| Document |
Document Title |
|
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...
|
|
WO/2001/009265A1 |
The invention concerns a plug based on polymers characterised in that it uses a composition or pre-mixture based on volatile corrosion inhibitors comprising in an efficient amount at least a structuring agent consisting of a solid or pas...
|
|
WO/2001/002503A1 |
Pipes or pipelines insulated and optionally coated on their interior surface or surfaces are described. Pipes or pipelines insulated and optionally coated on their exterior surface or surfaces are also contemplated. The pipes or pipeline...
|
|
WO/2000/073693A1 |
An apparatus (1) for applying a patch (19, 19') of material over the weld seam of a pipe, the apparatus comprising means (6) for advancing the material towards the pipe, means for sensing the position of a weld seam on the pipe, means (1...
|
|
WO/2000/073694A1 |
The invention relates to a conduit pipe (1) made of steel having a wall thickness enabling said pipe to be laid in the deep sea and an external heat-insulating envelope made of aluminum foam (2) whose outer surface has no pores. The inve...
|
|
WO/2000/061982A1 |
The present invention relates to an insert at tube clamps for obtaining a corrosion isolation, whereby it comprises a semi-circular arch formed element (2) which on the outer side of the circular arch comprises at least one projecting me...
|
|
WO/2000/060273A1 |
A line pipe lining structure, wherein the wall thickness of a lining tube (1) disposed along the inner peripheral surface of a pipe is increased, around the periphery of the tube, according to the amount of wear of that tube caused by a ...
|
|
WO/2000/060274A1 |
The invention relates to a method for inhibiting corrosion (18) in the arch of a pipe (10) carrying a multiphase corrosive liquid comprising a liquid phase (12) which flows off at the lower part of the pipe (10) and a gaseous phase (14) ...
|
|
WO/2000/055271A1 |
A pipe coating comprising a bitumen composition obtainable by mixing bitumen and a premixed additive comprising i) from 20 to 90 % by weight of one or more block copolymers of a vinyl aromatic hydrocarbon and a conjugated diene based on ...
|
|
WO/2000/052381A1 |
The present invention provides a joint (6) between insulated pipes (4), which comprises: (a) two transport pipes joined together; (b) insulation on each transport pipe which ends short of the joint; (c) a casing surrounding the exposed p...
|
|
WO/2000/045962A2 |
The invention relates to a method and device for treating installed steel pipes which are provided as gas supply lines. According to the invention, the pipe is subdivided into sections (1, 1', 1''), a spraying device (4) is guided throug...
|
|
WO/2000/034185A1 |
The invention concerns a scale preventive device (7) comprising an electromagnetic induction coil (3) with several windings powered in open circuit, whereof the respective turns are interposed to cover a zone (74) common to all of them o...
|
|
WO/2000/028249A1 |
The invention relates to a method of making a pipe, and a pipe. The pipe consists of an outer pipe (2) providing mechanical strength and of an inner layer providing tightness. The outer pipe (2) and the inner layer are formed from semi-f...
|
|
WO/2000/028111A1 |
The invention relates to: A method for the hindrance of adherence and growth of living marine organic items (1) on a surface (5) of an object (2) by means of a magnetic flux (3), said surface (5) being exposed to a marine environment (7)...
|
|
WO/2000/025057A1 |
The invention relates to a tubing arrangement for lining pipes, to a method for producing the same and to a method for lining pipes. The invention especially relates to superpressure pipes with an internal working pressure of greater tha...
|
|
WO/2000/022329A2 |
A submarine pipeline that is insulated from the sea water by coating comprising at least one waterproof, insulating coating layer that comprises a waterproof sealant that flows under ambient pressure or thermal expansion into and seals v...
|
|
WO/2000/020183A1 |
The invention concerns a tube internally coated with a cement composition comprising a layer of cement mortar and a method for making such a tube. The invention aims at reducing or preventing the release of ions, and more generally, the ...
|
|
WO/2000/011390A1 |
Two pipe sections (1-4, 31, 32) of a high-pressure line each comprise a fluid-tight inner jacket (9) made of a thermoplastic material and a reinforced outer jacket (10). The innner jackets are attached to one another by means of a fluid-...
|
|
WO/2000/008373A1 |
The invention concerns a device for protecting welded parting lines (3) between metal tube sections (1, 1') designed to constitute a piping system such as a pipeline, which tube sections (1, 1') are coated with a protective material laye...
|
|
WO/2000/006932A2 |
The invention relates to a method for redeveloping or renovating sewers using a large quantity of scrap rubber. Pipes with low inherent stability are produced from scrap rubber and plastic and then introduced into old sewer pipes or duct...
|
|
WO/1999/065996A1 |
The present invention can be used for protecting steel pipes against corrosion, in particular those used in thermal networks. This invention essentially relates to a fine-grain mixture used for applying an anti-corrosion coating on the i...
|
|
WO/1999/059730A1 |
The invention relates to a method and a device for applying a plastic layer consisting of at least two components to the inner surface of a hollow body. A coating device which has been introduced into the hollow body travels through the ...
|
|
WO/1999/058326A1 |
This invention relates to a laminate for lining a passage, entirely or partially surrounded by walls, on or under the ground, comprising at least one layer of a reinforcement of continuous fibres, curable resin and a plastic foil or a pl...
|
|
WO1999043974A9 |
A corrosion-resistant threaded connection including a first tubular member having an outer metal tube (12) of corrosion-prone material and an inner metal lining (38) of corrosion-resistant material, the first tubular member (12) forming ...
|
|
WO/1999/056055A1 |
A method of protecting a metal pipe against environmental corrosion by applying a covering thereto, wherein the covering comprises an inner layer for forming a bond with the pipe, an outer organic layer, and an intermediate layer, fully ...
|
|
WO/1999/054654A1 |
A flexible protective sleeve (10) for use in protecting an elongated member comprises a generally tubular wall (12) for at least substantially surrounding the member. The sleeve (10) also comprises permanent adhesive (26) adhered to an i...
|
|
WO/1999/053232A1 |
A screw joint for oil well piping excellent in sealing property, wherein a load flank $g(u)1 meets specified requirements, such a form that the inclined surfaces of a trapezoidal screw on both sides are brought into contact simultaneousl...
|
|
WO/1999/049171A2 |
The invention concerns an integral threaded or sleeved assembly of two metal tubes provided or not with an internal coating and in particular designed to contain internally a corrosive fluid. The assembly male element(s) (1) each compris...
|
|
WO/1999/049259A1 |
The invention concerns an ultra dense composite section for flexible pipe armouring, comprising longitudinal carbon filament slivers (3) provided within a thermoplastic or thermosetting matrix (4) in the form of a flat ribbon (2) with su...
|
|
WO/1999/046534A1 |
A sheath (10) for at least partially covering a tubular member, the sheath including a helically wound strip (12) having an electrically conductive portion (16) extending through the strip from an inner surface (18) of the strip (12) to ...
|
|
WO/1999/035434A1 |
A method of protecting a metal article (3') from corrosion. The method comprises applying to an external surface of the article (3') a corrosion protector (10), the corrosion protector (10) comprising a corrosion resistant flexible film ...
|
|
WO/1999/034032A1 |
A device for treating water that circulates in a closed conduit system, said device comprising a combination of a degasifier, on the one hand, and a corrosion inhibitor, on the other hand. The degasifier includes a tubular member (10) wh...
|
|
WO/1999/025899A1 |
An account has been given for corrosion-protection of metal constructions, e.g. in the form of a pipeline consisting of interconnected pipelines (10, 10a, 10b, 10c, 10d) and, possibly, incorporatable in a larger pipe system. Said metal c...
|
|
WO/1999/021916A1 |
Polypropylene composition comprising by weight (A) 60-90 % of at least one heavy mineral filler having a specific weight greater than or equal to 3; (B) 0.1-4 % of a filler compatibilizer; and (C) 10-40 % of a heterophasic polyolefin com...
|
|
WO/1999/019660A1 |
The invention concerns a product for coating the internal surface of a conduit (1), in particular a metal conduit, comprising an internal wall (4) with strong curvature. Said product comprises a solid filler and a liquid. The liquid is a...
|
|
WO/1999/017049A1 |
The present invention may be used for protecting main ducts against corrosion and for increasing their pressure-bearing capacity. The method of the present invention comprises applying a polymeric material to the inner surface of the duc...
|
|
WO/1998/051954A1 |
A pipe coupling (11) is shown for connecting two pipelines (17, 19) of different materials together in a well environment which prevents deterioration of the pipe due to galvanic action. The couple (11) achieves its purpose by coating th...
|
|
WO/1998/044286A1 |
The invention concerns metal, preferably copper, tubes coated with a protective film consisting of a composition based on polyvinyl chloride, stabilised with a lead free primary heat-stabiliser and comprising at least a blowing agent.
|
|
WO/1998/036899A1 |
A coated metal tubing arrangement comprises a metal tube (10). An inner layer (12) of a first polymeric material is bonded to the tube (10) to provide corrosion protection. The first polymeric material has a high crystallinity, a dampeni...
|
|
WO/1998/033749A1 |
A cementitious composition (1) which, in the hardened state, acts as a low leaching coating in low alkalinity and low hardness waters. The composition comprises at least one cement and a highly reactive pozzolan. The cementitious composi...
|
|
WO/1998/024560A1 |
Process for repairing plastic coatings of metal pipes that allows one to obtain said repair using only a flame as the source of heat, comprising the application of protective shields during specific operating phases.
|
|
WO/1998/025063A1 |
The invention concerns a flexible conduit comprising an internal gasproof undulating metal tube (1), the wall of which has helical undulations (8), the external surface of said internal tube having at least concave (10) and convex (11) r...
|
|
WO/1998/012465A1 |
The present invention relates to a coating applied onto the internal surface of a pipe, wherein said coating consists of two coaxial tubular and film-type envelopes (2, 3) made of a thermoplastic polymer. The outer envelope (2) rests aga...
|
|
WO/1998/007896A1 |
The invention relates to using halogenated-element acids and/or salts thereof in chromate-free materials/substances designed for metal surface preprocessing to manufacture coated metal pipes or coated reinforcing or prestressing steels, ...
|
|
WO/1998/006511A2 |
Process for repairing plastic coatings of metal pipes, that allows the repairs to be done in a very short time, by applying, in specific operating phases, a polyolefin adhesive in powder form and polyolefin tapes, and then applying heat ...
|
|
WO/1997/049870A1 |
An anti-corrosive material used to protect buried conduits from corrosion, preferably characterized by a multi-layered co-extruded, calendered, or laminated polyolefin. The material has an outer layer characterized by a low density polye...
|
