156 results about "Felted" patented technology

The invention provides a vacuum bag packaging method for composite material forming, and belongs to the technical field of aero-engine nacelle composite material autoclave forming. After the prepreg is laid, a layer of strippable cloth is laid on the prepreg; air-permeable felt strips fixed to the upper surface of the mold are arranged between the side edges of the prepreg and the air exhaust holes, air-permeable wool top felts are arranged on the two sides of the prepreg, the length direction of the air-permeable felt strips extends in the length direction of the prepreg, and the upper surfaces of the air-permeable felt strips and the side faces, back to the prepreg, of the air-permeable felt strips are covered with first adhesive demolding cloth; the upper surface of the mold is covered with a vacuum bag, the vacuum bag is covered with prepreg, breathable felt strips, strippable cloth and air exhaust holes, and the surface of the vacuum bag is connected with the upper surface of the mold in a sealed mode; and placing the mold in an autoclave for molding. By means of the treatment scheme, the maintenance cost of the mold air exhaust hole is reduced.

The invention belongs to the technical field of court ground materials, and particularly relates to a ground material of a ground throw court and a preparation method thereof. The ground material of the ground throwing field comprises the anti-skid surface layer, the elastic buffer layer and the sound insulation layer from top to bottom, and has excellent sound insulation, impact resistance and wear resistance. The polyvinyl butyral bonded acrylic sound insulation felt and the jute fiber board are used as a sound insulation felt composite material to be laid on the surface of the base layer, so that the sound insulation effect of the ground of the ground throwing field is enhanced, boric acid and phenylboronic acid are compounded to react with siloxane, and reinforced gel prepared by adding a reinforcing material has excellent shear hardening and thermal stability, so that the sound insulation effect of the ground of the ground throwing field is improved. An elastic reinforcing material is prepared by compounding alkali-treated straw fibers and a reinforcing body prepared by compounding the alkali-treated straw fibers and a hydrophobically modified sponge framework, and has remarkable creep resistance and excellent impact hardenability, and the esterified straw fibers prepared by reacting the alkali-treated straw fibers with citric acid are used as a toughening agent to be added into wear-resistant elastic microspheres prepared by rubber, so that the wear-resistant performance of the wear-resistant elastic microspheres is greatly improved. The material has excellent wear resistance, light weight and aging resistance.

The invention discloses a self-repairing waste felt-based carbon fiber electromagnetic shielding concrete structure and a design method, and relates to the field of protective engineering building materials and multifunctional concrete structural design, the self-repairing waste felt-based carbon fiber electromagnetic shielding concrete structure comprises a base material, waste felt-based carbon fibers, hollow glass microsphere cell bodies and a synergistic enhancement mechanism, the base material comprises cement, silica fume, quartz sand and a high-efficiency water reducing agent, the waste felt-based carbon fibers are crushed to the particle size of 50-100 meshes, the crushed waste felt-based carbon fibers are modified by a specific silane coupling agent and then are uniformly dispersed in the ultra-high performance concrete base, graphene or carbon nanotube conductive particles are combined and doped, and the ultra-high performance concrete is prepared. A continuous three-dimensional conductive network is formed, the electromagnetic shielding effectiveness in the wide frequency band of 1-40 GHz reaches 30 dB or above, compared with a traditional metal shielding layer, the weight is reduced by 60%, the cost is reduced by 50%, and meanwhile the problem of metal corrosion is avoided.

The invention relates to the technical field of automobile roof production, and particularly discloses an energy-saving PET automobile roof and a production process thereof. The energy-saving PET automobile roof comprises a fabric layer, an adhesive film, a glass fiber surface felt layer, a modified PET foam layer, a glass fiber surface felt layer, an adhesive film and a non-woven fabric layer which are sequentially connected, and the modified PET foam layer is prepared from, by weight, 45-60 parts of polyester and 2.95-5.61 parts of reinforcing agent. The reinforcing agent comprises nano cellulose whiskers, modified carbon nanotubes and modified glass fibers; in addition, the preparation method provided by the invention has the advantage of reducing energy waste in the production process of the PET automobile roof.

A method for producing a lining hose (1) with an integral, preferably felt or fleece-laminated, circumferentially closed inner film hose (2) and a fiber tape layer (4) impregnated with a curable reaction resin arranged thereon for lining channels and pressure and / or drinking water pipes, is characterized by the following process steps: Inserting a mandrel (6) with a winding tongue (8) arranged thereon into a first leading end of the inner film tube (1), p Arranging the mandrel (6) with the inner film tube (2) surrounding it on the bearings (12), in particular sliding surfaces or rollers of a guide track (10) for the inner film tube (2), Moving the inner film tube (2) by means of a transport device (12) over the mandrel (6) and the winding tongue (8), Generating a magnetic force (F) between the mandrel (6) arranged inside the inner film tube (2) and a magnetic holding device (14) arranged outside the inner film tube (2), wherein the holding device (14) is designed to fix the mandrel (6) in an axial position and / or to urge the mandrel (6) against the bearings (12), in particular the sliding surfaces and / or rollers of the guide track (10), while the inner film tube (2) is moved over it, and Overlapping, helical wrapping of the inner film tube (2) continuously moved over the mandrel (6) and the winding tongue (8) with at least one resin-impregnated fiber band (4a). The invention further relates to a device for carrying out the method.

A clothing or seamed felt for a pressing section of a machine producing a fibrous web includes at least one base structure and at least one staple fiber layer is disposed on the base structure. The staple fiber layer is disposed on a side facing the fibrous web and / or the machine. At least one seam zone has seam loops connected to one another by at least one pintle or seam wire making the clothing endless. The staple fiber layer is divided in the region of the seam zone by at least one cut forming a seam flap and a seam wedge or gusset. At least one connecting element is inserted between the seam flap and the seam wedge. The connecting element is materially connected, in particular welded, to staple fibers of the seam flap and / or of the seam wedge. A method for using the clothing is also provided.

The invention discloses a super wear-resistant mute felt material and a preparation method thereof. The felt material comprises the following preparation raw materials in percentage by mass: 30-70% of nylon fiber / bio-based polyamide fiber; 6-15% of graphene polyester fiber; 20-60% of polypropylene fiber; the thickness of the felt material ranges from 1 mm to 24 mm, and the gram weight ranges from 300 gsm to 2400 gsm. According to the invention, the material ratio is optimized, the performance advantages of each component material are fully exerted, the bio-based material and the environment-friendly finishing agent are selected, the influence on the environment is reduced, the interwoven structure and porosity among the fibers are improved by adjusting the physical characteristics of the fibers, such as thickness, length and cross section shape, the attraction coefficient can reach 0.72-0.81, and the mechanical properties of the fibers are improved. The felt has the advantages that the felt is high in wear resistance, can resist reciprocating wear for 200,000 times at most, can effectively control sound absorption, sound insulation balance and super wear resistance, is endowed with excellent waterproof, oil-proof and antifouling properties, can be applied to various occasions, and has a good application prospect.

The utility model relates to the technical field of felt compaction, and discloses a felt compaction device which comprises a platform, side pieces are arranged on the two sides of the platform, after a displacement plate is pushed and pulled, displacement pieces are matched with the side pieces to move towards the middle of the platform, and at the moment, rollers can be attached to the two sides of felt materials on a conveying belt. The felt materials are positioned when being compacted and conveyed on the conveying belt, so that the problem that the felt materials deflect when being pressed is avoided; after a sliding plate is pressed downwards, an air suction part can be attached to the top of the conveying belt, then when a driving motor drives a threaded shaft to rotate, a telescopic electric cylinder can be driven to move through a displacement block, and then a transverse plate is matched with the sliding plate to achieve displacement of the air suction part on the top of the conveying belt; and the air suction port of the air suction piece conveys the felt scraps to the intercepting piece through the connecting pipe to be intercepted by the filter screen, so that the felt scraps on the conveying belt can be cleaned, and the inconvenience of manually cleaning the top of the platform by using a tool is avoided.

This invention provides a fully automatic cold rolling equipment for producing copper strip, belonging to the technical field of fully automatic cold rolling equipment for producing copper strip. It includes: a main body, mounting plates, mounting frames, a cleaner, a waste trough, and an electric cylinder. Mounting plates are respectively installed on the upper and lower front sides of the main body. Mounting frames are installed on the inner sides of each mounting plate. Electric cylinders are installed on the front sides of each mounting frame. A cleaner is installed on the rear side of each mounting frame. The cleaner consists of a felt layer and a fiber cloth layer. A waste trough is installed on the inner side of each mounting frame. The cleaner, driven by the electric cylinder, presses against the roller surface from the side of the work roll end. The felt layer scrapes off large copper shavings, the fiber cloth layer cleans residual oil, and the waste trough collects the waste material. This system is interlocked with the main drive motor, achieving automatic online cleaning without stopping the machine. This effectively improves the surface quality of the copper strip and production efficiency. The structure is compact and easy to install and modify on existing equipment.

A drum sealing gasket of a washing and drying machine is disposed on an end of a drum. The drum sealing gasket includes a band-shaped belt manufactured by cutting a felt in which natural fiber and synthetic fiber are mixed. A finishing space is formed by folding both peripheral portions of the belt and sewing the peripheral portions to the body of the belt with an adhesive-coated sewing thread. An extension is formed on one of the folded peripheral portions to cover a portion of the other of the folded peripheral portions. A flexible band is added and sewn to the surface of the extension with an adhesive-coated thread. Both ends of the belt are bound without a height difference.

The invention discloses a maintenance device and method for building structure concrete construction. The maintenance device comprises a supporting plate, the inner wall of the supporting plate is rotationally connected with a film covering structure, the inner wall of the supporting plate is fixedly connected with a humidifying structure, and the outer wall of the supporting plate is fixedly connected with a pressing structure; the invention relates to the technical field of concrete construction and maintenance, according to the film covering structure, the humidifying structure and the pressing structure, felt cloth laying, humidifying, surface compacting and fixed-length cutting can be completed through cooperation of a first supporting roller, a second supporting roller, a first guide roller and a second guide roller on a supporting plate, and through rotation control of a valve shaft and a water outlet hole, the film covering structure can be used for covering the surface of the felt cloth. The water outlet amount is adjusted according to needs, controllable water supply is achieved, a pressing roller is tightly attached to the surface of concrete through cooperation of a supporting rod, a rotating rod and a torsion spring, a cutter is pressed through cooperation of a sliding groove, a sliding rod, a sliding block and an extension spring, the sliding block drives the cutter to move downwards, the cutter and a cutting block fixed to the bottom of a supporting plate extrude, and felt cloth is cut off.

The utility model relates to the technical field of knitting machines, in particular to a felt frame for a high-speed multi-axial warp knitting machine, which comprises a bracket, rollers are arranged at the bottom of the bracket, and the bracket is movably arranged on the ground through the rollers; the two chucks are arranged on the bracket and located at the two ends of the bracket in the length direction. The air expansion shaft is arranged between the two chucks, the air expansion shaft is horizontally arranged, and the felt is arranged on the air expansion shaft. According to the utility model, the bottom of the bracket is provided with the rollers, so that the bracket can move on the ground through the rollers. The felt frame can be adjusted according to actual requirements to ensure that the felt frame is aligned with the position of the warp knitting machine, felt wrinkles and deviation are avoided, the felt is arranged on the air swelling shaft, and the felt is ensured to always keep proper tension in the guiding and feeding process through the tension control function of the air swelling shaft, so that wrinkles and deviation are reduced, and the quality of the felt is improved. The problems of wrinkles and deviation occurring in the felt guiding and feeding process of an existing high-speed multi-axial warp knitting machine can be effectively solved, and the production efficiency and the product quality are improved.

1. The name of the product of this design: Felt decorative product (moonlight in the eyes). 2. Purpose of the product of this design: felt decorative product. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

A felt composition comprising 100% cotton, wherein the 100% cotton is used in an amount ranging between 30% to 40% by weight; polyethylene terephthalate fiber, wherein the polyethylene terephthalate fiber is used in an amount ranging between 15% to 25% by weight; low melting point fiber, wherein the low melting point fiber is used in an amount ranging between 28% to 38% by weight; and melamine polyphosphate, wherein the melamine polyphosphate is used in an amount ranging between 10% to 20% by weight of the felt composition.

The application relates to the technical field of cloth processing, in particular to a cloth cutting device which comprises a machine box, a cloth carrier, a control unit, a fixing mechanism, a carrier conveying mechanism, a vacuum adsorption mechanism, a double-module cutting mechanism and a slitting and discharging mechanism. The cloth carrier is provided with a rigid conveying plane, the rigid conveying plane is provided with a felt layer, the bottom surface is provided with a plurality of independent adsorption areas, the carrier conveying mechanism is provided with a clamping and conveying assembly, a lifting assembly and a connecting assembly, the vacuum adsorption mechanism is provided with an air extraction structure and a plurality of adsorption assemblies, the double-module cutting mechanism is used for cutting, punching or line drawing of cloth located on the cloth carrier, and the slitting and discharging mechanism is used for slitting and discharging and cleaning of residual chippings. The application has the advantages of compact structure, small space, high efficiency, high precision, high stability, long service life, low use cost, easy maintenance, energy saving and environmental protection, automatic feeding and discharging, automatic cleaning of residual chippings, automatic slitting of cloth edge allowance and great saving of manpower and material resources.

The utility model relates to the technical field of drawing frames, and discloses an anti-blocking device for a drawing frame, the anti-blocking device comprises a U-shaped frame arranged at an inlet of the drawing frame, two rotating shafts are rotatably mounted in the U-shaped frame, the two rotating shafts are both fixedly sleeved with hair collecting roller sleeves, felt is detachably mounted and fixed on the two hair collecting roller sleeves, and the hair collecting roller sleeves are fixedly sleeved with the felt. A driving assembly is arranged on the front side of the U-shaped frame and used for controlling the two rotating shafts to rotate relatively, and two dust suction hoods with the bottoms being open are fixedly installed in the U-shaped frame. Compared with the prior art, the device has the following advantages and effects that the adhesion effect of the felt is matched with the negative pressure dust collection effect, a dual protection mechanism is formed, short fibers, fluff and other impurities on the surfaces of fiber strips can be comprehensively and efficiently cleaned away, the blocking phenomenon caused by accumulation of the impurities at an inlet of the drawing frame is avoided, the impurities cannot enter the drawing frame easily, and the service life of the drawing frame is prolonged. Therefore, smoothness of a fiber rod conveying channel at the inlet of the drawing frame is guaranteed, and stable and efficient operation of the drawing frame is guaranteed.

The invention relates to the technical field of fiber felts, and provides a fiber felt composite material and a preparation method and application thereof.The preparation method of the fiber felt composite material comprises the following steps that fiber felts are soaked in a gel precursor solution, aging, solvent replacement and drying are conducted, and the fiber felt composite material is obtained; the preparation method of the gel precursor solution comprises the following steps: A1, mixing a silicon source, a silk fibroin solution, inorganic chopped fibers, a surfactant and a solvent to obtain a primary mixture; a2, acid liquor is added into the primary mixture for mixing, alkali liquor is added for continuous mixing, and a gel precursor solution is obtained; by means of the technical scheme, the problem that in the prior art, the fiber felt composite material is poor in strength is solved.

To provide an aroma oil-impregnated component that can suppress oxidative deterioration and changes in fragrance over time. [Solution] The aroma oil-impregnated member 1 comprises a felt body 2 and aroma oil. The felt body 2 is made of animal fiber or cotton. The animal fiber is preferably wool. The aroma oil is impregnated into the felt body 2. The aroma oil-impregnated member 1 may further have a holder 3. The holder 3 holds the felt body 2 in a breathable manner. The aroma oil-impregnated member 1 can be suitably used in aroma diffusers or air conditioning equipment.

1. Method and needling device for producing a felt, in particular a press felt for a paper machine, wherein the method comprises the following steps: a. Providing a basic structure, in particular a woven basic structure b. Arranging at least one first layer of nonwoven fabric on one side of the basic structure c. Needle-punching of the first nonwoven layer with the base structure in a first needle-punching d. Needle-punching of the first nonwoven layer with the base structure in a second needle-punching, forming a nonwoven overlay, wherein the first needle-punching is carried out by mechanical needle-punching, and the second needle-punching is carried out by water jet needle-punching.

The utility model relates to the technical field of felt cloth felt positioning, in particular to an auxiliary felt cloth positioning and laying device in a beam area, which is arranged on a blade root platform and a tip platform and comprises an unwinding shaft, a support and a bearing bush groove, and bearings are arranged at two ends of the unwinding shaft. The two supports are arranged perpendicular to the unwinding shaft and located at the two ends of the unwinding shaft. The bearing bush groove is formed in the top of the bracket; the bearing is embedded into the bearing bush groove; wherein scales are arranged on the outer ring of the unwinding shaft, a check block is arranged on one side of the unwinding shaft, an edge blocking block is arranged on the other side of the unwinding shaft in a sliding mode, a threaded hole is formed in the outer ring of the edge blocking block, a bolt is arranged in the threaded hole, and an infrared device is arranged on the edge blocking block. The felt unwinding device has the advantages that the stopping block and the edge blocking block are arranged on the unwinding shaft, the position can be adjusted according to the width of felt cloth, the infrared device arranged on the edge blocking block ensures that the deviation phenomenon cannot occur in the felt unwinding process, and the accuracy of felt unwinding is ensured.

The present invention provides a method for preparing a MXene-based flexible force-sensitive nonwoven sensing fabric, comprising: preparing a MXene solution, including dissolving MXene in deionized water to prepare the MXene solution; pre-treating animal hair to remove impurities on the surface of the animal hair; repeatedly coating the pre-treated animal hair with MXene and drying it to form MXene-coated animal hair fibers; further treating the MXene-coated animal hair fibers to obtain a flexible force-sensitive nonwoven sensing fabric to be encapsulated; self-encapsulating the flexible force-sensitive nonwoven sensing fabric using a felting method to obtain animal hair felt; and evenly laying pure animal hair fibers on the animal hair felt for post-processing to obtain a MXene-based flexible force-sensitive nonwoven sensing fabric. Also provided is a force-sensitive fabric sensor, including a MXene-based flexible force-sensitive nonwoven sensing fabric prepared using the MXene-based flexible force-sensitive nonwoven sensing fabric preparation method; and a typical application of the force-sensitive fabric sensor in physiological signal monitoring.

Methods and compositions for improving a papermaking process are provided herein. The compositions include, for example, an oil, an emulsifying surfactant, and a formulation aid. The methods may include adding an effective amount of the composition to a foraminous surface and contacting the foraminous surface with a furnish. Water may be drained through the foraminous surface, thus forming a sheet on the foraminous surface, which may be transferred to a felt, a belt, a fabric, or elsewhere.

The present invention discloses a composite structural felt for covering a tennis ball and a preparation method thereof, and belongs to the field of tennis sports products. The technical solution adopted by the present invention is that the composite structural felt for covering a tennis ball includes elastic woven fabric, elastic non-woven sheet layer, and felt in sequence from the inside to the outside at the point where the ball core is attached, and the layers are connected by needle punching to form a composite structural felt blank, and then the composite structural felt blank is post-processed. The composite structural felt obtained by the preparation method of the present invention has the advantages of reducing hair loss and reducing the "hair blasting" phenomenon caused by static electricity when the tennis ball contacts the rubber field. At the same time, the entire composite structural felt has a certain elasticity, which can slow down the phenomenon of cracking of the felt at the bonding boundary line caused by the deformation of the ball, and reduce the probability of wrinkles forming at the boundary of the composite structural felt during the bonding process.

The invention relates to an installation for producing a 3D fabric from nonwoven fibers, particularly felt, comprising a device (8) for depositing a mixture of substantially unbonded fibers, in the form of a base layer (5), onto an air-permeable, particularly perforated, conveyor belt. The base layer is conveyed to a zone (2), called the supply zone, which is arranged in front of at least one nozzle (3) for supplying additional fibers. The fiber supply nozzle deposits additional fibers onto the base layer to form, in at least one region thereof, at least one additional layer (6) in order to obtain a three-dimensional or 3D preformed layer with a thickness and / or mass per unit area that can vary spatially. The 3D preformed layer is subsequently conveyed to a consolidation element (7) to consolidate it into the finished 3D fabric, the thickness and / or mass per unit area of ​​which can also vary spatially.The installation is characterized in that suction means are provided arranged so as to suction the air contained in the base layer to keep said base layer on the conveyor belt in the supply zone, and at least one nozzle (3) is an injection nozzle that supplies the additional fibers by spraying or injection through an air stream.

The slope protection structure for the water conservancy project comprises an integral type bottom layer, a felt cloth layer is laid on the integral type bottom layer, and a plurality of slope protection reinforcing bodies which are transversely connected are laid on the felt cloth layer. The slope protection reinforcing body is a plate of a polygonal structure, and a planting groove is formed in the center of the slope protection reinforcing body and used for planting greening vegetation. The utility model relates to the technical field of water conservancy slope protection structures, in particular to a slope protection structure for a water conservancy project, which adopts a porous composite slope protection structure, not only ensures the water locking property, but also improves the isolation characteristic and is more anti-scouring through a double-bottom-layer structure of non-woven geotechnical cloth and a felt cloth layer, and slope protection reinforcing bodies connected into a network are arranged on the double-bottom-layer structure. And through the flow guide grooves formed in the slope protection reinforcing body, the rainwater interception effect is improved, and it is guaranteed that the growth moisture of green plants under the composite structure is fully guaranteed.

The utility model provides felt and slippers, and belongs to the technical field of slippers. The felt comprises a first felt layer, a textile layer and a second felt layer which are stacked; the textile layer is provided with a plurality of meshes; one side, facing the textile layer, of the first felt layer at least partially penetrates through the meshes and is arranged between the textile layer and the second felt layer; one side, facing the textile layer, of the second felt layer at least partially penetrates through the meshes and is arranged between the textile layer and the first felt layer. According to the felt provided by the utility model, one part of the first felt layer and one part of the second felt layer penetrate through the meshes, so that the first felt layer and the textile layer are in interwoven connection, and the second felt layer and the textile layer are in interwoven connection; therefore, the first felt layer, the second felt layer and the textile layer are interwoven and pulled, the overall tensile strength of the felt is improved, and the stability and durability of the shape of the felt are improved.

1. Name of the designed product: yak fur hanging ornament (pure beauty of wool). 2. Use of the designed product: the designed product is used for decoration. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best indicating the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The utility model discloses an uvioresistant super-soft foot pad carpet which comprises a carpet body, an edge sealing structure is arranged on the outer wall of the periphery of the carpet body, the edge sealing structure comprises edge sealing cloth strips, the edge sealing cloth strips are fixedly connected to the periphery of the carpet body and used for protecting the carpet body, the carpet body comprises a carpet surface layer, and a felt layer is fixedly connected to the lower surface of the carpet surface layer. The carpet further comprises sewing threads, the sewing threads penetrate through the edge sealing cloth strips and the carpet body, the edge sealing cloth strips are fixed to the outer wall of the periphery of the carpet body through the sewing threads, the surface layer of the carpet surface layer is formed by weaving anti-ultraviolet fiber materials, and the upper surface and the lower surface of the felt layer are fixedly connected with PE bonding layers. The felt layer is fixedly connected with the carpet surface layer and the fiber anti-skid layer through the PE bonding layer, and anti-skid particles are arranged on the lower surface of the fiber anti-skid layer. The anti-ultraviolet foot pad carpet has the advantages that the anti-ultraviolet performance of the foot pad carpet is improved, the service life of the foot pad carpet is prolonged, and the attractiveness of the foot pad carpet is guaranteed by weaving the anti-ultraviolet fiber materials.