87results about How to "High fiber density" patented technology

Non-woven fibrous scaffolds made by electrospinning from the synthetic biodegradable polymer such as, for example, poly(lactic-co-glycolic acid) (PLGA) and natural proteins, such as, for example, gelatin (denatured collagen) and elastin and a method of making thereof.

Disclosed is a reduced-diameter optical-fiber cable that possesses a high fiber count and a high cable fiber density.

A nonwoven fabric provided with concave/convex portions, and openings, which can be adjusted to densify only a part of the peripheral edges of the openings, without excessively increasing the fiber density in the convex portions and the concave portions. A fiber web can be moved to an area where the down-slanting wires of woven wire extending in the direction of width (WD), thereby forming a first side edge portion in the openings. The fiber web is hardly displaced to the opposite side edges of the first side edges, namely a second side edge portions.

An absorbent member (10) of the invention has a hydrophilic continuous fiber web (12) and lumpy particles of an absorbent polymer (13) held in the web (12). The absorbent polymer (13) is localized in part in a planar or thickness direction of the absorbent member (10). The continuous fibers in a region (M) in a planar direction of the web (12) where the absorbent polymer is distributed are in a state cut into a large number of staple fibers (122). A method of producing an absorbent member includes the step of spreading lumpy particles of an absorbent polymer (13) on a continuous fiber web (12) and pressing the continuous fibers in part of the web (12) onto the absorbent polymer (13) to cut the continuous fibers.

Disclosed is a package including an absorbent article and a packaging member. The packaging member is formed of a nonwoven fabric composed of thermoplastic fibers. The nonwoven fabric has a plurality of heat-fused portions arranged thereon in a predetermined pattern. The heat-fused portions are formed by pressing and heat-fusing the nonwoven fabric. The nonwoven fabric has a tensile strength of from 4.5 to 20 N/25 mm in MD and from 4.5 to 15 N/25 mm in CD and has a breathability resistance of at least 0.04 kPa-s/m.

The invention discloses a method for preparing air-laying cellucotton and cellucotton produced by the method. Taking low melting point fibers and other fibers as raw material, the cellucotton is produced by rough shape cutting, coarse opening, fine opening, air laying, hot binding and parting cut packaging, wherein the air laying is as follows: the loose fibers which are distributed evenly in a cotton box after fully mixed by the fine opening are further mixed by airflow and delivered by pressurized airflow to between the net forming curtain and the net forming roller to be formed into a required retiform structure. The preparing process has wide range of material selection, is suitable for not only all the raw materials adopted in the prior process, but also the plant fiber widely existing in the natural world which are not used in the prior art such as couch grass, reed, cornstock, straw and bagasse as raw materials, and the waste materials such as wood wool, crushed sponge and wool manufacturing crushed aggregates to reuse and regenerate; in addition, the preparing process has high production efficiency and low energy consumption, and produces the cellucotton with great improvement in the performance, thereby being applied to wider fields.

A scaffold for tissue culture and cell culture and for producing implant materials, in particular bone, cartilage or skin replacements or extra-corporal organ replacements or for other applications in medicine or biotechnology is made of biocompatible materials. It has at least one base material which is electrostatically flocked with fibers on at least one side. Through the electrostatic flocking the fibers are arranged almost perpendicularly on the surface of the base material and exhibits a high fiber pull-out resistance. The scaffold provides an elastic growth lattice, which is stable against compression, for cell colonization in vitro or the ingrowth of cells in vivo. Implants or implant materials can be produced with the scaffold.

Electrolytic capacitor for of a high voltage and a high capacity is provided, which is suited for an auxiliary power supply of a fuel cell vehicle. A cathode and an anode foil are arranged to face each other. A dielectric film may be provided on the surface of the anode foil. The anode foil and the cathode foil 4 are wound into a roll, with a compound separator including the first and second separators and arranged there between. In the compound separator, electrolyte is impregnated and conductive fine particles are dispersed in the second separator.

An optical ribbon (20) includes at least one optical fiber and a conformal coating at least substantially encapsulating said at least one optical fiber. The optical ribbon is flat and has a generally curved section (42) which can be routed around components (40) on a printed wiring board (22) or can be used as a built-in ferrule retermination loop.

The invention relates to a method for producing a pressure accumulator (1), in particular for storing hydrogen in motor vehicles. First, a pressure accumulator (1) liner (3) which has at least one pole cap (2, 2') is produced preferably by means of a plastic blow molding method, and the outside of the liner (3) is then provided, preferably braided, with a multi-ply reinforcing layer (9), which has reinforcing fibers (8). According to the invention, a fiber supply cap (10, 10') is applied on the pole cap (2, 2') prior to applying the reinforcing fibers (8), the outer surface of the fiber supply cap being spaced from the pole region (21, 21') of the pole cap (2, 2'). The reinforcing fibers (8) are applied onto the body of the liner (3) and in the pole region (21, 21') so as to correspond to the outer surface of the fiber supply cap (10, 10') while the reinforcing layer (9) is being applied such that the inner reinforcing layer (9) plies which are formed by the reinforcing fibers (8) are provided with a fiber supply (22) in the pole region (21, 21') on the basis of the distance between the outer surface of the fiber supply cap (10, 10') and the pole region (21, 21') of the pole cap (2, 2'). The invention also relates to a pressure accumulator (1) produced in a corresponding manner.

The invention relates to a double layer co-extrusion method for an extremely micro air-blowing optical cable. The method comprises optical fiber storage, optical fiber coloring, secondary coating, SZ intertwist, an oversheath process and a secondary coating process, wherein PC materials and PBT materials are respectively dried and extruded through different extruding machine units; through different distribution cones and channels in the unit heads, the PC materials are extruded from the inner layer of each loose tube; and the PBT materials are extruded from the outer layer of each loose tube. The double layer co-extrusion method utilizes the PC material and PBT material double layer co-extrusion technology to prepare an extremely micro air-blowing optical cable, and can enable the loose tubes of the optical cable to have the advantages of the two types of materials. By means of accurate control of the technical parameters, the double layer co-extrusion method can realize limit control of the geometric dimension of the optical cable and reduce the external diameter of the optical cable to the minimum theoretically, and has the advantages of being high in intensity of the optical cable, being small in the cable diameter and being light in mass, and is the best choice for air-blowing laying.

A papermaker's fabric including at least one system of warp yarns interwoven with at least first and second systems of weft yarns, with the weft yarns of the first system of weft yarns having a vertical dimension that is greater than a vertical dimension of the weft yarns of the second system. The fabric has a papermaking surface and a machine side surface, and in the papermaking surface, the yarns of the first system of weft yarns are interwoven with the warp yarns to provide groups of four weft yarn floats which form four corners of a box shape, the yarns of the second system of weft yarns are interwoven with the warp yarns so as to pass through the bottom of the box shape, and further provide support areas in pockets located adjacent to the box shapes, and at least one yarn from the second system of weft yarns interweaves with the warp yarns to occupy space in a center plane of the fabric so as to restrict or retard drainage and thereby increase a CPR of the fabric.

The invention discloses a double-layer knitted mooring rope. The double-layer knitted mooring rope comprises a rope core and an outer wrapping layer wrapping the outer layer of the rope core. The double-layer knitted mooring rope is characterized in that the outer wrapping layer is formed by knitting multiple thin ropes in a crossed mode, and each thin rope is formed by knitting multiple fibers in a crossed mode. According to the design, the knitted outer wrapping layer is higher in fiber compactness, the surface of the outer wrapping layer is smoother, the fiber drawing phenomenon is not prone to happening when friction is generated, and resistance during movement is reduced; meanwhile, the strength of the mooring rope is increased, the service life of the mooring rope is prolonged, and cost is reduced to a certain extent.

The invention relates to a method for UV (Ultra-Violet Ray) lustering of an offset press through hollowing lining papers, which has advantages of low production cost, high efficiency and improvement of service life of rubber blankets. The method specifically comprises the following steps of: choosing 3-6 pieces of lining papers, wherein the width of the lining papers is 750-800mm, the length is 1000-1100mm and the thickness of each piece of lining paper is 0.1-0.3mm; cutting the areas of the lining papers where corresponded to non-image parts of a print to form hollows, and reserving printing areas; according to the specification and the thickness of the papers of the print, calibrating the pressures among the ink rollers of all printing units, and then installing color sequence printing plate; flatly paving and correspondingly arranging the cut lining papers on the printing area of the rubber blanket, then installing the lining papers and the rubber blanket on a rubber roller, and then fixing and locking; choosing an anilox roller, starting a gloss oil after calibrating printing pressure, and then pumping UV gloss oil to a gloss oil chamber; adding ink to a printing color unit, then calibrating the pressures of the ink rollers and the printing pressure among the three rollers, and then starting the offset press.

To weld a filter made of a laser beam-transmittable fiber material to a case made of a laser beam-nontransmittable resin material by a laser beam the filter is first placed on the case; subsequently, the filter is pressurized by a jig to increase the fiber density of a welding portion; and then the welding portion is irradiated by the laser beam. In the step of increasing the fiber density, a periphery of the welding portion is pressurized by the jig to increase the fiber density of the filter in a larger area than the welding portion. Accordingly, the laser beam transmitting through the filter melts a part of the case, and the melted resin material permeates through gaps between the fibers constituting the filter, thereby welding the welding portion to the case.

The invention provides a melt-blown non-woven filter material, which is prepared by the following method: provide a polylactic acid raw material; dissolve the polylactic acid raw material into a DMF solvent; the polylactic acid electrospinning layer is prepared by electrospinning method using polylactic acid spinning solution as raw material; provide polylactic acid raw material again and provide polyphenylene sulfide raw material; and perform surface treatment. Polylactic acid raw material, polyphenylene sulfide raw material, nano-titania powder are mixed well with the processing assistant to obtain a mixture: the mixture is extruded into modified polylactic acid particles; then a modified polylactic acid melt-blown fiber layer is formed on the polylactic acid electrospinning layer by using the melt-blown method. The invention innovatively implements loading, nano-titania particles into the synthetic fiber, which makes the fiber material presented in this invention not only have filtering effects, but also have photocatalytic ability.

The invention discloses a self-supporting cicada-preventing butterfly cable which comprises an optical cable body. The optical cable body comprises an outer sheath, a communication unit and a reinforcer, and the outer sheath wraps the communication unit and the reinforcer; the communication unit comprises a winding optical fiber ribbon and two symmetrically arranged protection sheets, and the winding optical fiber ribbon is arranged between the two protection sheets; the two sides of the outer sheath are respectively provided with two tearing grooves, and the distance between the two tearing grooves at one side is greater than the width of the protection sheet, thereby solving the problem that the optical fiber attenuation exceeds the standard or the structure of the optical cable is damaged because cicadas are attached to the optical cable. The invention also discloses production equipment for processing the self-supporting cicada-preventing butterfly cable, the protection sheet pay-off rack is additionally arranged, and the extrusion molding die core and the extrusion molding die sleeve of the plastic extruding machine are improved so that the production process of integrated extrusion molding can be completed, the integrated molding of the novel optical cable is realized, and the production efficiency is relatively high.

The invention discloses a recombined bamboo timber composite board. The recombined bamboo timber composite board comprises a face board, a middle core board and a base board. The face board comprisesbamboo filaments arranged in parallel. The base board comprises second bamboo battens spliced in parallel. The middle core board comprises first bamboo battens spliced in parallel. Each bamboo filament is made of a material of a middle bamboo section. Each bamboo batten is made of a bamboo green part of the middle bamboo section. Each first bamboo batten comprises a bamboo tip bar made of a bambootip section and a bamboo root bar made of a bamboo root material. The invention further discloses a processing method of the recombined bamboo timber composite board. According to the processing method, intermediate layers and bamboo green layers of the middle bamboo sections are manufactured into the face board and the base board, the bamboo tip sections or bamboo root sections are manufacturedinto the middle core board, and then the face board, the base board and the middle core board are recombined into the complete composite board. According to the recombined bamboo timber composite board and the processing method thereof, the abandoned bamboo root sections and the abandoned bamboo tip sections and the bamboo green of the middle bamboo sections are used for manufacturing the recombined bamboo composite board. The utilization rate of bamboo is fully increased, and the material cost is saved. Layout and manufacturing are reasonable and ingenious. The structural strength and stability of recombined bamboo are improved.

The invention discloses a full-medium self-supporting micro-beam tube ADSS optical cable. The optical cable comprises an optical fiber bundle micro-beam tube body,a water stop tape layer and an outersheath which are sequentially arranged from inside to outside. The optical fiber is characterized in that the optical fiber bundle micro-beam tube body comprises optical fiber bundles and a micro-beamtube main body wrapping the optical fiber bundles,and the micro-beam tube main body is made of a thermoplastic polyester elastomer material; a full-dry water stop material is filled between the optical fiber bundles in the micro-beam tube main body. The full-medium self-supporting micro-beam tube ADSS optical cable can still guarantee a small outer diameter and a low optical fiber weight under the condition that the optical fiber density is high and the capacity is large,the optical cable connection time can be shortened by 50% or above,and the optical fiber has the advantages of being smallin size,easy to strip,easy to separate,low in weight,full in section and free of water seepage.