98results about How to "Improve weaving performance" patented technology

A base fabric for a hollow-woven air bag, including: a bag portion (multiple fabric portion) formed by connecting a plurality of cloth pieces by hollow weaving; a fastened portion A connected to the bag portion (multiple fabric portion); and a fastened portion B of a weave structure different from that of the fastened portion A, which is formed in a boundary portion between the bag portion (multiple fabric portion) and the fastened portion A.

The invention relates to an industrial polyester filament for a high-strength ultra-low-elongation safety belt and a production method of the industrial polyester filament. The production method comprises the following steps of: A) high-viscosity polyester chip preparation; B) high-viscosity polyester chip impurity removal; C) melt spinning; and D) drafting, heat setting and winding. The number of the industrial polyester filaments produced by adopting the method is 72-144F, the fineness is 1100-2222dtex, the breaking strength can reach more than 7.80cN/dtex, the fixed-load elongation can reach 4-6 percent under a condition of 11.1KN and the controllable oil content is lower than 0.30-0.60 percent. The industrial polyester filament for the high-strength ultra-low-elongation safety belt and the production method of the industrial polyester filament have the beneficial effects that the breaking strength of the safety belt which is provided by using the obtained industrial polyester filaments can reach 35KN and is much higher than the breaking strength being 28-33KN of the existing safety belt, the physical and mechanical performance is good and the industrial polyester filament is an optimum raw material for producing front-row safety belts; the weaving performance is good, the dyeing uniformity of the safety belt is good due to lower fiber oil content, the gloss is stable, and chromatic aberration and stains do not exist; the waste polyester fibers can be recycled, the energy is saved, the environment is protected and the operating cost is reduced; and the operation is simple to conduct, the process flow is short, the automation level is high and the development space is very great.

A line-breaking stoppage electronic controller of knitting machine belongs to the electronic controller used on the knitting machine. The electronic controller comprises a sensor device, a controllerand an electromagnetic switch, the sensor device and the electromagnetic switch are respectively connected with a controller through lead. The electromagnetic switch comprises an electromagnet and a switch handle; and the electromagnet is placed at one end of the switch handle which is positioned in the stroke of the electromagnet. The sensor device is proximity switch, microswitch, limit switch or Hall switch; or the sensor device comprises a bracket and a switch which is equipped to the bracket. The sensor device is placed at the side of B-shaped track of the knitting machine. The advantageof the invention consists in that the controller can convert a mechanical signal of the knitting machine to an electric signal which activates the electromagnet for driving the switch handle to move through the controller for driving the switch handle to move so that the clutch of the knitting machine drops off instantaneously and stop. The line-broken spindle line reel can stop immediately without collision of large load to the mechanical switch, and the component breakage of knitting machine is reduced.

The invention discloses a production technology of mini-jacquard weft elastic yarn-dyed fabric made of aloe fiber. The production technology comprises steps as follows: winding, warping, sizing, weaving and finishing, wherein the finishing comprises steps as follows: fabric inspection, fabric turning, sewing, singeing, desizing, setting, preshrinking and plaiting. The specification, the style and the dyed yarn arrangement of the mini-jacquard weft elastic yarn-dyed fabric made of the aloe fiber are designed, winding, warping, sizing, weaving and finishing processes are optimized, the production efficiency is up to 92%, and the rate of first-grade goods put in storage is up to 98%.

The invention relates to a glass fiber warping machine. The glass fiber warping machine is characterized in that tension-controlling equipment is arranged on a rack between a reed and a thread guide roller; the equipment comprises a pressure roller, a towing rubber roller and a force-measuring roller, wherein, the pressure roller is arranged above the thread guide roller, and a tension sensor is arranged below the force-measuring roller; the equipment drives the towing rubber roller to rotate by taking a towing electric machine as towing power, enabling that the film yarn, after passing through the reed, winds from the top of the pressure roller to the bottom, gets through between the pressure roller and the towing rubber roller and winds into an 'S' shape, then the film yarn is led to thetop of the force-measuring roller and enters into a warp beam after passing through the thread guide roller; the winding electric machine is warp beam winding power, and the traction electric machineand winding electric machine work simultaneously. The invention is able to obviously improve the tensile force of the film yarn, detect the tensile force and ensure that the film yarn which is increased in tensile force keeps constant tensile force in the whole winding process. The fact proves that the film yarn wound by the glass fiber warping machine has fine weaving effect on the loom, thus deserving widespread popularization and application.

The invention discloses a method for processing osiers for weaving a kennel. The method provided by the invention comprises the following steps: (1), osier preprocessing; (2), drying treatment; (3), osier decocting; (4), secondary drying; (5), poikilothermic treatment; and (6), insulation weaving. The kennel formed by weaving osiers processed by method is relatively good, an impetuous emotion of a pet dog can be relieved, the morbidity of the pet dog is lowered, the service life of the kennel is prolonged by 2 to 3 years, and an excellent use value is achieved.

The invention discloses a moth-resistant treating method for wicker straw. The method comprises the following steps: (1) pretreating straw raw materials; (2) preparing a moth-resistant treating solution; (3) modifying; (4) treating at low temperature; (5) repeatedly treating for the second time; (6) weaving at constant temperature. The straw treated according to the method provided by the invention has better moth-resistant and mold-proof characteristics, excellent flexibility, folding resistance, tensile strength and weaving property; the prepared products have the characteristics of environmental protection, safety and no harm to a human body; the service life of the products is 2-3 years longer than that of the products prepared according to the conventional method; the popularization value is higher.

The invention provides a novel weaving idea of a voile variety fabric and process, voile yarn is twisted into yarn and is done a reprocessing on a bidirectional coating spinning machine, after the voile yarn is twisted into the yarn, heat set twist only needs to be done one time, folded yarns use a hollow mesh pagoda cone to do the heat wet wet, the temperature of yarn steaming is controlled at 95 DEG C, the time of yarn steaming is 1.5 hour, the set twist rate is capable of achieving above 60 percent, and then the reprocessing is done on the bidirectional coating spinning machine, when processing, the voile yarn is used as a yarn core to enter, thereby the voile yarn has the characteristics of excellent and thin texture, excellent hand feeling, clear hole arrangement, transparent and breathability, and has excellent economic and social benefits.

The invention provides a preparation method for an aluminum oxide-based ceramic continuous fiber containing 1-5 wt% of B2O3. The method comprises the following steps that alumina sol containing Al13 colloidal particles, a pseudo-boehmite nano-dispersion, silica sol, a boric acid aqueous solution and a high-molecular spinning auxiliary are mixed so as to obtain a mixed solution; then aging and concentrating are carried out until the viscosity of a system is 500-1000 Pa*s so as to obtain spinnable precursor sol; and dry spinning, drying and calcining are carried out so as to obtain the aluminumoxide-based ceramic continuous fiber. According to the preparation method, the electron deficiency effect of boron is utilized, and addition reaction of water is carried out on the boric acid to formB(OH)4<->, so that the boric acid can be stably combined with polyhydroxyl pseudo-boehmite nano-particles so as to prepare the spinnable precursor sol and the fiber with excellent properties. The method has the advantages that the raw materials are easy to obtain, and industrialized application is easy to realize; and the diameter of the prepared fiber is 5-8 microns, the strength of the single fiber can reach 2.0 GPa, the modulus can reach 149 GPa, and various excellent performances such as high temperature resistance, flexibility and spinnability are achieved.

The invention belongs to the field of polymer chemistry, and particularly relates to a high-strength and high-resiliency spandex fiber and a preparation method thereof. The preparation method includesthe following steps that a prepolymer is prepared by reacting polyhydric alcohols with isocyanate; the prepolymer and a chain extender are subjected to secondary polymerization, a chain terminator isadded to end polymerization, and accordingly a polymer dope of polyurethane urea is obtained; an annexing agent is optionally added into the polymer dope of the polyurethane urea to be evenly stirred, then spinning is conducted, and the spandex fiber is obtained; and the isocyanate refers to a mixture containing the isocyanate modified through diisocyanate and carbodiimide. The spandex fiber disclosed by the invention has the high-strength and high-resiliency properties at the same time, the strength is 1.70-2.00g/d or above, the stress at definite elongation is 10.5-13.5cN, the elongation atbreak is 520-600cN or above, the elastic recovery rate is 93%-95% or above, and the weaving performance of spandex fabrics in the high-resiliency field is greatly improved.

The invention provides a novel weaving concept of functional non-woven fabrics and a method thereof. Common natural staple fibers are combed into a net through air current or polymer fibers are melted and extruded into a net; the fiber net, after prewet out in a parallel laying or folding laying way, is in a spun-laced way consolidated and dried, then further consolidated by chemical adhesion or thermal adhesion. The functional particle of the fiber net can be added flexibly, and is suitable for multi-product production; the invention has simple technology, requires no dramatic alteration to the present equipment and can obviously improve weaving performance and improve weaving efficiency.

The invention provides a brand novel weaving concept of chemical synthetic fibers and a method thereof. Copper ammonia fibres, paraffin, carbon black powder, etc. are used as raw materials; the fibers spinning by dissolution method such as nitrilon, copper ammonia fibres, vinylon, etc. are used; single hole spinning is changed into compound spinning by spinning parts with a sheath-core structure when the spinning is non-compound spinning, which can obviously improve weaving performance; the outer layer of the spinning uses water-soluble paraffin and the surface of the fibers reserves concave-convex appearance caused by atoms at the same time when the paraffin is removed. The invention does not influence fiber color and has low cost and strong weaving capacity.

Provided is a weft-guiding mechanism for a multi-layer cylindrical weaving machine. The weft-guiding mechanism comprises a weft-guiding fixing board and a weft-guiding shuttle. Multiple groups of transmission devices and multiple shuttle limiting wheels are uniformly arranged along the peripheral direction of the weft-guiding fixing board. The weft-guiding shuttle comprises an arc rack, a yarn-carrying device and a stirring rod. The yarn-carrying device and the stirring rod are arranged on the arc rack. The arc rack is meshed with gears of the transmission devices. The transmission devices comprise fixing seats and stepping motors. Locating holes are arranged in the gears and internally equipped with screws. The gears are fixed in shafts of the stepping motors through screws. Notches are arranged in lower ends of fixing seats and equipped with sensors. The sensors are used for sensing positions of the gears by sensing positions of the screws. Rollers are arranged on the fixing seats. The lower end of the arc rack is equipped with a limiting bottom board. Two sides of the limiting bottom board match the shuttle limiting wheels and the rollers. The weft-guiding shuttle finishes weft-guiding operation by moving along the peripheral direction of the weft-guiding fixing board. The weft-guiding mechanism for the multi-layer cylindrical weaving machine is high in weft-guiding efficiency, good in weaving effect and great in reliability.

The invention discloses a dyeing technology utilizing a spaced dyeing fancy yarn cheese dyeing device. The dyeing technology includes the following steps that pure cotton grey cotton is prepared, a bobbin is loosened through the spaced dyeing fancy yarn cheese dyeing device, preprocessing is performed, the dyeing technology is performed, postprocessing is performed, the bobbin is tightened, and packaging is performed. According to the fasteness index of dyed fabric, the water washing fasteness is at the 4-5 level, the friction fasteness is at the 4-5 level, and a large-production dyeing result shows that the technological process is short, pure cotton fancy yarn is uniform in color, no dyeing defects exist, no inner and outer layer difference exists, and the yarn disorder and breakage phenomenon is avoided, the hand feeling is soft, and the product level is high. Besides, pure cotton yarn subjected to ecological preprocessing is woven, weaving performance is good, and yarn strength, color fasteness and the like all meet customer requirements.

The present invention relates to an inflatable fabric, and more particularly to an inflatable fabric comprising two separated fabric layers which are woven at the same time using a weaving machine, and at least one an attachment area where a single layer of fabric is formed, wherein said attachment area is formed from at least a weave pattern of at least 13 yarns selected from the group consisting of a 2/2 basket weave pattern, a satin weave pattern, a partial attaching weave of a double layer weave pattern, and a combination thereof Since the attachment area of the inflatable fabric of the present invention comprises at least 13 yarns, air leakage can be minimized during inflation. Also, because sewing is unnecessary, manufacture cost of shock-absorbing products including an airbag can be reduced. Further, with a superior weaving property and surface smoothness, the fabric of the present invention can be utilized for shock-absorbing products when coated with synthetic resins.

The invention provides a novel weaving idea of a flame retardant yarn variety fabric and process, through a reciprocating automatic plucker to clean cotton, using the processes of mixing a head and a channel, and twice drawing, a drawing sliver which is spun into yarn through roving yarn and spun yarn, after being twisted, the yarn is changed into wire. Using the fiber blending, the comfortable wear is guaranteed and the flame retardant efficacy is possessed, simultaneously, the cost is properly reduced, the weaving performance is capable of being obviously improved, the weaving effect is improved above 92 percent, simultaneously, the strength of the fiber is increased, the brittleness is increased, the wear comfort is excellent, the production process is simple, the weaving effect is high, the production value of a product is improved, and the economic and social benefits are excellent.

The invention relates to the technical field of glass fiber, in particular to a glass fiber yarn efficient impregnating agent. The glass fiber yarn efficient impregnating agent provided by the invention comprises the following components: 13 to 21 percent of epoxy resin emulsion, 16 to 24 percent of polyacrylic ester, 1 to 2 percent of ammonia water, 0.2 to 0.8 percent of a silane coupling agent,0.05 to 0.5 percent of an organosilicon lubricating agent, 0.05 to 0.7 percent of a cationic lubricating agent, 0.3 to 1.3 percent of a non-ionic lubricating agent, 0.5 to 1 percent of sodium dodecylbenzene sulfonate, 0.5 to 1 percent of imidazoline, 4 to 8 percent of gasoline, 0.3 to 0.9 percent of ammonium chloride, 0.08 to 0.8 percent of aliphatic diamine and the balance of deionized water. The glass fiber yarn efficient impregnating agent provided by the invention has good penetration effect, high moisturizing property and high heat stability, can give high mechanical property to the glass fiber yarn and realizes a good weaving effect.