47results about How to "Clear writing" patented technology

The invention relates to a solid color writing pen, which consists of an acid-base indicator, an alkaline compound, a humectant, a surfactant, a lubricant, an adhesive, a substrate, ethanol and water. The preparation method comprises the following steps: a mixture is subjected to mixing, heating, dissolving, evenly stirring, film injection and molding to form the solid color writing pen. The solid color writing pen can replace chalks and whiteboard pens and is mainly used for teaching board writing, office noting and the like. The color writing pen has the characteristics that the pen has good stability, smooth writing, does not contaminate cloths and articles, has no pollution of dust and is environment-friendly; the writing can be wiped and fade by a wet cloth instantly; the pen also has long service life; the ruling length of a 1gram of pen body can reach 446.5 meters; compared with the chalk with the same quality, the writing amount of one color writing pen corresponds to the writing amount of seven common chalks; in addition, the pen also has the characteristics that the pen protects the environment and has bright and clear writing color, and even if under the environment with 70 percent relative humidity, the writing can be also remained and does not fade for a long time.

The invention relates to a manufacturing method of a hot-line work technical training distributing line part 3D (three-dimensional) teaching video. The method includes: building scene, equipment, character, tool, management document material models, and building a management system which comprises model material library management software, dynamic control engine software, video recording software, video teaching editing software, a 3D animation management subsystem, a window interface GUI (graphical user interface) and a GUI interface generating tool; using the 3D animation technology to manufacture simulation animation courseware, using the 3D animation manufacturing technical and physical engine technology to manufacture an electric power animation material video, and using audio and video editing manners of the editing system to make standard operations, safety technical training and the like of an electric system into the 3D animation teaching video. The method has the advantages that the manufactured teaching video is visualized and vivid, long-term and sustainable, good in teaching effect and low in training cost.

A method of entering text into an electronic device 1 comprising a display 7, the method comprising: controlling 21 the display 7 to display one or more demarcated areas 51 having a transparent background 55; detecting 23 an input in one of the one or more demarcated areas 51; and in response to the detecting step controlling 25 the display 7 to display an opaque background 57 instead of a transparent background 55 for at least one of the one or more demarcated areas 51 for text entry.

The invention provides a preparation method for black marking glaze for a borosilicate glass insulator. The preparation method comprises the following steps of: adjusting a proper burdening point by taking various chemical pure oxides as basic raw materials, sintering at the high temperature, and water-quenching to obtain basic glass; smashing and grinding, and mixing the smashed basic glass and an organic solvent to obtain the black marking glaze; and finally printing the prepared marking glaze through a silk screen. The preparation method for the black marking glaze for the borosilicate glass insulator has the advantages that: 1, in the preparation method, the marking glaze is prepared by mixing the organic solvent and an inorganic glass material; the marking glaze prepared by the method is encapsulated by an atmosphere furnace at the high temperature and subjected to post chemical polishing, so letters or numbers marked by the marking glaze are hard to fall off and clear, and short lines and decoloration phenomena are avoided; and the appearance quality of a sealed socket meets the requirements; 2, the marking glaze which is prepared by the method and subjected to the whole test of the sealed socket has no influence on the electric insulation performance; and 3, the marking glaze prepared by the method is directly printed on a glass blank cake, and the glaze is deep black in color, strong in stereoscopic sensation, clear to see words, convenient to operate and simple in process.

A bus stop nameplate with touch-screen guide system is composed of original posts, canopy and chair as basis, and additional touch screen, and LCD screen for advertisement, news, etc.. The touch screen can be used for inquiring traffic information above air lines, navigation lines, bus routes, bus stops, etc..

The invention provides a colored pencil lead and a preparation method thereof. The colored pencil lead comprises components in parts by mass as follows: 62-73 parts of sodium thiosulfate, 13-20 parts of a color developing agent, 7-15 parts of CMC (carboxy methylated cellulose) and 0-8 parts of kaolin, wherein the color developing agent consists of sodium carbonate and an acid-base indicator. The preparation method of the colored pencil lead includes steps of weighing the raw materials in proportion, mixing sodium carbonate and the acid-base indicator, adding absolute ethyl alcohol dropwise and mixing to a heavy paste, then pouring molten sodium thiosulfate in and stirring evenly, adding CMC and kaolin, stirring evenly, pouring into a die, drying, and taking out. The provided colored pencil lead can fade both when the lead meets water and when the lead is placed in the air for a long time, is easy to wash when adhering to hands or clothes, is non-residual, non-toxic and harmless, and is suitable for occasions where long-stem storage is not needed, such as temporary marking, calligraphy and painting exercise, and the like.

The invention provides an environment-friendly degradable child colored oiled crayon. The colored oiled crayon comprises the following components the content of which is in mass fraction: 0.3-12% of chromogenic reagent, 6-15% of color-developing agent, 35-53% of emulsifying wax, 15-20% of polyethylene glycol, 12-25% of stearic acid, and 2-15% of talcum powder. The child colored oiled crayon disclosed by the invention overcomes the shortcoming that the existing child crayon is difficult to erase, and has the advantages that after writing, color can be removed by wiping with water, and no trace is left. The colored oiled crayon is dust-pollution-free, environment-friendly, non-toxic and innocuous, and can be not only used as a child crayon, but also used to write on a whiteboard for teaching. The production process is simple and mass production of the crayon is easy to realize.

The present invention relates to the movement structure, calendar display, clock face installation and rotating shaft structure. The movement structure consists of four parts including pulse stepped motor, pointer transmission wheel system, pointer setting mechanism and hour and day reporting trigger signal output mechanism. The minute wheel in backward design is set outside the back clevice assembly for saving space. The calendar display is a micro power consumption and large width one and the clock face is float installed with springs for lasting flatness. The rotating shaft structure is of self-lubricating corrosive and wear resistant material. The large clock of the present invention is not affected by power failure, whether and environment, and is corrosive, wear resistance, accurate, reliable and durable.

The invention relates to a high-transparency anti-reflective environmental-protection type polyvinyl chloride (PVC) green film and a preparation method thereof, and belongs to the technical field of chemical product preparation. The environmental-protection type PVC green film particularly comprises the components in parts by weight: 90-92 parts of PVC, 1-1.5 parts of a processing aid, 2-2.5 parts of a reinforcing agent, 1-1.5 parts of a stabilizer, 0.3-0.4 part of a lubricant, 3.5-8 parts of a plasticizer, and 0.1-0.2 part of a modifying agent. The preparation method comprises the steps of throwing a PVC resin powder into a powder-making machine, starting up the machine, heating to make the temperature rise, throwing auxiliary materials in the machine, carrying out high speed stirring, again continuing to heat up to 120 DEG C and finishing high speed mixing, putting into a cold mixing pot, forcing to cool, barreling and sealing at the temperature of 40 DEG C, standing for 48 hours, and naturally cooling to obtain a finished powder; throwing the finished powder into a film-making machine, shaping by a cooling wind ring, blowing up a film bubble, carrying out traction of the film bubble, then introducing into a shaping water tank, and rolling up; and smearing the film with a hydrophilic gel, and covering with a self-adhesive paper and pressing tightly. The environmental-protection type PVC green film prepared by the method has the advantages of high transparency, good anti-reflective performance, energy saving and environmental protection, and the surface can be smoothly and clearly written by a water-based pen.

The invention relates to a lettering method for a cable polyurethane elastic body jacket. The specific steps are as follows: (1) after a cable is extruded out of a jacket, the cable is air-dried; (2) the cable is put into an oven for preheating; (3) a lettering wheel is chosen and arranged on a lettering machine; (4) cyclohexanone solution and printing ink are mixed for spare use by the weight ratio of 1 to 20; (5) an angle formed by an ink-scratching piece and the lettering wheel is adjusted to 45 degrees, which is the best; (6) a front guide wheel and a rear guide wheel of the lettering machine are on the same straight line with a lettering pinch wheel; (7) after the pressure of the lettering pinch wheel is adjusted, lettering can be started; and (8) ink is added. The lettering method for a cable polyurethane elastic body jacket has the benefits that characters printed on the surface of the cable polyurethane elastic body jacket are bright-colored and clear, and problems such as double images can be avoided; and the characters cannot be easily erased out, so that the characters last for a long time.

The invention belongs to the technical field of writing equipment, in particular to an auxiliary writing method convenient to control. The auxiliary writing method comprises the steps of locating a writing head, and adjusting the writing position; when the writing head is located, firstly, locating the writing head with a first character lattice on the first line, and then, rotating test paper tolocate a tail character lattice on the first line with the writing head, so that locating of all character lattices is completed; and when the writing position is adjusted, conducting stepping movement of character lattice distances in the horizontal direction, and conducting stepping movement of line distances in the vertical direction, so that automatic locating of the writing position is achieved in the writing process. By means of the auxiliary writing method, auxiliary Chinese writing can be achieved in the test process conveniently.

The invention relates to the technical field of stationery, in particular to a high-strength pencil lead. The raw material of the high-strength pencil lead, by weight, includes 40-60 parts of sodium thiosulfate, 20-30 parts of sodium humate, 3-6 parts of graphene, 8-6 parts of talcum powder, 2 -4 parts of food grade paraffin, 5-12 parts of sodium carboxymethyl cellulose and 1-3 parts of clove oil.The high-strength pencil lead has the advantages of being environment-friendly and harmless to a human body, bright in colors, smooth and clear in writing, free of dregs, wipeable, effective in cleaning and aromatic, good in antibacterial function and the like. Furthermore, the high-strength pencil lead is high in strength and not easy to break.

The invention relates to writing and drawing appliance, specifically to a washable crayon for children. The washable crayon is composed of the following materials in parts by weight: 35 to 45 parts of water-soluble wax, 3 to 5 parts of sodium dialkyl benzene sulfonate, 15 to 25 parts of glycerol, 0.3 to 0.8 part of a chromophoric agent, 3 to 5 parts of a color-developing agent, 15 to 25 parts of emulsifying wax, 1.5 to 2.5 parts of polyethylene glycol, 3 to 5 parts of stearic acid, 15 to 25 parts of weak acid, 10 to 15 parts of talcum powder, 25 to 35 parts of titanium dioxide, 5 to 10 parts of paraffin, 5 to 10 parts of hydrogenated oil, 15 to 20 parts of advanced saturated fatty acid, 15 to 25 parts of potato starch and 15 to 25 parts of glycerol monostearate. The washable crayon for children provided by the invention is bright in color, is non-toxic and harmless, is easy to clean, does not remain writing traces through wet wiping, can automatically fade in two days even if writing contents are not wiped, has no dust pollution, is friendly to the environment, is non-toxic and harmless, can fade through wiping with water when written on paper, does not remain traces, has fresh color, is smooth and clear to write, and is free of the situation of scaling-off.

The invention relates to a blackboard face, which is characterized in that the blackboard face comprises basic substance and findings and the proportion by weight is 1:0.1-3, wherein the basic substance is polychloroethylene or polyproethene, the findings are at least one of carborundum, iron powder and french chalk. The invention also comprises pigment, so that blackboard face is made into different colors according to the need. The another purpose of the invention is to provide a process for making the blackboard face, and the process includes the following operating steps: basic substance and findings are charged in commingler sequentially at room temperature, mixed equally, heated to 60 DEGC to 80 DEGC, and then raw material heated is compressed into blackboard face through rolling pipe body filled with flowing water of 0 DEG C to 4 DEG C. The invention has the advantages of easy writing, no reflecting, no slipping, overcoming the defect of no easy breaking, low weight, light and beauty, which is provided with steel boards, overcoming the defect of no easy abrasion, simple technique of producing blackboard face, and proper popularization and application.

The invention provides a piece of colored dust-free chalk capable of fading automatically and a preparation method thereof. The chalk comprises the raw materials in parts by mass as follows: 60-75 parts of sodium thiosulfate, 12-16 parts of a color developing agent, 3-9 parts of talcum powder, 0.6-1.0 part of sodium carboxymethylcellulose and 10-20 parts of sodium metasilicate nonahydrate, wherein the color developing agent comprises sodium carbonate and an acid-base indicator. The preparation method of the dust-free chalk comprises the steps that the acid-base indicator and sodium carbonate are mixed; absolute ethyl alcohol is added dropwise until the mixture becomes a heavy paste; melted sodium thiosulfate and sodium metasilicate nonahydrate are poured into the mixture and mixed uniformly; and the talcum powder and sodium carboxymethylcellulose are added, stirred uniformly, filled into a mold, aired, and covered by a film, so that the chalk is obtained. The colored dust-free chalk can fade automatically, and is environment-friendly, non-poisonous, unsticky and dust-free.

The invention discloses an environmentally friendly colored pencil. The pencil comprises a pencil holder and a pencil core, and is characterized in that the pencil holder is made of plant straws; a plastic film is arranged between the pencil holder and the pencil core; a pencil point sealing film is arranged at a pencil point of one end of the pencil. The pencil core comprises is prepared from the following components in parts by mass: 50 to 60 parts of sodium thiosulfate, 0 to 10 parts of clay, 13 to 20 parts of color developing agent, and 7 to 15 parts of carboxymethylcellulose (CMC). The environmentally friendly colored pencil has the advantages that the pencil core can be faded when meeting water or put in the air for a long time, the pencil core is easy to clean when being adhered to hands or clothes, no residue exists, all the components are poisonless and harmless, and the pencil is suitable for occasions not requiring stored for a long time, such as temporary tags, practices of scripts and paintings, and the like.

The invention discloses ink containing Chinese herbal medicine components. The ink containing Chinese herbal medicine components comprises the following components in parts by weight: 30-50 parts of carbon residue powder, 2-6 parts of Tibetan spice, 4-8 parts of anti-cold herbal medicines, 2-4 parts of honey and 100-140 parts of deionized water, wherein the carbon residue powder is prepared by thefollowing steps: taking highland barley and wheat as raw materials, sintering the two raw materials into a carbon residue, and then grinding the carbon residue into powder. According to the ink containing Chinese herbal medicine components, the highland barley and the wheat are sintered into the carbon residue, then the carbon residue is ground into powder to prepare the carbon residue powder, and the ink is prepared through combined action of the carbon residue powder, the Tibetan spice, the anti-cold herbal medicine and the honey. The ink does not contain any ingredient harming human bodies, writing is smooth and clear on a tablet when the ink is used, and the ink is fragrant and can prevent cold. The ink with excellent quality can be prepared through the following steps: preparing materials, carrying out mixing by stirring, carrying out decocting with slow fire, carrying out decocting with high fire, carrying out filtering, carrying out mixing, carrying out secondary heating and stirring, manufacturing the ink, and carrying out bottling. Full utilization of all the raw materials is facilitated.

A bus stop nameplate with touch-screen guide system is composed of original posts, canopy and chair as basis, and additional touch screen, and LCD screen for advertisement, news, etc.. The touch screen can be used for inquiring traffic information above air lines, navigation lines, bus routes, bus stops, etc..

The invention relates to the technical field of stationery, in particular to a colored pencil refill. The colored pencil refill comprises the following raw materials in parts by weight: 30-50 parts ofsodium thiosulfate, 10-20 parts of talcum powder, 3-6 parts of carboxymethyl celluloses, 8-16 parts of plant pigment, 2-4 parts of food grade paraffin wax, 5-15 parts of medical stone powder, 5-12 parts of polyethylene glycol and 1-3 parts of clove oil. The colored pencil refill is environmentally friendly, cannot harm human bodies, and is bright in color and smooth and clear in writing; slag dropping is avoided; and the colored pencil refill has the characteristics that writing marks can be cleaned effectively after being wiped with water, and the colored pencil refill has fragrance and hasgood antibacterial function, and the like.

The invention provides an environment-friendly degradable child colored oiled crayon. The colored oiled crayon comprises the following components the content of which is in mass fraction: 0.3-12% of chromogenic reagent, 6-15% of color-developing agent, 35-53% of emulsifying wax, 15-20% of polyethylene glycol, 12-25% of stearic acid, and 2-15% of talcum powder. The child colored oiled crayon disclosed by the invention overcomes the shortcoming that the existing child crayon is difficult to erase, and has the advantages that after writing, color can be removed by wiping with water, and no trace is left. The colored oiled crayon is dust-pollution-free, environment-friendly, non-toxic and innocuous, and can be not only used as a child crayon, but also used to write on a whiteboard for teaching. The production process is simple and mass production of the crayon is easy to realize.

The invention provides a colored pencil lead and a preparation method thereof. The colored pencil lead comprises components in parts by mass as follows: 62-73 parts of sodium thiosulfate, 13-20 parts of a color developing agent, 7-15 parts of CMC (carboxy methylated cellulose) and 0-8 parts of kaolin, wherein the color developing agent consists of sodium carbonate and an acid-base indicator. The preparation method of the colored pencil lead includes steps of weighing the raw materials in proportion, mixing sodium carbonate and the acid-base indicator, adding absolute ethyl alcohol dropwise and mixing to a heavy paste, then pouring molten sodium thiosulfate in and stirring evenly, adding CMC and kaolin, stirring evenly, pouring into a die, drying, and taking out. The provided colored pencil lead can fade both when the lead meets water and when the lead is placed in the air for a long time, is easy to wash when adhering to hands or clothes, is non-residual, non-toxic and harmless, and is suitable for occasions where long-stem storage is not needed, such as temporary marking, calligraphy and painting exercise, and the like.

The invention belongs to the technical field of manual assisting, and particularly relates to a pressing transmission structure. The structure comprises a pressure plate, a fixed plate, a transmissionrod set and a movable head; the pressure plate serves as a writing starting switch, after the pressure plate displaces, the transmission rod set enables the movable head to displace vertical to the test paper, a pen point of a writing pen is driven to make contact with the surface of the test paper, writing starting is finished, the structure is simple, through pressing, writing starting is achieved, the pressure plate displaces to push an inclined rod, the inclined rod pushes a quadrilateral structure formed by flat rods and vertical rods, displacement of the pressure plate is larger than the distance of moving of the flat rods, displacement of the pressure plate is reduced, and the problems that in the moving process, finger blocks touch the pressure plate, when the pressure plate floats, the pen point is prone to floating up and down to make contact with the test paper, and scratches are generated are solved.

The invention belongs to the technical field of handwriting assistance, in particular to a writing pen moving method capable of reducing scratches. The method comprises the steps of pressing signal acquisition, pressing stroke reduction, horizontal displacement absorption and pen placement.By reducing the stroke of a pressing signal, the floating amplitude of a pen point caused by floating of a pressure plate is reduced, scratches are avoided, horizontal displacement generated in the pressing process is absorbed, and the situation that the horizontal displacement affects the moving track of the pen point on the surface of the test paper is avoided.

The invention relates to a solid color writing pen, which consists of an acid-base indicator, an alkaline compound, a humectant, a surfactant, a lubricant, an adhesive, a substrate, ethanol and water.The preparation method comprises the following steps: a mixture is subjected to mixing, heating, dissolving, evenly stirring, film injection and molding to form the solid color writing pen. The solidcolor writing pen can replace chalks and whiteboard pens and is mainly used for teaching board writing, office noting and the like. The color writing pen has the characteristics that the pen has goodstability, smooth writing, does not contaminate cloths and articles, has no pollution of dust and is environment-friendly; the writing can be wiped and fade by a wet cloth instantly; the pen also haslong service life; the ruling length of a 1gram of pen body can reach 446.5 meters; compared with the chalk with the same quality, the writing amount of one color writing pen corresponds to the writing amount of seven common chalks; in addition, the pen also has the characteristics that the pen protects the environment and has bright and clear writing color, and even if under the environment with70 percent relative humidity, the writing can be also remained and does not fade for a long time.

The invention provides a preparation method for black marking glaze for a borosilicate glass insulator. The preparation method comprises the following steps of: adjusting a proper burdening point by taking various chemical pure oxides as basic raw materials, sintering at the high temperature, and water-quenching to obtain basic glass; smashing and grinding, and mixing the smashed basic glass and an organic solvent to obtain the black marking glaze; and finally printing the prepared marking glaze through a silk screen. The preparation method for the black marking glaze for the borosilicate glass insulator has the advantages that: 1, in the preparation method, the marking glaze is prepared by mixing the organic solvent and an inorganic glass material; the marking glaze prepared by the method is encapsulated by an atmosphere furnace at the high temperature and subjected to post chemical polishing, so letters or numbers marked by the marking glaze are hard to fall off and clear, and shortlines and decoloration phenomena are avoided; and the appearance quality of a sealed socket meets the requirements; 2, the marking glaze which is prepared by the method and subjected to the whole test of the sealed socket has no influence on the electric insulation performance; and 3, the marking glaze prepared by the method is directly printed on a glass blank cake, and the glaze is deep black in color, strong in stereoscopic sensation, clear to see words, convenient to operate and simple in process.

The invention discloses a dust-free blackboard capable of realizing automatic wiping. The dust-free blackboard comprises a frame in which two scrolls are vertically arranged at intervals, a closed loop white board is wound on the two scrolls, and the scrolls are driven to rotate by a set of drive devices, thereby driving the white board to rotate; two blackboard erasers are arranged on the frame of one side outside the closed loop white board, and a pushing mechanism is arranged in the closed loop of the white board and comprises two support plates by which the white board can be pressed on the two blackboard erasers; chutes are formed in opposite sides of the two support plates, sliding blocks are arranged in the two chutes and articulated with the respective connecting rods, the two connecting rods are fixed on one pushing plate, a groove I is formed in the lower end of the pushing plate, a bearing is arranged in the groove I, and the inner hole of the bearing sleeves the end of one screw. The dust-free blackboard can be written by fountain pens and can prevent dust pollution, the writing area is doubled, and the dust-free blackboard can be used as a projection screen.

A solar indicating plate for train is composed of hollow indicating plate, water-proof transparent cover, solar battery, power supply controller and light source. Its advantages are simple structure, low cost, and high indicating effect at night.