128 results about "Yarn" patented technology

A tubular knitted body portion, first and second opposed band portions, each of the first and second band portions formed from a segment of respective tubular knitted band portions containing at least some elastic yarns. First and second seams close respective edges of the first and second opposed band portions to each other to define a single band having an elongated shape for being fitted in a stretched condition onto and hugging only the lower portion of the foot with the joined first and second bands positioned on the asymmetrical portion of the foot below the ankle. One of the seams extends along the top of the foot in substantial alignment with the longitudinal axis of the toes. The other of the seams extends along the back of the heel substantially along the longitudinal axis of the Achilles tendon.

Provided is a process for producing a rope-shaped alkali metal battery, comprising: (a) providing a first electrode comprising a first conductive porous rod and a first mixture of a first electrode active material and a first electrolyte residing in the pores of the first porous rod; (b) wrapping or encasing a porous separator around the first electrode to form a separator-protected first electrode; (c) providing a second electrode comprising a second conductive porous rod and a second mixture of a second electrode active material and a second electrolyte residing in the pores of the second porous rod; (d) combining the separator-protected first electrode and second electrode to form a braid or a yarn having a twist or spiral electrode; and (e) wrapping or encasing a protective casing or sheath around the braid or yarn to form the rope battery.

A textile sling (10) of the present invention includes a fabric webbing body (1) and reinforced side or sides (2) engaged with the webbing body. The reinforced side or sides are woven to selvedges of the own webbing body from anti abrasion yarns, thus a high protection is obtained to the selvedges of the sling from wearing down. On a surface and around yarns of the sling forms an antiabrasive layer (3) made from polyurethane dispersion with a catalyst solution of modified aliphatic polyisocyanate. A method of manufacturing the textile sling is also disclosed. The final sling product presents greater cut and abrasion resistance.

This invention relates to a cut resistant tire side-wall component and processes for making such components, and a tire containing such component, the side-wall component comprising a textile fabric wherein a single layer of said fabric provides multi-directional cut resistance in the plane of the fabric,

the fabric comprising at least one ply-twisted yarn having

• • i) at least one single yarn having a sheath/core construction, the sheath comprising cut-resistant polymeric staple fibers and the core comprising an inorganic fiber, and
  • ii) at least one single yarn comprising cut resistant staple fiber and at least one continuous elastomeric filament and being free or substantially free of inorganic fibers; and

the fabric further having a coating for improved adhesion of the fabric to rubber such that the cut resistant tire side-wall component has a free area of from 18 to 65 percent.

A thread and a fabric are provided which are capable of being dyed to have a desired color and are formed of a metal-plated yarn excellent in antibacterial and electro-magnetic shielding properties. The thread for achieving this object is a composite thread (1) consisting of a chain stitch yarn (3) formed of a dyeable yarn and a metal-plated yarn (2) inserted as a core yarn into the chain stitch yarn (3). A fabric or a weft-knit product formed of the composite yarn (1) is excellent in antibacterial and electro-magnetic shielding properties and capable of having a favorable appearance of desired color. If the metal-plated yarn is directly arranged in the warp-knit fabric, the metal-plated yarn (51, 52, 53, 54) is preferably inserted to be invisible to a human eye from the surface of the warp-knit fabric.

Processes for preparing ultra-high molecular weight polyethylene yarns, and the yarns and articles produced therefrom. The surfaces of partially oriented yarns are subjected to a treatment that enhances the surface energy at the fiber surfaces and are coated with a protective coating immediately after the treatment to increase the shelf life of the treatment. The coated, treated yarns are then post drawn to form highly oriented yarns.

The invention discloses a technology for manufacturing cashmere and stretched wool blended yarn. The technology comprises the steps that A stretched wool is changed into loose fibers through a roller stretch breaker, and then the stretched wool and cashmere fibers are dyed respectively; B the stretched wool and the cashmere fibers are mixed at a certain ratio so that blended fibers can be formed; C willey is conducted on the blended fibers; D the blended fibers are woven to form the cashmere and stretched wool blended yarn. Compared with the prior art, the cashmere and stretched wool blended yarn produced according to the technology is soft and thick in hand feel and natural and gentle in gloss; the hand feel of the cashmere and stretched wool blended yarn produced according to the technology is similar to that of purse cashmere yarn, the material cost of the cashmere and stretched wool blended yarn produced according to the technology is much lower than that of the pure cashmere yarn, and the cashmere and stretched wool blended yarn produced according to the technology can be used as a substitute of the pure cashmere yarn.

Composite yarns, comprising one or more elastomeric fibers and hard yarns, are formed by adhering the elastomeric fibers and hard yarns together using a size material. The size-covered composite yarn can be used in weaving and knitting to make stretch fabrics with desired garment characteristics. The size material may be removed by subsequent wet fabric processing.

The invention provides a production method of washable piece-dyed knitted fabric. The production method comprises steps as follows: undyed yarn is knitted into gray fabric, the gray fabric is sequentially subjected to boiling-off, enzyme wash, dyeing, scotching, drying, liquid ammonia mercerization, neutralization, softening, scotching, drying, setting and preshinking, and the washable piece-dyed knitted fabric is obtained. The production method adopts steps of boiling-off, enzyme wash, dyeing and liquid ammonia mercerization sequentially, the liquid ammonia mercerization effect and the liquid ammonia recycling are facilitated, and resin treatment is combined, so that an obtained knitted product has better dimensional stability, and more durable hand feeling and color are kept; and the fabric has high flatness, touches comfortable and is soft, elastic and better in strength. By means of the production method, various properties of the knitted product are improved, the additional value and the technological content of the knitted product are increased, and recyclable liquid ammonia used for treatment is environment-friendly.

The invention relates to a continuous cold-rolling and steaming dyeing process and equipment of an active dyestuff. The continuous cold-rolling and steaming dyeing process comprises the following steps: 1, padding the dyestuff; 2, steaming and fixing color; 3, soaping; 4, carrying out acid washing; 5, softening and fixing color; 6, squeezing and drying. In the step of padding the dyestuff, the active dyestuff and a color fixing auxiliary agent are prepared separately; in an active dyestuff preparation process, a penetration auxiliary agent is added; the prepared active dyestuff and the color fixing auxiliary agent are mixed online and then are added into a dyeing vat; the temperature of a dyeing solution in the dyeing vat is controlled to be 0 to 10 DEG C and the time for padding the dyestuff is 4s to 8s; a small-capacity dyeing vat is adopted as the dyeing vat and the updating period of the dyeing solution is 8min to 15min; a sewing body, yarns or textiles pass through a plurality of groups of rollers in the dyeing vat for a plurality of times of squeezing and pad dyeing. The continuous cold-rolling and steaming dyeing process and equipment of the active dyestuff have the beneficial effects that continuous type dyeing is carried out; the production efficiency is greatly improved and the labor intensity is alleviated; the consumption of energy sources and resources including water, power, steam and the like is also greatly reduced and the environment pollution is further reduced.

A carpet is described which has a particular yarn pattern which permits the use of different types of yarn such as unused yarn to form a carpet having a visually consistent appearance from manufacturing run to manufacturing run even though different types of yarns may be present. Other aspects of the invention are also described.

The invention relates to a method for producing high-count yarns from vinylon and polyester fibers, and cotton by blending. Vinylon and polyester, and cotton fibers are selected. Vinylon and polyester fibers are blown, carded and pre-doubled, and then combined with cotton combed silvers on drawing, and cone yarns are produced through procedures of roving, spinning and spooling. Low speed, multi-combing and less-beating, large gauge, small-feeding and less-falling, weighing and pressurizing are adopted in a blowing procedure; large gauge, small noil, big ration, full transfer and proper combing are adopted in a cotton carding procedure; large gauge, big ration, low speed, first-pass pre-doubling and second-pass mixed drawing processes are adopted in the drawing procedure so that components are mixed uniformly; large gauge, big ration, heavy pressurizing, low speed and small twist are adopted in the roving procedure; moderate twist coefficient and low spindle speed processes are adopted in the spinning procedure. The vinylon is added in a polyester-cotton fabric, so that the polyester-cotton fabric has good moisture absorption and good gas permeability, is firm and durable, and resists acid and base, corrosion, moth damage and solarization; high-quality fine staple cotton is added in the polyester-cotton fabric, so that the polyester-cotton fabric is comfortable and soft to wear, keeps warm in wearing, and is suitable for making work clothes.

The ballistic structure for personal protection according to the present invention includes a plurality of rigid structures, separated from one another, in which at least one rigid element is formed by layering of leaves made of high molecular weight polyethylene tapes arranged in parallel and unidirectional fashion wherein these leaves are cross-plied and pressed at high temperature, with adhesive polymers being laid down on at least one face of the single leaves, and in which at least another rigid element is formed by a layering of unidirectional resin-impregnated yarns, wherein each layer of unidirectional yarn is crossed with the subsequent one. Such layering is pressed at high pressure and at high temperature. In a preferred embodiment, the rigid structure, which is the first to be impacted by the bullet, is made of a rigid element composed of ultra high molecular weight polyethylene yarn. The values of trauma obtained by the bullet impact are considerably reduced with respect to a monolithic layering of the same weight.

The invention refers to mucilage-glue and colored terylene-fiber blending yarn and the spinning method. The blending yarn components: common-section colored-terylene short fibril 40-50%; 3 kinds of different-colored profiled-section ones 25-30% and common-section mucilage-glue short fibril 25-30%. Respectively make the five short fibrils into rolls and into strips on cotton-cleaning and cotton-snatching machine and adopt three successive strip combinations. In the strip-combining course, adopts special combining and tactic order.

The invention provides a gas rubber roller for a spinning machine, which is provided with a mandrel, wherein a rubber gas bag is covered on the surface of the middle part of the mandrel; the two ends of the rubber gas bag are hermetically connected with the two ends of the mandrel; and a gas filling chamber is arranged between the middle part of the rubber gas bag and the mandrel. Gas is filled into the rubber gas bag hermetically connected with the mandrel to be combined with the flexible rubber in virtue of the compressibility of the air, so that the rubber roller can meet the demands of the flexibility and rigidity in spinning; as the cotton is light, the parallelism between the fibers is high, the quality of the yarn can only be ensured when the holding power at the jaws formed by the rubber roller and the rollers is identical, and the high elastic deformation of the gas rubber roller enables the strain and the stress to be balanced at one instant; and therefore the gas rubber roller has higher practical value.

The present invention relates to a spinning apparatus (5) for producing a thread (36) by means of a circulating air flow, wherein the spinning apparatus (5) has a hollow spinning cone (19) which is arranged in a spinning housing (14, 15) and, in order to generate the circulating air flow, a nozzle block (17) which can be loaded with compressed air, wherein the spinning housing (14, 15) has an expansion chamber (28) which is provided with at least one waste air channel (29), wherein a compressed air source (22) can be connected to the waste air channel (29) for the joining operation, while the nozzle block can be separated from the compressed air supply, as a result of which an air flow which runs along the spinning cone (19) in the direction of the sliver guide (18) is generated in the spinning housing (14, 15), with the result that a suction effect is produced at the inlet opening (35) of the spinning cone (19), by way of which suction effect a thread (36) can be transported through the spinning cone (19) counter to the spinning direction.

The invention discloses a pure mulberry silk fabric comprising double sided warp patterns. The fabric comprises a group of upper warps, a group of lower warps and wefts, wherein the wefts are interwoven with the group of upper warps and the group of lower warps; the group of upper warps and the group of lower warps are bound to form an upper satin fabric layer and a bottom satin fabric layer of adouble-layer satin fabric; and floral patterns are printed on the group of upper warps and the group of lower warps. Due to the adoption of the technical scheme, two exposed surfaces of the double-layer fabric are provided with clear floral patterns. The pure mulberry silk fabric can be taken as a double sided warp-printed yarn-dyed pure mulberry silk curtain fabric, a double sided warp-printed yarn-dyed pure mulberry silk screen fabric, a double sided warp-printed yarn-dyed pure mulberry silk fashion fabric and a double sided warp-printed yarn-dyed pure mulberry silk scarf fabric.

A pile article having a support strand for attachment to multifilament yarn to form a velour-like pile having loosely entangled filaments in spaced apart monolithic pile rows, a helically wound package of oriented pile articles for shipping and storage, and a pile surface structure comprising pile articles arranged in spaced apart rows on a substrate to form a pile surface that may be flat or moldable, and a method for making a pile surface structure by embedding the pile articles into the backing substrate. The pile surface structures may be usefully employed in automobile mats, carpets and panels.

The invention provides a one-step spinning machine capable of conducting entwisting clockwise and a one-step spinning method. The one-step spinning machine comprises a carding roller, a cover, a fiber feeding mechanism, a yarn winding mechanism and an air sucking device. The one-step spinning machine is characterized in that an irregular-shaped pipe formed by a conical pipe and a trapezoid pipe is arranged below the carding roller. The trapezoid pipe is formed by defining two trapezoid steel plates and two trapezoid mesh plates, and a U-shaped fiber cohesion area formed by a semi-circular-arc mesh plate is arranged at the outlet end of the trapezoid pipe so as to achieve cohesion of fiber in the irregular pipe. One side of the cohesion area is connected with a rotation flow entwisting pipe in butting mode, and the inner diameter of the rotation flow entwisting pipe and the U-shaped cohesion area form a straight smooth yarn channel. Compressed air enters along an air inlet hole of a lateral wall of the rotation flow entwisting pipe to form forward rotation flow to finish entwisting of strips and push the yarn to move forward. Fiber is fully separated, stretched, becomes parallel and is combined evenly on one device, and the one-step spinning machine is simple and compact in structure, convenient to machine and manufacture and low in cost. The one-step spinning method achieves purposes of high speed, high yield, high efficiency and high quality.

A polyester fiber which has physical properties such as a double refraction delta n of up to 0.07, an elongation after fracture of at least 80%, and a specific weight of at least 1.35 g/cm<3> and is suitable for a draw-texturing raw yarn, and which is produced by cooling polyester filaments melt-spun from spinnerets to up to a glass transition temperature by a cooling air while filaments are being taken up by a take-up roller at at least 3000 m/min, and by heating them to above a glass transition temperature while they are being wound up from the take-up roller into a package by a winding device.

A method for manufacturing a textile product includes the steps of providing an intermediate product formed by a backing having a front surface and a back surface, and yarns applied into the backing, the yarns extending from the front surface of the backing material, feeding the intermediate product along a body having a heated surface, the back surface being pressed against the heated surface, to at least partly melt the yarns present in the intermediate product to form the textile product, wherein the part of the back surface that is pressed against the heated surface has a relative speed with respect to the heated surface, and a device enabling applications of this method and to a floor covering incorporating such a textile product connected to a dimensionally stable carrier sheet using thermo reversible covalent interactions.

The invention discloses a method for making a coated filter cloth through a wet process. A technical scheme adopted in the invention is characterized in that the method comprises the following steps: calendering the coated surface of a filter cloth, coating or dip-coating the calendered surface of the filter cloth with a coating agent of an organic polymer material having the advantages of high porosity, smooth surface, good elasticity and good wear resistance through a coating or dipping device, immersing the coating agent coated filter cloth in a coagulation bath, controlling and adjusting the temperature of the coagulation bath and the detention time in order to realize required porosity and film layer thickness, washing with water, and drying. The obtained coated filter cloth changes deep filtration to surface layer filtration, so a filtered material does not aggregate in the apertures between yarns of the filter cloth, the obstruction of the filtered material in the apertures of the filter cloth is avoided, the possibility of the obstruction of the filter cloth by the filtered material is greatly reduced, the filtering efficiency is improved, the energy consumption of a filtering system is reduced, the filter cloth obstruction is reduced, the service life of the filter cloth is prolonged, and the production cost is reduced.

The invention discloses a winding balance device which can ensure that the tension of yarn is constant in the winding process of spiral lines of the yarn. The winding balance device comprises a tension balancing stand arranged on a machine beam, wherein a supplementary mandrel and at least one inserting hole distributed around the supplementary mandrel are arranged on the tension balancing stand; a supplementary swinging rod and a torsion spring are movably sleeved on the supplementary mandrel; one end of the torsion spring is butted on the supplementary swinging rod, and the other end of the torsion spring is inserted into the inserting hole; a supporting shaft is arranged at the end part of the supplementary swinging rod; and a swinging winding guide wheel is arranged on the supporting shaft. In the winding process of the spiral lines of the yarn, the supplementary swinging rod swings up and down under the action of the torsion spring to ensure that the length of the yarn between the output point and the winding point of a yarn conveying device is always constant, so that the linear speed of the yarn conveying device is constant, and the tension of the yarn is constant, thereby effectively avoiding the periodic uneven twisting and greatly improving the quality of the formed yarn.

The invention discloses a yarn rod positioning device for an automatic cheese loading and unloading robot. The yarn rod positioning device comprises a yarn rod strengthening assembly and a yarn rod positioning assembly which are both mounted on a Z-axis frame of the cheese loading and unloading robot; in the yarn rod strengthening assembly, a strengthening drive motor and a strengthening transmission device are used for driving an anti-interference mechanism and a strengthening mechanism to move, interference in yarn rods can be eliminated, and strengthening of the yarn rods required to be positioned can be achieved; and in the yarn rod positioning assembly, a positioning driving motor and a positioning transmission mechanism are utilized for driving a center positioning rod to move, and positioning and feedback of the yarn rods are achieved. The yarn rod positioning device has strong applicability, does not need to replace original yarn cages and yarn rods, can realize automatic positioning of the yarn rods, facilitates automation, is installed on the automatic cheese loading and unloading robot, and can ensure quick and inerrant loading and unloading of cheese by the robot.

The invention discloses environment-friendly flame-retardant textile fabric. The environment-friendly flame-retardant textile fabric is double-layer fabric, wherein the inner layer fabric is formed byweaving mulberry bark/antibacterial fiber blended yarn, the outer layer fabric is formed by weaving linen/flame-retardant fiber blended yarn, and the inner layer fabric and the outer layer fabric areconnected through polyester drawn textured yarn; and the fabric is formed by weaving the mulberry bark/antibacterial fiber blended yarn, the linen/flame-retardant fiber blended yarn and the polyesterdrawn textured yarn through a double-sided circular knitting machine. The environment-friendly flame-retardant textile fabric adopts the double-layer fabric, the inner layer fabric is breathable andmoisture-permeable and has an antibacterial function, the outer layer fabric has a flame-retardant effect, and the polyester drawn textured yarn plays the role of connection; antibacterial fiber is cellulose acetate fiber modified by the chemical grafting of sorbic acid chloride and has good antibacterial properties, flame-retardant fiber is viscose fiber which is chemically grafted with ethyl dichlorophosphate molecules and amino-terminated polysiloxane and has good flame retardant properties and mechanical properties, and the bonding form of chemical bonding is firm, and high washable performance is achieved; and the environment-friendly flame-retardant textile fabric has good breathability and moisture permeability and a wide application range.