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1436 results about "Braid" patented technology

A braid (also referred to as a plait) is a complex structure or pattern formed by interlacing three or more strands of flexible material such as textile yarns, wire, or hair. The materials used have depended on the indigenous plants and animals available in the local area. Braids have been made for thousands of years, in many different cultures around the world, for a variety of uses.

Low-voltage cable

The invention provides a low-voltage cable, and relates to the technical field of cables, the low-voltage cable comprises a conductor layer, a support layer, a shielding layer and a sheath layer, the conductor layer is composed of multiple strands of fractal stranded conductors, and each fractal stranded conductor comprises an inner-layer superfine silver-plated copper wire, a middle-layer copper-clad aluminum wire and an outer-layer nickel-plated copper alloy wire; the supporting layer wraps the conductor layer and comprises an inner supporting layer, a dynamic framework layer and an outer restraint layer, the inner supporting layer is an obliquely wound aramid fiber woven belt, the dynamic framework layer is formed by alternately arranging shape memory polymers and carbon fiber composite belts, and the outer restraint layer is a spirally wound silica gel-glass fiber composite rope. The shielding layer comprises a tinned copper wire woven mesh; the sheath layer is a thermoplastic polyurethane matrix, a microcapsule self-repairing agent is dispersed in the thermoplastic polyurethane matrix, a microcapsule comprises a siloxane prepolymer, and the thermoplastic polyurethane matrix further comprises graphene nanosheets. Through collaborative design of the fractal stranded conductor layer, the dynamic skeleton support layer, the shielding layer and the self-repairing sheath, comprehensive improvement of cable performance is realized.
Owner:江苏鸿翔电缆有限公司

Integrally-formed multi-layer flexible fabric circuit

The invention belongs to the technical field of flexible circuits, and discloses an integrally formed multilayer flexible fabric circuit which comprises a main circuit I, a branch circuit I, a main circuit II and a branch circuit II according to functional layout classification, the main circuit I is connected with the branch circuit I, the main circuit II is connected with the branch circuit II, the main circuit I is not connected with the main circuit II, and the branch circuit II is connected with the branch circuit II. The branch circuit I is not connected with the branch circuit II; the main circuit I and the main circuit II define a [-shaped area, and the branch circuit I and the branch circuit II are both located in the area. According to composition and structure classification, the warp knitting fabric comprises an insulating warp knitting fabric, and a single conductive yarn a, a single conductive yarn b and a plurality of conductive yarns X which are simultaneously positioned inside the insulating warp knitting fabric; the conductive yarn a and the conductive yarn b are respectively weft yarns which are lined into the insulated warp knitting fabric from the left side and the right side. The fabric has the advantages of light weight, softness and breathability, is good in ductility, is integrally formed during weaving, and keeps the structural integrity and the yarn continuity.
Owner:ZHEJIANG NANXI TECHNOLOGY CO LTD +1

Nitinol braid processing procedure

An expandable sheath for use in an intravascular blood pump. The sheath has a sheath frame surrounded by one or more sleeves. The frame may have at least one of a braid, a wound wire, and a laser-cut material. The sheath frame may be a metal that is at least one of Nitinol and stainless steel. The sleeves may be made of one or more plastics. The expandable sheath is manufactured by surrounding the sheath frame with the sleeves and heating the sleeves and the frame around a mandrel. The frame and sleeves are heated in multiple steps, along multiple areas of the sheath, and to different temperatures and for different time periods. The temperatures at which the sheath is heated, and the time periods over which the sheath is heated, are selected such that after heating, the materials of the plastic sleeves penetrate the sheath frame to various depths.
Owner:ABIOMED INC

Methods of performing vascular procedures using a rigidizing device

A rigidizing device includes an elongate flexible tube, a braid layer positioned over the elongate flexible tube, an outer layer over the flexible tube and the braid layer, and an inlet between the elongate flexible tube and the outer layer and configured to attach to a source of vacuum or pressure. The braid layer has a plurality of strands braided together at a braid angle of 5-40 degrees relative to a longitudinal axis of the elongate flexible tube when the elongate flexible tube is straight. The rigidizing device is configured to have a rigid configuration when vacuum or pressure is applied through the inlet and a flexible configuration when vacuum or pressure is not applied through the inlet. The braid angle is configured to change as the rigidizing device bends when the rigidizing device is in the flexible configuration.
Owner:NEPTUNE MEDICAL INC

Intelligent safety control belt collecting and tensioning device

The utility model discloses an intellectualized safety control take-up straining device, including handle subassembly, base subassembly and long braid, handle subassembly includes handle and ratchet wheel, base subassembly includes base, handle and base are pivoted and rotatingly connected through take-up shaft, ratchet wheel is fixed on take-up shaft, and the winding drum is fixed between the ratchet wheel, and the long braid is fixed on the base. The ratchet wheel, the winding drum and the tape winding shaft rotate synchronously, the winding drum is sleeved outside the tape winding shaft and is coaxially arranged, an opening for the long braid to pass through is arranged on one side of the winding drum, one end of the long braid is sleeved on the tape winding shaft and is led out from one end of the base through the opening on the winding drum, one end of the tape winding shaft is connected with the coil spring assembly, and the coil spring assembly comprises a coil spring, a coil spring box and a coil spring box cover. The coil spring box is covered with the coil spring box, a brake assembly is further arranged in the coil spring box, and one end of the tape winding shaft can be provided with a C-shaped opening, an eccentric shaft or a concentric screw hole according to the structure of the brake assembly. According to the utility model, the long braid can be prevented from swinging to hurt an operator, and the personal safety of the operator is guaranteed.
Owner:TAIZHOU RUNJIE LOGISTICS SAFETY EQUIP TECH CO LTD

Hair accessory device and method for applying the same to hair

A hair accessory device having a plurality of hair beads that enables users to quickly apply to hair as part of a hairstyle. The hair accessory device comprises a plurality of hair beads, and a hanging hair bead. The hair beads are attached to one another in a linear arrangement and each hair bead is configured for insertion of a user's hair braid. The hanging hair bead is attached to at least one of the hair bead through a support member so as to swing freely as a pendulum. The hair accessory device is simply slid onto the hair and secured in place. The hair accessory device is more versatile and can be used to create a variety of hairstyles. The hair accessory device is a more convenient and less damaging way to apply multiple beads to the hair within less time.
Owner:GILMORE REKEDRA CHELECE

Artificially woven ligament and weaving method

The invention relates to an artificial woven ligament and a weaving method, and relates to the technical field of medical prosthesis replacement. The invention relates to an artificial woven ligament, in particular to an artificial woven ligament which comprises two woven bodies and a non-woven body which is located between the two woven bodies and connected with the two woven bodies respectively. The woven body comprises a plurality of cylindrical single-layer woven cylinders which are sequentially arranged from inside to outside in a sleeving mode, and the ends, away from the non-woven body, of the single-layer woven cylinders form a conical body. A plurality of weaving fixing lines are connected between the single-layer weaving barrels. The artificial woven ligament has the advantages that the artificial woven ligament does not depend on weaving and cutting techniques of doctors, the diameter of the woven fabric can be changed according to actual conditions of patients, and different requirements of ACL reconstruction implants are met.
Owner:BIOPAG (CHONGQING) BIOTECHNOLOGY CO LTD

Novel straight strip ejection hooking buckle for automobile seat

ActiveCN222859279USeat coveringsCar seatBraid
The utility model discloses a novel automobile seat straight strip ejection hooking buckle which comprises a woven layer and a protective layer, a looped pile is fixedly arranged on one side of the woven layer, an adhesive layer is fixedly arranged on the other side of the woven layer, the woven layer is fixedly connected with a base plate through the adhesive layer, and the protective layer is fixedly connected with the base plate. A plurality of connecting columns are fixedly connected to the other side, opposite to the braid layer, of the base plate, the tail portions of the connecting columns are evenly arranged on the surface of the base plate, hook bodies are arranged at the two ends of the head portions of the connecting columns towards the outer sides of the connecting columns respectively, and a plurality of openings are formed in one face of the protective layer and correspond to the hook bodies. The magnetic conductive layer is arranged on the other face of the protective layer, the connecting columns and the hook bodies are clamped into the opening in the protective layer, so that the braid layer and the protective layer are connected together, then the connecting columns and the hook bodies are connected with the braid layer and the protective layer and can be detached, and one or two hook bodies are arranged on one connecting column and enter the opening of the protective layer. The protection layer is clamped by the hook body, so that the protection stability of installation and connection is improved, and the protection layer and the magnetic conductive layer are prevented from falling off.
Owner:DONGGUAN QIANXIANG NEW MATERIAL TECH CO LTD

Braided soft pretzel apparatus and method

The present invention discloses an apparatus and method for making soft pretzel sticks and bites. The method involves conveying dough sheets, forming form V-shaped slot patterns, and trimming the dough sheet into parallel dough strips. The dough strips are cut along the midportion of each V-shaped slot pattern, producing dough strips with a central portion, and two series of dough segments extending from opposite sides of the central portion. The dough segments of each dough strips are folded into a braid pattern and cut into dough sticks or bites. The dough sticks and bites are washed in a caustic solution, allowing excess solution to drain through the braid pattern, then baked in an oven. The braid pattern allows the pretzel sticks and bites to expand and aerate during baking without being constrained by the pretzel skin, resulting in a soft, airy interior and a traditional exterior.
Owner:GOTTENBUSCH GARY

Automatic braid labeling machine

The invention provides an automatic braid labeling machine which comprises a base, the upper surface of the base is fixedly connected with a limiting plate, the upper surface of the limiting plate is fixedly connected with a workbench, the surface of the workbench is fixedly connected with a first supporting rod, and the first supporting rod is fixedly connected to the upper surface of the base; a labeling assembly is arranged on the surface of the workbench and comprises a labeling cylinder arranged above the workbench. A first motor drives a winding wheel to rotate to achieve braid winding, the braid is prevented from slipping by means of anti-slip teeth of a friction chuck, stable and accurate conveying is guaranteed, a linkage transverse rod is driven by related parts to accurately move and rotate, and when the linkage transverse rod is horizontal, a circular ring and the braid are matched to enable a dispensing conical cylinder to output glue in a proper amount, and the range is limited. And the identification sticker accurately falls on the glue dripping position and is pressed by the labeling cylinder and the glue dispensing conical cylinder, so that the labeling quality is improved, the falling of the identification sticker is reduced, the automatic labeling effect is improved, and the braid labeling efficiency is improved.
Owner:OPAMAND RIBBON (SHANGHAI) CO LTD

Intelligent design method and system for fiber composite anchor rod

The invention relates to the technical field of civil engineering and composite materials, in particular to a fiber composite anchor rod intelligent design method and system.The method comprises the following steps that carbon fibers and glass fibers are used for manufacturing a carbon-glass hybrid anchor rod core part, and meanwhile, LCP fiber bundles are used for weaving the surface of the carbon-glass hybrid anchor rod core part to form a woven layer; winding LCP fiber bundles on the surface of the braid layer to form LCP fiber winding ribs, so as to obtain the fiber composite anchor rod; adjusting the adjustable parameters of the fiber composite material anchor rods to produce a plurality of fiber composite material anchor rods so as to construct a production parameter prediction model, and using the production parameter prediction model to obtain production parameter prediction values of the fiber composite material anchor rods when anchor rod performance parameters are given; and producing the fiber composite anchor rod according to the production parameter predicted value. By means of the method, the fiber composite anchor rod high in mechanical property and economical efficiency can be produced, the production efficiency can be improved, and the production cost can be reduced.
Owner:UNIV OF SCI & TECH BEIJING

Insulation protection tube made of anisotropic aramid fiber and carbon fiber composite material

The invention relates to the technical field of power cables, in particular to an insulation protection tube which comprises a wire tube, and the outer wall of the wire tube is wrapped with a braided layer braided and wound by heterogenous aramid fibers, namely a heterogenous aramid braided layer; the heterogenous aramid fiber braid layer is also wrapped with a braid layer woven and wound by carbon fibers, and the braid layer is called as a carbon fiber braid layer; curing the wire tube wrapped with the anisotropic aramid fiber braid layer and the carbon fiber braid layer; the outside of the carbon fiber braid layer is coated with fixing glue; fixing glue with a polydimethylsiloxane component is adopted as the fixing glue; the fixing glue is doped with a fragment-shaped glass fiber net, and the fragment-shaped glass fiber net is used as a filler; the glass fiber net comprises a net body and expanded glass fibers; the net body is formed by weaving warp yarns and weft yarns; the warps and the wefts are made of glass fibers; the pressure resistance, corrosion resistance, wear resistance and insulation performance of the pipe are improved, and ultraviolet ray irradiation can be blocked.
Owner:衡诚能源科技(上海)有限公司

Braiding machine and methods of use

Systems and methods for forming a tubular braid are disclosed herein. A braiding system configured in accordance with embodiments of the present technology can include, for example, an upper drive unit, a lower drive unit, a mandrel coaxial with the upper and lower drive units, and a plurality of tubes extending between the upper drive unit and the lower drive unit. Each tube can be configured to receive individual filaments for forming the tubular braid, and the upper drive unit and the lower drive unit can act against the tubes in synchronization to cross the filaments over and under one another to form the tubular braid on the mandrel.
Owner:INCEPTUS MEDICAL LLC

Feeding mechanism for loop sewing of braid

The utility model discloses a feeding mechanism for looping and sewing braids, which comprises a transverse conveying mechanism mounted on a machine table, a vertical conveying mechanism capable of stretching up and down is mounted on the transverse conveying mechanism, and a longitudinal conveying mechanism capable of sliding back and forth is mounted on the vertical conveying mechanism. A first rotating mechanism and a second rotating mechanism which can rotate by 90 degrees are fixedly installed on the longitudinal conveying mechanism, clamps controlled by a driving mechanism are installed on the first rotating mechanism and the second rotating mechanism, and after the two ends of a braid are clamped through the clamps, the first rotating mechanism and the second rotating mechanism rotate by 90 degrees. The two ends of the braid are in a horizontal state and abut against each other, and the braid is conveyed to the sewing machine to be sewn, can be suitable for more different kinds of braids, and is wide in application range.
Owner:ZHONGSHAN BEIQI ELECTRIC CO LTD

Hook woven belt

InactiveCN223176349UWarp knittingWeft yarnBraid
The utility model relates to a crochet woven belt. The crochet woven belt comprises warp yarns, bottom-layer weft insertion yarns, middle-layer weft insertion yarns and surface-layer weft insertion yarns. The bottom-layer weft insertion yarns and the surface-layer weft insertion yarns are interwoven with the warp yarns; the middle-layer weft insertion yarns are arranged on the bottom-layer weft insertion yarns and are a plurality of straight yarns which are not interwoven with the warp yarns. The surface-layer weft insertion yarns are arranged on the sides, away from the bottom-layer weft insertion yarns, of the middle-layer weft insertion yarns and partially cover the middle-layer weft insertion yarns. The crochet woven belt is provided with the warp yarns and the bottom layer weft insertion yarns which are interwoven, and is provided with the middle layer weft insertion yarns which are not interwoven with the warp yarns, so that patterns which are not influenced by colors of the warp yarns are presented on the surface of the woven belt; and the surface layer weft insertion yarns partially covering the middle layer weft insertion yarns are arranged, so that the surface of the braid presents a stereoscopic pattern. The crochet woven belt can present patterns with stereoscopic impression, the weaving process is simpler and more convenient than tatting, materials are few, the cost is low, and the whole woven belt is light, attractive in appearance and suitable for being used as a decoration strip of clothes.
Owner:广东康派环创科技有限公司

Sinker for single-side circular knitting machine and knitting process

The invention relates to the technical field of knitting, and provides a sinker for a single-side knitting circular weft knitting machine and a knitting technology, the sinker comprises the single-side knitting circular weft knitting machine, the single-side knitting circular weft knitting machine comprises a sinker triangle and a corresponding first sinker, the middle part or the rear end of a first piece heel track is provided with a first piece heel which protrudes upwards and is matched with the sinker triangle, and a second piece heel track is arranged at the rear end of the first piece heel track. A first upper piece jaw is arranged at the front end of the first piece heel rail and above the first lower piece jaw, and a first piece nose is arranged above the first upper piece jaw; the weaving mode of the single-side knitting circular knitting machine comprises looping weaving, tucking weaving and floating thread weaving which are carried out by matching the sinker triangle with the first sinker, and further comprises reserved looping weaving or reserved tucking weaving which is carried out by matching the sinker triangle with the first sinker. The problems that weft-knitted fabric of an existing single-side knitting circular weft knitting machine is poor in stability, prone to loosening and curling, not stiff and smooth enough and prone to fuzzing and pilling are solved.
Owner:SHISHI BAOXIANG KNITTING MACHINERY

High-efficiency looping mechanism for braid

The utility model discloses a high-efficiency looping mechanism for braids, which comprises a frame, a feeding mechanism for conveying the braids is mounted on the frame, a turnover mechanism is mounted at the front end of the feeding mechanism on the frame, a clamp controlled by a first driving mechanism is mounted on a rotating shaft of the turnover mechanism, and a second driving mechanism is mounted on the rotating shaft of the turnover mechanism. During production, the braid leaves from the front end of the feeding mechanism and droops to the position between the clamps, the clamps are turned over by 180 degrees, after the braid is looped, the feeding mechanism continues to feed the braid to the preset length of the braid, the produced products are consistent in length and quality, the automation degree is high, the production efficiency is high, and in cooperation with the material taking mechanism, the production efficiency is high. The method can be used for products with or without thermal fuses, and is wide in application range.
Owner:ZHONGSHAN BEIQI ELECTRIC CO LTD

Superconducting cable, preparation method and preparation device

The invention belongs to the technical field of superconducting cables, and discloses a superconducting cable, a preparation method and a preparation device.The preparation method of the superconducting cable comprises the steps that a core wire, X superconducting wires and Y carbon fibers are prepared, the X superconducting wires and the Y carbon fibers are used for being woven on the surface of the core wire, and Y is smaller than or equal to X; spirally winding a hot melt adhesive film on the surfaces of the Y carbon fibers; the core wire, the superconducting wires and the carbon fibers are woven in a heating environment, and the X superconducting wires and the Y carbon fibers wound with the hot melt adhesive films are woven on the surface of the core wire under the heating condition; cooling the heated and braided superconducting cable through conveying; and after cooling, wrapping an insulating layer outside the superconducting braid layer formed by the superconducting wires and the carbon fibers. In conclusion, the superconducting braid layer of the superconducting cable is formed by mixing and weaving the superconducting wires and the carbon fibers, and the hot melt adhesive film is spirally wound on the surfaces of the carbon fibers, so that the core wires, the superconducting wires and the carbon fibers are bonded with one another after weaving, and the structural strength of the whole cable is improved.
Owner:XIAN SUPERCONDUCTING WIRE TECHNOLOGIES CO LTD

Winding-resistant drag chain cable for robot

The invention belongs to the technical field of cables, and particularly relates to a bending-resistant tow chain cable for a robot, which comprises a conductor core layer, an insulating layer, an inner sheath layer, a braid layer, a non-woven fabric layer and an outer sheath layer, the insulating layer wraps the conductor core layer, the inner sheath layer is positioned outside the insulating layer, the braid layer covers the inner sheath layer, the non-woven fabric layer is positioned outside the inner sheath layer, and the non-woven fabric layer is positioned outside the outer sheath layer. The non-woven fabric layer is wound on the braid layer, the outer sheath layer wraps the non-woven fabric layer, the conductor core layer is formed by twisting a plurality of flexible tinned copper wires and aramid fibers, and the surfaces of the flexible tinned copper wires are coated with carbon nanotube coatings; according to the invention, the thickness of the carbon nanotube coating is controlled to be 3-5 [mu] m, and the carbon nanotube coating is prepared by adopting a coating process, has excellent conductivity and mechanical strength, can effectively reduce the contact resistance change of the flexible tinned copper wire in the repeated winding process, and enhances the wear resistance and corrosion resistance of the surface of the copper wire, thereby prolonging the service life of the conductor core layer.
Owner:河北优艾斯电器有限公司

Method and system for identifying damage of composite material fiber woven layer under dynamic impact loading condition

The invention discloses a damage identification method and system for a composite material fiber braid layer under a dynamic impact loading condition, and the method comprises the steps: preparing a sample piece with a specific fiber braid layer according to a to-be-monitored composite material structure; applying dynamic impact loading to the sample piece by adopting an impact testing machine at preset impact energy and frequency; in the dynamic impact loading process, a high-sensitivity acoustic emission sensor array is used for monitoring a sample piece, and acoustic emission signals are collected in real time; the collected acoustic emission signals are preprocessed; performing time-frequency feature extraction on the preprocessed acoustic emission signal; and obtaining a damage identification index D based on the extracted time-frequency features. Compared with the prior art, the method not only comprehensively considers multiple factors and performs dynamic response analysis, noise suppression and signal extraction, but also has a time-frequency feature extraction capability and has good applicability and flexibility.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

Production process of protection tube with bi-component insulation paste

PendingCN119408202Aquality improvementreduce thermal gradientTubular articlesFiberglass meshGlass fiber
The invention relates to the technical field of power cables, in particular to a protection tube production process, which comprises the following steps of: (1) weaving and winding anisotropic aramid fibers on the outer wall of a sleeve; (2) carbon fibers are woven and wound on the heterogenous aramid fiber woven layer; (3) the sleeve wound with the anisotropic aramid fiber woven layer and the carbon fiber woven layer is put into a curing oven to be heated and cured; (4) polishing and cleaning the sleeve wound with the anisotropic aramid fiber braid layer and the carbon fiber braid layer; (5) the carbon fiber woven layer is coated with fixing glue, the fixing glue is composed of two components, the carbon fiber woven layer is coated with the first component, and the second component is evenly sprayed on the coating of the first component; the first component is also doped with a fragment-shaped glass fiber net, and the fragment-shaped glass fiber net is used as a filler; and (6) the fixing glue is subjected to curing treatment, the curing temperature is controlled to be 25-45 DEG C, and the curing time is 20-30 hours under the pressure of 0.1-0.2 MPa.
Owner:衡诚能源科技(上海)有限公司

Single-strand yarn tension detection mechanism of warp knitting fabric for automobile seat base cloth

InactiveCN119533739AAccurate tension valueGuaranteed accuracyTension measurementCar seatYarn tension
The invention relates to the field of yarn tension detection, in particular to a single-strand yarn tension detection mechanism of a warp knitting fabric for automobile seat base cloth, which measures the tension of the single-strand yarn of the warp knitting fabric for the automobile seat base cloth through the cooperation of a tension detection unit and a yarn pressing frame, so that the accuracy of a measurement result can be ensured; the yarn clamping mechanism is matched with driving of a second synchronous plate, so that when the yarn pressing frame moves, the yarn clamping mechanism can synchronously move, the yarn is fixed and divided into two sections to be measured, the adjusting mechanisms on the two sides are matched with the yarn sensing mechanism, it is guaranteed that the yarn can be measured when the yarn is tightened, and the situation that the measurement result is affected due to the fact that the yarn is not tightened can be prevented; in this way, two tension values can be measured at a time, and after yarn measurement results of different sections are integrated, the accurate single-strand yarn tension value of the warp knitting fabric for the automobile seat bottom cloth can be obtained.
Owner:JIANGSU KUANGJI AUTO ACCESSORIES CO LTD

Pultrusion line coordination control method and system

The invention provides a coordinated control method and system for a pultrusion line, and belongs to the technical field of plastic state substance processing. The production requirement information is analyzed, and a weaving instruction is sent to a weaving machine to weave a net-shaped layer; controlling a winding machine to wind wefts to obtain a fiber braided fabric; injecting liquid resin into the fiber braided fabric; and the fiber braided fabric injected with the liquid resin is heated, cured and formed through pultrusion equipment, speed coordination control is conducted based on a traction machine, and a target production product is pulled out through pultrusion and traction. According to the pultrusion line coordination control method and system, the fiber braided fabric is braided and wound on the basis of the production requirement information, the liquid resin is injected into the fiber braided fabric, the fiber braided fabric injected with the liquid resin is heated, cured and formed through the pultrusion equipment, and speed coordination control is conducted on the basis of the traction machine; and a target production product is pulled out through pultrusion, so that the production efficiency of the extruded and drawn wire is greatly improved.
Owner:JIANGSU GAOLU COMPOSITE MATERIAL CO LTD

Large-tow carbon fiber composite material device and preparation method

According to the large-tow carbon fiber composite material device and the preparation method, large-tow carbon fibers to be spread are subjected to yarn spreading treatment through the multi-stage yarn splitting roller set, the multi-stage yarn splitting roller set is formed by alternately arranging the hot rollers and the non-hot rollers, and therefore the situation that due to the arrangement, the yarn spreading speed is low, the fibers are excessively softened can be avoided. The shortest flow guide path is adopted to infiltrate the large-tow carbon fibers subjected to yarn spreading treatment, and the shorter the flow guide path is, the smaller the porosity of the composite material is, so that the mechanical property of the finally prepared large-tow carbon fiber warp knitting fabric composite material is greatly improved, and the mechanical level of the small-tow carbon fiber prepreg is achieved.
Owner:中车成型科技(青岛)有限公司

Control cable resistant to acid and alkali corrosion and resistant to rats and ants

The invention relates to the technical field of cables, and provides an acid and alkali corrosion resistant, rat-proof and ant-proof control cable which comprises eight cable cores, the surfaces of the eight cable cores are wound by polyester tapes to form a wrapping polyester tape layer, the wrapping polyester tape layer is coated with a copper wire braid layer, and the outer surface of the copper wire braid layer is coated with a sheath layer. The cable core comprises a copper conductor and an insulating layer wrapping the surface of the copper conductor. The sheath layer is prepared from the following raw material components in parts by weight: 45-75 parts of polyvinyl chloride resin, 8-18 parts of ethylene propylene diene monomer, 10-18 parts of a filling agent, 6-12 parts of a plasticizer, 20-30 parts of a flame retardant, 4-8 parts of a stabilizer, 2-4 parts of an anti-aging agent, 1-3 parts of a cross-linking agent and 3-5 parts of a rat-proof and ant-proof agent; the polyvinyl chloride resin comprises polyvinyl chloride resin QS-800F and polyvinyl chloride resin QS-1000F. According to the technical scheme, the problem of poor acid and alkali corrosion resistance of the sheath layer material of the rat-proof and termite-proof control cable in the prior art is solved.
Owner:XINGTAI XILONG CABLE CO LTD

Elastic braid production process

The invention relates to a production process of an elastic braid, which realizes transverse elasticity consistency and edge warping inhibition of the braid by constructing a full-flow tension balance control and structural stability enhancement mechanism. According to the process, composite elastic yarn provided with a photoelastic coating is utilized, tension is regulated and controlled through a multi-point micro traction structure driven by piezoelectricity, and the tension difference value of a braid within the range of every 2 mm is controlled within + / -0.03 N. A double-sided weft knitting system is adopted, thermal response type microcapsules are implanted into the edge of the braid in the knitting process, and the microcapsules release cross-linked components in the thermal treatment process to enhance the edge shaping stability. The heat treatment device is of a closed structure and is provided with an infrared heating area, a master control constant-temperature area and a blast cooling area, the constant-temperature area is integrated with a phase-change material buffer module and a tension feedback system, and the consistency of temperature control precision and transverse heat distribution is achieved. The winding state is compensated in real time through a laser scanning and flexible guide rail linkage device, and the high-performance elastic braid which is uniform in structure and stable in elasticity is obtained.
Owner:DONGGUAN FU RUIXIN TRADEMARK CO LTD

TPU coating pneumatic membrane material and preparation method thereof

The invention relates to a TPU coating pneumatic membrane material and a preparation method thereof, belongs to the technical field of square cabins, and solves the problem of poor puncture resistance of a square cabin pneumatic membrane material in the prior art. The fabric comprises an outer layer, an inner layer and a middle layer, the middle layer is a three-dimensional warp knitting fabric layer, the outer layer is a TPU and aramid chopped fiber composite layer, and the inner layer is a TPU mask layer. On the other hand, the invention provides a preparation method of the TPU coating pneumatic membrane material, and the preparation method comprises the following steps: step 1, weaving and forming the three-dimensional warp knitting fabric; step 2, TPU surface modification and interface strengthening; and 3, spraying the inner layer and the outer layer to form a coating. The anti-puncture performance of the pneumatic membrane can be improved, and the anti-puncture performance is improved from 800 N to 1400 N or above.
Owner:CSSC SYST ENG RES INST

Coaxial line automatic weaving supporting device and connector processing production line

The utility model provides a coaxial line automatic weaving supporting device and a connector processing production line. The device comprises a mounting platform; the chopping and pressing assembly is arranged on the mounting platform, a machining through hole is formed in the chopping and pressing assembly, the coaxial line penetrates through the machining through hole, and the chopping and pressing assembly can cut the coaxial line, so that part of the braid layer is cut off, and part of the inner core is exposed; the knitting pushing assembly is arranged on the mounting platform; the knitting pushing assembly comprises a sleeve and an air blowing unit arranged around the sleeve. The inner wall of the sleeve can drive part of the cut-off braid layer to move in the direction away from the inner core, and the air blowing unit can blow air to the braid layer while the braid layer moves. According to the device, the coaxial line can be automatically expanded, the inner core and the braid layer can be expanded, and after the braid is chopped, pressed and loosened, the braid layer can be quickly and uniformly expanded through the synergistic effect of the sleeve and the air blowing unit, so that the braid is treated in place in one step, and the product short-circuit scrapping caused by the residual braid wire is reduced.
Owner:APTIV CONNECTION SYSTEMS (NANTONG) CO LTD

Constant-tension-control automatic yarn winding and unwinding yarn carrier and control method thereof

The invention provides a constant tension control automatic yarn take-up and pay-off yarn carrier and a control method thereof, and belongs to the technical field of three-dimensional weaving, the constant tension control automatic yarn take-up and pay-off yarn carrier comprises a spring thread guide mechanism, a yarn guide rod and a yarn bobbin, the spring thread guide mechanism, the yarn guide rod and the yarn bobbin are all fixedly installed on a base, the yarn bobbin is driven by a motor, and the motor is connected with a battery and a single-chip microcomputer. When the yarn tension adjusting device works, the real-time tension value of the yarn is compared with the set tension value, then the corresponding actual output value is calculated through the PID algorithm, and the motor is driven to rotate so as to drive the yarn cylinder to rotate to collect and release the yarn, so that the yarn tension is adjusted. The device is simple in structure, external power supply is not needed during working, the influence of a yarn path on the yarn quality in the yarn winding and unwinding process is small, the tension can be rapidly and accurately adjusted, the tension is kept at a set value, extremely high universality is achieved, the knitting efficiency and the quality of knitted fabric can be improved, and development of the three-dimensional knitting technology and expansion of the application range are promoted.
Owner:TIANJIN POLYTECHNIC UNIV

Novel product for energy- and resource-efficient cold dyeing of textile substrates

ActiveDE202025000786U1Dyeing processYarnPolymer science
Product use by means of the invention for dyeing and coloring or the like of substrates made of fibers, fiber cables, yarns made of cut and filament fibers, flat structures such as woven fabrics, knitted fabrics, warp-knitted fabrics, non-woven fabrics and ready-made clothing and home textiles and the like, in particular of textiles with 100% or with mixtures thereof. These can be made of plant and animal natural fibers, stem fibers, synthetic fibers of petrochemical or natural origin as well as special fibers such as soy fibers, milk fibers, bamboo fibers or fibers that are difficult to dye such as aramid, polypropylene.
Owner:ARSLAN ALTAN DIPL TEXTIL WIRTSCH ING (FH)