58results about How to "Spin well" patented technology

The invention provides a preparation method of a graphene based reinforced and flame-retarded recycled polyester staple fiber. The method comprises the following steps: preparing graphene master batch; preparing phosphate based halogen-free flame retardant master batch; weighing the graphene master batch and the phosphate based halogen-free flame retardant master batch, mixing with a recycled polyester raw material, drying, feeding molten dried raw materials into an impurity removal stirrer under the action of a screw extruder by a melt pump for carrying out homogenization impurity-removal treatment, feeding a homogenized and impurity-removal polyester melt into a secondary filter by the melt pump, enabling a filtered melt to pass through a mixed melt on a pipeline to enter a spinning manifold, carrying out drafting processing on a spun fiber to obtain the reinforced and flame-retarded recycled polyester fiber, cutting off bundles and packaging. The reinforced and flame-retarded recycled polyester chip has the good spinning forming property, the fiber quality is high, the using amount of a fire retardant can be effectively reduced under the synergistic effect of grapheme and the phosphate based flame retardant, the cost is reduced, the reinforcement effect can be achieved and the mechanical property of the fiber is effectively improved.

The invention offers antibiosis poly lactic acid fiber producing method. It processes inorganic superfine antibiosis powder contained silver firstly, make antibiosis agglomerate with smashed poly lactic acid slice which are processed cross blend melt spinning in certain proportion. The formed ploy lactic acid antibiosis fiber has the advantages of antibiosis, washable, good fiber forming and quality, and biodegradable.

The invention discloses a space-adjustable rotary storage cabinet, which comprises a rotating mechanism, a storage structure and a support structure, wherein the rotating mechanism comprises a main motor, a rotating shaft and a sliding rail; the storage structure comprises a storage region, a bottom rotating plate, a top plate, an outer cover, a plurality of separation plates and a plurality of ascending and descending plates; the support structure comprises a support frame, a fixing seat with a bearing, a linear bearing, a lead screw and a lead screw nut; the bottom of the sliding rail is fixed at the bottom of the support frame; the bottom rotating plate is fixed on the sliding rail; the bottom rotating plate is fixedly connected with the rotating shaft; the ascending and descending plates are glidingly connected with the rotating shaft through the linear bearing; the lead screw nut is used for fixing the lead screw and the edges of the ascending and descending plates; the main motor drives the bottom rotating plate, the ascending and descending plates, the top plate and the rotating shaft to synchronously rotate through the rotating shaft. The space-adjustable rotary storage cabinet has the advantages that the storage quantity is great; the structure is simple; the movement is stable; the storage space of expresses is reasonable; the classification is clear; the price is low; the applicability is high.

The invention relates to a preparation technique of water-soluble polyvinyl alcohol fiber and application thereof, which is characterized in that in the preparation of spinning stock solution, the mixed solvent of dimethyl sulfoxide and water is used for dissolving polyvinyl alcohol, and the weight percentage concentration is controlled to 5-25%; porous wet gel spinning is adopted, and at least 5000 holes are available; and the water soluble temperature of the obtained fiber is 20-80 DEG C. The invention shortens the dissolution time of the polyvinyl alcohol and leads the polyvinyl alcohol to be fully dissolved; and the obtained solution is good in spinnability, is capable of producing high-quality water-soluble fiber and realizes the requirement of industrialization for the yield. The water-soluble fiber obtained by the invention is used for producing long tows, or being processed into wool tops, or being blending with the wool tops, cotton slivers, hemp and other chemical fibers, and can be made into high count yarn or hollow yarn or short fiber used for non-woven fabrics, embroidered base cloth and paper making.

The present invention relates to an inorganic / organic hybrid composite fire retardation agent and an application of the inorganic / organic hybrid composite fire retardation agent in PET fibers. The preparation method comprises: uniformly stirring and mixing dried PET slices, a phosphorus fire retardation agent and a nanometer material at a temperature of 30-180 DEG C, carrying out extrusion granulation at a temperature of 240-300 DEG C to obtain fire retardation PET slices, drying the fire retardation PET slices, cooling to a temperature of 40-90 DEG C, adding a dispersing agent to obtain a spinning raw material, and carrying out spinning and drafting processing to obtain the finished product. According to the present invention, the PET slices has characteristics of good spinning molding and excellent fiber quality; and the adopted nanometer material and the phosphorus fire retardation agent can produce the synergistic effect, such that the fire retardation agent consumption can be effectively reduced so as to reduce the cost, the enhancement effect can be provided, the mechanical property of fibers can be effectively increased, and the melt dropping resistance of the PET can be improved.

The invention relates to a method of preparing flame-retarding anti-microbial polylactic acid fibers, spinning the fibers into yarn and making a fabric. The method comprises the first step of mixing polylactic acid slices with flame retardants and antibacterial agents, melt-blending the mixture at the temperature between 180 DEG C and 220 DEG C and conducting cooling and pelleting to obtain flame-retarding anti-microbial polylactic acid master batches, the second step of mixing polylactic acid slices with synergists, melt-blending the mixture at the temperature between 190 DEG C and 220 DEG C and conducting cooling and pelleting to obtain synergetic polylactic acid master batches, and the third step of mixing polylactic acid slices, the flame-retarding anti-microbial polylactic acid master batches, the synergetic polylactic acid master batches and dispersants, conducting spinning to obtain nascent fibers, and pulling and processing the nascent fibers to obtain the flame-retarding anti-microbial polylactic acid fibers.

A inner gear forming method can ensure no shortened cycle caused by material shortage even in inner gear forming to thin walled blank by plastic working. In the inner gear (W) forming method for forming cylindrical inner gear (W) by mounting blank (P) on the mandrel (2) which has gear form (2C) on circumference and pushing the depth drawing roller (1) to the blank (P), a depth drawing roller (1), which has arc sections (R1, R2) contacting with the blank (P) on two positions while the outside diameter (D2) of the second contacting arc section (R2) is smaller than that of the first contacting one, is used to form the cylindrical inner gear (W) by moving it along the direction along the axes (M) of the mandrel (2).

The invention relates to an aramid-spandex sheath-core composite fiber and a preparation method thereof. The method is characterized in that a sheath layer spinning solution and a core layer spinning solution are simultaneously extruded in a sheath-core structure and subjected to dry spinning through a spinneret plate assembly of which a spinneret orifice is in a concentric circle form. A sheath layer of the aramid-spandex sheath core composite fiber is made of an aramid 1313 and a core layer is made of spandex; the section of the fiber is of a concentric circle solid structure; the sheath layer accounts for 5-20% of total weight of the fiber; the prepared aramid-spandex sheath core composite fiber has high resilience and also has high temperature resistance, chemical resistance and wear resistance; and meanwhile, the problems that the sheath layer aramid 1313 fiber is not easy to dye, the sheath-core composite fiber is difficult to spin and mold and the contact interface of the sheath layer and the core is easy to peel off are solved.

The invention relates to a preparation method of a medium modulus polyvinyl alcohol (PVA) fiber. The invention is characterized in that the fiber comprises the following raw materials: 100 parts of PVA, 1-20 parts of montmorillonite and 400-800 parts of water. Compared with the process of high strength and high modulus PVA fiber, the preparation method of the PVA fiber provided in the invention has the characteristics of simple operation, low cost and greater environmental friendliness, thus being especially suitable for large-scale industrial production. The PVA fiber prepared by the invention has a linear density of 1.0-10.0dtex, dry breaking strength of 6.0-10.0cN / dtex, breaking elongation of 6-20%, and a Young's modulus of 110-200cN / dtex, thus being very suitable for application in the construction field or industrial fabrics.

In a golf ball comprising an elastic solid core, a mantle layer, and a resin cover having a plurality of dimples, the difference in Shore D hardness between the cover and the mantle layer is at most 10, and the dimples have a total volume of 280–350 mm3. This combination of features provides the golf ball with an excellent balance of rebound, spin and feel, and an outstanding total distance.

The invention provides a preparation method of antibiotic polylactic acid fibers. The method comprises the following steps: processing silver-containing inorganic ultrafine antibiotic powder, preparing antibiotic master batches by using the processed silver-containing inorganic ultrafine antibiotic powder and crushed polylactic acid slices, and carrying out blending melt spinning on the antibiotic master batches and polylactic acid slices. The antibiotic polylactic acid fibers prepared in the invention have the advantages of wide spectrum antibiosis, lasting washing resistance, good shape, excellent quality and biodegradability.

The present invention provides a baseball training aid that includes a ball having a core and an outer layer. The outer layer includes a pair of panels that are sewn together at its seams via stitching. The pair of panels is provided in a first color, wherein the seams and stitching are provided in a second color that contrasts with the color of the pair of panels. The seams are configured to be brightly colored to allow a user to better track the rotation and spin of a ball. Further, the stitching is also configured to be brightly colored to visually enhance the rotation and spin of the ball. In this way, the user can learn to recognize the rotation of a ball to increase the probability of hitting or catching the ball.

The invention relates to the technical field of mechanical equipment, and discloses a turntable mechanical automatic feeding manipulator, which includes a support base, a cavity is opened in the middle of the support base, and a drive motor is fixedly connected to the top of the inner wall of the cavity. The output shaft of the drive motor is fixedly connected to the axis of the first gear, the first gear meshes with the second gear, the second gear is fixedly sleeved on the surface of the rotating shaft, one end of the rotating shaft is connected to the first The inner wall of the bearing is fixedly connected. The turntable mechanical automatic feeding manipulator, through the setting of the driving motor, the first gear, the second gear, the rotating shaft, the first bearing, the rotating support plate and the second bearing, allows the manipulator to rotate better, thus solving the problem of The existing automatic feeding manipulator has the problem that the effect is not good when it is rotating, so that the occurrence of delay and deviation during feeding is avoided, so that the efficiency of material processing is higher.

The invention relates to an assembled connecting device for a dental implant, belonging to the technical field of dental implantation. The assembled connecting device is applicable to the patient who needs operative treatment and dental implantation caused by the tooth rebuilding, the tooth fracture, the periodontal disease and the tooth loss. The device comprises a tooth implanting nail, a connecting base table and a connecting screw nail, wherein the tooth implanting nail is connected with the connecting base table by the connecting screw nail; an implanting screw nail is externally provided with a bone thread section, the implanting screw nail is internally provided with an inner conical bore, a plurality of inclined lug bosses are arranged on the inner conical bore, the lower part of the inner conical bore is provided with a section of through hole, and the lower part of the through hole is provided with an inner screw thread to be matched with the connecting screw nail; the upper part of the connecting base table is provided with a denture connecting part, a gum crossing part is arranged in the middle of the connecting base table, and the lower part of the connecting base table is provided with an implanting tooth nail connecting part; and the implanting tooth nail connecting part is provided with a cone to be matched with the inner conical bore of the implanting tooth nail.

The invention discloses a fabric image retrieval method of a locally invariant texture feature based on a geometrical shape, comprising the following steps: 1, offline generating an index structure ofa fabric image database; 2, forming a user query: extracting a locally invariant texture feature based on the geometrical shape of a sample fabric image input via the user, and forming a query that the index database can be retrieved, wherein the step of extracting the locally invariant texture feature based on the geometrical shape is implemented according to the following steps: (1) conversionto a grayscale texture; (2) topographic map expression of the fabric image; (3) feature extraction: one is local expression of the image texture feature, the second one is an expression of structuralrelationship between nodes, and the third one is using a shape contrast feature to remove the influence of local contrast on features; (4) statistical expression of features; 3, calculating similarity, and outputting the result. The fabric image retrieval method provided by the invention proposes a locally invariant texture feature based on the geometrical shape, and the fabric image can be effectively retrieved by using the feature.

The invention relates to feather protein viscose filament yarn and a manufacturing method thereof. The invention belongs to the material field of textile industry. According to the invention, feather protein liquid and a cellulose sulfonate solution with a weight ratio of 1-40%:60-99% are adopted; the materials are subjected to static blending, spinning, solidifying, and post-processing, such that the feather protein viscose filament yarn is obtained. During the production process, a protein loss of the feather protein viscose filament yarn is lower than 30%. After 50 times of washing upon a finished product, a fiber protein loss rate is no higher than 5%. According to the invention, the feather protein viscose filament yarn is manufactured by using waste feathers. The fiber performance is good, the cost is low, and the raw material sources are wide. The filament yarn and the manufacturing method are beneficial for environment protection.

The invention relates to an artificial prosthesis of a long bone diaphysis tenon and mortise structure. A protruding face I and a rectangular protrusion I of a prosthesis proximal handle connecting part I are inserted into a strip-shaped groove II and a rectangular notch II of a prosthesis far-end handle connecting part II respectively, a protruding face II and a rectangular protrusion II of the prosthesis far-end handle connecting part are inserted into a strip-shaped groove I and a rectangular notch I of the prosthesis proximal handle connecting part I respectively, after a semicircular groove I of the prosthesis proximal handle connecting part I is in butt joint with a semicircular groove II of the prosthesis far-end handle connecting part II, a cylindrical counter bore is formed, tenon is inserted into the cylindrical counter bore formed in one end of the cylinder, and the tenon locks the connecting part I and the connecting part II together. Prosthesis fixation is firm and reliable, the operation is simple and convenient, the operation time is shortened, the operation effect and efficiency are improved, and operative complications are reduced. The artificial prosthesis can be widely applied to different defects of long bone diaphysis, the minimum osteotomy amount can reach 3.0 cm, and the maximum opportunity is provided for reserving normal bone tissue and joints as much as possible.

The invention provides an inhaler device for electric vacuum cleaner, which comprises a turbine capable of making the rotary brush rotate, and is capable of miniature. In the inhaler device, the dust containing air (including dust or the like) flows into a bent pipe from a connection portion after being inhaled into the housing from the inhaler port and flowing through a main inhalation wind passage. Moreover, the turbine rotates under the action the air flowing through the wind passage for the turbine, and making the rotary brush rotate. In the housing, the air flowing through the wind passage for the turbine converges with the dust or the like flowing through a main inhalation wind passage at the inner side of the connection portion of the bent pipe. Therefore, because that space can be saved by converging the dust or the like flowing through a main inhalation wind passage with the air flowing through the wind passage for the turbine, miniature of the housing and the inhaler device can be realized.

The invention discloses a melt-blown material additive and application thereof, and belongs to the technical field of assistants. The melt-blown material additive comprises the following raw materials in parts by mass: 50-300 parts of a main antioxidant, 200-500 parts of an auxiliary antioxidant, 300-600 parts of an acid acceptor and 400-1000 parts of high-temperature silicone oil. The melt-blown material additive provided by the invention has excellent anti-yellowing performance and melt index stability; the anti-fuming and anti-fading performance is excellent; certain antibacterial performance and electrostatic electret effect are achieved; a prepared melt-blown material is glossy and bright in appearance, good in spinning property, fluffy in silk and good in electrostatic adsorption effect; and glue dripping is avoided.

The invention discloses a household multifunctional shoe drying device. The shoe drying device comprises a supporting leg, wherein a shoe drying device body is fixedly mounted at the upper end of the supporting leg; a resistance wire is fixedly arranged in the middle of an inner cavity of a ventilation pipe; and a rotary clamping piece is fixedly arranged at the lower end of the ventilation pipe through a bearing. According to the shoe drying device, a shoe cabin is arranged in the inner cavity of the shoe drying device body and separated from an integral device, so that persistent internal shoe drying temperature can be well ensured and heat is difficultly dissipated; meanwhile a clamping head is arranged on a top cover and can be used for placing certain washed socks, small underskirts and the like, so that the shoe drying device can well achieve multiple functions and the space is saved; in a water-throwing process, water absorption sponge on the shoe cabin can well absorb redundant water, so that the convenience is brought for people; and the lower end of an upper cover is connected with a spiral air outlet pipe by utilizing the rotary clamping piece and the air outlet pipe works together with the bearing, so that self-rotation of the air outlet pipe can be well realized, the efficiency of the shoe drying device is improved to a great extent, and precious time is saved for residents.

A fuel pump is provided with an outer gear (30) having a plurality of inner teeth (32a), an inner gear (20) having a plurality of outer teeth (24a) and meshing eccentrically in an eccentric direction (De) with the outer gear, a pump housing (10) for rotatably accommodating the outer gear and the inner gear, an electric motor (4) having a rotating shaft (4a), and a joint member (60) for relaying the rotating shaft with the inner gear. The outer gear and the inner gear rotate while expanding and contracting the volumes of a plurality of pump chambers (40) formed between the two gears, whereby fuel is sequentially drawn into and discharged from the pump chambers. The inner gear has an insertion hole (27) recessed in the axial direction. The joint member has a main body part (62) that fits with the rotating shaft, a leg part (64) extending in the axial direction from the main body part and inserted into the insertion hole allowing a gap therebetween, and a protruding part (66) protruding from the leg part toward the rotationally advancing side of the inner gear and decreasing in width in the axial direction toward a peak part (66a).

The invention provides an electric dust collector. The sucking articles of the ground is in low cost and the electric dust collector is light weight and easy to operate, and the air flow entrance for driving rotary brush will not be blocked up, even though inserting into the narrow clearance in gesture of standing. A ratary brush (29) is freely set facing to main sucking port (24) and sub sucking port (24) in the shell (14) of sucking articles (5), and on the shell (14), at the state of sucking articles (5) standing, an air inflow entrance (33) of reelingly driving the air flowing of the ratary brush (29) at the position which is not bunting to the standing surface (300) such as wall surface.

The invention discloses a fall-proof U-shaped foot pin for an iron tower and a use method thereof. The fall-proof U-shaped foot pin for the iron tower comprises a U-shape foot pin and a limiting plate, wherein the U-shape foot pin is arranged on a steel frame of the iron tower, end 1 of an open end of the U-shaped foot pin is fixedly connected with the steel frame, end 2 of the open end of the U-shaped foot pin is connected with the lower portion of the limiting plate, the two ends of the open end of the U-shaped foot pin are vertically arranged, the upper portion of the limiting plate passes through the end 1, and fixedly connected with the steel frame together with the end 1 in close mode, and a limiting groove clamped on the steel frame is formed in the back side of the lower portion of the limiting plate. By using the U-shaped foot pin and the limiting plate, the fall-proof U-shaped foot pin for the iron tower can be conveniently and quickly installed on the steel frame, saves a process of manufacturing holes in the steel frame, and is convenient to assemble and unassembled and maintain. Especially for remolding of a traditional reinforcing steel bar foot pin, an existing installation through hole is used, and then the limiting plate and the U-shaped foot pin can be conveniently and quickly installed on the steel frame of the iron tower, remolding is easy, shinning safety of the traditional iron tower and reliability of the foot pin are greatly improved, remolding cost is low, and the fall-proof U-shaped foot pin for the iron tower further has the advantages of being simple in structure and low in cost.

The invention discloses wind energy storage hybrid power equipment for a new energy automobile, and the equipment comprises a controller and an air collecting pipe; the air collecting pipe is arranged in an air inlet channel at the front end of the new energy automobile, a cover plate is arranged at the front end of the air collecting pipe, an air inlet is formed in the cover plate, and a plurality of guide vanes distributed at equal intervals are arranged in the air inlet. According to the invention, the cover plate is arranged at the front end of the wind collection pipe, and the guide vanes are arranged on the cover plate; when the new energy automobile brakes, the guide vanes are opened, airflow flows into the wind collection pipe, then mechanical energy generated by wind energy is converted into electric energy through the power generation component and the power generation equipment. According to the invention, the equipment is arranged in the automobile, so wind resistance of the automobile can be reduced; meanwhile, energy is recovered when the new energy automobile brakes, energy consumption during normal driving is not increased, the advancing resistance of the automobile is increased when the new energy automobile brakes, energy is saved, and speed reduction of the automobile is facilitated.

The invention provides a transportation device and a substrate processing device which can reduce influences on a substrate by surrounding airflows when during transfer of the substrate. The transfer device (30a) is a device of a transfer substrate (90). The transfer device (30a) has a hand portion (313) maintaining the substrate (90), an elevating mechanism (32) enabling elevating of the hand portion (313) along a vertical direction, a rotation mechanism (33) enabling the hand portion (313) to rotate around a rotating axis in a vertical direction, a cover portion (34) rotating together with the hand portion (313) through the rotation mechanism (33) and a door portion (342). The hand portion is arranged in the cover portion (34). The transfer device (30a) has a first arm portion (311) and a second arm portion (312). Through making the hand portion (313) to move along a horizontal direction, the hand portion is enabled to move towards the inner side and the outer side of the cover portion (34) through an opening (OP) of the cover portion (34). The door portion (342) closes and opens the opening (OP) of the cover portion (34).

The invention discloses a vortex type flame combustion device. The vortex type flame combustion device comprises a nozzle, wherein the nozzle has a nozzle head, a nozzle body, a first air chamber and a second air chamber; the nozzle head and the nozzle body are detachably connected; the nozzle head comprises two air outlet ways; the first air chamber is communicated with the two air outlet ways; the second air chamber is communicated with the first air chamber; one end, far from the first air chamber, of the second air chamber can be connected with a fuel tank; a guide set is arranged at the outer periphery of the nozzle, and comprises multiple blades; all the blades are spirally and uniformly distributed in the peripheral direction of the nozzle; air guide channels are formed between every two adjacent blades for passing through air; a cover covers the guide set, and can transmit light; and the cover is communicated with the two air outlet ways of the nozzle head and the air guide channels of the guide set.

A training device for assisting a user in achieving a proper throwing motion of one or more baseball pitch types is provided. The device includes a main body with a central portion and first and second end portions provided on the upper and lower ends of the central portion to define an elongated cylindrical shape. The device can also include a guide strip provided on the exterior surface of the main body and extending vertically along the central portion. The device may by thrown by a user using the same form and mechanics as a traditional baseball and can be used to train proper throwing mechanics by allowing a user to visually identify the rotational axis of the pitch after release. The elongated shape and increased height of the device enables a user to easily identify the rotational axis and make adjustments until proper mechanics are achieved.

The invention provides a single ankle joint surface replacement system, which consists of a shin side face, a rotating core and a calcar side face, wherein the shin side face and the calcar side faceare made of metal or alloy materials, and the rotating core is made of polyethylene abrasion-resistant material. By using the structure, single ankle joint surface replacement can be achieved. The front part of the shin side face is connected with a sagittal position of the body at an angle, and the top part of the shin side face is a rough spraying surface or a non-polished metal surface; the bottom of the shin side face is a polished smooth surface. And the middle part of a body part is provided with a double-fin keel. The left diameter and right diameter and the front diameter and back diameter of the rotating core are smaller than that of the shin side face; the top of the rotating core is convex in sagittal position and coronal position, and the bottom of the rotating core is horizontal smooth plane. The polished horizontal smooth surface is arranged at the top part of the calcar side face, the non-polished metal surface is arranged at the bottom part, and the double-fin keel is arranged at the middle part of the bottom part. The system has the advantages of simple structure, convenient use, good ankle joint function, effective bone retention, effective improvement of initialstability and reduction of refurbishment rate.