clad material of a clad steel pipe is disposed on at least one of an internal surface and external surface of a base material, the clad material having two lateral edges which are welded together to form the pipe. A thickness of the clad material at the... | 05/29/2001 |
| 6209353 | Method for producing an object having a flange and apparatus therefor A known method for producing an object having a flanged tubular portion at the outer periphery, comprises supplying a continuously extended, cylindrical body made of the flange material to a welding zone at the tubular portion of the object and welding th... | 04/03/2001 |
| 6135160 | Multi-wound stainless steel pipe A multi-wound stainless steel pipe produced by plastic-deforming a hoop material made of a stainless steel sheet applied with a Cu-brazing material on the surface thereof to a multi-wound pipe and after melting the brazing material between the walls of th... | 10/24/2000 |
| 6129999 | High-strength welded steel structures having excellent corrosion resistance Welded high-strength steel structure with excellent SSC and corrosion resistance in a wet carbon dioxide environment having a low H2 S concentration. A structure having a Vickers hardness of at most 350 and a joint tensile strength of at least ... | 10/10/2000 |
| 6092556 | Multi-wall tube A multi-wall tube and a method for making the multi-wall metal tube. In the process, a preformed tube is used as an inner core. A metal strip, coated with binding metal, is longitudinally wrapped around the core tube. The assemblage is then heated to the ... | 07/25/2000 |
| 6085800 | Lapped steel tube A lapped steel tube which is improved in resistances to the repeated high-pressure fatigue and the cavitation erosion, in the vibration resistance and in the fitting properties to eliminate the clearances between its inner, outer and intermediate pipes an... | 07/11/2000 |
| 6062266 | Multibellows element A tube element, especially for the exhaust systems and exhaust gas recirculation systems of combustion engines in vehicles. The element has a single- or multi-ply tube element made of metal which is provided with cylindrical end fittings and at least two ... | 05/16/2000 |
| 6053209 | Process for manufacturing ribbed tubes and ribbed tubes thus manufactured The invention concerns a process for manufacturing ribbed tubes, wherein a stainless steel tube is provided with ribs by helicoidally winding a copper strip around it, and a ribbed tube thus manufactured. In joining the tube and rib, the unmelted copper s... | 04/25/2000 |
| 6050301 | Al alloy composite tube for refrigerant passages and method for producing the same There is disclosed an Al alloy composite tube for refrigerant passages, made by extruding, or extruding and drawing a two-layer composite pipe obtained by shrink-fit of a tubular Al alloy inner material to the inside of a tubular Al alloy core, or a three... | 04/18/2000 |
| 5996633 | Heat-exchanging conduit tubes for laminated heat exchanger and method for producing same Heat-exchanging conduit tubes for a laminated heat exchanger made of aluminum material containing aluminum alloy having a brazing material claded and formed by folding one plate or overlaying two plates and brazing to connect edge joints of the folded pla... | 12/07/1999 |
