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Matches 1 - 50 out of 14,775

Document Document Title
WO/2019/050258A1
Disclosed herein is a double tube for heat exchange. The double tube for heat exchange includes: a spiral pipe having ridges and valleys alternately formed on a circumferential surface thereof along a spiral track thereof and guiding a f...  
WO/2019/040885A1
The present disclosure provides insulated components that include corrugated regions, which corrugated regions may reside on inner tubes, outer tubes, or both. The present disclosure also provides insulated components that may achieve st...  
WO/2019/036838A1
An improved oil and gas delivery pipe, the oil and gas delivery pipe having a pipeline (101), comprising an inner layer (10), an adhesion layer (20) and a silica gel layer (30); the inner layer (10) being ACM material or AEM material, an...  
WO/2019/035675A2
A dual pipe according to the present invention comprises: an outer pipe having grooves and ridges formed in the outer circumferential surface thereof; and an inner pipe having grooves and ridges formed in the inner circumferential surfac...  
WO/2019/013345A1
This double pipe (50) has an inner pipe (20) provided inside an outer pipe (30) with a flow path gap (29) therebetween, and a fin material (11) is provided inside the inner pipe (20). The outer pipe (30) has an outer crimp (32) protrudin...  
WO/2019/008397A1
There is presented a cable management apparatus for deployment within a pipe, where the pipe houses at least a portion of an umbilical cable. The cable management apparatus comprises a first engagement portion for engaging with an interi...  
WO/2019/007935A1
A polyethylene pipe comprising components A) and B), wherein component A) is a hindered amine light stabilizer containing a triazine residue, component B) is a natural or synthetic hydrotalcite and the weight ratio of component A) to com...  
WO/2019/006959A1
A laminated inorganic pipeline for fluid transport, comprising a first diameter pipeline (7) and a second diameter pipeline (8) with different diameters. The second diameter pipeline (8) is sleeved on the periphery of the first diameter ...  
WO/2019/002024A1
Composite armour (1) for a flexible pipe. The armour (1) comprises a composite profile section (2) and a reinforcing strip (5). The composite profile section (2) is formed from reinforcing fibres (4) oriented longitudinally and embedded ...  
WO/2019/004259A1
Provided is an ethylene-vinyl alcohol copolymer composition having excellent resistance to deterioration, and containing (A) an ethylene-vinyl alcohol resin, (B) an antioxidant, and (C) an iron compound, wherein the content of (C) the ir...  
WO/2019/004546A1
According to an embodiment of the present invention, a gas heat pump system comprises: an outdoor unit including a compressor, an outdoor heat exchanger, and an expansion device; an indoor unit including an indoor heat exchanger; a refri...  
WO/2018/234976A1
The present invention includes an inner anticorrosive and abrasive resistant coating for steel pipes (1) used for the transport of fluids. The coating includes: a layer of epoxy resin (2) having free hydroxyl groups, which are applied di...  
WO/2018/237036A1
Hemofilters for in vivo filtration of blood are disclosed. The hemofilters disclosed herein provide an optimal flow of blood through the filtration channels while maintaining a pressure gradient across the filtration channel walls to enh...  
WO/2018/229262A1
The present disclosure relates to a tube structure comprising an inner tube of metal and an outer tube of metal, wherein the inner tube extends in the outer tube, and wherein either the inner tube and the outer tube are mechanically tigh...  
WO/2018/230972A1
A composite pipe according to the present invention has a stainless steel pipe with excellent corrosion resistance provided inside an inexpensive steel pipe with excellent strength having the exterior surface thereof treated to be anti-c...  
WO/2018/227284A1
There is described a pipe apparatus having two circular coaxial layers, inner and outer, defining an annular gap therebetween. At least one segmentation ring with a predesigned opening is placed within the annular gap. The pipe system is...  
WO/2018/227649A1
A carbon fiber heat exchanger and a process. The heat exchanger comprises a jacket (4), carbon fiber heat exchange tubes (2), baffles (3), an upper tube plate (7), and a lower tube plate (8); a plurality of carbon fiber heat exchange tub...  
WO/2018/227131A1
There is provided a plastic cylindrical pipe including a nonconductive wall, wherein the wall includes a filler that is either electrically conductive or magnetic.  
WO/2018/223568A1
A composite tube having a fixing function and facilitating welding. The tube comprises an inner tube (1). An outer side face of the inner tube (1) is provided with an outer tube (2); the length of the inner tube (1) is less than the leng...  
WO/2018/221524A1
Provided is a thermal-insulated multiple pipe for superconducting power transmission, having high thermal insulation properties and having no damage to spacers even when laid using the reel-lay method. A thermal-insulated multiple pipe f...  
WO/2018/220536A1
The present invention relates to a linear actuator comprised of a tube and method of deploying 3 spools of strips into a tube by consolidating the strips in an overlapping condition with each other each in a helical form of a constant di...  
WO/2018/219762A1
An adhesive polymer composition comprising a non-elastomeric copolymer of ethylene and one or more comonomers having 3 to 10 carbon atoms, and an elastomer is disclosed herein. The non-elastomeric copolymer is present in an amount of 60 ...  
WO/2018/221522A1
Provided is a thermal-insulated multiple pipe for superconducting power transmission having excellent thermal insulation properties and highly suppressing heat incursion from outside caused by radiation, even when not using super insulat...  
WO/2018/221523A1
Provided is a thermal-insulated multiple pipe for superconducting power transmission having excellent thermal insulation properties, having highly suppressed heat incursion from outside caused by radiation, even when not using super insu...  
WO/2018/217119A1
The invention relates to the oil and gas industry and can be used for collecting and transporting oil, water, gas and chemical reagents by means of pipelines on the basis of long and flexible polymeric reinforced pipes. The technical res...  
WO/2018/216638A1
A bent steel pipe 1 according to the present invention is provided with a straight pipe part 2 and a bent part 3 having a bending radius r that is three times the outer diameter OD of the straight pipe part 2 or more; and this bent steel...  
WO/2018/215259A1
A composite tube (1) having a first extruded tube portion (5) which extends in a longitudinal direction (L) of the composite tube (1) and is made of a first plastics material (6), and a second extruded tube portion (7) which extends in t...  
WO/2018/209846A1
A coated hose applicable to tap water and high-pressure gas conveying work conditions, comprising a hose body (1); and a fiber coating layer (2) made of high-strength high-modulus polyethylene fiber, carbon fiber, aramid fiber, or PEEK f...  
WO/2018/208246A1
The invention comprises a piping system (S) for use in cryogenic tanks (1) providing storage and/or transfer of cryogenic products, comprising multiple gas transfer pipes (4) aimed at carrying gas phase products, a central pipe (7) surro...  
WO/2018/208940A1
A pipe lining apparatus having a UV-curable, resin-impregnated reinforcement filament that is helically wound onto the inner surface of a tubular first lining layer disposed within a pipe by an inverted filament winding apparatus, the ap...  
WO/2018/209064A1
A pipe lining apparatus having a resin-impregnated reinforcement filament that is helically wound onto the inner surface of a tubular first lining layer disposed within a pipe by an inverted filament winding apparatus, the apparatus havi...  
WO/2018/202912A1
The invention relates to the use of a buried pipe (12) for receiving fluids or power lines made of a material having an electrical conductivity of less than 10 Sm/mm² and a thermal conductivity of greater than 1.2 W/(m K), wherein the p...  
WO/2018/197030A1
The invention describes a method of laying empty pipes (P) on the seabed, which method comprises arranging a plurality of empty pipes (P) in a bundle (B, B3, B6, B9); arranging a bundle-strengthening element (E, CC) in a cavity (C) defin...  
WO/2018/196622A1
A high-performance, corrosion-resistant and economical composite steel coiled tubing and a manufacturing method therefor, the composite steel coiled tubing comprising: a metallurgically bonded base layer (1) and composite layer (2); the ...  
WO/2018/192736A1
The invention relates to a line assembly (10) for a liquid or gaseous medium, comprising at least one first line (12), which is designed as a UREA line, and comprising a second line (14) for a liquid or gaseous medium, the first line (12...  
WO/2018/177215A1
An intelligent module pipeline, an intelligent module helical pipeline winding machine and a winding method therefor. In the cross section of the pipeline, a plurality of intelligent modules (1) are vertically clamped and helically wound...  
WO/2018/172751A1
The present invention relates to a fitting (1') for attaching low carbon steel pipes (3') with polyolefin liners (3') together. A compression ring (6') is inserted into the pipe such that the bore of the commissioned pipeline remains con...  
WO/2018/171811A1
A sectional-type high abrasion resistant double-layered straight pipe and a method for preparing same. The double-layered straight pipe comprises a protective outer pipe (1) and a sectional-type abrasion resistant inner pipe (3). The pro...  
WO/2018/171007A1
Disclosed is an austenitic acid-resistant stainless steel pipe, comprising a steel pipe body (1), wherein a number of antiskid strips (2) are provided on the outer surface of the steel pipe body, a number of inner clamping grooves (3) ar...  
WO/2018/172141A1
The invention relates to a method for producing a part from a thermoplastic material by means of injection moulding, comprising at least two tubes that extend parallel to each other and are integrally formed on a connection part that con...  
WO/2018/166771A1
The invention relates to a process for producing a biaxially oriented pipe, comprising the steps of: a) forming a polyethylene composition into a tube, wherein the polyethylene composition comprises a bimodal or a multimodal high-density...  
WO/2018/165658A1
A utility conduit and related methods of assembling lengths of utility conduit with a mechanical spline connector. The utility conduit includes opposed male and female ends, wherein the male end is slidably insertable into the female end...  
WO/2018/158162A1
A tube structure (1) comprising an inner tube (3) of metal and an outer tube (2) of metal, wherein the inner tube (3) extends in the outer tube (2), wherein a spacer tube (4) is located between the inner tube (3) and the outer tube (2), ...  
WO/2018/155971A1
The present invention relates to a metal corrugated pipe having a flare joint part, and a processing apparatus and a production method therefor, wherein the metal corrugated pipe having a flare joint part can significantly improve a func...  
WO/2018/153917A1
The invention relates to a polyolefin composition comprising A. at least a homopolymer or copolymer of ethylene or propylene and B. cholestanyl ferulate. The composition can be used in the production of articles such as a pipe, cap and c...  
WO/2018/149188A1
Provided are a cast iron pipe lined with a plastic pipe liner and a manufacturing method thereof. The cast iron pipe lined with a plastic pipe liner comprises a cast iron pipe and a plastic composite tubing. The plastic composite tubing ...  
WO/2018/145209A1
Provided is a polymeric pipe, comprising: an inner polymeric layer that has a thickness and that comprises a first anti-oxidant; an outer polymeric layer that has a thickness and that comprises a UV-protectant; and a barrier layer that h...  
WO/2018/138056A1
The invention relates to a process for producing a biaxially oriented pipe by a) forming a polyethylene composition into a tube, wherein the polyethylene composition comprises high density polyethylene (HDPE) and a second polyethylene se...  
WO/2018/140935A1
A tubular member (100) includes a tube body (109), a tube end (112,113), an exterior surface (140), an interior surface (142), a nominal wall thickness, a longitudinal axis (111), a welded seam (110), and a patch of material (205). The w...  
WO/2018/140935A4
A tubular member (100) includes a tube body (109), a tube end (112,113), an exterior surface (140), an interior surface (142), a nominal wall thickness, a longitudinal axis (111), a welded seam (110), and a patch of material (205). The w...  

Matches 1 - 50 out of 14,775