112 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 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.

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.

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.

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.

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.

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.

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 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.

The utility model relates to the field of viscose staple fiber production, in particular to a steam chamber type fluff forming groove which comprises a machine frame, a box body and a steam chamber, the box body is installed on the machine frame, and the steam chamber is installed on the lower portion of the box body. The box body is provided with a feeding hole, a filament distributor, a groove body, a spraying device, an exhaust system, a hair baffle and a discharging hole; a notch group is arranged at the bottom of the tank body, a pressing plate is arranged above the notch group, and a base plate is arranged between the notch group and the pressing plate; a steam chamber is connected below the bottom of the tank body; and the notch group is communicated with the steam chamber. The box type steam type is adopted, the problem of pressure decrease of the original tube nest can be solved through the arrangement of the groove opening set at the bottom of the groove body, the steam pressure is constant, the cooking effect is balanced, the yarn hanging phenomenon is greatly reduced through the spraying device, the felt generation effect is good, the efficiency is better, and the overall quality of the felt is improved.

The utility model relates to a presser support platform capable of reducing wrinkle, the presser support platform capable of reducing wrinkle includes platform main part, the platform main part includes box body, honeycomb hole plate, felt component and negative pressure fan, the box body top opening, felt component includes felt layer and sliding frame, felt layer installs in the sliding frame, sliding frame sliding installation is in the opening, honeycomb hole plate is laid to the box body inside, negative pressure fan bottom is equipped with negative pressure hole, negative pressure fan installs at negative pressure hole department, the utility model discloses felt layer provides certain elasticity and breathability, fabric can reduce wrinkle when being pressed down under the presser plate, felt layer is detachable installation, to facilitate the replacement of felt layer. Negative pressure fan produces negative pressure suction, makes the oil fume and water vapor that presser produces along felt blanket layer, honeycomb hole plate enter the box body inside, finally discharges from negative pressure hole.

The invention relates to the field of waste textile recycling, in particular to a felt based on waste spinning article regeneration and a preparation method thereof.The preparation method of the felt based on waste spinning article regeneration comprises the steps that waste spinning articles and low-melting-point chemical fibers are cut up and mixed and then pressed and formed in a mold; the compression molding is performed in a pre-pressing stage, a hot pressing stage and a pressure maintaining and cooling stage; the mode of gradient pressure and balanced pressure is adopted, low-melting-point chemical fibers located in the center of the mold flow towards the edge after being molten, and the problem that when general hot pressing adopts global pressure equalizing, the edge density of felt is obviously lower than that of a central area due to the fact that heat loss is fast and pressure transmission is attenuated in the edge area of the mold is better solved; the prepared felt has certain strength and hardness, can meet the use requirements of the prop display board, and is good in density and uniformity.

1. The name of this design product: Felt nest (curl). 2. Purpose of this design product: A warm nest for pets. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model discloses a glass fiber mat, and relates to the technical field of glass fibers. The felt cloth comprises felt cloth bodies, the left ends and the right ends of the felt cloth bodies are fixedly connected with first fixing strips and second fixing strips respectively, the first fixing strips and the second fixing strips on the surfaces of every two adjacent felt cloth bodies are connected in an inserted mode, and positioning assemblies used for limiting the second fixing strips are arranged at the tops of the inner walls of the first fixing strips. The felt cloth main body comprises a bottom layer, a reinforcing layer is fixedly bonded to the top surface of the bottom layer, a heat insulation layer is fixedly bonded to the top surface of the reinforcing layer, and the effect that the glass fiber felt can be conveniently and rapidly spliced and installed in the using process is achieved; other tools or adhesives are not needed, the connection strength after splicing is large, and the situation that the glass fiber felt is disengaged is avoided.

The utility model discloses a carding machine with a positioning structure for felt production, and belongs to the technical field of carding for felt production. A carding machine with a positioning structure for felt production comprises a fixing base, supporting foot bases and a vibration motor are arranged at the bottom of the fixing base, cloth assemblies are arranged on the inner walls of a plurality of movable limiting plates, and a fixing box and a positioning and leveling assembly are further arranged at the top of the fixing base. The friction force during back-and-forth movement is reduced by matching with the balls, so that the stacked materials can be more uniformly spread and fed in the process of vibrating and conveying the materials by matching with the material stirring rod and the vibrating motor, and material fibers can be uniformly carded; and positioning adjustment can be carried out through the first fixing baffle and the second fixing baffle according to the width of the felt, carded felt fibers can be leveled, and the attractiveness and the product quality of the felt are improved.

The application discloses a floor mat for heating and belongs to the technical field of heating carpets, which comprises a heating carpet body, wherein the heating carpet body further comprises a wear-resistant and stain-resistant layer, a first flexible protective layer, a heating layer, a heat insulation layer, a second flexible protective layer, a flexible leather surface layer with anti-skid, waterproof and wear-resistant properties and a silica gel sealing layer; the first flexible protective layer is attached to the wear-resistant and stain-resistant layer. In the application, the core heating layer is made of graphene material, which has the characteristics of rapid temperature rise and far infrared physiotherapy light wave release after being electrified, and can rapidly improve the microcirculation of the feet; the heat insulation layer made of high-density needle-punched non-woven fabric felt material not only locks heat and prevents heat loss to the ground to improve energy efficiency by virtue of the excellent heat insulation performance, but also endows the whole machine with the physical properties of softness and arbitrary curling like cloth, thereby completely solving the pain points of the traditional heating equipment, such as heaviness, rigidity and difficulty in storage, and enabling the heating carpet to be perfectly adapted to the flat laying and stepping foot warming scene.

The utility model discloses a lifting rib assembly and clothes processing equipment, the lifting rib assembly comprises a seat body, a cleaning part and a cleaning felt, and the cleaning part is mounted on the seat body; the cleaning felt is arranged on the surface, except the surface connected with the seat body, of the cleaning piece, and the cleaning felt is provided with dehairing teeth. The cleaning felt is arranged on the surface, except the surface connected with the base body, of the cleaning piece, so that the assembly can make contact with clothes in all directions when the clothes processing equipment operates, the contact area with hair on the clothes is greatly increased, and the hair cleaning efficiency is improved. The hair scraping teeth arranged on the cleaning felt can more accurately grab hair on the surface of the clothes, can penetrate into the texture of the clothes, effectively remove stubborn and attached hair, improve the cleaning degree of the clothes and improve the durability of the equipment.

The present application relates to the technical field of fiber felt, and proposes a fiber felt composite material, a preparation method and application thereof.The preparation method of the fiber felt composite material comprises the following steps: dipping the fiber felt in a gel precursor solution, aging, solvent replacement, drying, and obtaining the fiber felt composite material; the preparation method of the gel precursor solution comprises the following steps: A1, mixing a silicon source, a silk fibroin solution, inorganic short fibers, a surfactant and a solvent to obtain a preliminary mixture; A2, after mixing the preliminary mixture with an acid solution, adding an alkali solution for continuous mixing to obtain the gel precursor solution.Through the above technical solution, the problem of poor strength of the fiber felt composite material in the related art is solved.

An apparatus for the entry and exit of a fabric from an isolated container, the internal atmosphere of which is different from that of the external environment, comprising: a container defining a cavity suitable for receiving said fabric inside, having an access channel for said fabric which communicates with said cavity and with a slot of a base element; a roller having an outer rubber coating; a felt interposed between the outer rubber coating of the roller and the base element, wrapped at least partially on said outer rubber coating, having an inner airtight layer, which is located below the outer surface of the felt which is in contact with said fabric, on the side opposite the outer rubber coating of the roller. Advantageously, during the work, the roller is arranged to abut against the slot at the central portion of the recess of the base element, to compress the rubber coating and the felt, deforming them so as to completely wrap the fabric, isolating the internal of the container from the external environment.