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Patent Searching and Data


Matches 601 - 650 out of 5,274

Document Document Title
WO/2004/031438A1
The invention relates to hollow bodies, whose internal surface is coated, to a coating method and to devices for carrying out said coating method to specifically adapt the physical characteristics, e.g. electrical conductivity, diffusion...  
WO2003012168B1
This invention concerns tubes for the use at high temperatures or any other aggressive environment. Tubes according to the invention have a coating consisting of a layer of aluminium and aluminium oxide with a thickness of at leat 0,3 mm...  
WO/2004/022817A1
A method for preventing the elution of lead and/or nickel from a copper alloy piping material such as a valve or a pipe joint into a fluid, which comprises cleaning at least the portion contacting with a fluid of the copper alloy piping ...  
WO/2004/023026A1
A flexible, kink resistant, fluid transfer hose construction that employs a flexible and abrasion-resistant protective jacket is provided. The protective jacket demonstrates the necessary mechanical properties to be included under a crim...  
WO/2004/007161A1
The invention relates to the field of materials technology and a method for the production of textile-reinforced concrete claddings, such as may be used in water and sewage industries for the cladding of plastic pipes or plastic containe...  
WO/2004/001178A2
A downhole pipe or casing repair method and apparatus (10) includes a corrosion monitoring tool adapted for examining an interior of a pipe or tubing or casing (16) to create a record of the condition of said interior of said pipe, a sur...  
WO/2003/106881A1
Method and apparatus for guiding an everting form (1) employed to carry formed-in-situ repair material into a pipe (2) or conduit comprising passing guiding means (3) through the interior and along the full length of said everting form i...  
WO/2003/106882A1
A method of distributing liquid present in the lower portion of a gas pipeline to the interior upper surface of the pipeline including the steps of passing a pig having a venturi therein, the venturi being actuated by gas pressure taken ...  
WO/2003/102268A1
A protecting device for a metal structure (22; 26), comprising at least one sacrificial anode (12; 16; 30) of a less precious metal than the metal structure and a fastener connecting the sacrificial anode and the metal structure electric...  
WO/2003/095887A1
Method for the field insulation of connecting joints (3) for fluid transport pipelines (1, 2), where said pipelines are each composed of a metallic tube (101, 102) partially insulated with at least one layer (201, 202) of an anticorrosiv...  
WO/2003/093714A2
The liner assembly (10) is for use in a joint between two pipe segments. The assembly (10) includes a first ring member (50), a second ring member (60) and a corrosion barrier ring (70). The first ring member (50) is configured to cooper...  
WO/2003/078881A1
The invention lies within the field of manufacturing and assembling pipelines with full-length inner anti-corrosion coating (except the ends of pipes), and it may be used for anti-corrosion protection of welded joint's inner surfaces. Th...  
WO/2003/074917A1
A pipe system for transport of corrosive fluids, such as crude oil or natural gas, comprises a corrosion−prone tubular member (1) which is coated with an inner corrosion−resistant lining (3). The tubular member (1) and inner lining (...  
WO/2003/061453A2
A system (100) and method are provided for identifying up to ten analytes within body fluids, such as saliva. The system (100) includes an analyte tester (102) such as a flow immunoassay tester, an oral aspirator (402), a conduit (410) i...  
WO/2003/060198A1
A tubular member (12) having an internal and/or external metal thread (18, 20) at one end thereof, at least part of the thread (18, 20) being coated with an alloy of copper and tin, said alloy containing 5 wt% to 95 wt% copper. The tubul...  
WO/2003/020494A1
A process for continuously applying an external coating along a predetermined region of a pipe, said process comprising the steps of heating the pipe along said predetermined region, applying a heated strip of coating material along said...  
WO/2003/016432A1
The levels of iron sulfide present in a conduit, such as a pipeline, are reduced by contacting the conduit, on an inner surface, with a composition obtained from an aqueous solution containing at least one compound of Formula (I) and at ...  
WO2002088592A9
Impregnation of water and oil into a coating film can be positively shut off, the coating film can be brought into closer contact, and corrosion resistance and chemical resistance can be significantly increased. A plating layer (4) is fo...  
WO/2003/006583A1
The present invention relates to a method for inhibiting high temperature corrosion of corrosion prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of an additive aroma...  
WO/2003/006582A1
The present invention relates to a method for inhibiting high temperature corrosion of corrosion prone metal surfaces by organic acid-containing petroleum streams by providing an effective corrosion-inhibiting amount of 4-sulfophthalic a...  
WO/2003/001024A1
A high strength sucker rod coupling for use with high strength sucker rods, and methods for fabricating the coupling. The coupling (10) is fabricated from a hardened, hollow cylindrical coupling blank (12). An outer surface (14) of the c...  
WO/2002/094922A1
Polyolefin coated steel pipes with high dynamic fracture toughness of the coating of the steel pipes during installation handling and in service, consisting of a steel pipe core, optionally an intermediate foamed plastic material, and a ...  
WO/2002/093059A1
A method for inhibiting external corrosion on an insulated pipeline (10) including a pipe (12) and a coating material (16) around the pipe (10) by positioning an alkaline material in the coating material (16).  
WO/2002/090817A1
The invention refers to a process for the internal anticorrosive and anti-erosive protection of tubular steel material by using squired plastics and the resulting material can be used in the oil industry, for instance. This process, acco...  
WO/2002/090816A1
A multi−layer coated tube (1) connected through a flare nut (10) and capable of assuring sufficient corrosion resistance and chemical resistance to oil and water since the flare nut can be used without working, for example, contracting...  
WO/2002/088587A1
A buoyancy control system for controlling the buoyancy of a tube may includes generally tubular length of buoyancy control material having a selected buoyancy characteristic. The length of buoyancy control material may be attached to a s...  
WO/2002/087869A2
The present disclosure is directed to embodiments of composite tubing having properties tailored to meet a wide variety of environmental and working conditions. Composite tubes disclosed herein may include one or more of the following la...  
WO/2002/084162A1
A threaded joint for steel pipe formed of a pin and a box having a contact surface including threaded parts and a non-threaded metal contact part and capable of stably assuring a seizure resistance and an airtightness without applying co...  
WO/2002/068854A1
The threaded connection (10) between the pin (50) and the box (30) ends of two pipes (15,20) is sealed externally and internally to protect the threads (40,55) in the connection from exposure to corosive fluids. Seals (60,65) are provide...  
WO/2002/059519A1
A threaded joint for steel pipe, comprising a pin and a box allowed to be fitted to each other, wherein a porous zinc or zinc alloy layer as a lower layer by a projection plating method and a solid lubrication film (film containing lubri...  
WO/2002/053963A2
A method for inhibiting external corrosion on an insulated pipeline (10) including a pipe insulation (12) positioned outside and around the pipe and a coating material (14) around the insulation by positioning a plurality of concentrated...  
WO/2002/039008A1
The invention concerns a flexible pipe comprising a sealing plastic sheath and an inner plastic sheath defining an annular space wherein are arranged structural elements comprising at least a web of armour consisting of long-pitch helica...  
WO/2002/030667A1
A method of producing steel pipes having at least two outer layers. The method comprises two steps (a) and (b). In step (a) the outside of the steel pipe (3) is coated with a first anti-corrosive layer (4) of a material chosen from among...  
WO/2002/030653A2
Method of applying a heat activatable covering (24) to an area of a substrate coated with a heat sensitive coating (14,16) that has a melting point or a softening temperature lower than an activation temperature for the covering (24). Th...  
WO/2002/029307A1
The protective sheath is intended to cover a flexible tube (7) or hose used for the conveyance of a working fluid to an hydraulic or pneumatic device and is formed of a strip (10) that is helically wound around the outer surface (8) of t...  
WO/2002/025156A2
Apparatus for converting a flexible liner 2 including a layer 3 of composite material comprising thermoplastics material and reinforcing fibres, into a structural member within a duct 1, has a front portion 6 for insertion in the liner 2...  
WO/2002/010632A1
A flexible protective sleeve (10; 20; 30; 40; 50) for protecting pipes or wires comprises a generally tubular wall (12; 22; 32; 42; 52) having a slit (14; 24; 34; 44) therein giving access to the interior of the sleeve. The wall comprise...  
WO/2001/090623A2
Method and apparatus for the maintenance of pipelines. A number of points along the pipeline (30) is selected and the pipeline is raised at these points by an amount that the height difference between these points does not exceed the int...  
WO/2001/087584A1
An elongate tubular article extending along a longitudinal axis has a polypropylene covering. A polyolefin secondary covering is at least partially superimposed over the polypropylene. The secondary covering has an edge with a face exten...  
WO/2001/088338A1
A method of, and apparatus for, lining the interior surface (13) of a passageway (15) such as a pipeline, involving progressive installation of a liner (11) on the interior surface (13) of the passageway (15) or on a substrate applied to...  
WO/2001/081814A1
The invention relates to a pipe coupling or pipe clamp (3) for connecting or repairing pipes (1, 2). Said coupling comprises a sealing cuff (30) and a housing (10). An intumescent coating (8) is applied to the exterior of the coupling to...  
WO/2001/081811A1
The invention is to provide a coupling structure of corrosion resistance for nonferrous metal piping. The coupling structure comprises: iron socket members (10, 10a), for a two piece iron socket, each being in the shape of a divided half...  
WO/2001/066991A1
A reinforced tubular structure is manufactured by tacking a metal foam precursor (12) into a tubular member (14) and activating the foaming agent to reinforce a desired segment of the tube. The precursor may also be placed prior to the r...  
WO/2001/057428A2
The invention relates to a method for protecting metal conduits used for transporting natural gas, especially wet natural gases containing carbon dioxide and/or hydrogen sulphide, against internal corrosion on the inner surfaces of said ...  
WO/2001/054824A1
The use of nylon particles as a component in epoxy coatings for metal tubing gives the coatings improved properties. The particles improve the coating"s abrasion and corrosion resistance and improve its ability to withstand downstream fo...  
WO/2001/053566A1
A corrosion resistant multi-layer tube (10) comprises a metal tube (12); a zinc layer (14) bonded to the metal tube outer surface (13); a surface treatment layer (16) bonded to the zinc layer (14); a priming layer (17); a first polymeric...  
WO/2001/046612A1
A method and apparatus for providing metal or non-metal vessels including straight and curved pipes (10) and various pipe connections, such as T's, elbows, swages, etc., and pressure containing vessels such as tanks, with an external com...  
WO/2001/043872A1
The invention relates to a device for handling corrosive chemicals (100, 200, 200), comprising inner channels (101, 102, 103, 201, 301) for circulating said chemicals. The device is characterized in that certain parts (111, 112, 211, 212...  
WO/2001/036713A1
The invention relates to water-soluble corrosion inhibitor compositions, useful for inhibiting corrosion of an oil or gas pipeline. The compositions contain a corrosion inhibitor component and a binding agent component and may be applied...  
WO/2001/016516A1
A threaded joint for an oil well pipe, characterized as having a screw part and/or a metal-metal contacting part with no screws which have, formed thereon, 1) a lubricating coating of an inorganic polymer having a skeleton of M (metal at...  

Matches 601 - 650 out of 5,274