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WO/2001/002767A1 |
The invention concerns a device for limiting propagation of deformation in a double-walled tube. The invention is characterised in that it consists of an element rotating and deformable in a transverse direction relative to said longitud...
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WO/2001/001029A1 |
The present invention relates to a medium-carrying hose, preferably for pressure medium and for use in, for instance, an engine unit, the wall of the hose comprising at least one wall portion (5). The wall portion (5) is connected with a...
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WO/2001/001535A1 |
The multiple channel duct assembly for cables comprises of a plurality of plastic inner ducts (10) contiguous, co-directionally extending, substantially parallel, in abutting contact with each other, each of said inner ducts (10) having ...
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WO/2000/079017A1 |
The invention relates to the use of a ferrite-austenitic alloy with a composition defined to C rated to 0.05 %, Si rated to 0.8 %, Mn 0.30-1.5 %, Cr 28.0-30.0 %, Ni 5.80-7.40 %, Mo 2.00-2.50 %, N 0.30-0.40 %, Cu rated to 1.0 %, W rated t...
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WO/2000/069968A1 |
A semiconductive polyvinylidene fluoride resin composition comprising 100 parts by weight of a polyvinylidene fluoride resin, 0.03 to 10 parts by weight of at least one quaternary ammonium salt selected from the group consisting of tetra...
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WO2000009317A9 |
An elongated composite tube with an inner tube (42) in Fig. 3 and an outer tube (44) with a plurality of elongated ribs (46) between the inner and outer tubes which maintain the tubes in a fixed radial and axial relationship to each othe...
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WO/2000/062991A1 |
In a spiral pipe adhesion method, when a spiral pipe used as a drainpipe or water conduit is bonded, adhesive resin having an I beam shape is improved to an H beam so that rigidity coefficient or annular rigidity coefficient is improved....
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WO/2000/062992A1 |
A spiral pipe using waste plastic, used as a drainpipe or water conduit, is formed by using materials such as waste plastic or waste film to fill the inside of a rectangular profile, supplying resin and adhesive resin through auxiliary e...
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WO/2000/061977A1 |
A manufacture method and manufacture device of stainless-plastic composite pipe, said method includes extrusion, fixing diameter, cooling, stoving, coating adhesive of plastic pipe, and opening rool, abutting joint, shaping, wrapping up ...
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WO/2000/061979A1 |
A method of housing various utility services within a single unitary structure (10) includes the steps of disposing such services within an integral longitudinal conduit (34) having sub-conduits (38, 40, 42, and 44), each corresponding t...
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WO/2000/061978A1 |
The invention concerns a method for preparing an end of a thermoplastics tube (1) manufactured by spirally winding and welding together of a hollow profile (1a) having a substantially rectangular cross section, and is characterized by th...
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WO/2000/060001A1 |
Provided is a high density multimodal polyethylene, having a shear ratio (SR) of 18 or more and comprising at least 20 % by weight of a high molecular weight fraction, which high molecular weight fraction has: (a) a density ($g(r)) of 0....
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WO/2000/056536A1 |
The invention relates to a fuel line having a sealing layer in order to prevent fuel to permeate and having a support layer which surrounds the sealing layer. The aim of the invention is to improve a fuel line of the aforementioned type ...
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WO/2000/049191A1 |
A heat resistant austenitic stainless steel with high strength at elevated temperatures, good steam oxidation resistance, good fire side corrosion resistance, and a sufficient structural stability, suitable for use in boilers operating a...
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WO/2000/047790A1 |
The invention relates to a tube and to the use thereof. The aim of the invention is to provide a more economical manner of producing tubes of the kind used, for example, in vehicle manufacture for building vehicle frameworks. To this end...
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WO/2000/043185A2 |
The invention relates to a method of producing centrifugally cast, glass fiber reinforced plastic tubes. According to said method, a liquid curable resin which contains a filler is introduced into a rotating die together with glass fiber...
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WO/2000/036323A1 |
A lap joint includes an outer, flexible, cylindrical tube (64); an inner, solid, cylindrical pipe (102); and a securing device (153) for compressing the flexible tube around the pipe for securing the flexible tube to the pipe and for pro...
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WO/2000/035660A1 |
The invention relates to a spirally wound pipe and to a method and arrangement for producing it. The method according to the invention is characterized by the following steps: a flexible, elongate profile (2) is fed through an extrusion ...
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WO/2000/036325A1 |
Arrangement for joining double-walled plastics pipes (9), manufactured with a smooth inner pipe (12) and a corrugated outer pipe (13) integrated with the inner pipe. To one end of the outer pipe is fastened a solid wall socket sleeve (1)...
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WO/2000/034705A1 |
A service riser (10) comprises a steel jacket (11) around a polyethylene pipe (12) which terminates in the riser at a transition zone (20). The transition zone (20) comprises a retainer sleeve (30) inserted in the end of the pipe (12) an...
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WO/2000/032974A1 |
In a water transmission tube made of a thermoplastic and having a wall comprising at least two layers, the outer layer consists of a polyolefin material and the inner layer consists of a thermoplastic which is admixed only with substance...
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WO/2000/031457A1 |
A plastic pipe has a multiple layer wall (1) construction including major (7) and minor (13) wall portions. The major wall portions (7) are formed with first corrugations (8) and are separated from one another by the minor wall portions ...
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WO/2000/029162A2 |
A steel strip laminate pipe having increased lap shear strength and peel off strength between the steel layers (44, 48, 52) in the pipe and a method for making such a steel strip pipe are provided. Steel strips (44, 48, 52) coated with a...
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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...
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WO/2000/024821A1 |
Bi-modal polyethylene blends made from a high-molecular ethylene copolymer and a low-molecular ethylene homopolymer or copolymer with an MFR 190/21.6 of4 g/10 min, a density of 0.94.97 g/cm?3¿, an ESCR > 150h and a blend mixture quality...
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WO/2000/024566A1 |
The invention concerns a hollow solid (1) generated by rotation whereof the wall comprises a first inner zone (a) made, at least on its outer periphery, of a single thermoplastic material A, and a second zone comprising a first part (b) ...
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WO/2000/025056A1 |
A cast formed part (1), especially a part of a tube for the drainage of buildings, comprising a marked area (7) arranged on the outer side of a wall area, characterized in that a cast bead (9) extending longitudinally in a raised positio...
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WO/2000/022341A1 |
The invention relates to a suppport system for superinsulation in an annular gap between flexible corrugated pipes. The objective of the invention is to provide a highly heat-resistant support system for flexible conduits. This is achiev...
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WO/2000/022330A1 |
The invention concerns an assembly for constructing an underwater system for transporting fluid, energy or signals, comprising at least two installation conduits (1) connected by a connecting device (11), and a traction device (21) for p...
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WO/2000/022331A1 |
The invention concerns a device (21) for pulling an underwater installation conduit (1) characterised in that it comprises a core with a threaded tapering surface (22a) designed to be screwed into the conduit (1) tip and a tractive shank...
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WO/2000/022334A1 |
A composite high-pressure pipe which comprises a tubular inner layer of synthetic resin, a reinforcing layer in the form of a stretched polyolefin type resin sheet wound around the outer peripheral surface of the inner layer, and an oute...
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WO/2000/022338A1 |
The invention concerns a connection device (11) for sealingly assembling two elements (1a, 1b) of an underwater installation conduit (1), comprising concentrically an inner sheath (2) and an outer sheath (10). The invention is characteri...
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WO/2000/022332A1 |
The invention concerns a device (16) for blocking an installation conduit (1) on the floor under water (17) comprising a weighty base (18) and means for fixing the installation conduit (1) on the weighty base (18). The invention is chara...
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WO/2000/022335A1 |
The invention concerns an installation conduit (1) for underwater transport of fluid, energy or signals, consisting of at least an inner sheath (2), sealing means extending around and along the inner sheath (2). The invention is characte...
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WO/2000/020807A2 |
The invention relates to a multichannel flat tube for a heat exchanger comprising a plurality of parallel flow channels (2) which are adjacent to one another in a transversal direction with regard to the tube. According to the invention,...
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WO/2000/017563A1 |
A soundproof cover provided with a soundproof layer and applied to pipes of a plumbing system and an air-conditioner for buildings, characterized by comprising a sound absorption film provided on an inner surface of the soundproof layer ...
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WO/2000/017567A1 |
An elbow for conveying particulate material comprising a plurality of tubular shaped sections jointed at a junction to form a flow passage having a bend for changing the direction of material being transported wherein the sections consis...
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WO/2000/008368A1 |
A vent assembly for venting of plastics lined pipelines is inserted through the wall of a steel pipeline (2). The vent assembly (1) has a main body (3) having a small through-hole (4). A porous element (5) fits in a recess (6) in the mai...
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WO/2000/007810A1 |
The invention concerns a composite thermoplastic-elastomer product, in particular a pipe for transporting refrigerating fluid for a motor vehicle air-conditioning circuit, comprising an inner layer (10) formed by a plastic alloy comprisi...
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WO/2000/006852A1 |
The invention concerns a cable duct characterised in that it comprises a multilayer structure including: a continuous inner layer consisting of a band iron (10), said band iron comprising at least a longitudinal rib (11) helically arrang...
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WO/2000/004319A1 |
A pipe cage (18) for protecting persons from a hot process pipe (12). The pipe cage includes first and second clips (20, 22) separated by a predetermined distance and engaging the hot process pipe (12) and first and second sets of spacer...
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WO/2000/004315A1 |
The invention relates to a plastic composite pipe with a wire-mesh as its skeleton, the method and device of making the same. The said method includes the following steps: winding two groups of wire respectively at left and right spiral ...
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WO/2000/001765A1 |
A multimodal polymer composition for pipes is disclosed. The polymer is a multimodal polyethylene with a density of 0.930-0.965 g/cm?3¿, an MFR¿5? of 0.2-1.2 g/10 min, and M¿n? of 8000-15000, an M¿w? of 180-330 x 10?3¿, and an M¿w?...
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WO/1999/067560A1 |
The invention relates to a flexible, unbonded continuous high-pressure pipe comprised of several layers comprising at least one inner barrier layer, at least one tubular, liquid-permeable reinforcement layer surrounding the barrier layer...
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WO/1999/064097A1 |
A catheter is disclosed which has resistance to collapsing when bent. The catheter comprises a first, thermo-flowed tube having a helical coil at least partially enveloped in the material of the tube. A second tube surrounds the fist tub...
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WO/1999/062654A1 |
The invention concerns a corrugated tube (1) characterised in that it provides an outer surface (3) comprised of a material withstanding to an acid environment and an inner surface (2) comprised of a material withstanding to the water. T...
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WO/1999/062704A1 |
Composite laminated fiber reinforced plastic pipe having improved resistance to micro-cracking and delamination is disclosed. The pipe is composed of a plurality of laminated layers forming the pipe wall structure, including an outer axi...
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WO/1999/061833A1 |
A multilayer composite pipe structure is described. The multilayer composite pipe comprises a hollow inner conduit, a first layer of adhesive, a metallic intermediate layer, a second layer of adhesive, as well as, the outer thermoplastic...
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WO/1999/057193A1 |
A master batch for the production of cross-linked polymer pipes is described. The master batch comprises carbon black and a polymer carrier consisting of a Ziegler-Natta catalysed polyethylene with a density of at least 0.940 g/cm?3¿. A...
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WO/1999/057471A2 |
Abrasion resistant pipes comprise a wall formed from a filament wound fiberglass reinforced material and an elastomeric abrasion resistant material on the inside and/or outside surface of the pipe. The pipes are made using filament windi...
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