Class / Patent application number | Description | Number of patent applications / Date published |
138143000 | Metal | 27 |
20090038704 | Motor Vehicle Pipeline and Method for the Manufacturing of a Motor Vehicle Pipeline - Motor vehicle pipeline comprising a metal tube with an aluminum layer is applied to the outer surface of the metal tube. An aluminum oxide layer is present on the outer surface of the aluminum layer. The aluminum oxide layer forms the outer layer of the motor vehicle pipeline. A method of making the motor vehicle pipeline is disclosed. | 02-12-2009 |
20090114305 | CORROSION RESISTANT SHEET METAL JACKETING - A corrosion resistant jacket for insulated pipes comprising an outer polymeric layer, an inner polymeric layer, and a sheet metal layer disposed between the outer and the inner polymeric layers. Also disclosed is a method of making a corrosion resistant sheet metal jacket. | 05-07-2009 |
20090173408 | Steel Pipe Covered at its Inside Surface with Polyolefin Superior in Durability and Method of Production of Same and Plated Steel Pipe Used for that Covered Steel Pipe - A steel pipe covered at its inside surface with a polyolefin superior in durability comprising a steel pipe galvanized at its inside surface and its outside surface with layers containing Al in 0.01 to 60 mass % and covered at its inside surface with a polyolefin pipe through a binder. | 07-09-2009 |
20090250135 | PRESSURE CAST CONCRETE OR MORTAR LINED STEEL PIPES AND METHODS OF MAKING THE SAME - Pressure cast lined steel pipes comprise an annular concrete or mortar liner along an inside diameter, and a metal shell surrounding the liner, wherein the liner is in direct contact with the metal shell. The wall thickness of the liner can be from 10 to 50 times the thickness of the metal shell. The pipe may be coated with a dielectric material. A mold assembly used to form the pipe includes an annular concrete or mortar composition chamber formed between the metal shell and an inner mold member. Pressurized water is used in the mold assembly to pressurize the concrete or mortar composition and exert a desired pressure force onto the metal shell while the composition cures in the mold. Once a desired degree of cure is achieved, the pressure is removed causing the metal shell to exert a desired compression force onto the cured liner. | 10-08-2009 |
20090250136 | CORROSION RESISTANT SHEET METAL JACKETING - A corrosion resistant jacket for insulated pipes and components includes an outer polymeric layer film, an inner polymeric layer and a core layer of a lesser stainless steel material disposed between the outer polymeric layer film and the inner polymeric layer. | 10-08-2009 |
20100012217 | EMBEDDED METALLIC TUBES WITH COMPRESSION FIT AND METHOD FOR MANUFACTURING THE SAME - A metallic tube, including a first cylindrical member, which is formed from a flat metal strip, and a second cylindrical member, which is formed from a flat metal strip, wherein the first cylindrical member is embedded within the second cylindrical member. | 01-21-2010 |
20100089482 | METHOD FOR PRODUCING DUCTWORK CONNECTING COMPONENTS FOR AIR-HANDLING SYSTEMS, CONNECTING COMPONENTS AND AIR-HANDLING SYSTEM - The present invention relates to a method for producing ductwork connecting components ( | 04-15-2010 |
20100108173 | HIGHLY ABRASION-RESISTANT POLYOLEFIN PIPE - A pipe- or tube-shaped article having an innermost layer is disclosed which comprises a polyolefin composition comprising a polyolefin comprising ethylene and an α-olefin. The article provides long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Also disclosed are methods for preparing the article and transporting abrasive materials. | 05-06-2010 |
20110017339 | METHOD FOR ROLLED SEAMLESS CLAD PIPES - A method of forming clad piping or tubing includes the steps of forming an assembly of a support billet having a cladding surface and a cladding material billet, sized to cooperate with the cladding surface of the support billet, with an interface gap defined between the cladding material billet and the cladding surface of the support billet, sealing the interface gap, evacuating the interface gap and metallurgically bonding the cladding material billet to the support billet by a Hot Iso-static Pressing or weld overlay process to form a composite billet, and hot-rolling through a rotary mill the composite billet to form the clad piping or tubing. | 01-27-2011 |
20110197986 | COMPOSITE PIPE FOR HIGH-PRESSURE GAS AND A MANUFACTURING METHOD OF THE SAME - A composite pipe and a manufacturing method for the same are disclosed. The composite pipe for replacing carbon steel pipes for ordinary piping or copper pipes for air-conditioner includes: a first resin layer ( | 08-18-2011 |
20120175006 | PVC/CPVC Composite Pipe With metal Interlayer And Process For Making It - A composite pipe has a metal conduit sandwiched between inner and outer conduits of PVC/CPVC, each of which are adhesively secured to the interlaying metal conduit with a dried, solvent-free thin layer of a thermosetting bilayer adhesive which provides a bond with the metal, which bond fails in cohesive failure. Narrowly defined limits on the thickness of each conduit are found to provide a bendable composite pipe with an aluminum interlayer; and to provide a rigid non-bendable composite pipe with a steel interlayer. Making the composite pipe which meets required ASTM and NSF test considerations requires unexpectedly critical process steps. A process for making the pipe is disclosed, as are PVC/CPVC fittings which allow lengths of pipe to be solvent-cemented in them so as to seal the terminal ends of the pipe against infusion of fluid under pressure in the pipe, thus preventing delamination. | 07-12-2012 |
20120234427 | Multilayer Tube with an Aluminium Alloy Core Tube - The invention relates to a multilayer tube comprising a metal tube having an inner surface and an outer surface, a first polymeric layer bonded to the outer surface, and preferably a second polymeric layer bonded to the inner surface, and wherein the metal tube is made from an aluminium alloy having, in wt. %: Si 1.5 to 2.45, Fe 0.5 to 1.2, Mn 0.5 to 1.2, Cu 0.3 to 1, Mg 0.04 to 0.3, Ti<0.25, Zn<1.2, and other impurities or incidental elements, each <0.05, total <0.25, and the balance being aluminium. | 09-20-2012 |
20130087240 | Explosive Cladding Of At Least Two Metal Pipes Arranged Within Each Other - A method for attaching together by means of explosion welding two metal pipes ( | 04-11-2013 |
20130098496 | STEEL FUEL CONVEYING PIPE - To provide a steel fuel conveying pipe which has high resistance to corrosive fuel and maintains reliability without damaging a direct-injection engine, and connects a high-pressure pump and a direct-injection rail with each other in a gasoline direct-injection engine system, and a fuel conveying pipe suitable as a bypass pipe for coupling direct-injection rails with each other in a V-type gasoline engine. A steel fuel conveying pipe for conveying gasoline is characterized in that a Ni-plated layer is provided on the whole inner circumferential face of the fuel conveying pipe, and an anti-rust film layer composed of a Zn-plated layer and a Zn-based alloy-plated layer is further provided on the Ni-plated layer at at least one end of the fuel conveying pipe. | 04-25-2013 |
20130126033 | METHOD TO MAKE A CURVED TUBULAR ELEMENT IN ORDER TO CONVEY ABRASIVE MATERIALS SUCH AS CONCRETE OR SUCHLIKE, AND CURVED TUBULAR ELEMENT THUS OBTAINED - Method to make a curved tubular element in order to convey abrasive materials such as concrete or suchlike, which comprises a first step of making at least a curved component made of a material highly resistant to wear, having an arched transverse development comprised between | 05-23-2013 |
20130153077 | METAL PIPE FOR VEHICLE PIPING AND METHOD OF SURFACE-TREATING THE SAME - Disclosed is a metal pipe which is for vehicle piping and which exhibits high corrosion resistance without the corrosion resistance being strengthened by means of a coating or a resin coating-layer, due to a hot-dip plating coating-layer being formed by applying a hot-dip plating to the pipe. The disclosed metal pipe for vehicle piping has a plating coating-layer formed on the surface of a formed metal pipe, said plating coating-layer being formed by means of hot-dip plating on the surface of the metal pipe, and the plating coating-layer being formed from a hot-dip plating alloy comprising at least 3 weight % Al, 1-15 weight % Mg, and Zn and unavoidable impurities as the remainder. | 06-20-2013 |
20130206271 | Exhaust System - An exhaust system for motor vehicles has a component made from a coated steel sheet. The steel sheet has a thickness of at most 4.5 mm and is formed of a ferritic stainless steel having a chromium content of from 10.5% to 25%, a molybdenum content of from 0 to 2.5%, and a titanium and/or niobium content of from 0.1 to 2% each. The coating of the steel sheet consists essentially of nickel. | 08-15-2013 |
20130206272 | Cr-CONTAINING AUSTENITIC ALLOY TUBE AND METHOD FOR PRODUCING THE SAME - There is provided a Cr-containing austenitic alloy tube, wherein a chromium oxide film with a thickness of 0.05 to 1.5 μm having the relationship defined by Formula (i) is formed on the inner surface of the tube, wherein the average concentration of C in the depth range of 5 to 10 μm from the inner surface is lower than the concentration of C in a base metal; | 08-15-2013 |
20130263961 | COMPOSITE PIPE HAVING IMPROVED BONDING STRENGTH BETWEEN HETEROGENEOUS MATERIALS, AND APPARATUS AND METHOD OF MANUFACTURING THE SAME - The present disclosure relates to a composite pipe having improved bonding strength between heterogeneous materials, which provides continuous bonding strength by chemical bond between heterogeneous materials, thereby preventing separation between the heterogeneous materials even at a high temperature and a high pressure, so as to replace a metal-based pipe used in fields of industry demanding heat resistance and chemical resistance, and an apparatus and a method of manufacturing the composite pipe. Accordingly, strong bonding strength according to chemical bond in the unit of nano between the heterogeneous materials is achieved, so that separation between the heterogeneous materials is not generated even at a high temperature and a high pressure, thereby being capable of further expanding the applicable fields of industry. | 10-10-2013 |
20130319570 | MAKING PIPE FOR LIQUID CONVEYANCE - The invention relates to an apparatus for making a multilayer composite pipe. The multilayer composite pipe comprises an innermost layer ( | 12-05-2013 |
20150114508 | METAL-RESIN COMPOSITE PIPE THAT CAN BE EASILY WOUND INTO RING SHAPE AND, METHODS FOR MANUFACTURING THE SAME - The present invention may manufacture a composite pipe by forming an adhesive layer and a resin layer on an outer surface of a metal pipe, and although the composite pipe is wound in a ring shape after the composite pipe is manufactured, a circular cross sectional shape may be maintained without deformation, and after the composite pipe is straightened for the purpose of construction, separation or buckling may be prevented, resulting in excellent transportability and constructability of a product. | 04-30-2015 |
20150144220 | PIPE HAVING HEAT-RESISTANT AND CORROSION-RESISTANT PLATING LAYER THAT HAS EXCELLENT WORKABILITY - Provided is a pipe having a heat-resistant and corrosion-resistant multi-layered plated layer excellent in workability. The pipe includes a multi-layered plated layer including: a ZnNi alloy plated layer that has a Ni content of 5% to 9% and a layer thickness of 3 μm to 9 μm and is formed as a first layer on a surface of a base steel pipe; another ZnNi alloy plated layer that has a Ni content of 10% to 15% and a layer thickness of 1 μm to 3 μm and is deposited as a second layer on the ZnNi alloy plated layer formed as the first layer; and a chromate film that is formed on the ZnNi alloy plated layer formed as the second layer. | 05-28-2015 |
20150316179 | COMPOSITE TUBULAR STRUCTURES - Various implementations of composite tubular structures are disclosed. The composite tubular structures of the present disclosure may have improved formability, increased strength, reduced weight, or a combination of the foregoing. Furthermore, the composites tubular structures of the present disclosure may have greater strength to weight ratios than prior art composites. | 11-05-2015 |
20160069503 | Process for lining metal pipelines - The present invention pertains to a process for lining a metal pipeline, said process comprising the following steps: (i) processing a thermoplastic polymer composition thereby providing a pipe liner having an outer diameter greater than the inner diameter of said metal pipeline, said thermoplastic polymer composition comprising, preferably consisting of:—at least one poly(aryl ether ketone) polymer [(PAEK) polymer],—at least one poly(phenylene sulfone) polymer [(PPSU) polymer],—optionally, at least one poly(arylene sulfide) [(PAS) polymer], and—optionally, at least one plasticizer; (ii) deforming said pipe liner thereby providing a deformed pipe liner having an outer diameter smaller than the inner diameter of said metal pipeline; (iii) inserting the deformed pipe liner in said metal pipeline; and (iv) expanding the deformed pipe liner to fit with the inner diameter of said metal pipeline. The present invention also relates to a pipeline system comprising at least two coaxial pipes, an outer metal pipeline and inner pipe comprising at least one layer comprising, preferably made of said thermoplastic polymer composition. | 03-10-2016 |
20160072265 | RESIN-COATED WIRE HARNESS PIPE - A wire harness pipe includes an aluminum pipe, a heat shrink tube that coats the outer surface side of the aluminum pipe, and an adhesive layer that is disposed between the aluminum pipe and the heat shrink tube. | 03-10-2016 |
20160105944 | ENERGY DISSIPATIVE TUBES - One aspect of the invention provides an energy dissipative tube including: a length of corrugated stainless steel tubing; a conductive resin layer adjacent to the outside of the tubing; and an insulative resin layer adjacent to the conductive layer. Another aspect of the invention provides an energy dissipative tube consisting of: a length of corrugated stainless steel tubing; a conductive thermoplastic polymer layer adjacent to the outside of the tubing, the conductive thermoplastic polymer layer having a volume resistivity of less than about 10 | 04-14-2016 |
20160151818 | COMPOSITE TUBE AND MANUFACTURING METHOD THEREOF | 06-02-2016 |