1896results about "Flexible pipes" patented technology

The present invention provides a rubber member having excellent corrosion resistance and a semiconductor manufacturing–related device using the same. Provided is a rubber member that includes an olefin-based rubber, the rubber member being at least one member selected from the group consisting of building material members, mobility members, aerospace members, semiconductor members, and information communication members, and the rubber member coming into contact with a corrosive substance.

A rotation sleeve grip structure for garden hoses or other tubings is provided. A hose assembly can include a hose tubing and a rotation sleeve installed over an outer surface of the hose tubing, where the rotation sleeve is constrained between first and second open ends of the hose tubing and comprises a hollow cylindrical shell configured to enclose a portion of the hose tubing along a longitudinal length. The rotation sleeve is rotatable through 360 degrees about a circumference of the outer surface of the hose tubing. An inner sleeve can be affixed to the outer surface of the hose tubing, and may be disposed between the hose tubing and the rotation sleeve. One or more circumferential rib protrusions and corresponding circumferential channels for receiving the rib protrusions can be provided between the inner sleeve and the rotation sleeve.

The invention relates to the technical field of composite pipelines, in particular to a continuous fiber winding reinforced polyethylene composite pipe and a preparation method of the continuous fiber winding reinforced polyethylene composite pipe. The fiber reinforced layer is wound on the inner-layer polyethylene pipe, the outer polyethylene protective layer is wound outside the fiber reinforced layer, and the outer reinforced pipe is wound on the surface of the outer polyethylene protective layer. The continuous fiber winding reinforced polyethylene composite pipe prepared by the invention has excellent flexibility, the production process is simple, the production efficiency is high, and all production procedures of multi-layer compounding can be realized through one station.

The utility model relates to the technical field of hydrogen filling hoses, in particular to a hydrogen filling hose with a fracture protection function, which comprises two groups of connectors, a protection hose and a gas transmission hose are connected between the two groups of connectors, the gas transmission hose is positioned on the inner side of the protection hose, and the left end of the left connector is connected with a gas transmission head. An air conveying valve is arranged in the air conveying head, the right end of the right side connector is connected with an air inflation head, and an air inflation valve is arranged in the air inflation head. The leaked hydrogen can be filled to the inner side of the protective hose, so that the inner side of the protective hose is inflated and swelled, the problem of hydrogen leakage can be found in time and concrete, the gas transmission valve and the inflation valve can be closed in time, continuous hydrogen leakage is avoided, the leaked hydrogen can be stored in the inner side of the protective hose, and the hydrogen is prevented from being diffused into the air; and the operation production safety is improved.

The invention relates to the technical field of rubber materials, and provides a flame-retardant rubber hose and a preparation method thereof. The flame-retardant rubber hose comprises an inner rubber layer, a reinforcing layer and an outer rubber layer, and raw materials of the inner rubber layer and the outer rubber layer respectively and independently comprise the following components in parts by weight: 10-15 parts of MQ silicone rubber, 85-90 parts of nitrile rubber, 3-7 parts of 3-carboxyl-4-hydroxy-acetoacetanilide modified graphene, 35-45 parts of filler, 1-3 parts of an anti-aging agent, 5-10 parts of a plasticizer, 2-5 parts of an activating agent, 1-2 parts of a vulcanizing agent and 0.5-1.5 parts of an accelerant. According to the technical scheme, the problem that the rubber hose in the prior art is insufficient in mechanical property and flame retardant property is solved.

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 utility model relates to the technical field of gas pipelines, in particular to a variable-wave-pitch gas appliance connecting pipe. A variable-wave-pitch gas appliance connecting pipe comprises a corrugated pipe body, a coating layer and connector assemblies connected to the two ends of the corrugated pipe body. The corrugated pipe body is composed of a wide-wave-pitch section and two dense-wave-pitch sections, and the two dense-wave-pitch sections are connected to the two ends of the wide-wave-pitch section in the length direction respectively. The two ends of the variable-wave-pitch gas appliance connecting pipe are convenient to bend, the variable-wave-pitch gas appliance connecting pipe is convenient to install in a narrow space and a place where a pipeline needs to be bent, a connector is not prone to loosening after installation, the sealing effect is good, a right-angle elbow bent by 90 degrees does not need to be welded, cost is effectively reduced, a user can conveniently judge the position where the corrugated pipe is easy to bend, operation convenience is high, and practicability is high. The technical problems that when an existing corrugated pipe is installed in a narrow space, the end of the pipe needs to be bent in a hard mode, a connector is prone to loosening, the sealing effect is affected, and the cost is high when a 90-degree right-angle elbow is used are solved.

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 the technical field of rubber hoses, in particular to a pressure-resistant and oil-resistant rubber hose and a preparation method thereof.The preparation method comprises the following steps that S1, nitrile rubber, chloroprene rubber, chlorosulfonated polyethylene, chlorinated polyethylene, sulfur, an accelerant and an anti-aging agent are added into an internal mixer to be evenly mixed, the temperature is controlled for mixing, sheet discharging is conducted, a pipe blank is extruded through an extruder, and the pipe blank is obtained; a combined rubber layer is obtained; s2, the combined rubber layer, the woven copper-plated steel wire layer, the reinforcing layer, the spiral zinc-plated spring steel wire layer, the reinforcing layer, the woven copper-plated steel wire layer and the combined rubber layer are subjected to interlayer bonding in sequence, and the assembled hose is obtained; and S3, the assembled hose is put into a vulcanizing tank to be subjected to vulcanizing treatment. By adopting the seven-layer composite structure design, the rubber hose disclosed by the invention can be in contact with a strong corrosive medium for a long time without internal corrosion, so that the service life of the hose is prolonged, and the safety of the hose in the use process is also improved.

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).

A recreational vehicle waste delivery system with lengths of 3D cylindrical non-flexible tube and of 3D cylindrical flexible-tube, a first-coupler and, a second-coupler. The first coupler, the at least one flexible-tube, the second-coupler and the at least one flexible-tube in combination are able to be removably couplable modularly in series to provide an adjustable, modular waste management system for delivering waste from an rv to an in-ground sewer connection when engaged with a disposal fitting of the rv.

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.

One aspect of the disclosure is a method of attaching a hose coupling to a reinforced hose. In one embodiment, the method comprises: skiving the first end of the reinforced hose to expose at least one reinforcing layer of a plurality of reinforcing layers of the reinforced hose; positioning the skived first end of the reinforced hose in an inner cavity of the hose coupling; introducing a vacuum into the inner cavity through a vent port in the hose coupling; and introducing a bonding agent into the cavity through an injection port in the hose coupling, wherein the bonding agent is drawn by the vacuum into the plurality of reinforcing layers of the reinforced hose.

The invention relates to the technical field of flexible connecting pipelines, and discloses an asymmetric net sleeve metal hose and a forming method thereof.The asymmetric net sleeve metal hose comprises a corrugated pipe, the two ends of the corrugated pipe are fixedly connected with connecting pipes correspondingly, the outer side of the corrugated pipe is wrapped with a woven net sleeve, and the two ends of the woven net sleeve are fixedly connected with connecting rings correspondingly; the connecting ring is fixedly connected with the connecting pipe, and the woven mesh sleeve is of an unbalanced woven structure. The bending fatigue life of the metal hose is prolonged, the minimum bending radius is reduced, the self-supporting capacity of the metal hose in the specific direction is improved, and the application range of the metal hose is expanded.

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.

The utility model relates to the field of corrugated pipes, in particular to a corrugated pipe with a limiting mechanism, which comprises a corrugated pipe joint, a main body structure and functions for the corrugated pipe, and a corrugated pipe head arranged at the top of the corrugated pipe joint and used for being connected with an external pipeline, and a double-end bolt penetrates through the interior of the inner through groove. The corrugated pipe is provided with the double-end bolts, the outer limiting rings, the connecting blocks, the first telescopic rods, the buffer springs, the main adjusting rod and the second telescopic rods, and when the corrugated pipe is used, the outer limiting rings can be connected and installed on the corrugated pipe heads at the two ends of the corrugated pipe section through the double-end bolts respectively; and then a fixed knob is twisted to adjust the distance between a main adjusting rod and a second telescopic rod, so that the overall stretching length of the corrugated pipe is limited, the corrugated pipe is provided with a limiting mechanism, and the purposes of limiting the stretching range of the corrugated pipe and preventing the corrugated pipe from being damaged due to excessive deformation are achieved.

The sustainable hydraulic hose comprises of an inner-tube, reinforcement which renders robustness to the hose to withstand higher pressures and finally the cover compounds which is the exterior most part of the hose. The present invention relates generally to a sustainable hydraulic hose which is substantially minimizing the use of conventional fossil fuel derived raw materials. Nitrile (NBR) / SBR based innertube is used along with Nitrile (NBR) / SBR based cover compounds and the hydraulic hose accounts for at least 50 % and extendable up to 80 % sustainability. Unlike conventional hoses, which may use petroleum-based synthetic rubbers, sustainable options often incorporate recyclable or biodegradable materials like elastomers, fillers, rubber additives, plasticizers which is derived from bio- origin without depleting the non-renewable resources and at the same time it is ensured that the hoses meet high standards for both performance and environmental impact, providing users with assurance of their eco-friendly credentials.

The utility model relates to a bent supporting structure and a silica gel hose. The bent supporting structure comprises two fixing ring bodies. Damping mechanisms used for absorbing energy are arranged on the surfaces of the two fixing ring bodies, and each damping mechanism comprises an upper buffering damping assembly and a lower buffering damping assembly which are arranged on the tops of the two fixing ring bodies; the upper buffer damping assembly and the lower buffer damping assembly are both installed on the two fixing ring bodies through fixing pieces, when the bent position of the silica gel hose deforms, the positions of the two fixing ring bodies are changed, and therefore the upper short plate and the upper long plate are driven to rotate. And meanwhile, a lower damper body is hinged between the lower short plate and the lower long plate, and the two damper bodies are arranged to be located at the top and the bottom of the hose body correspondingly, so that bidirectional damping force is provided, bending and floating of the hose body are reduced, and the supporting effect is enhanced.

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 discloses a light-weight and flame-retardant braided hose for a liquid cooling system and a preparation method of the light-weight and flame-retardant braided hose. The invention discloses a sizing material for preparing a braided hose for a liquid cooling system. The sizing material is prepared from the following raw materials in parts by weight: 100 parts of ethylene propylene diene monomer, 5 parts of zinc oxide, 1 part of stearic acid, 30-60 parts of carbon black, 30-50 parts of nano calcium carbonate, 15-25 parts of a plasticizer, 2-4 parts of a cross-linking agent and 1-3 parts of an assistant cross-linking agent. The invention discloses a light-weight and flame-retardant braided hose for a liquid cooling system. The braided hose sequentially comprises an inner rubber layer and a reinforcing layer from inside to outside, the rubber material of the inner rubber layer is used for preparing the braided hose for the liquid cooling system; and the reinforcing layer is formed by weaving flame-retardant polyester fibers. The braided hose disclosed by the invention has the advantages of excellent flame retardance and medium compatibility resistance, flexibility, easiness in bending, light weight and the like, has good compatibility with an ethylene glycol aqueous solution, is suitable for a liquid cooling system, and can ensure long-term, safe and reliable operation of the liquid cooling system.

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).

Improved reinforced thermoplastic hoses exhibiting improved layer adhesion, improved burst pressure response, and better fitting retention are provided. High quality adhesion between tube, cover, and reinforcement layers is exhibited. Improved methods of making reinforced thermoplastic hoses to reduce use of SVHC chemicals and improve manufacturing efficiency are also provided. The thermoplastic hoses are suitable for pneumatic and hydraulic applications.

The present invention provides a molded article of a vinyl chloride-based resin composition excellent in mechanical properties such as tensile elongation at break while containing two or more kinds of calcium carbonate materials having different characteristics as a filler. The molded article of a vinyl chloride-based resin composition according to the present invention is obtained by blending a vinyl chloride-based resin and a filler. The filler includes a first calcium carbonate material and a second calcium carbonate material having different aspect ratios. The first calcium carbonate material is preferably a pulverized product of scallop shells.

A rotation sleeve grip structure for garden hoses or other tubings is provided. A hose assembly can include a hose tubing and a rotation sleeve installed over an outer surface of the hose tubing, where the rotation sleeve is constrained between first and second open ends of the hose tubing and comprises a hollow cylindrical shell configured to enclose a portion of the hose tubing along a longitudinal length. The rotation sleeve is rotatable through 360 degrees about a circumference of the outer surface of the hose tubing. An inner sleeve can be affixed to the outer surface of the hose tubing, and may be disposed between the hose tubing and the rotation sleeve. One or more circumferential rib protrusions and corresponding circumferential channels for receiving the rib protrusions can be provided between the inner sleeve and the rotation sleeve.

This disclosure relates to a hose assembly (1) including a fluid passage (11), a male coupler (12) and a blocker (13). The fluid passage (11) has an outlet (1112a). The male coupler (12) is rotatably sleeved on the fluid passage (11) at the outlet (1112a). The blocker (13) is protruded from the fluid passage (11) at the outlet (1112a) to restrict detachment of the male coupler (12) from the outlet (1112a) of the fluid passage (11).

The invention belongs to the field of plastic pipe manufacturing, and particularly discloses a long glass fiber reinforced plastic double-wall spiral corrugated pipe and preparation equipment and method thereof.The long glass fiber reinforced plastic double-wall spiral corrugated pipe comprises a corrugated reinforced structure layer integrally formed by long glass fiber reinforced plastic, the long glass fiber reinforced plastic comprises long glass fibers and a plastic matrix, and the length of the long glass fibers is 2-25 mm; through the synergistic effect of the long glass fibers and the plastic matrix, the rigidity and impact resistance are remarkably improved, and the problems that a traditional pipe is large in brittleness and prone to being damaged are effectively solved; the wall thickness can be reduced through efficient reinforcement of the long glass fibers, and raw material consumption and cost are reduced through combination of the optional calcium carbonate filler; a stock production line can be utilized for transformation production, equipment investment is reduced, and large-specification products can be produced; the corrugated reinforced structure layer, the inner lining layer and the outer protective layer are integrally formed in a fusion mode, stress hidden danger is avoided, interlayer combination is tight, the inner lining layer reduces resistance, and the outer protective layer is resistant to corrosion and adapts to complex working conditions.

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

Passively expandable and contractible tubing, dynamically expandable and contractible tubing, and non-expandable tubing and methods of using same are disclosed. Tubes having one or more layers are disclosed. Tubes having one or more reinforcements are disclosed. Tubes comprising radial and / or axial ePTFE are disclosed.