178results about How to "Legible" patented technology

The invention provides a black ink for ink-jet printers, which comprises 10-30% of carbon black, 0.1-1.25% of amphiprotic polymerized substance, 0.1-1.5% of levelling agent, 10-30% of wetting agent, 0.05%-0.5% of defoaming agent and deionized water, 20-33% of carbon black dispersion liquid, 0.05-2% of surface active agent, 5-50% of humectant, 0.1-2% of pH regulator, 0.5-2% of drier, 0.1-0.5% of preservative agent, 0.1-0.5% of mold preventive, 0.01-0.5% of chelating agent, 0.1-2% of resin and deionized water.

The invention relates to a cylindrical workpiece code machine. A machine body is internally provided with a motor and a gear box, and is provided with an adjustable frame slantwise and fixed with a headstock at one side in the front; the front part of the hopper which is arranged on the adjustable frame is connected with a curved feed channel while a feed puller mechanism is positioned on the front end thereof; the headstock supports a cardinal axis which is driven by the gear box; a rolling wheel is fixed at the front end of the cardinal axis and with at least a character mold box at the four sides; character patterns are inlaid in the character mold box one side of which is provided with a cam; a special-shaped gasket mechanism is fixed at the other side in the front of the machine body and under the curved feed channel; a regulating frame which is provided with a feeding rack is fixed at the front end of the machine body and a feed puller driving rack is arranged on the regulating frame; when the cardinal axis is rotating, the cam drives the feeding rack with which the feed puller driving rack is contacted and interlocked while the feed puller driving rack is contacted with and drives the feed puller mechanism. By adopting the code machine of the invention, the cut character is neat and clear, with high production efficiency.

The invention discloses an environmental-friendly writing ink for a white board pen. The writing ink is made from the following materials in part by weight: 4-8 parts of plant pigments, 6-10 parts of emulsifying agents, 2-5 parts of castor oil, 3-7 parts of palygouskite, 15-25 parts of ethanol and 30-80 parts of deionized water. The ink has the advantages of environment protection, safety, stable long-placed performance, bright and soft color and smoothness in writing, can be quickly erased by water and is particularly applicable to the teaching white board pen.

The invention provides an environmental-protection stamp-pad ink and a preparation method thereof. The environmental-protection stamp-pad ink is prepared from the following components by the weight percentage: 50%-70% of a solvent, 10%-20% of a soluble resin, 1%-2% of an auxiliary agent, 0.1%-0.15% of an environmental-protection preservative, and 15%-30% of an environmental-protection pigment. Compared with the prior art, the environmental-protection stamp-pad ink has the beneficial effects that the environmental-protection stamp-pad ink is widely applied in official business, production, culture and education, children, clothing, industry and almost all industries, and guarantees that people are in good health and the environment is clean.

The invention relates to the environment protective chalk.The chalk core uses chalk liquid changing to solid to reduce powder greatly. The chalk core is installed on the special chalk shell to reduce contamination to hands.

The invention discloses green, environment-friendly and dust-free chalk. A formula of the chalk is as follows: 15-20 parts of burnt gypsum powder, 15-20 parts of large white powder, 15-20 parts of water, and 3-5 parts of color paste, wherein the color paste is an aqueous solution comprising 2-5 parts of polyvinyl acetate emulsion, 2-3 parts of polyvinyl alcohol and 50 parts of water. The chalk has the characteristics that the chalk is fluent in writing, clear in handwriting, moderate in hardness and less in dust, and the dust does not rise easily.

The invention discloses environment-friendly repeated-writing paper and a preparation method therefor. According to the environment-friendly repeated-writing paper and the preparation method therefor, a hydroxyl protective group is added into a nano bacterial cellulose suspension with excellent characteristics such as high water absorptivity and water retention ability and good water and air permeability, so as to lower hydrophilicity; a staged reaction is carried out under strong base conditions, so that bacterial cellulose reaches moderate water absorptivity and water retention ability, ink can only be present in a surface layer and be clear in writing while the ink is absorbed, and thus, writing, reading and subsequent handwriting wiping are facilitated; then, a scientifically-compounded dispersant is added, and ultrasonic and high-voltage pulse electric field combined dispersion is carried out, so that a stable and uniform modified bacterial cellulose suspension is obtained; finally, the surface of raw paper is coated with the suspension so as to obtain the writing paper with appropriate ink absorbing uniformity and adhesive power and a dense structure, thus, the writing property of the writing paper can be enhanced, and the clearness of writing is enhanced; and waterproofing and oil-proofing actions can be achieved, most importantly, ink marks on the paper can be erased with a cleanser and the paper can be reused for 40 to 100 times under the condition that the performance of the paper is not affected.

The invention provides a method for manufacturing, transfer printing and testing of a high temperature and corrosion resistant heat-transfer printing film. A manufactured heat-transfer printing film respectively comprises a basal layer, a release layer, a protective layer, a waterproof layer and a heatproof and isolation layer from the bottom up, and intaglio printing is adopted for forming of the heat-transfer printing film; after the intaglio printing, the heat-transfer printing film has excellent properties of high-temperature boiling, corrosion, scratching and abrasion resistance; heat preservation is performed for 1-2 hours at 63-67 DEG C, so that the heat-transfer printing film can be clear in character printing and strong in adhesive force, the high temperature resistant ultimate bearing capacity is improved by 3-4 times, and the corrosion resistant time is prolonged by 2-3 times. The method is simple, and has the advantages that the manufacturing is convenient, the product quality is high, the service life of a product is long, and the core competitiveness of an enterprise is remarkably improved.

A piston-type multifunctional fountain pen series is disclosed. Said pen is composed of exposed small tip, quickly installing-detaching structure, holder with ink tube in it, piston, metallic telescopic sleeve, pen cap, tip cap and pressure regulator at its tail. It has also multiple quickly exchangeable writing tips. Its advantages are smooth writing and clear tracing.

The invention provides an automatic stamping device for international trade bills, and relates to the technical field of international trade. The automatic stamping device for international trade bills comprises a base, a supporting frame, a drive device, a rotating device, a lifting device and two fixed devices. The left side of the rotating device is fixedly connected with the right side of thesupporting frame. The rotating device comprises a fixed box, a through opening, a sliding sleeve, a rotating shaft, a driving gear, a driven gear, a fixed strip, a sliding groove, a second rack, two limiting blocks and a connecting rod. The left side of the fixed box is fixedly connected with the right side of the supporting frame. The through opening is formed in the top of the fixed box and communicates with the fixed box. The top of the sliding sleeve is fixedly connected with the bottom of the fixed box. Through the arrangement of an air cylinder, a telescopic rod, a first rack, the driving gear, the driven gear, the second rack, a support and a support rod, the problems of heavy manual stamping workload and low efficiency are solved through the automatic stamping device for international trade bills.

The invention provides a marker ink of glassware, comprising benzene peptide type dye, acidic compounds, acetone, a surfactant, a thickening agent, preservatives and essence. A preparation method of the marker ink comprises the following steps of: dissolving benzene peptide type dye in the acetone, adding the acidic compounds to make ink colorate, then sequentially adding the surfactant, the thickening agent, sodium benzoate, an antifreezing agent and a taste covering agent D4006, and evenly stirring to obtain the ink. The marker ink can be used for marking the glassware, is low in cost, good in stability, smooth and not easy to fade under the affect of water and can be scrubbed in the marker replacing process.

The invention discloses a calligraphy black ink tracing writing practice table plate which comprises a lamp box, an electric light source, a table surface plate as well as paperweights, wherein the table surface plate is made of light permeable glass; one side of the table surface plate is mounted on a lamp box frame through hinges and fasteners and is placed on a light permeable plate of the lamp box; two paperweights are placed on the table surface plate; two ends of the paperweights are arranged on edges of two sides of the table surface plate in a clamping manner; and the paperweights can be moved transversely in parallel on the table surface plate. According to the calligraphy black ink tracing writing practice table plate disclosed by the invention, paper with written or printed words is pressed between the table surface plate and the light permeable plate of the lamp box, a light source is close to a table surface, intense light permeates the table surface plate, and then clear words without distortion can be seen; in addition, the writing practice table plate is convenient to use and operate, and habits of a calligraphy trainee can be met; and transparent thin paper can be replaced by common paper, so that the calligraphy practice cost can be effectively lowered. If ground support plates are mounted on the left side and the right side of the writing practice table plate, the writing practice table plate can be turned into a calligraphy black ink tracing writing practice table.