754 results about "Braid" patented technology

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.

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.

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.

The invention relates to the technical field of medical instruments, in particular to an artificial ligament braided fabric. The artificial ligament braided fabric comprises a braided part, the braided part is formed by interweaving warp yarns and weft yarns, a mesh staggered structure is formed, the warp yarns extend in the width direction of the braided part, and the weft yarns extend in the length direction of the braided part. Compared with the prior art, by optimizing the weaving structure and the size design, the complex movement requirements of various joint parts such as the ankle joint and the acromioclavicular joint can be met, the stable fixing effect is provided, and the risks of loosening and shifting of the graft are reduced.

The invention discloses a bamboo-based composite unmanned aerial vehicle radome and a manufacturing method thereof.The radome comprises a cover-shaped body and an extension part, the peripheral wall of the tail end of the cover-shaped body integrally extends to form a limiting ring, one end of the extension part is arranged and riveted to the peripheral wall of the limiting ring in a sleeving mode, and the other end of the extension part extends outwards in a divergent mode; the cover-shaped main body is formed by a cover-shaped braided fabric formed by a bamboo fiber reinforced resin matrix composite material, and the extension part is formed by any one of an extension braided fabric formed by the bamboo fiber reinforced resin matrix composite material or an extension layering structure formed by the bamboo fiber reinforced resin matrix composite material; a plurality of layers of cover-shaped braided fabric, extension braided fabric and extension layering structures are laid and stacked according to angles, and the radome is obtained through bamboo material treatment, bamboo material preparation, bamboo material weaving and layering, vacuum resin filling and post-treatment. The radome not only has the characteristics of light weight and high strength, but also is relatively low in cost, good in environmental protection performance and good in wave transmission rate.

The invention relates to a carbon fiber reinforced silicon carbide-based composite material with an anti-ablation gradient composite coating on the surface and a preparation method of the carbon fiber reinforced silicon carbide-based composite material. The preparation method comprises the following steps: depositing an interface layer on fibers of a fiber woven body; carrying out primary densification by using polycarbosilane through a precursor impregnation liquid process; further densifying by using a furfuryl ketone resin steeping liquor containing molybdenum powder; implementing a Si powder reactive infiltration process; and preparing an Hf2Ta6O17 coating by using an embedding infiltration process to prepare the C / SiC composite material with the anti-ablation gradient composite coating on the surface. The invention also provides the carbon fiber reinforced silicon carbide-based composite material prepared by the method. In the gradient coating of the prepared composite material, the SiC-MoSi2 layer relieves the difference of thermal expansion coefficients and realizes self-healing, and the Hf2Ta6O17 layer provides ultrahigh-temperature stability. The composite material prepared by the method disclosed by the invention has excellent ablation resistance and high-temperature mechanical property at the temperature of 2200 DEG C or above.

The utility model discloses a braid splicing device which comprises a supporting seat, a first transmission column, a second transmission column, a limiting portion, a sewing machine, a power component and a controller, the first transmission column and the second transmission column are arranged on the supporting seat, and the position of the first transmission column and / or the second transmission column relative to the supporting seat can be adjusted. The first transmission column and / or the second transmission column are / is connected with the power component, the controller is electrically connected to the power component and the sewing machine, when the braid is wound around the first transmission column and the second transmission column, the braid is located on the inner side of the limiting part, the limiting part is used for abutting against the braid to enable the braid to move towards the inner side, and the controller can control the power component to operate. The first transmission column and / or the second transmission column are / is driven to rotate, the sewing machine is synchronously controlled to operate, and adjacent braids can be spliced. According to the device for splicing the ribbon and other strip-shaped objects, manpower and material resources are saved, large carpets / ground mats can be formed, and application and popularization are facilitated.

Soft nylon strips that can be braided around the hair after it has been parted into sections. After the hair is braided, the braid is inserted into the nylon sock. Pull the hair behind the head and tie the braids together. If you can't reach, you can pin the braid to the head using a bobby pin. You can leave the cords in overnight. The longer the strips are left in, the more the hair is stretched.

Interlock knit textiles and methods of forming and using interlock knit textiles are described. Three structural properties have been found to contribute to improved stretch properties in interlock knits. The three structural properties include the use of a unique knitted loop shape, the use of fine filament yarns, and the use of elasticated yarns having lower hysteresis than conventional elastane. The described interlock knit textiles can include one, two or all three of these structural properties. The improved stretch properties can include values for percent elongation or modulus in the length direction which are close to or the same as their values in the width direction.

A fabric with high sewing strength comprises a first fabric layer, a second fabric layer and at least one braid, the first fabric layer and the second fabric layer are connected with each other, and the first fabric layer and the second fabric layer are at least partially overlapped at the joint; the braid is arranged in the overlapping area of the first fabric layer and the second fabric layer, and the braid, the first fabric layer and the second fabric layer are integrally sewn through sewing lines. Due to the fact that the braid is arranged in the overlapping area of the first fabric layer and the second fabric layer, and the braid, the first fabric layer and the second fabric layer are integrally sewn through the sewing threads, the connection strength of the first fabric layer and the second fabric layer at the sewing position is greatly improved, and the possibility that the first fabric layer and the second fabric layer are broken and off the threads at the sewing position is reduced; and the attractiveness and durability of the textile are ensured.

The application discloses an impact-resistant mine protective clothing and belongs to the technical field of mine protective clothing. The mine protective clothing is provided with an impact-resistant protective layer, and the impact-resistant protective layer comprises alternately stacked and connected first and second functional layers. The outermost layer of the impact-resistant protective layer towards the outside of a wearer of the protective clothing is the first functional layer, the first functional layer is a composite material layer composed of aramid woven fabric and a second resin, the second resin is filled in the fiber gap of the aramid woven fabric as a continuous matrix and covers the fiber surface, the weaving raw material of the aramid woven fabric is aramid monofilament subjected to first resin impregnation pretreatment, the first and second resins are both thermosetting resins, the first resin comprises a first compound, the first compound contains a morpholine ring and is bonded in a crosslinking network of the first resin, and the second functional layer is a dynamic crosslinking polymer layer. Compared with the prior art, the application can not only resist impact and be hard, but also absorb impact force and reduce the risk of blunt injury of personnel.

An intravascular device that includes a delivery sheath, a shaped braid comprising a distal braid layer and a proximal braid layer, and an inner member comprising a proximal end and a distal end, the inner member disposed between the proximal braid layer and the distal braid layer of the shaped braid. The intravascular device further includes a first configuration, the shaped braid and the inner member having a first length, and a second configuration, the shaped braid and the inner member having a second length wherein the first length is greater than the second length.

To provide a lightweight, three-dimensional warp-knitted fabric that offers cushioning and flexibility when folded, similar to soft polyurethane foam. [Solution] The three-dimensional warp knitted fabric according to this embodiment is a three-dimensional warp knitted fabric knitted with a three-reed. The three-dimensional warp knitted fabric consists of a face fabric structure, a backing fabric structure, and a connecting structure that connects the face fabric structure and the backing fabric structure. The connecting yarn constituting the connecting structure is a multifilament crimped yarn with a total fineness of 80 to 170 dtex and a single fiber fineness of 2 to 5 dtex. The connecting structure is a diagonal connecting structure or a truss connecting structure. The weight of the three-dimensional warp knitted fabric is 550 g / m 2 The following applies:

The invention relates to a manufacturing method of a bending-adjustable micro catheter, and belongs to the technical field of medical instruments. The bending-adjustable microcatheter comprises an inner tube, at least two auxiliary tubes, a reinforcing layer and an outer tube which are sequentially arranged from inside to outside. The manufacturing method comprises the steps that S1, the inner pipe and the at least two auxiliary pipes serve as mandrels, and the braid layer is wound on the outer walls of the mandrels so that the mandrels can be covered with the braid layer; s2, the far-end cut-off position of the woven structure is marked as a junction position, the side, facing the near end, of the junction position of the core shaft is marked as a main body section, and the side, facing the far end, of the core shaft is marked as an adjustable bent section; a fixing pipe sleeves the outer side of the braid layer on one side, close to the main body section, of the junction position; s3, the braid layer on the adjustable bending section is removed through laser, and a braid structure is obtained; and S4, the outer wall of the fixing pipe serves as a starting point, a winding spring layer is wound around the mandrel, and the portion, corresponding to the adjustable bending section, of the mandrel is covered with the winding spring layer. The problem that the reinforcing layer generates warping burrs at the fracture of the woven structure can be solved by sleeving the fixing pipe in the manufacturing process.

This invention provides a cable shielding layer braiding density measuring device, including a base, and further including a front clamping assembly, a braiding layer observation assembly, a rear clamping assembly, and a single-wire measurement assembly sequentially arranged on the base. The single-wire measurement assembly is used to measure the single-wire diameter d of the single filament in the braiding layer. A gap is provided between the braiding layer observation assembly and the rear clamping assembly to allow a vernier caliper to pass through. The vernier caliper is used to measure the outer diameter D of the braiding layer. The braiding layer observation assembly is used to observe the unidirectional spindle number m of the braiding layer. i The cable shield braid density measuring device provided by this utility model, through the controller controlling the front clamping assembly, the rear clamping assembly, the single-wire measurement assembly, and the braided layer observation assembly, realizes the clamping of the cable, the observation and measurement of the braided layer, and the data acquisition of the single-wire diameter, avoiding the cumulative error of traditional step-by-step measurement, reducing manual operation steps, and improving measurement efficiency and accuracy.

The invention provides a braided fabric and a knitting method thereof, a vamp and a footwear product, the braided fabric is formed by one-time knitting of a single-side warp knitting jacquard machine, the braided fabric comprises a first knitting layer 100 and a second knitting layer 200, the first knitting layer 100 and the second knitting layer 200 are integrally formed, and at least one of the first knitting layer 100 and the second knitting layer 200 forms a mesh structure. According to the scheme, the single-face warp knitting jacquard machine is adopted for one-time knitting forming, the expensive equipment cost and the complex debugging process of a traditional two-needle-bed warp knitting machine are abandoned, and the double-face structure effect originally capable of being only woven by the two-needle-bed equipment is achieved on the single-needle-bed equipment through the specific guide bar configuration and knitting mode; and the production equipment threshold and energy consumption are greatly reduced, and good economical efficiency and market competitiveness are achieved.

The application relates to the technical field of warp knitting fabric processing, and relates to a processing technology of a yarn-pressing type knitted fabric. The processing technology is obtained by operating a double needle bed warp knitting machine to obtain a front fabric piece and a back fabric piece which are connected to each other. The double needle bed warp knitting machine comprises a front needle bed and a back needle bed. The front needle bed is provided with a first flower presser and a second ground combing bar which are arranged in sequence. The back needle bed is provided with a fourth ground combing bar and a fifth ground combing bar which are arranged in sequence. A third ground combing bar is arranged between the second ground combing bar and the fourth ground combing bar. The front needle bed and the back needle bed are respectively provided with a yarn guiding and looping assembly which is matched with the third ground combing bar. The application is helpful for economically upgrading old equipment to meet the production demand of new fabrics.

The invention discloses a hydraulic S-shaped buckle forming mechanism and a forming method thereof, and relates to the technical field of buckle forming equipment, and the hydraulic S-shaped buckle forming mechanism comprises a buckle wire feeding mechanism and an S-shaped buckle forming mechanism. The thread is secondarily straightened by a straightening wheel set of the thread feeding mechanism, is prevented from retreating by a one-way head, and is precisely conveyed to the forming mechanism by an air cylinder matched with a length adjusting component; and the forming mechanism takes the pressing buckle main seat as a mounting basis, drives a cut-off tool apron, a jackscrew rod and a forming punch through an oil cylinder, and sequentially finishes the confluence of a buckle thread and warp and weft threads, the cutting and pre-pressing into a U shape, the jacking and positioning and the punching into an S-shaped buckle knot. A single pressing buckle assembly is an independent whole, a hydraulic forming and pneumatic back-off mode is adopted, it is guaranteed that buckle knots are compact and firm, self-stress is high, external force influence is small, disassembly is convenient and fast through the liquid-gas characteristic, the pressing buckle assembly is suitable for braided fabric processing, netting gear production and other scenes, and operation stability and product quality are effectively improved.

The utility model provides an intelligent induction belt storage barrel which comprises a supporting frame, a first straight section pipe, a bent pipe and a second straight section pipe are installed on the supporting frame, a feeding port is formed in the first straight section pipe, a discharging port is formed in the second straight section pipe, and the feeding port is higher than the discharging port; a square groove is formed in the first straight section pipe, and a sealing plate is arranged in the square groove. The ribbon storage barrel is arranged in the middle of the two working procedures, produced ribbons are conveyed forwards along the first straight section pipe, the bent pipe and the second straight section pipe, when the next working procedure breaks down, the ribbon storage barrel is used for storing the ribbons, the ribbons enter the ribbon storage barrel along the first straight section pipe to be stored, the ribbon storage barrel plays a role in buffering storage, and the ribbon storage barrel is used for storing the ribbons. And after the machine is repaired, the production of the next procedure is tightened, so that the stagnation of the previous procedure caused by the fault of the next procedure is avoided, and the production efficiency is improved.

The invention belongs to the technical field of waste textile recovery equipment, and particularly relates to a separation device for waste textile recovery, which is used for separating a waste quilt core which only retains an upper-layer coated fiber braided fabric and a lower-layer thermal insulation fiber layer, and comprises a first conveying mechanism, a second conveying mechanism, a third conveying mechanism and a fourth conveying mechanism, the feeding mechanism is in butt joint with the output end of the first conveying mechanism and is used for flattening and compacting the waste quilt cores and continuously conveying the waste quilt cores; the second conveying mechanism is used for receiving and conveying the separated thermal insulation fiber layer; wherein the first conveying mechanism, the feeding mechanism and the second conveying mechanism are sequentially mounted on the rack from left to right; the device further comprises a net cotton separating mechanism and the like. By means of continuous collaborative operation of the first conveying mechanism, the feeding mechanism, the net and cotton separating mechanism, the net stripping mechanism, the negative pressure mechanism and the second conveying mechanism, continuous treatment of waste quilt cores from conveying, flattening and compacting to net and cotton separating and stripping is achieved.

The utility model relates to a collar connecting structure and a coat, in particular to the collar connecting structure, a collar comprises a collar surface and a collar lining, the lower edge of the collar surface and the edge of a collar ring of a coat body are sewn in a concealed line mode, a first seam allowance is formed on the inner face of the collar surface, the collar lining is bonded to the inner face of the collar surface, and the first seam allowance can be shielded by the collar lining. According to the collar connecting structure, a braid or a heat sealing strip does not need to be used, the neckline can be lighter and thinner, only one splicing seam at the position of the neckline is exposed from the inner face of the clothes body and is smoother, in addition, the first seam allowance is shielded through the under collar, and the wearing comfort can be improved.

This application discloses a warp-knitted fabric and its manufacturing method, which is woven on a double-needle bed jacquard warp knitting machine with 7 guide bars. The fabric includes a woven layer, a heddle layer, and a base layer. The woven layer is woven from a first yarn and includes two weft threads woven by two oppositely arranged ground guides in a one-through-one-open pattern: 1-0-1-1 / 1-2-1-1 / 1-0-1-1 / 3-4-3-3 / / and 3-4-3-3 / 3-2-3-3 / 3-4-3-3 / 1-0-1-1 / / . The heddle layer includes a padded structure and a bottomless jacquard basic group. The warp knitting fabric, with a missing pad structure of 1-1-1-1 / 1-1-1-1 / / , is woven from the second yarn using two staggered half-gauge jacquard guides in a full-thread pattern. The bottomless jacquard basic structure consists of 1-0-1-1 / 2-3-2-2 / / and 2-3-2-2 / 1-0-1-1 / / , woven from the third yarn using two staggered half-gauge jacquard guides in a full-thread pattern. The bottom layer is woven from the fourth yarn, including a chain braid structure of 1-0-1-1 / 1-0-1-1 / / woven with a ground guide in a full-thread pattern. This technique allows the warp-knitted fabric to retain the characteristics of warp-knitted fabrics while also exhibiting the visual effect of woven heddle patterns.

The utility model relates to an adjustable donkey head hair plait anti -jumping groove device, contain fixed subassembly and a pair of movable subassembly, fixed subassembly contain the protection frame of door shape, the end of protection frame all is equipped with fixed clamp seat, fixed clamp seat contain the first base plate of board shape, be equipped with a pair of first side plate on the left side wall of first base plate, be equipped with a pair of guide rod on the left side wall of first base plate, be equipped with the through adjusting screw hole of first base plate, movable subassembly contain movable clamp seat and adjusting screw rod, movable clamp seat contain the second base plate of board shape, be equipped with a pair of second side plate on the right side wall of second base plate, be equipped with the through positioning screw hole and the through guide through -hole on second side plate. Since the protection frame of door shape sets up in the front of donkey head body, once appears donkey head steel wire rope unloading, also can make the steel wire rope always keep in the running of the front of donkey head when bending, effectively avoid the equipment failure caused by the steel wire rope jumping out of donkey head edge, obvious effect, strong practicality.

This invention provides an end yarn processing device for a flat knitting machine capable of precisely adjusting the position of a clamp relative to a carriage. The end yarn processing device processes the end yarns extending from the knitted fabric during the knitting process. The flat knitting machine has a needle bed with knitting needles arranged side-by-side in the length direction. The knitting needles move forward and backward relative to the teeth of the needle bed as the carriage moves, thereby knitting the fabric. The end yarn processing device includes: a first clamp and a second clamp, which are capable of moving forward and backward relative to the teeth and can switch between a state of not holding the knitting yarn and a state of holding the knitting yarn; and a cutter, which is capable of switching between a cutting execution state that can cut the knitting yarn held by the first clamp and the second clamp and a cutting standby state that cannot cut the knitting yarn. The first clamp, the second clamp, and the cutter are disposed on the carriage and are movable relative to the carriage in the length direction of the needle bed.

This invention discloses a structure-aware visual autoregressive (SAMA) weft-knitted fabric generation system and method, belonging to the field of weft-knitted fabric generation technology. The SAMA weft-knitted fabric generation system mainly includes a color code image generation subsystem and a simulation verification subsystem. The color code image generation subsystem generates a color code image based on category labels, and the simulation verification subsystem adjusts constraint weights based on the color code image to generate a knitted texture simulation image. Implementing the SAMA weft-knitted fabric generation system and method provided by this invention can improve the accuracy of discrete symbols in knitted patterns, satisfy physical constraints, maintain category balance, perform multi-scale coordination, verify realism, and improve inference efficiency.

The invention relates to a bright-color gradient-color safety belt and a production process thereof, and relates to the technical field of fabric production processes, and the bright-color gradient-color safety belt comprises a gradient-color woven belt and a color optimization finishing agent, the color optimization finishing agent comprises the following components in parts by mass: 20-30 parts of nano disperse dye, 10-15 parts of an ultraviolet light absorber, 5-10 parts of mesoporous silica, 15-20 parts of a color fixing agent, 5-8 parts of an organic silicon softening agent, 2-4 parts of a fluorescent whitening agent, 1-2 parts of a pH buffering agent and 30-40 parts of a solvent. The production process comprises the following steps: weaving more than two yarns with different colors to obtain a gradient yarn-dyed woven belt; the preparation method comprises the following steps: removing impurities, flattening to obtain a treated braid, padding the treated braid in a color optimization finishing agent, washing with water, fixing color, shaping in cold water, drying after treatment, packaging and storing to obtain the gradient color safety belt with bright color. The gradient color safety belt has the effect of improving the optical performance, the color fastness and the structural stability of the gradient color safety belt, and has a good safety protection function and durability.

A synthetic rope or cable having a supportive core (1) contained within an internal cavity of a hollow braided synthetic strength member (5), the supportive core (1) shaped to adapt to the internal cavity of the hollow braided synthetic strength member (5), the supportive core (1) sheathed within a flow shield (4); the hollow braided synthetic strength member (5) formed about the combination of the supportive core and the flow shield that sheaths the core; the flow shield formed of the braid strands and being a hollow braided construction; and the hollow synthetic strength member formed of the braided braid strands, characterized in that each braid strand forming a braided flow shield is formed of at least two yarns.

The application discloses a steady-state unwinding device, process and application of high-rigidity high-frangibility high-torque wire, and belongs to the field of textile processing technology.The device realizes controlled rotation of the yarn cylinder and steady-state circumferential unwinding of the wire by clamping and positioning the upper and lower ends of the yarn cylinder and combining up-down, left-right and front-back adjustable structures and damping control, thereby effectively inhibiting the problems of knotting, small braids and tension fluctuation of high-rigidity high-frangibility high-torque wire caused by residual torque in the unwinding process.The steady-state unwinding process can output the wire in a uniform and continuous state, is suitable for textile processing of inorganic non-metallic high-torque fiber, high-modulus high-torque organic fiber and high-twist high-twist yarn, and can stably feed into processes such as plying, doubling, heat setting and weaving, thereby ensuring the consistency of wire tension and the stability of product performance in the subsequent processing process.

The utility model relates to the technical field of sewing machines, and discloses forming equipment for clothes hanging lugs on a sewing machine, which comprises a sewing machine workbench, a braid unreeling device, a braid bonding and cutting device, an ultrasonic welding device and a cutting component positioned above the ultrasonic welding device, a braid feeding assembly is arranged on the side, close to the braid unwinding device, of the cutting assembly. The braid folding device is used for clamping the braid output from the braid conveying assembly and folding the braid to form a tag hanging lug; the label hanging lug transferring device is used for clamping and transferring the label hanging lug to the sewing machine; according to the forming equipment for the clothes hanging lugs, the hanging lugs do not need to be manually taken or selected in the whole process, the production efficiency is improved, the hanging lugs can be formed on site, matched use can be conducted according to the number of actual sewing products, the hanging lugs do not need to be pre-stored or stored, and the situation that the production environment is messy due to scattering is avoided.

This invention provides a seat upholstery material for use in vehicles, furniture, and the like. This material exhibits excellent appearance due to its concave deformable portion, and suppresses pilling even when rubbed against the surface by hard protrusions such as hooks on hook-and-loop fasteners. Furthermore, it provides excellent cushioning by suppressing lateral tipping. The seat upholstery material of this invention is composed of a three-dimensional woven fabric comprising two knitted layers—an outer layer and an inner layer—and connecting yarns linking these two knitted layers together. The three-dimensional woven fabric is characterized by having a concave deformable portion on the outer layer side, and a parameter A calculated using the following formula being 6 or more and 36 or less: Parameter A = Loop row density (loop row / 2.54cm) × Concave portion thickness (mm) / Fabric thickness (mm).