1116results about "Flexible pipes" patented technology

The invention discloses a main pipe assembly based on double-layer synchronous weaving and a manufacturing method, a construction method and a system of the main pipe assembly, and belongs to the technical field of pipeline trenchless repair. The main pipe assembly comprises a sealing rubber pipe and an outer-layer belt blank, and the sealing rubber pipe is composed of a fiber inner-layer belt blank which is woven in a twill mode and provided with groove-shaped textures on the inner surface and a sealing layer bonded through an extrusion technology. The outer-layer belt blank is arranged on the outer side of the sealing rubber pipe in a sleeving mode and can be separated, and a cavity for containing resin is formed. The manufacturing method comprises the following steps: synchronously weaving an inner-layer strip billet and an outer-layer strip billet through a double-layer strip billet circular weaving machine, performing dynamic tension control, extruding a sealing layer on the inner surface of the inner-layer strip billet, performing composite cooling and rolling to manufacture the dry pipe assembly, and defining weaving parameters, extrusion conditions and cooling requirements. When the pipeline is repaired, the dry pipe assembly is firmly bonded with the inner wall of the pipeline through unwinding, glue injection, glue pressing, dragging into the to-be-repaired pipeline, pressurized attachment and curing. The method improves the bonding stability and construction efficiency of the sealing layer, and is suitable for the field of pipeline repair.

The invention relates to the technical field of drainage pipeline detection, and discloses an endoscopic detection device for a drainage pipeline, which comprises a detection assembly and a detection assembly, the detection assembly comprises a walking vehicle, the walking vehicle is provided with a detection head, and the tail part of the walking vehicle is connected with a wire; the positioning assembly is arranged on the wire and comprises a positioning piece, the positioning piece comprises a guide wheel located on the outer side of the wire, a fixing column is fixed in the guide wheel, a connecting plate is rotationally connected to the outer side of the fixing column, a connecting rod is fixed to the top of the connecting plate, and a winding wheel is arranged on the top of the connecting rod. The beneficial effects of the invention are that through the arrangement of the positioning assembly, the cable can be kept in a stable bending state and does not rub with the inner wall of the pipeline, thereby avoiding signal interruption or equipment short circuit caused by wear of an outer sheath of the cable, conductor fracture and cracking of an insulating layer, eliminating the influence of frictional resistance on the connection point of the detection head and the walking mechanism, and improving the detection precision. Detection interruption caused by disconnection of the two is avoided, and the detection process is continuous and stable.

The invention relates to a damping element (200) for use in semiconductor technology equipment and to a semiconductor technology equipment comprising a corresponding damping element (200). The damping element (200) comprises an outer shell (210) made of gas-tight material forming the outside of the damping element (200) and an inner hose (220) made of flexible material forming the flow channel for a liquid, wherein the outer shell (210) and hose (220) are connected to each other at the two ends of the damping element (200) in such a way that a continuous gas volume (240) is formed between the outer shell (210) and hose (220), wherein at least one reservoir volume (250) connected to the gas volume (240) is provided for accumulating liquid. The system for semiconductor technology comprises a temperature control system (100) with at least one fluid line (101), wherein a damping element (200) according to the invention is arranged in at least one fluid line (101).

The utility model discloses a rubber dredging pipe with high stability, which comprises a pipe part main body, and the pipe part main body is provided with a rubber lining layer, a woven carbon fiber layer and a coated outer rubber layer; the multiple sections of reinforcing rings are arranged on the outer circle of the pipe part main body, each reinforcing ring is provided with a protruding pile head part, each pile head part is provided with an inner cavity leading to the wall face of the pipe part main body, and the inner cavities are used for installing optical fiber sensors and monitoring stress, temperature and deformation parameters of the pipe part main body; and the radian fins are arranged on the surface of the pipe part main body and are spaced from the reinforcing ring. The pipe part main body of the dredging pipe is formed by the rubber lining layer, the carbon fiber layer and the outer rubber layer, so that the dredging pipe is good in wear resistance and pressure resistance. The reinforcing ring improves the strength of the pipe part main body, and the pile head part can accommodate and install an optical fiber sensor, so that real-time monitoring of the dredging pipe is realized. The radian fins are distributed on the surface of the pipe part body, guiding can be improved, direct pressure caused by impact of water flow and sediment is reduced, and internal flow resistance is prevented from being affected.

The utility model relates to the technical field of flexible rubber hoses, in particular to a foaming flexible rubber hose. According to the technical scheme, the sealing assembly comprises a first threaded connector, a rubber hose, a buckle ring and an attaching block, the rubber hose is fixedly installed at the position, close to the end, of the inner wall of the first threaded connector, and the buckle ring is fixedly installed at the position, close to the end, of the outer arc face of the rubber hose; the inner wall of the second threaded connector is slidably connected with two attaching blocks which are symmetrically arranged, and the side portions of the buckle rings make contact with the attaching blocks. A first threaded connector is fixedly installed at the end of the main foaming hose, and the outer wall of the first threaded connector is in threaded connection with a second threaded connector. When air flows, the air applies pressure to the inner arc surface of the rubber hose to enable the rubber hose to be attached to the inner arc surface of the attaching block, and the clamping ring and the attaching block clamp the extending rubber sheet, so that the air is prevented from flowing to the joint of the first threaded joint and the second threaded joint, and the sealing effect is improved.

A bio-based electrically conductive polymer composite material is provided. The bio-based electrically conductive polymer composite material is useful as a bio-based anti-static inner layer in an aerospace hose.

The invention relates to a corrugated hose (200) for use in semiconductor technology equipment, and to a semiconductor technology equipment comprising a corresponding corrugated hose (200). The corrugated hose (200) comprises a flexibly deformable bellows (210) made of rigid, gas-tight material with a wave-like alternating diameter, forming the outer surface of the corrugated hose (200), and an inner hose (220) made of flexible material, forming the flow channel for a liquid, wherein the bellows (210) and the hose (220) are connected to each other at the two ends of the corrugated hose (200) in such a way that a continuous gas volume (240) is formed between the bellows (210) and the hose (220), and the corrugated hose (200) is designed to reduce temperature differences between the bellows (210) and the hose (220). The system for semiconductor technology comprises a temperature control system (100) with at least one fluid line (101), wherein a corrugated hose (200) according to the invention is arranged in at least one fluid line (101).

The utility model relates to the field of pipelines, and discloses a faucet pipeline which comprises a protective outer pipe, a soft inner pipe is inserted into the protective outer pipe in a sliding mode, a first connector is detachably arranged at one end of the protective outer pipe, and a second connector is detachably arranged at the end, away from the first connector, of the soft inner pipe. A rotating groove is formed in the end, close to the protective outer pipe, of the first connector, and the rotating groove is rotationally inserted into the surface of one end of the protective outer pipe. According to the utility model, the protective outer tube is made of polypropylene random copolymer, the flexible inner tube is made of polyvinyl chloride, and a certain amount of plasticizer is added when the flexible inner tube is manufactured, so that the softness of the flexible inner tube is increased, and when the flexible inner tube is applied to the fields of drinking water, machinery equipment, circuits and the like, the flexible inner tube can be prevented from being damaged. Due to the fact that the soft inner pipe is protected inside by the protection outer pipe, the safety of the soft inner pipe in the working process is improved through the protection outer pipe, and the service life of the soft inner pipe is prolonged.

This invention relates to the field of composite pipe technology and discloses a coilable pipe. The pipe includes a core tube (20) with a uniform cross-section medium flow channel and a corrugated protective layer (10) sleeved on the outside of the core tube (20). The outer surface of the core tube (20) is fitted with the minimum inner diameter of the corrugated protective layer (10). The corrugated protective layer (10) includes at least a metal corrugated protective layer (11), an anti-corrosion layer (12), and a plastic outer protective layer (13) arranged from the inside out. Through the above technical solution, this invention improves the rigidity of the pipe by setting a corrugated protective layer on the outside of the core tube, increasing the pipe's axial tensile strength and resistance to external pressure, ensuring the roundness of the core tube, and preventing damage to the core tube during coiling, uncoiling, and laying. Furthermore, the corrugated protective layer in this invention provides a plastic outer protective layer on the outside of the metal corrugated protective layer and the anti-corrosion layer, further protecting the anti-corrosion layer and the metal corrugated outer protective layer.

To provide a stable tube in which burst of a heat-shrinkable tube having an easily tearable characteristic in a longitudinal direction is less likely to occur in a manufacturing process of the tube.SOLUTION: A tube contains a fluororesin at least capable of being melt-processed. When a strain of the tube is ε, and a stress at that time is σ(MPa), a horizontal axis on a coordinate graph represents the strain ε, and a vertical axis represents the stress σ. Each of a straight line ab, and a straight line cd defined by four coordinate points of a (0.4, 8.8), b (0.4, 2.4), c (1.0, 9.9), and d (1.0, 3.2) on the graph intersects with a mechanical characteristic curve of the tube obtained by performing a tensile test under conditions of an ambient temperature of 60°C, initial inter-chuck distance of 22±0.05 mm, and tensile speed of 5 mm / sec.SELECTED DRAWING: Figure 2

A flexible tube (4) for conveying abrasive materials comprising a tubular body (8) extending along a main extension axis (Z-Z), the tubular body (8) having a thickness (12) extending from an inner side wall (16), which delimits an inner cavity (20) used for transporting abrasive material, to an outer side wall (24), opposite to said inner side wall (16) along a radial direction (R-R), perpendicular and incident to said main extension axis (Z-Z), wherein said tubular body (8) comprises a covering layer (28) at the outer side wall (24). The tubular body (8) comprises an elastomeric matrix (32) in which there are at least partially embedded circular disks (36) having diameter (D) and flat faces, made of ceramic material, having a first flat face (40) directly facing said inner cavity (20) so as to at least partially form the inner side wall (16) and a second flat face (44) embedded in the elastomeric matrix (32).

The present disclosure provides a system for vertical deployment of leaching lines onto a slope of a mine leach pad. The system includes an elevated guidewire having a first end disposed at a top of the slope and a second end disposed at a bottom of the slope; the elevated guidewire being elevated above a surface of the slope; a deployment apparatus moveably coupled to the elevated guidewire and having one or more attachment mechanisms disposed thereon; and one or more leaching lines coupled to the attachment mechanisms; wherein movement of the deployment mechanism from the top of the slope to the bottom of the slope pulls the one or more leaching lines down the slope and deploys the one or more leaching lines vertically onto the surface of the slope.

The application discloses a double-layer steel wire spiral reinforced tetrahydrofuran wear-resistant hose, and belongs to the technical field of chemical fluid conveying hoses. The double-layer steel wire spiral reinforced tetrahydrofuran wear-resistant hose comprises, from inside to outside, a tetrahydrofuran-resistant barrier inner layer, an inner adhesive coating layer, an inner-layer spiral steel wire reinforced framework, a middle isolation adhesive layer, an outer-layer spiral steel wire reinforced framework, an outer adhesive coating layer and a wear-resistant protective outer layer which are coaxially and sequentially arranged. The inner adhesive coating layer, the middle isolation adhesive layer and the outer adhesive coating layer are all dense elastic adhesive layers. The double-layer steel wire framework with reverse winding, different diameters and different pitches is adopted to realize the synergistic effect of anti-internal pressure, tensile resistance and high flexibility, and the inherent defects that high pressure and flexibility cannot be simultaneously considered in the prior art are solved. The three-layer adhesive layer fully wraps the steel wire framework structure, and there is no metal exposure. In combination with a steel wire corrosion-resistant passivation layer, tetrahydrofuran penetration corrosion of the steel wire is completely eliminated from the structure, which is different from the existing half-coated and exposed steel wire structure, and the service life is significantly improved.

System for marking high-performance hoses, comprising: - a connection element (10) for a high-performance hose (11), which includes a crimp sleeve (12) made of metal, and - a transponder chip (20) which is installed in a recess (21) in the crimp sleeve (12) and is designed to identify the high-performance hose (11).

Provided is a polyamide resin composition for a single-layer hollow molded body having polyamide 6 as the main component, substantially without using polyamide 11 and polyamide 12, wherein the properties are equivalent to those of a multilayered hollow molded body, the extrusion moldability of the hollow molded body is excellent, and the flexibility, impact resistance, and durability of the obtained molded body are excellent. The polyamide resin composition is a polyamide resin composition for extrusion molding to produce a single-layer hollow molded body, which contains polyamide 6 (a), a polyolefin (b) having a functional group, and a plasticizer (c); the relative viscosity of the polyamide 6 (a), measured at 25°C when 1 g of the polyamide 6 (a) is dissolved in 100 mL of 96% sulfuric acid in accordance with JIS K6920, is 3.0-4.5; 100 mass% of polyamide resin composition contains 60-90 mass% of the polyamide 6 (a), 3-25 mass% of the polyolefin (b) having a functional group, and 3-20 mass% of the plasticizer (c); and the polyolefin (b) having a functional group is a copolymer of ethylene and a C4 or higher α-olefin having a group derived from at least one selected from the group consisting of maleic anhydride and itaconic anhydride.

Double-walled plastic corrugated pipe, wherein the double-walled plastic corrugated pipe comprises an inner wall and an outer wall, characterized in that the double-walled plastic corrugated pipe has a main pipe section, wherein a transition pipe section is connected to each of the two ends of the main pipe section and a solid-wall pipe section is connected to the outer end of each transition pipe section, wherein in the main pipe section the wave crest height of the outer wall is constant, the wave spacing is constant and the outer wall thickness is constant, and in the direction from the main pipe section to the solid-wall pipe section in the transition pipe section the wave crest height of the outer wall gradually decreases, the wave spacing gradually decreases and the outer wall thickness gradually increases.

To provide a system and method for managing a marine hose that can easily and accurately grasp the degree of fatigue of a reinforcing cord that constitutes a marine hose while saving power. [Solution] A detection unit 10 equipped with an acceleration sensor 11, a memory unit 12, a control unit 13, and a battery 15 is installed on a marine hose 1, the detection operation by the sensor 11 is set to a predetermined short time each time, the sampling frequency of the detection data by the sensor 11 is set to 100 Hz or more and 200 Hz or less, the magnitude of acceleration in the detection data is divided into normal periods where the magnitude of acceleration is below a first threshold, medium-scale rough periods where the magnitude of acceleration is above the first threshold and below a second threshold, and large-scale rough periods where the magnitude of acceleration is above the second threshold, and the detection operation is performed more frequently in each period in this order, and the detection operation is controlled to be performed at intervals of 120 minutes or less during normal periods, and the degree of fatigue of the reinforcing cord is determined by a calculation device 16 based on each detection data stored in the memory unit 12.

The application discloses an agricultural irrigation water hose and a preparation method thereof. The agricultural irrigation water hose comprises, from top to bottom, a braided layer, a hot melt adhesive layer and an inner film layer, wherein the braided layer is made of polypropylene yarn. The irrigation water hose has the following advantages: 1) the adhesion strength between the inner film and the outer polypropylene yarn braided layer is greater than or equal to 15 n at a width of 50 mm after the irrigation water hose is normally rolled and placed for 24 hours; and 2) after being placed in an outdoor high-temperature environment of 75 DEG C for 30 days, the inner film and the outer polypropylene yarn braided layer of the water hose do not produce delamination, and the inner film does not become hard at a low temperature of -25 DEG C.

The invention discloses a nonmetal composite hydrogen conveying hose with a multi-form hydrogen blocking layer, and belongs to the technical field of hydrogen conveying hoses, the nonmetal composite hydrogen conveying hose comprises an external pipe, the bottom end of the external pipe is connected with a butt-joint pipe, the bottom end of the butt-joint pipe is connected with a composite hose, the bottom end of the butt-joint pipe is connected with a first sleeve in a penetrating mode, and the top end of the butt-joint pipe is connected with a second sleeve in a penetrating mode; the first sleeve is sleeved on the outer wall of the composite hose, the second sleeve is sleeved on the outer wall of the external pipe, a cavity is arranged in the butt-joint pipe, and a sealing measuring assembly is slidably connected in the cavity of the butt-joint pipe. A complete hydrogen conveying structure is integrally formed by a composite hose, a butt joint pipe and an external pipe, the butt joint pipe is fixedly connected with the composite hose and the external pipe in a sleeving mode through a first sleeve and a second sleeve, an inner cavity provides an installation and sliding space for a test sealing assembly, and the composite hose is of a multi-layer composite structure of a hydrogen conveying pipe, a first hydrogen blocking layer and a second hydrogen blocking layer. And a multi-form hydrogen blocking system with double hydrogen blocking layers and a hydrogen transporting base layer is formed.

The utility model discloses a high-temperature-resistant automobile radiator hose which comprises a hose body and further comprises an anti-pressing assembly, a heat dissipation assembly and a heat dissipation assembly. The anti-pressing assembly comprises connecting plates, a connector, a sealing plate and a base plate, the connector is fixedly connected between the two connecting plates, the sealing plate is rotationally connected with the connecting plates, the base plate is fixedly connected with the connecting plates, and the sealing plate wraps the base plate in an initial state; according to the utility model, the hose can be effectively prevented from being pressed.

The utility model provides an explosion-proof composite pipe for a medical water jet scalpel. The explosion-proof composite pipe comprises an inner pipe, and a woven reinforcing layer, a protective layer and a high-temperature-resistant layer which are sequentially arranged on the outer side of the inner pipe from inside to outside, the inner pipe is made of a nylon material; the woven reinforcing layer is made of a bulletproof fiber material; the protective layer is made of a TPU (Thermoplastic Polyurethane) material; according to the design, the bulletproof fiber material is adopted as the woven reinforcing layer to be arranged on the outer side of the inner pipe, the explosion-proof capacity of the inner pipe is greatly improved, the protective layer made of the TPU material is arranged outside the woven reinforcing layer for protection, and the TPU protective layer has the characteristics of high elasticity, high tear resistance and the like and is arranged on the outer side of the woven reinforcing layer, so that the explosion-proof capacity of the inner pipe is greatly improved. The high-temperature-resistant layer is additionally arranged on the outer side of the woven reinforcing layer for protection due to the fact that the high-temperature-resistant performance of the TPU material is low, and the bursting pressure of the composite pipe can meet 36250 PSI.

The invention discloses a steel strip reinforced spiral corrugated pipe and a production system and a production method thereof, and relates to the field of corrugated pipe structures and production, the steel strip reinforced spiral corrugated pipe comprises an outer layer pipe and an inner layer pipe, a spiral structure formed by winding a steel strip is arranged between the outer layer pipe and the inner layer pipe, a plurality of steel strips are fixed on the inner wall of the spiral structure, and the steel strips are fixed on the inner wall of the spiral structure. All the steel bars stretch across the two ends of the spiral structure in the axis direction. Flat structures existing between the spiral convex peaks can also be supported, the pressure bearing capacity of the positions is improved, the possibility of cracks is reduced, and the service life of the pipe body is prolonged.

An expandable hose having an outer layer and an inner duct is disclosed. The inner duct creates a fluid flow path between a first end and the second end of the expandable hose through each of a first connector and the second connector. The inner duct is constructed of a corrugated, flexible material to allow for expansion in response to increased fluid pressure in the expandable hose, which causes a lengthening of the expandable hose. The outer layer is not directly connected to the inner duct. The outer layer is made of a flexible material to allow for responsive expansion and contraction. Upon a decrease in fluid pressure, the outer layer contracts, which in turn causes the inner duct to contract in response.

Provided is a transmission device capable of, by using a simple configuration, transmitting a substance to be administered, while maintaining the super-polarization performance of the substance. This transmission device 4 is provided between: a polarization device 3; and an imaging device 2 that uses nuclear magnetic resonance. The transmission device is used when a substance super-polarized by the polarization device 3 is transferred to a location where the substance is used. The transmission device 4 comprises: a transmission tube 41 that forms a transmission path through which the substance is transmitted; a magnet 42 that generates a magnetic field in the transmission path; and a yoke 43 that is disposed so as to constitute a magnetic circuit with the magnet 42 and that has a relative permeability of 100 or greater.

The utility model provides a multi-layer composite fluorine-lined hose, which relates to the field of composite fluorine-lined hoses and comprises a composite fluorine-lined hose component, a lining layer, a barrier layer wrapped on the outer surface of the lining layer, a reinforcing layer arranged on the outer side of the barrier layer, a wear-resistant protective layer on the outermost side and a hose connecting component. Comprising a first connecting pipe and a second connecting pipe communicated with one end of the composite fluorine-lined hose assembly; through the mutual cooperation of the lining layer, the barrier layer, the reinforcing layer and the wear-resistant protective layer, the use strength of the fluorine-lined hose can be effectively improved, the spiral corrugated structure of the lining layer not only increases the turbulence degree of fluid flowing in the hose, but also enhances the flexibility and deformation resistance of the lining layer, and the service life of the fluorine-lined hose is prolonged. The internal threads on the inner wall of the pipe sleeve are meshed with the external threads on the surface of the second connecting pipe, connection of the two composite fluorine-lined hose assemblies is achieved, the threaded connection mode is easy to operate, connection is firm, mounting and dismounting are convenient, and the construction efficiency is improved.

An operator is enabled to easily identify the normal attachment direction of a ground clip and set the ground clip in a correct direction. Provided is a hose attachment structure in which a ground clip is attached over a grounded electroconductive pipe and a flexible hose inserted onto an outer face of the electroconductive pipe, wherein the ground clip includes a coil part that is attached to the outer face of the electroconductive pipe and an outer peripheral surface of the flexible hose and a pair of pinch parts that protrudes from both end parts in an axial direction of the coil part and faces each other, and one pinch part among the pair of pinch parts has an asymmetrically-shaped indicator part having directivity in the axial direction of the coil part.

The present invention provides components with metamaterial structures for use in enhanced geothermal systems.

The present invention provides a tube which is rarely broken and is stable during the process of the production of a heat-shrinkable tube having tearability in a length direction. The tube is characterized by comprising at least a melt-processable fluororesin and having such a property that, when the strain of the tube is defined as ε, the stress at the strain is defined as σ (MPa) and the strain ε is put on the horizontal axis and the stress σ is put on the longitudinal axis on a coordinate graph, each of a straight line ab and a straight line cd which are defined by four coordinate points a (0.4,8.8), b(0.4,2.4), c(1.0,9.9) and d(1.0,3.2) on the graph intersects with a mechanical property curve of the tube which is obtained by carrying out a tensile test under the conditions of an ambient temperature of 60°C, an initial chuck-to-chuck distance of 22 ± 0.05 mm and a tensile speed of 5 mm / sec.

The utility model relates to the technical field of fiber fabric air pipes, and discloses a multidirectional micropore flow guide fiber fabric air pipe which comprises a first air pipe, an air inlet is formed in the right side of the first air pipe, a plurality of reinforcing layers are fixedly connected into the first air pipe, and a plurality of ventilation openings are formed in the outer wall of the first air pipe. A first flange ring is fixedly connected to the left side of the first air pipe, a second flange ring is fixedly connected to the left side of the first flange ring, a second air pipe is fixedly connected to the left side of the second flange ring, and a supporting ring is fixedly connected to the middle of the outer wall of the first air pipe. Air enters the first air pipe through the air inlet, air flow is distributed to the flow guide layers under the action of the strengthening layers, the strengthening layers and the first air pipe are sewn, cylindrical balance is kept under the action of vertical and lateral tension, air is exhausted for air supply, the multiple strengthening layers in the first air pipe ensure that the air flow is stable and pressure is balanced, and the strength of the air pipe is enhanced. The service life is prolonged.

Multi-hose arrangement (1) having an outer hose (2) and at least one inner hose (3, 3a) disposed in the outer hose (2), and at least one coupling end (4) to which the outer hose (2) and the at least one inner hose (3, 3a) are attached. The at least one coupling end (4) has a flow opening (5) for the outer hose (2), in which flow opening (5) is disposed a receptacle (6) for the at least one inner hose (3, 3a), and this receptacle encompasses the at least one inner hose (3, 3a) on less than a full circumference of the at least one inner hose (3, 3a).