356results about How to "Not easy to warp" patented technology

The invention relates to a terrestrial heat composite floor board and a method for manufacturing the same. The method comprises the following processing steps: step A, preparation of face veneer, which is to process face veneer raw materials into sheets, and dry and balance the sheets; step B, preparation of middle veneer, which is to process middle veneer raw materials into sheets, and dry and balance the sheets; step C, preparation of bottom veneer, which is to process bottom veneer raw material into sheets, and dry and balance the sheets; step D, glue spreading; step E, blank assembling, which is to arrange the face veneer, the middle veneer, and the bottom veneer longitudinally, transversely, and longitudinally respectively according to wood grains; step F, hot pressing, which is to put the face veneer, the middle veneer, and the bottom veneer into a hot press to perform hot pressing; step G, conditioning, which is to put the floor board after the hot pressing and gluing into a balancing storeroom with constant temperature and humidity to keep stand and perform balance conditioning; step H, securing thickness and sanding; step I, mortice opening; step J, back trough opening; and step K, surface finishing, which is to adopt a roll painting process to lacquer the glued floor board. The composite floor board manufactured by the method has the characteristics of beautiful surface, hardness, wear resistance, good heat conductivity, high flexibility, and humiture change resistance.

The invention discloses a heat radiation structure of a circuit module and an outdoor unit of a variable-frequency air conditioner. The heat radiation structure comprises a circuit board (1), a mounting support (2), electronic devices (3) and a heat radiator (4), wherein the electronic devices penetrate one side of the mounting support to be connected with a circuit board on the other side, and the heat radiator is abutted against the surfaces of the electronic devices; a zigzag structure (21) used for reducing mutual contact area is formed on the contact surface between the circuit board and the mounting support. Furthermore, the heat radiation structure comprises an electric control box (5), various parts are sequentially stacked in the electric control box, the heat radiator extends out of the electric control box, and an air inlet passage (7) facing the heat radiator is formed on the electric control box. The heat radiation structure is mounted in a case (9) via the electric control box and close to an air wheel (12) of the outdoor unit. With the zigzag structure, water accumulation is well prevented; with the mounting structure and the air passage, heat radiation effect of the heat radiator is well improved so as to radiate heat on the surface of the circuit board.

The invention discloses an asymmetrical light diffusion element and a manufacturing method thereof, wherein the diffusion element is a light transmission film subject to stress extension, and the material of a substrate is mixed with diffusion grains made of different materials; an anisotropic film layer is formed by means of the process of stress extension and has the property of birefractive diffusion; an asymmetrical up-and-down structure is formed on the surface structure of the film layer by means of extrusion or multi-layer co-extrusion and extension, therefore, light passing through the diffusion element is diffused and then forms uniform light, has an anisotropic refractive index difference and can generate the effect of partial polarized scattering; wherein a better embodiment of the diffusion element comprises: a mould is prepared to be used for manufacturing the basic surface structure needed by the asymmetrical diffusion element, the body of the substrate with a surface micro-structure is manufactured by means of a roller wheel transfer printing process, and the body of the substrate undergoes the change of refractive index and the deformation of the basic structure by means of the stress extension process.

The invention relates to a cross-linked polyolefin composition for rotational molding and a preparation method thereof, belonging to the field of cross-linked polyolefin composition for rotational molding. The cross-linked polyolefin composition comprises a component A and a component B, wherein the component A comprises 100 weight parts of linear low density polyethylene (LLDPE), 50-100 weight parts of high density polyethylene (HDPE), 2-5 weight parts of cross-linking agent, 0.2-1.0 weight parts of nucleating agent, and 0.2-1.0 weight parts of lubricant; and the component B is high density polyethylene, and the ratio of the component A to the component B is 90:10-95:5. According to the invention, optimum crosslinking degree is achieved and high hardness and difficulty in warpage are guaranteed by selecting the basic resin, and the addition of the nucleating agent is beneficial for reducing product bubbles; products produced by using the composition of the invention has smooth internal and external surface, easiness in mold stripping, high crosslinking degree, and good comprehensive properties.

The invention discloses an all-solid mixed-potential NOx sensor prepared on the basis of spark plasma sintering technology. The NOx sensor consists of an electrolyte layer, a sensing electrode layer, a reference electrode and a working electrode, wherein the multilayer composite consisting of the electrolyte layer and the sensing electrode layer is directly sintered by the spark plasma sintering technology; and the reference electrode layer and the working electrode layer, which have screen pores, are directly printed in the centers of the upper and lower surfaces of the composite by screen printing. As the NOx sensor is manufactured by the spark plasma sintering technology, the sensing electrode layer and the electrolyte layer of the sensor are well combined without problems of flying up, cracking and the like and have the characteristics of good repeatability, stable performance, simple manufacturing process, short manufacturing period, small volume, quick response and the like. The NOx sensor of the invention can detect NOx concentration ranging from 1 to 75 percent and give a response within 2 minutes and is suitable for the detection of the NOx concentration in a wide range.

The invention relates to the field of architectural decoration materials, in particular to a self-adhesion cork floor board which comprises a wear-resistant layer, a decorative cork layer and a cork base layer, wherein the cork base layer is a mounting layer; and a pressure-sensitive adhesive layer with transfer protective paper is adhered to the mounting surface of the cork base layer. The invention also relates to a suspension type self-adhesion cork floor board based on the same concept, which comprises a wear-resistant layer, a decorative cork layer, a cork base layer, a fiber board tongue-and-groove layer and a cork balancing layer, wherein the cork balancing layer is a mounting layer, and a pressure-sensitive adhesive layer with transfer protective paper is adhered to the mounting surface of the cork balancing layer. The floor board or wallboard in the invention has the advantages of accurate positioning during installation, high convenience and speed, labor saving, time saving and high efficiency; the invention does not need to coat adhesive on site, thereby having the advantages of environmental protection and sanitation and having little effect on construction sites and household environment; the invention can not easily contaminate the board surface in the mounting process, and the board surface can be easily cleaned and maintained; and the invention can not easily deform, tilt or crack in the use process, thereby having the advantage of long service life.

The invention relates to the field of manufacturing of automobile parts, in particular to an anti-loose self-locking nut simple in structure, capable of effectively preventing the nut from falling off, convenient to mount and dismount and capable of being reused. The anti-loose self-locking nut comprises a nut body and a nut collar rotatably arranged at the lower end of the nut body, a threaded hole is penetratingly arranged in the middle of the nut body, a stepped groove is formed in the upper end of the nut body, a spring steel piece is placed in the stepped groove, a bending portion used for clamping the spring steel piece in the stepped groove is arranged on the upper portion of the stepped groove, the spring steel piece comprises an annular piece and more than two clamping pieces evenly arranged at the upper end of the annular piece and protruding along the radial direction, the annular piece is formed by a tilt surface rotating and scanning around the axis of the threaded hole, the clamping piece protrudes inwardly to extend into the threaded hole of the nut body, and the extending length of the clamping piece is located between the inner diameter and outer diameter of the threaded hole. The invention further comprises a production method of the anti-loose self-locking nut.

The invention discloses a manufacturing technique of leather ball, which comprises making inner tubes, wrapping filament, forming middle pneumatic, sizing, sticking skin, printing pattern and other steps; wherein, a protuberant boundary line is arranged on the position of the middle pneumatic adding sulfur die cavity which is matched with the middle pneumatic film edge in the process of forming middle pneumatic; a concave groove is formed on the vulcanized middle pneumatic; the skin graft edge is pressed into the groove in the process of sticking skin; a protuberant blank holder is arranged on the position of the printing pattern mold which is matched with the skin graft edge via printing pattern by printing pattern mold; the blank holder is extended into the joint and extruded in the action of finished ball internal pressure, which makes the joint tight; the skin graft edge is uneasy to tilt as the skin graft edge is extended into the groove formed on the middle pneumatic; the butt-mounted edges of each skin graft are more even and without gaps, which makes the connection of pattern printed on the skin graft smooth; the approximately vertical radian among the skin grafts makes the leather ball the same stereoperception as hand sewn leather ball.

The invention discloses a washing machine operation panel. The washing machine operation panel comprises a panel body, a display panel and buttons, the display panel comprises a main light-transmitting part and a plurality of button installation grooves formed in the edge of the main light-transmitting part, the outer side wall surface of the panel body is provided with a subsidence platform used for installing the display panel, the subsidence platform is provided with a plurality of light-transmitting holes and a linkage part used for controlling a corresponding switch on a PCB, the surface of one side of the subsidence platform is provided with thin transparent paster sealing the light-transmitting holes, a seal ring is further arranged between the display panel and the subsidence platform, and the seal ring surrounds the edge of the surface of the inner side of the main light-transmitting part. According to the scheme, the structure is more concise, the display effect is optimized, assembly is more convenient, and a water mist environment is prevented from being formed. The invention further discloses a washing machine utilizing the washing machine operation panel.

The invention discloses a right three-wheeled motorcycle. The right three-wheeled motorcycle comprises a frame with a main beam and a container support beam, wherein a headstock stand pipe for installing a steering post is welded at the front end of the main beam; a handle pipe steering post for installing a handle pipe is rotatably matched in the headstock stand pipe; a handle pipe is arranged at the upper end of the handle pipe steering post; a front fork stand pipe for installing a front fork steering post is welded on the main beam at the back of the headstock stand pipe; a front fork steering post is rotatably matched in the front fork stand pipe; and the handle pipe steering post is connected with the front fork steering post through a linkage device. Compared with a conventional right three-wheeled motorcycle, the front fork steering post of the motorcycle moves backward, so that the invalid length between the front end of a front wheel and the front end of a head lamp of the right three-wheeled motorcycle is shortened; and therefore, a container of the right three-wheeled motorcycle can be lengthened within the specified overall length of the motorcycle, the transportation efficiency can be improved, and the requirements of customers can be met.

The manufacturing engineering for melten pressure-sensitive adhesive cloth-based belt belongs to manufacturing technique sphere of gel products. The method is characterized in that mixing and melting the PE plastic particles and filling materials; scoring with the gauze to produce plastic-coated cloth embryo; evenly daubing a non-silicon on the plastic-coated face of the plastic-coated cloth embryo; mixing and stirring thermoplastic elastomer, resin, naphthenic oil and modifying agent to prepare melten pressure-sensitive belt; inflowing into the gelholder filled with nitrogen; evenly covering the gel on the gaze cloth of the silicon-coated cloth embryo. The invention adds partial regenerative cotton into the pure polyester to obtain the product, which is of more adequate raw materials compared with pure polyester gauze and of moderate price, at the same time, adding mineral filler into PE largely reduces the cost of manufacture, and is of good suppleness, can not easily cock and can fast seal; the melten pressure-sensitive gel adopted by new cloth-based (pipe) gel is pure solid glue and is hard to burn, the industrial process can not produce any gaseous effluent and can not produce damage to people and environment, which belongs to a safety and environment-friendly type glue.

The invention discloses a production device of an environment-friendly magnesium oxide decorative plate. The device comprises a conveying mechanism, a sanding mechanism, a gluing mechanism, a baking mechanism, a stacking mechanism and a hot pressing mechanism, wherein the sanding mechanism comprises a sanding rack, a cabinet arranged on the sanding rack, a sanding component installed in the cabinet and a dust exhaust component communicated with the interior of the cabinet; the gluing mechanism comprises a gluing rack, an upper roller and a lower roller which are positioned on the gluing rack; the baking mechanism comprises a baking rack, a baking conveying belt and an oven which are positioned on the baking rack; the stacking mechanism comprises a stacking rack, a portal frame and a material sucking component which are stridden at the stacking rack, and a material wheel is arranged on the stacking rack; the portal frame comprises upright posts which are arranged on both sides of the stacking rack and a cross post which is connected with the upright posts, and a sliding rail is arranged on the cross post. The device has the advantages of simple structure and low cost, and the produced magnesium oxide decorative plate has the advantages of stable structure and good decorative performance and cannot be stripped or warped after being used for a long time.

An electrically conductive filter bag and a production method thereof belong to the technical field of electrically conductive bag. The electrically conductive filter bag includes a bag body (1) and q bag bottom sewn at the bottom of the bag body (1); the bag body (1) is provided with a double-layer edge for sewing (2); the double-layer edge (2) is internally provided with a conductive strip (3); the conductive strip (3) is fixed by suture (7) sewn on the double-layer edge; the upper end of the bag body (1) is provided with an annular skeleton; the top of the conductive strip (3) exposes from the top of the double-layer edge (2), and winds from the inside of the bag body (1) to the outside of the bag body (1), and is then fixed below the annular skeleton onto the bag body (1); and the bottom end of the conductive strip (3) exposes from the bottom of the double-layer edge and is placed outside the bag body (1). The electrically conductive filter bag has good conductive effect, prevents conductive failure caused by collision of the keel and the conductive strip in the bag body. The production method completes sewing of the bag body and the conductive strip in one step, and improves the production efficiency of the electrically conductive filter bag.

The invention provides a blue-light-proof film which comprises a thermoplastic base material and a functional coating arranged on the thermoplastic base material; a blue-light-proof coating is arranged on one surface, opposite to the functional coating, of the thermoplastic base material, and /or, the blue-light-proof coating is arranged between the thermoplastic base material and the functional coating. Compared with the prior art, two UV-cured optical coatings are arranged on the thermoplastic base material, the two UV-cured optical coatings are the blue-light-proof coating and the functional coating respectively; by mixing the ratio of components in a reactive diluent, the blue-light-proof coating has good flexibility and re-coating adhesive force, and interlayer separation is not easyto occur; no blue light blocking agent is contained in the functional coating, the influence of the blue light blocking agent on the UV curing condition is eliminated, the functional coating can be easily endowed with other properties, by mixing the types and proportions of main body resin and the reactive diluent, the functional coating has good flexibility, and cracking and falling of the coating cannot be caused in the hot-pressing molding process.

The invention relates to the field of preparation of consumables of printing products, in particular to a manufacturing method of weather-resistant, waterproof and high-quality special paper for printing. The manufacturing method comprises the following steps of preparation of initial paper pulp, preparation of a toughening additive, preparation of papercopying pulp, preparation of paper blanks, preparation of an adhesive film solution, and applying of the adhesive film layer. The prepared paper has the advantages that the strength is high, and the printing effect is excellent; the water-resistant, oil-resistant, chemical-resistant and aging-resistant properties are realized; the heat insulation property is good; the certain flame-retardant effect is realized; the paper is flat in surface,is difficult to warp, and is suitable for drum printing; by adopting a large amount of waste paper pulp fiber, the resource is saved, the weight of the paper is light, and the certain fluorescent property is realized; when the paper is used as the advertisement paper, the vision effect is improved; the good bacteria-inhibiting and insect-preventing effects are realized; the added components are free from poison and harm, the safe and environment-friendly effects are realized, and the higher practical value and good application prospect are realized.

The invention discloses an inner pot for an electromagnetic induction heating cooker and a processing method thereof, relates to the technical field of electromagnetic induction heating cooking and solves the problem in the prior art of low magnetism conduction efficiency. The inner pot for the electromagnetic induction heating cooker comprises a pot body of the inner pot, wherein a magnetism conduction sheet is composited at the bottom on the outer side of the pot body. Meshes are arranged on the magnetism conduction sheet, pot body materials are deformed and extruded into the meshes, the magnetism conduction sheet is fixedly composited at the bottom of the pot body, a joint is formed between the edge of the magnetism conduction sheet and the pot body, a magnetism conduction layer is arranged outside the pot body and the magnetism conduction sheet, formed in high temperature meltallizing mode and covered on the joint position, and the magnetism conduction sheet at the joint position is tightly embedded into the pot body in the high temperature meltallizing process. The inner pot for the electromagnetic induction heating cooker is mainly used in the electromagnetic induction heating cookers, in particular to electric pressure cookers, electric cooker, electric saucepans and the like which are in electromagnetic induction heating.

The invention discloses a self-absorption plastic floor and a manufacturing method thereof. The thickness of the self-absorption plastic floor is 3-5mm; the weight of the self-absorption plastic floor in per square meter is 5.7-9.5 kg; the self-absorption plastic floor comprises a plurality of base material layers; a surface layer is arranged on the top of the base material layer on the top of the self-absorption plastic floor; an elastic slip-proof film is arranged on the bottom of the base material layer on the bottom of the self-absorption plastic floor; a plurality of projections with grooves are arranged on the bottom of the elastic slip-proof film; the heights of the projections are the same; the base material layers contain filling materials; the filling materials are one or more than one of barite powder, quartz sand or silica fume; and the base material layers contain PVC (polyvinyl chloride) and glass fibers. The self-absorption plastic floor is manufactured by preparing the base material layers, compounding the base material layers and gluing the surface layer and the elastic slip-proof film to the base material layers.