Class / Patent application number | Description | Number of patent applications / Date published |
138172000 | REINFORCED | 37 |
20080295912 | BEND STIFFENER - A bend stiffener | 12-04-2008 |
20100084038 | Soft Crack Arrestors for Pipelines - An arrestor for arresting an axial ductile propagating fracture in a pipeline transporting a high-energy fluid is made from a material such that the arrestor deforms sufficiently when encountering a propagating fracture that the propagating fracture continues at least under the arrestor but the arrestor has enough strength that it ceases the crack propagation without ring-off of the pipeline. The material is filled with fiber characterized by having a stress-strain curve that passes thru the ranges between about 25 and 200 ksi in stress, and a deformation ranging from between about 5% strain and 35% strain, and having a diameter ranging between about 0.002 and 0.020 inches. | 04-08-2010 |
20110259463 | VISCOELASTIC DAMPED JUMPERS - A system, in certain embodiments, includes a multi-layer composite strip of pipe dampening materials, comprising a first layer of a first material, a second layer of a second material disposed adjacent to the first layer of material, and a third layer of a third material disposed adjacent to the second layer of material, wherein the second material comprises a viscoelastic material, and wherein the multi-layer composite strip of pipe dampening materials is configured to be affixed to an outer surface of a section of pipe. In certain embodiments, the first layer and the third layer may have stiffness values that are substantially different from each other. The difference in stiffness values may enable relative motion in the first layer and the third layer to be generated during vibration of the section of pipe, and the energy may be dissipated by the viscoelastic material, thereby dampening vibration of the section of pipe. In certain embodiments, multiple strips of pipe dampening materials may be used. | 10-27-2011 |
20110277868 | METHOD FOR REPAIRING AND STRENGTHENING PIPE WITH INTERNAL HELICALLY WOUND TENSILE REINFORCEMENT - 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 encapsulating it in a hardening matrix material. The reinforcement material is helically wound around the inside wall of the pipe by an installation device. The installation device is configured to relieve and/or prevent the development of torsional stress in the reinforcement material that is created by the act of helically winding it onto the inside wall of a pipe, allowing the reinforcement material to lay flat against the pipe wall without twisting or buckling. The structural reinforced composite can be configured to supplement the strength of the existing pipe or to function as a stand-alone pipe within the existing pipe. | 11-17-2011 |
20120118424 | REINFORCEMENT AND METHOD FOR TUBULAR STRUCTURES - A reinforcement and method for reinforcing a hollow tubular structure includes a first sheet of flexible fiber material impregnated with resin. The first sheet is rolled into a tubular shape and a seam is provided between first and second lateral edges of the first sheet to form a tubular reinforcement. An inflatable bladder extends through the tubular reinforcement and is inflated to press the tubular reinforcement into contact with the inside wall of the tubular structure. Curing of the resin will bond the first sheet to the inside wall to reinforce the tubular structure. The first sheet can have a region of built-up thickness to provide additional reinforcement. The seam between the lateral edges of the first sheet can be a separable seam that separates when the bladder is inflated to allow the first sheet to contact with a region of the tubular structure that is of larger circumference than the circumference of the tubular reinforcement. | 05-17-2012 |
20120241040 | UMBILICAL - An umbilical for use in the offshore production of hydrocarbons, and in particular to a power umbilical for use in deep water applications, is described comprising a plurality of longitudinal strength members, said strength members having one or more varying characteristics along the length of the umbilical. In this way, the longitudinal strength members in the umbilical can be provided to have for example a higher or greater tensile strength where required, usually nearer to the surface of the water or topside, whilst having lower or less tensile strength, and usually therefore lower or less weight, where higher or greater strength is not as critical. | 09-27-2012 |
20130074974 | DUCTWORK STIFFENER - The ductwork utilized in heating and air conditioning systems is provided with internal crossbars secured to the sides of the duct to prevent inward or outward flexing in response to a pressure differential that could otherwise cause collapse of the sides, either inward or outward, and failure of system. The crossbars are spaced along the run of the duct with the opposed ends of each crossbar received within and secured to corresponding sockets mounted internally on opposite walls of the duct. | 03-28-2013 |
20130112310 | PIPELINE REINFORCEMENT ASSEMBLY AND METHOD - An assembly and a method for reinforcing or repairing one or more segments of an existing pipeline, without taking the pipeline out of service and without the need for disassembling the existing pipeline segments that are to be repaired. The assembly incorporates a metallic reinforcement pipe, a front seal ring, a rear seal ring, a front seal ring retention assembly, a rear seal ring retention assembly, and a self-hardening medium receiver. The reinforcement pipe and the seal rings create an annular space between the respective ends of the reinforcement pipe and the external surface of the existing pipeline. The seal rings, seal ring retention assemblies, and the flexible reinforcement pipe, accommodate out-of-round and joint angular displacement conditions of the existing pipeline. A self-hardening medium is injected into the annular space and pressure is maintained on the medium until the medium has set. | 05-09-2013 |
20140034180 | SYSTEM FOR RELIEVING STRESS AT PIPE CONNECTIONS USING EXTERNAL SLEEVE - A pipe attachment assembly for attaching a pipe to another structure so stresses are reduced within the assembly includes a sleeve positioned outside the pipe which is composed of a material stronger than the pipe material, and an elastomeric bonding material which fills a gap between the pipe and the sleeve. The elastomeric bonding material transfers forces which are externally imposed on the pipe to the sleeve. This reduces bending, compression, tension, or torsion of the pipe in response to external forces, which in turn reduces the risk of a pipe failure at or near the termination or a breach where the pipe forms a joint with other pipes or containers. Various configurations may further improve the transfer of shearing stresses from the pipe to the sleeve, for example varying the width and/or the shear modulus of the elastomeric bonding material along the length of the pipe. | 02-06-2014 |
20140124082 | PIPELINE REINFORCEMENT ASSEMBLY AND METHOD - An assembly and a method for reinforcing or repairing one or more segments of an existing pipeline, without taking the pipeline out of service and without the need for disassembling the existing pipeline segments that are to be repaired. The assembly incorporates a metallic reinforcement pipe, a front seal ring, a rear seal ring, a front seal ring retention assembly, a rear seal ring retention assembly, and a self-hardening medium receiver. The reinforcement pipe and the seal rings create an annular space between the respective ends of the reinforcement pipe and the external surface of the existing pipeline. The seal rings, seal ring retention assemblies, and the flexible reinforcement pipe, accommodate out-of-round and joint angular displacement conditions of the existing pipeline. A self-hardening medium is injected into the annular space and pressure is maintained on the medium until the medium has set. | 05-08-2014 |
20140332111 | Reinforcing Assembly for Air Conditioning Ducts and Reinforced Air Conditioning Duct Incorporating Such Assembly - A reinforcing assembly for an air conditioning duct comprises a plurality of annular elements having outer circumferences configured to define an inner cross section of the conditioning duct, at least three interconnecting cords for linking the outer circumferences of the annular elements in a series, and fixing means for securing the positions of the annular elements relative to the interconnecting cords. | 11-13-2014 |
20140352834 | STIFFENER FOR FLEXIBLE HOSE - A hose stiffener consisting of multiple rods or strips to be oriented parallel to the axis of a hose connected to multiple partial rings to be oriented perpendicular to the hose, preferably molded or machined as a single piece, for use in water, salt water, chlorinated water, fluid, chemical and outdoor environments. The hose stiffener can be readily installed or retrofitted onto hoses by clipping the hose stiffener onto the hose to prevent tangling or knotting. The hose stiffener may be used to prevent tangling or knotting of existing swimming pool cleaner feeder hoses without restricting the movement of the swimming pool cleaner and does not have features that could injure people who might contact the hose stiffener while swimming in the pool. The hose stiffened may be used in other applications and other environments to prevent tangling or knotting of hoses. | 12-04-2014 |
20150059911 | METAL-CONTAINING POLYMERIC REINFORCED PIPE, METHOD FOR MANUFACTURING SAME AND PIPELINE PRODUCED USING SAID PIPE - The polymeric pipes reinforced with a metal casing are used for transporting oil and gas, acids, alkali products, drinking water and industrial water, and also in the transportation of aggressive and neutral pulps. A metal-containing polymeric reinforced pipe includes a welded metal casing and a polymeric matrix having an amorphous-phase-based molecular structure. The metal-containing polymeric reinforced pipe is produced by extrusion moulding with simultaneous feeding of a polymer melt and the reinforcing metal casing into the mould cavity, followed by intensive cooling of the internal and external surfaces of the pipe being moulded. The invention increases the quality and endurance limit in the radial direction of the metal-containing polymeric reinforced pipe, productivity of the process for manufacturing the pipe, and also the strength and technological effectiveness of a pipeline constructed from the pipes produced. | 03-05-2015 |
20150306703 | METHOD OF HARDBANDING A TUBULAR COMPONENT AND A TUBULAR COMPONENT HARDBANDED IN ACCORDANCE WITH THE METHOD - A method of hardbanding a tubular component. The method involves placing a helical band of hardbanding material forming spaced coils around an exterior wear surface of a body of the tubular component. The helical band has a helix angle of not less than 5 degrees relative to a longitudinal axis of the tubular component and the spacing between the coils is a minimum of 18 mm. | 10-29-2015 |
20160010769 | SPORT EQUIPMENT | 01-14-2016 |
20160131389 | Structurally Reinforced Duct - Reinforced duct section comprising side walls defining a duct interior. At least two of the side walls are parallel. A compression member extends between ribs provided on the inside surfaces of the two parallel side walls to prevent the parallel side walls from bowing inwardly. A tension member extends between two force distribution members provided on the outside surfaces of the parallel side walls to prevent the side walls from bowing outwardly. The compression member may comprise a truss provided between two ribs. The truss may be longer than the duct section. The ribs may connect first and second flanges provided on the ends of the two parallel side walls. | 05-12-2016 |
138173000 | Corrugated | 12 |
20120031521 | CORRUGATED METAL PIPE - A metal pipe of single piece includes a wall formed of a single corrugated metal sheet. The sheet has opposing first and second edges extending longitudinally along the sheet. The wall includes a seam formed by abutting portions of the first and second edges. The seam extends helically about and along a length of the wall. The wall has an interior wall side and an opposing exterior wall side. The metal sheet has an interior wall side and an opposing exterior wall side. The interior wall side defines an inner wall surface of the wall, and the exterior wall side defines an outer wall surface of the wall. The sheet has a sinusoidal cross-sectional profile defining 5 corrugation peaks at the inner wall surface and 5 corrugation peaks at the outer wall surface. The sheet has a flattened sheet width of approximately 27¼ inches and a finished sheet width of approximately 23 inches. | 02-09-2012 |
20120080115 | Cabling system corrugated centertube umbilical - An umbilical ( | 04-05-2012 |
20120090721 | Plastic Pipe with Bell - A multi-layer bell is formed from the outer shell of a multi-layer pipe in a secondary process, thereby allowing the extrusion process to be conducted at normal speeds. The bell may include a strain limiting membrane fused or mechanically secured between the outer shell extrusion layer and the inner liner extrusion layer, increased hoop or circumferential stiffness. This invention allows the extrusion process to be in its simplest form, with no adjustments to the corrugator or extruder speeds. | 04-19-2012 |
20120247604 | DIRECTIONAL FLUID LINE - Fluid line and method of making fluid line that includes an inner contour structured with wave peaks and wave troughs. Each wave peak has a front flank and a rear flank, and the front flanks are structured with an inclination angle, relative to a longitudinal axis, shallower than an inclination angle of the rear flanks. | 10-04-2012 |
20120298248 | TENDON DUCT, DUCT CONNECTOR AND DUCT TERMINATION THEREFOR - A duct for enclosing post tension reinforcing tendons includes a first closed circumference conduit having at least one minimum internal radius. The conduit includes at least one corrugation including two longitudinally spaced apart end members wherein a radial outer surface of each end member defining at least one external radius. A reduced diameter portion is disposed between the two end members. The reduced diameter portion defining at least one intermediate radius larger than the at least one minimum internal radius and smaller than the at least one external radius. | 11-29-2012 |
20130118631 | DEVICE FOR MANUFACTURING PROFILE CORRUGATED TUBE, METHOD FOR MANUFACTURING PROFILE CORRUGATED TUBE AND PROFILE CORRUGATED TUBE - A device for manufacturing a flat profile corrugated tube includes a supplying portion for pushing out and supplying a molten resin material in the form of a sheet, a pair of metal molds for molding a profile corrugated tube, a driving mechanism portion capable of changing postures of the pair of metal molds into receiving postures in which the metal mold surfaces are opened and can receive a sheet-formed molded body supplied from the supplying portion and molding postures in which the metal mold surfaces are closed, and changing the postures of the pair of metal molds into the molding postures after the sheet-formed molded body supplied from the supplying portion is received in the receiving postures, and an adhesion molding portion for causing the sheet-formed molded body supplied from the supplying portion to adhere to the metal mold surfaces of the pair of metal molds taking the receiving postures. | 05-16-2013 |
20130153078 | CORRUGATED METAL PIPE - A metal pipe of single piece construction including a wall formed of a single corrugated metal sheet. The sheet has opposing first and second edges extending longitudinally along the sheet. The wall includes a seam that is formed by abutting portions of the first and second edges. The seam extends helically about and along a length of the wall. The sheet has an interior wall side and an opposing exterior wall side. The interior wall side defines an interior wall surface of the wall. The exterior wall side defines an exterior wall surface of the wall. The sheet has a sinusoidal cross-sectional profile defining 3 corrugation peaks at the interior wall surface and 3 corrugation peaks at the exterior wall surface. The sheet has a flattened sheet width of approximately 27 inches and a finished sheet width of approximately 21 inches. The wall defines a pipe diameter of at least 96 inches. | 06-20-2013 |
20140014221 | CORRUGATED METAL PIPE - A metal pipe of single piece includes a wall formed of a single corrugated metal sheet. The sheet has opposing first and second edges extending longitudinally along the sheet. The wall includes a seam formed by abutting portions of the first and second edges. The seam extends helically about and along a length of the wall. The wall has an interior wall side and an opposing exterior wall side. The metal sheet has an interior wall side and an opposing exterior wall side. The interior wall side defines an inner wall surface of the wall, and the exterior wall side defines an outer wall surface of the wall. The sheet has a sinusoidal cross-sectional profile defining 5 corrugation peaks at the inner wall surface and 5 corrugation peaks at the outer wall surface. The sheet has a flattened sheet width of approximately 27 1/4 inches and a finished sheet width of approximately 23 inches. | 01-16-2014 |
20140116567 | PIPE WITH RIB AND METHOD FOR MANUFACTURING PIPE WITH RIB - A pipe with a rib includes a pipe portion, and a rib portion formed inside the pipe portion. The rib portion includes a plurality of bent portions in accordance with bending of the pipe portion. | 05-01-2014 |
20140137977 | APPARATUS AND METHOD FOR MAKING A CORRUGATED PRODUCT - The invention describes a device and method for making corrugated products. The device can be used with any substrate and includes, at least, first and second drive rollers for driving a middle substrate and a single wall corrugated product. In other embodiments the invention includes upper drive rollers, lower drive rollers and middle drive rollers for driving an upper substrate, a lower substrate and a middle substrate. The middle substrate is driven between the upper and lower substrates at a higher velocity to form flutes that are anchored between the upper an lower substrates thereby forming a corrugated product. The invention also provides for customized corrugated products having multiple fluted substrates in various desirable arrangements. Examples of such products include mattresses, partition panels, other furniture, construction products such as tubes or pipes previously made from metals or concrete. | 05-22-2014 |
20140182736 | CORRUGATED METAL PIPE - A metal pipe of single piece construction including a wall formed of a single corrugated metal sheet. The sheet has opposing first and second edges extending longitudinally along the sheet. The wall includes a seam that is formed by abutting portions of the first and second edges. The seam extends helically about and along a length of the wall. The sheet has a cross-sectional profile defining 3 corrugation peaks at an exterior wall surface and 3 flat segments, wherein each corrugation peak is separated from an adjacent corrugation peak by a respective one of the 3 flat segments. The sheet has a flattened sheet width of approximately 27 inches and a finished sheet width of approximately 24 inches. The wall defines a pipe diameter of at least 96 inches. | 07-03-2014 |
20140305535 | Reinforced Liners for Pipelines - A reinforced pipeline liner designed to facilitate installation and systems and methods for producing and installing a reinforced pipeline liner. A reinforced pipeline liner can comprise a body portion having a layer of matrix material, the layer having an inner surface and an outer surface, and a plurality of interspersed reinforcement structures embedded within the body portion. The reinforcement structures are positioned between the inner surface and outer surface of the layer and circumferentially offset from the other reinforcement structures. Additionally, the body portion may have multiple thicknesses. | 10-16-2014 |
138174000 | With embedded element | 9 |
20100206421 | FIBER-REINFORCED RESIN PIPE - There is provided an extremely practical fiber-reinforced resin pipe that is lightweight and easy to handle; does not require a weld joint to provide an introduction/outlet part, closure lid, or other component; has excellent corrosion resistance; and is substantially less expensive than a super stainless steel pipe. In a fiber-reinforced resin pipe for introducing and discharging a liquid, a pipe (1) is provided with a plurality of introduction/discharge parts (2) for introducing or discharging liquid that are arranged at intervals in the axial direction from a peripheral surface of the pipe. | 08-19-2010 |
20130146172 | HOOP WINDING METHOD FOR REINFORCING THE AXIAL STRENGTH AND THE INTERNAL PRESSURE STRENGTH OF A TUBE - The hoop winding method allows to manufacture a reinforced tube by carrying out the following operations:
| 06-13-2013 |
20130206273 | Fiber Reinforced Polymer Matrix Nanocomposite Downhole Member - A downhole composite component is disclosed. The downhole composite component includes a tubular member, the tubular member comprising a fiber reinforced polymer matrix composite. The fiber reinforced polymer matrix composite includes a polymer matrix, the polymer matrix having an unfilled matrix compressive modulus of elasticity. The polymer matrix also includes a nanoparticle filler comprising a plurality of nanoparticles dispersed within the polymer matrix, the polymer matrix and dispersed nanoparticle filler having a filled matrix compressive modulus of elasticity, the filled matrix compressive modulus of elasticity being greater than the unfilled matrix compressive modulus of elasticity. The fiber reinforced polymer matrix composite also includes a plurality of reinforcing fibers, the plurality of reinforcing fibers embedded within the polymer matrix, the polymer matrix and plurality of reinforcing fibers having the form of the tubular member, the tubular member configured to receive a compressive stress. | 08-15-2013 |
20130220474 | INSERT FOR PIPE ASSEMBLY AND METHOD FOR FORMING PIPE ASSEMBLY - An insert, a pipe assembly, and a method for forming a pipe assembly are disclosed. The pipe assembly includes a hollow body and an insert bonded to the hollow body. The insert spans a knit line defined in the hollow body. The insert is formed from a fiber reinforced polymer material. The fibers are generally anisotropic, and preferably unidirectional, and the insert is oriented such that the fibers extend at an angle to the knit line and thus span the knit line. Preferably, the fibers extend perpendicularly to the knit line. The use of an insert having such an orientation reinforces the hollow body, particularly at the knit line. Thus, the use of such an insert bonded to a hollow body according to the present disclosure produces a pipe assembly having increased pressure ratings. | 08-29-2013 |
20130263964 | Composite Pipe - A pipe comprises a pipe wall formed of a composite material of a matrix and a plurality of reinforcing fibres embedded within the matrix. At least one longitudinal portion of the pipe wall comprises or defines a local variation in construction to provide a variation in a property of the pipe. | 10-10-2013 |
20130263965 | Composite Pipe - A pipe comprises a pipe wall formed of a composite material of at a matrix and a plurality of reinforcing fibres embedded within the matrix, wherein at least one circumferential segment of the pipe wall comprises or defines a local variation in construction to provide a local variation in a property of the pipe. | 10-10-2013 |
20140290785 | VENTILATION DUCT - A duct includes a number of wall sections which are at least partly produced from fibre material and a binder agent. Together, the wall sections define a closed, elongate flow space. The wall sections which meet one another are united by the intermediary of at least one longitudinal fold or joint line. In the fibre material and the binder agent of the duct, there are disposed longitudinal rigidifying elements. On the outside of the duct, there are longitudinal bead-liked projections which include the fibre material and the binder agent. | 10-02-2014 |
20140326358 | FLAT WIRE AND METHOD OF MANUFACTURING SAME - A flat wire is composed of a multiplicity of carbon fibers impregnated with a thermosetting resin. The flat wire, the cross section of which is rectangular, has an inner surface facing inward at all times, an outer surface facing outward at all times, and has been shaped into helical form of constant diameter in the longitudinal direction. Carbon fibers constituting the flat wire are of gradually increasing length from the inner surface toward the outer surface of the wire. | 11-06-2014 |
138175000 | Clay, concrete or masonry | 1 |
20110108151 | VIBRATION-RESISTANT REINFORCED CONCRETE WATERTIGHT PIPE AND METHOD OF MANUFACTURING THE SAME - A vibration-resistant reinforced concrete watertight pipe, at opposite ends of which coupling units formed of a separate material are formed, and a method of manufacturing the same are provided. The vibration-resistant reinforced concrete watertight pipe includes a reinforced concrete pipe having a reinforcement mat, which is assembled with longitudinal reinforcements and transverse reinforcements, disposed in a concrete layer, and a convexity coupling part and a concavity coupling part that are coupled to opposite ends of the reinforced concrete pipe and have coupling ridges and coupling furrows respectively. Here, the coupling part and the concavity coupling part are formed of a synthetic resin, which is different in physical properties from the reinforced concrete pipe, and have the same shape and thickness as the reinforced concrete pipe. Each of the convexity coupling part and the concavity coupling part has a metal core installed therein to increase a coupling strength. | 05-12-2011 |