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WO/2012/054992 |
An elongate hollow structure such as a pipe (10) and a method of constructing such an elongate hollow structure. The pipe (10) comprises a radially inner portion (11) and a radially outer portion (13), with the two portions (11, 13) merg...
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WO/2012/048535 |
A connection structure for an insulated oil pipe. The connection structure comprises a coupling collar (1), an outer tubing (2), and an inner tubing (3). A sealed tubing insulation cavity (4) is formed between the inner tubing (3) and th...
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WO/2012/047136 |
The invention relates to the design of a thermally insulated pipe for use in heating and hot water supply systems. The essence of the invention is that the thermally insulated flexible multilayer polymeric pipe, which is flame retardant,...
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WO/2012/046232 |
A delayed degradability drip irrigation pipe including a water conduit at a water conduit pressure and a plurality of drip irrigation outlets, each communicating with the water conduit and providing a water output at a pressure below the...
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WO/2012/043877 |
An inexpensive stainless steel and inexpensive, high-strength stainless steel that are highly resistant to hydrogen environment embrittlement even when used in a hydrogen environment comprising high-pressure hydrogen gas, at a pressure e...
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WO/2012/043924 |
The present invention relates to an internal smooth tube having a lock seam formed on the outer circumference of a steel pipe, comprising a lock seam (6), which is formed by forming a steel pipe by rolling into a spiral shape a bent ply ...
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WO/2012/040778 |
A solar collector for heating and transferring fluids, comprising an inlet manifold and an outlet manifold through which fluid is respectively transferred into and out of the solar collector; and 5 a plurality of polymer tubes each conne...
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WO/2012/034516 |
A bi-metal composite tube comprising of an inner tube (10) and an outer tube (20). The inner tube (10) is placed within the outer tube (20) and is made of corrosion-resistant material. The bi-metal composite tube also has a connector (30...
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WO/2012/034393 |
A winding overlap structure for belt material of a double-flat wall tube and a double-flat wall tube using the same are disclosed. The overlap structure includes a connection portion A that extends from one side wall of the belt material...
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WO/2012/034517 |
A dual-metal composite delivery pipe, comprising an inner pipe (10) and an outer pipe (20). A connecting portion (30) is disposed at one or two ends of the delivery pipe. The inner pipe (10) and the connecting portion (30) are made of th...
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WO/2012/031478 |
A belt material overlap structure for a double-flat wall tube and a double-flat wall tube using the same are disclosed. The overlap structure includes connection portions A and B both extending from one side wall of the belt material of ...
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WO/2012/028262 |
The invention relates to a multi-layer plastic pipe (1), preferably for use in house and building engineering, which comprises a first layer (2), which surrounds a tubular cavity (4) of the plastic pipe (1) and which contains cross-linke...
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WO/2012/028887 |
An assembly (10) has: a first pipe (20) being made from a composite material and having a first pipe end section (24) with a first pipe end section inner surface (28) that tapers inwardly, a first reinforcing element (30) having a first ...
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WO/2012/022338 |
The invention relates to a pipe system, in particular for transporting liquids and gases, comprising pipes made of plastic (1) for permanent loading of at least 0.5 bar, wherein the plastic (1) for producing the pipes partially or entire...
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WO/2012/023850 |
A pipe element (1) for constructing a double walled pipeline, wherein the pipe element (1) comprises an outer pipe element (3) and an inner pipe element (4) located inside the outer pipe element (3), the outer pipe element (3) has a subs...
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WO/2012/020171 |
The present invention relates to a renovation module for renewing pipelines. The module comprises a cylindrical tubular shell (1) having fastening means (3-6, 2, 9) at both ends thereof for attaching to a corresponding module. According ...
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WO/2012/012544 |
A jacket configured to encase building component insulation is provided. The jacket comprises at least inner layer, an intermediate layer attached to the inner layer, and an outer layer attached to the intermediate layer. The inner layer...
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WO/2012/009982 |
An inspection well for plastic steel wound pipe network comprises a well body (8), a bearing ring (10) and a well cover (11). The lower part of the well body (8) is transversely connected to the plastic steel winding pipe of the pipe net...
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WO/2012/006183 |
A container that provides for control of fluid flow in the event of a failure of the container is disclosed. In accordance with embodiments of the present invention, a container is presented that includes a container wall; and one or mor...
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WO/2012/003744 |
A tubular product with outer corrugated type plastic winding structural walls reinforced with internal-ribs and the manufacturing method thereof are disclosed. The tubular product comprises a tubular product body made of spirally winded ...
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WO/2012/003057 |
An apparatus for conveying fluids is provided which includes a plurality of segments, such as preferably ceramic segments, including a first segment and a last segment and an inner lining. Each of the plurality of segments may have a cen...
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WO/2012/001354 |
A pipe for drainage of fluid (1), in particular water. The pipe (1) comprises a plurality of hollow and open ended pipe sections (2), each section (2) comprising opposing open ends (3), each for engagement with an end (3) of another of t...
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WO/2012/003057 |
An apparatus for conveying fluids is provided which includes a plurality of segments, such as preferably ceramic segments, including a first segment and a last segment and an inner lining. Each of the plurality of segments may have a cen...
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WO/2011/160953 |
A polyolefin composition comprising (percent by weight): A) from 7% to 19%; of a copolymer of propylene and 1 -hexenewherein said copolymer contains less than 1 % of recurring units derived from hexene-1; B) from 81% to 93% of a heteroph...
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WO/2011/160946 |
A polyolefin composition for pipes comprising (percent by weight): A) from 1% to 9.5%; of a copolymer of propylene and hexene-1 wherein said copolymer comprises from 0.1 to 5 % of recurring units derived from hexene-1; B) from 80.5% to 9...
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WO/2011/161331 |
The invention relates to a bracing method that enables the manufacture of a reinforced tube, wherein the following operations are carried out: depositing a reinforcing layer (2) around the metal tube (1); then exerting a tensile force on...
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WO/2011/153862 |
A plastic-steel winding pipe joint comprises a short plastic pipe (3a), a metal reinforcing ring (3b1) standing around the outer wall of the short plastic pipe and a short metal reinforcing pipe (3c) arranged within or inside the wall of...
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WO/2011/155844 |
Method and device for manufacturing an object (1) by spinning at least one thread (5) or band with a hardenable matrix onto a core element (4), the thread (5) or band being carried by a spool (2) which rotates in relation to the core ele...
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WO/2011/152537 |
Disclosed is an oil feed pipe which is inexpensive and has excellent resistance to corrosion by salt. The oil feed pipe is characterized by comprising a steel pipe member and a fitting part, the steel pipe member being constituted of a f...
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WO/2011/151971 |
In the disclosed method for manufacturing a double-walled pipe with a gap, a steel or alloy inner pipe is inserted into a ferrite steel outer pipe and then the double-walled pipe is cold-worked such that the outside diameter thereof decr...
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WO/2011/147739 |
The present invention relates to the use of a polyamide modified by sulfonate functions which has improved barrier properties. The invention relates specifically to the use of a sulfonate, aliphatic or aromatic compound for manufacturing...
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WO/2011/149524 |
A hydrophobic molecular sieve having a pore size of about 5A can be blended into a silane grafted crosslinkable polyethylene to reduce the level of extractable methanol present in articles made with such polymeric compositions after cros...
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WO/2011/143108 |
The invention relates to the fastening or suspension of a system (1) comprising one or several elongated shaped channels (2) to be used as a liquid guiding hose (3a) or cable casing (3b). The channel (or channels) is provided with a rail...
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WO/2011/143567 |
A method for repairing and strengthening pipes by creating a structural reinforced composite liner within the existing pipe. The liner is created by helically winding a tensile reinforcement material on the inside wall of a pipe and enca...
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WO/2011/138085 |
The invention relates to a multilayer tube product comprising inner and outer plastic, or polymer, layers and an intermediate metallic layer characterized in that the intermediate metallic layer comprises an aluminium sheet having the co...
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WO/2011/136245 |
Disclosed is a fire-resistant piping material having excellent fireproof performance, has good physical properties, can be colored and exhibits excellent recyclability. The fire-resistant piping material is made using a flame-retardant r...
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WO/2011/131106 |
A thin wall steel-fiber concrete pipe is disclosed, which comprises a faucet, a socket, a steel-fiber concrete pipe core with a steel cylinder, prestressed steel wires and a protective layer. The faucet and the socket are fixedly and coa...
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WO/2011/128545 |
The invention relates to a line (1) for transporting a hydrocarbon, said line comprising a hollow inner tube (2) extending in a longitudinal direction (X) for transporting the fluid in the inner tube and having an electrically insulating...
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WO/2011/128544 |
The invention relates to a line (1) for transporting a hydrocarbon, said line comprising a hollow tube extending in a longitudinal direction (X) for transporting the fluid in the tube and having an electrically insulating outer surface (...
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WO/2011/128201 |
The invention relates to a flexible tube of multilayer construction and having unbonded layers, having an inner cladding comprising the following layers: a) at least one layer of a material made of a molding compound on the basis of a po...
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WO/2011/128197 |
The invention relates to a flexible pipe having a multi-layered structure comprising unbonded layers, comprising an inner lining containing the following layers: a) at least one layer, the material of which is selected from the group con...
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WO/2011/126213 |
The present invention relates to a pipe made of synthetic resin having a plurality of internal tubes, wherein silicone coating layers are formed on the respective inner circumferential surfaces of the plurality of internal tubes which ar...
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WO/2011/125736 |
Provided is a multilayered pipe having a layer formed from a resin composition comprising EVOH. The multilayered pipe has excellent gas barrier performance even with long-term use under high temperatures because there is unlikely to be c...
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WO/2011/126213 |
The present invention relates to a pipe made of synthetic resin having a plurality of internal tubes, wherein silicone coating layers are formed on the respective inner circumferential surfaces of the plurality of internal tubes which ar...
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WO/2011/124807 |
This pipe is characterized in that it is produced from a composite material (10, 11) consisting of glass fibre reinforcements and a thermosetting resin.
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WO/2011/121253 |
The invention relates to a facility suitable for coating the inside of a pipe element with a mortar. The facility includes a feeding device (32) which is suitable for feeding the dry matter of the mortar, the feeding device including a f...
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WO/2011/121252 |
This section of pipe comprises a basic body (10) made of metal, defining a basic body external surface (12) and a basic body internal surface (14), and an internal lining (16) applied to the basic body internal surface (14). The internal...
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WO/2011/121229 |
This plant is characterized in that it comprises a floating platform (1), on which there are installed continuous production means (2) in the vertical axis of the pipe, comprising: - a first stage (3) of winding webs of fibres impregnate...
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WO/2011/121217 |
Plant for manufacturing a pipe for drawing up deep water. This plant for manufacturing a rigid pipe for drawing up deep water for a marine thermal energy plant is characterized in that it comprises a floating platform on which there are ...
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WO/2011/121253 |
The invention relates to a facility suitable for coating the inside of a pipe element with a mortar. The facility includes a feeding device (32) which is suitable for feeding the dry matter of the mortar, the feeding device including a f...
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