230 results about "Correction fluid" patented technology

An improved color changing correction fluid is provided which includes either a volatile base or a volatile acid in combination with a color changing pH indicator, all in a water based fluid or system. As the fluid dries, the volatile base or acid evaporates along with the water and the pH color changing indicator changes from a colored state to a clear state. For white paper, a white pigment is utilized and therefore the fluid changes from a colored state to a white finished state as the solvent water and acid or base evaporates. Different color pigments can be utilized to match the color of the particular paper or substrate.

The present invention provides a scanner system and a method for detecting a corrected portion in a scanned object, the system and method being capable of detecting a portion corrected with correction fluid in a scanned original. The scanner system includes: an operation unit for accepting user input operations, such as a detection mode setting operation and a scan start requesting operation; a display unit for displaying an indication, such as an error indication or the result of detection, to show information to a user in a visual form; a read unit for converting information written on a paper original into image information; a corrected portion detection unit for detecting a corrected portion (corrected region) on the basis of the image information; a job management unit for managing the obtained image information and the result of detection; and a control unit for controlling the respective units.

A pattern modification device (1) is discloses, in which a coating unit (20) is provided with: a container (21) having a first hole (21a) at a bottom portion for injecting a modification liquid (22);a coating needle (24) haiving a diameter approximately same with that of the first hole (21a); a cylinder which moves the container (21) and the coating needle (24) up and down, and relatively moves the container (21) and the coating needle (24) to each other so that a front end portion (24a) of the coating needle is projected from the first hole (21a) and the modification liquid (22) is attachedto the front end portion (24a). Accordingly, compared with a conventional technic in which the coating needle needs to be reciprocated between the container and a fault portion, the pattern modification device of the invention can rapidly modify the fault portion by a simple structure.

A multifunctional combined pen comprises a pen cap, a pen holder and a pen point, wherein a refill is arranged in the pen holder, the pen cap and the pen point are positioned at different ends of the pen holder, and the refill comprises a mechanical pencil lead and an ink refill. The pen cap comprises a cap tube, an eraser and a correction fluid container, wherein the cap tube is provided with a first groove and a second groove which are opposite to each other, the first groove is used for installing the correction fluid container, and the second groove is used for installing the eraser. The wall of the first groove is provided with a first buckling portion, the wall of the second groove is provided with a second buckling portion, and a third buckling portion is arranged on the pen holder and corresponding to the first buckling portion and the second buckling portion. When the mechanical pencil lead of the multifunctional combined pen is utilized to perform writing, the eraser is exposed out of the pen holder, and the third buckling portion is buckled with the first buckling portion. When the ink refill of the multifunctional combined pen is utilized to perform writing, the correction fluid container is exposed out of the pen holder, and the third buckling portion is buckled with the second buckling portion. By means of the multifunctional combined pen, the mechanical pencil lead and the ink refill can be utilized, and therefore, using requirements of different occasions can be met.

The present invention provides a device and a method of pattern correction capable of promptly correcting a defective part by simple structure. In a standby state, a tip part 19a of an application needle is immersed in correction fluid 17. At the time of application, when a cylinder part 20 drops a drive axis 20a, the application needle 19 projects from a hole 18b of a container 18. The correctionfluid 17a is adhered to the tip part 19a of the application needle. Next, an application cylinder 13 drops a drive shaft 13a, brings the tip part 19a of the application needle into contact with a defective part 22a of a substrate 22 and applies the correction fluid 17a to the defective part 22a. Consequently, a process for making the application needle go back and forth between the defective partand an ink tank as in the conventional manner is omitted.

This invention relates to a water-base tippex combination, according to weight it composed by 10 to 30% film-forming polymer, 5 to 30% opacity polymer emulsion, 20 to 50% white pigment, 0.5 to 2% dispersant and 10 to 50% water. The opacity polymer emulsion is styrene - acroleic acid copolymer latices, and styrene - acroleic acid copolymer exist by particle form of monodisperse sphericity. This tippex takes opacity polymer emulsion to substitute titanium pigment, greatly reduce material cost, and has favorable wetting property,, easy applying, the rewritten time is less than 60 seconds.

An improved color changing correction fluid is provided which includes either a volatile base or a volatile acid in combination with a color changing pH indicator, all in a water based fluid or system. As the fluid dries, the volatile base or acid evaporates along with the water and the pH color changing indicator changes from a colored state to a clear state. For white paper, a white pigment is utilized and therefore the fluid changes from a colored state to a white finished state as the solvent water and acid or base evaporates. Different color pigments can be utilized to match the color of the particular paper or substrate.

A refill for a correction pen which is excellent insolvent resistance and moldability and can make its content, i.e., a correction fluid having methyl cyclohexane as the main solvent and the remaining amount easily visible during usage and as time passes, is constructed of a molded article of a polyamide resin obtained from monomers having an aromatic ring or a naphthene ring, a molded article of a blend of two or more kinds of polyamide resins, or a molded article having a multi-layered structure of two or more layers whose innermost layer in contact with the correction fluid is constituted of a polyamide resin. The applying part of a refill unit mounted on a ballpoint type applicator having a pressurizing mechanism in linkage with clicking action is formed by press fitting the rear end of a ballpoint pen tip having a rotatable ball to the attachment portion at the front end of an ink reservoir and a metal tube is squeezed to cover the outer periphery of the attachment portion at the front end of the ink reservoir to which the tip is fitted.

A correction fluid containing a composite that includes particles composed of a film-forming polymer, and a polymeric material.

This invention relates to an aqueous correction fluid. Its constitution is that acrylic acid emulsion 5~40%, white titanium pigment 30~80%, deionized water 5~50%. Irritant odor generating material is not contained in this invention, main solvent is water, and rewriting capability is good.

The invention relates to altering prevention paper and a preparation method thereof, which can be widely applied to altering prevention and anti-counterfeiting of negotiable securities, certificates,bills and secret documents and the like. The altering prevention paper contains altering-prevention agents and / or anti-counterfeiting substances, the using amount of the altering-prevention agents is0.003-0.2 percent according to the total weight of the altering-prevention agents, and the altering-prevention agent is phthalocyanine dye, azoic compound and anthraquinone compound; the altering prevention paper contains 0.03-3g anti-counterfeiting substances in every square meter, the anti-counterfeiting substances are cobalt compound and inducting agents containing manganese ions, the mole ratio of the cobalt compound and inducting agents is 1:1-10:1. The altering prevention paper can be manufactured on a common fourdrinier wire paper machine and a mould paper machine and is compatible withanti-counterfeiting characteristics such as watermark, fine line, special fiber and the like. The altering prevention paper has good inductivity and durability to correction fluid such as organic solvent, acid, alkali, oxidants, reducing agents and erasing fluid, can effectively prevent altering and counterfeiting, and has the characteristics of public identification and being difficult to counterfeit.

The present invention is applicable to the technical field of environmental safety supervision and discloses a method for measuring 55 volatile organic compounds in surface water, comprising the steps of pretreating a sample, setting instrument parameters, establishing standard curves and quantifying by internal standard method. According to the method for measuring 55 volatile organic compounds in surface water, after a certain amount of surface water sample is extracted with methanol, a substrate correction fluid is added, headspace treatment is carried out, 55 volatile organic compounds in the surface water sample are qualitatively and quantitatively analyzed by using gas chromatography and mass spectrometry method, and the method is simple to perform, high in accuracy and sensitivity, has small interference and good repeatability, has good curvilinearity of the 55 volatile organic compounds in a concentration range of 40 Mu / L to 900 Mu / L, has each correlation coefficient reaching 0.999 and above, is highly practical to monitoring the volatile organic compounds in surface water, is useful for risk assessment of surface water pollution condition, and has important environmental significance.

The invention is applicable to the technical field of environmental safety monitoring, and discloses a method for determination of 55 volatile organic pollutants in soil, and the method comprises the following steps: sample pretreatment, preparation of a to-be-tested solution, setting of parameters, establishment of a standard curve and internal standard method determination. According to the method for determination of the 55 volatile organic pollutants in the soil, a soil sample with a certain amount is extracted with methanol, a matrix correction fluid is added, after headspace treatment, a gas chromatography-mass spectrometry method is used for qualitative and quantitative analysis of the 55 volatile organic pollutants in a soil sample, the method has the advantages of simple operation, high accuracy, high sensitivity, less interference and good repeatability, in a concentration range of 40-800 mug / L, the curve linearity of the 55 volatile organic pollutants is good, correlation coefficients all are above 0.999, and the method has strong practicability for monitoring of the volatile organic pollutants in the soil, can be used for risk assessment of the pollution status of the soil.

A method and device for determining a correction value for a measured segment time, which a shaft of an internal combustion engine, in particular a crankshaft, needs in order to rotate about a defined angular range, evaluate the following relationship in order to determine correction values for individual cylinders: AZn=[(TGn−TG0)−(n / z)*(TG0′−TG0)] / [TG0+(n / z)*(TG0′−TG0)], where z is the number of cylinders of the internal combustion engine, n is the number of the cylinder currently under consideration, TGn is the measured segment time of the cylinder with the number n, TG0 is the measured segment time of a reference segment of a reference cylinder, TG0′ is the segment time of the reference segment of the reference cylinder measured two crankshaft rotations after the segment time TG0, and AZn is a correction value for the segment time of the cylinder with the number n.

A method for allocating correction values of the degree of bending of a substrate (2) relative to a coordinate system (40) of a coordinate measuring machine (1) is disclosed. The positions of the at least two reference marks (32) on the substrate holder (27) are automatically determined relative to the coordinate system (40) of the coordinate measuring machine (1) for each substrate (2) currently placed in the substrate holder (27) in the coordinate measuring machine (1).

A recording medium drive apparatus is disclosed. The recording medium drive apparatus includes a holding mechanism, a data recording means, and a printing means. The holding mechanism holds a recording medium having a print target surface targeted for printing and an optical recording surface for data. The data recording means is capable of recording the data on the optical recording surface held by the holding mechanism. The printing means is capable of performing printing on the print target surface of the recording medium and applying a correction fluid on the print target surface.

The present invention provides a pattern correction method and a pattern correction device, which can prevent the correction fluid from overflow to the periphery of a defect part and can lead to uniform thickness of the correction fluid coated to the defect part. According to the pattern correction method of the invention, after correction ink (7) is coated to a white defect (6a) of a pixel (6) of a liquid crystal color filter substrate (1), for obtaining an uniform thickness of the correction ink (7), gas containing vapor of solvent (16) is sprayed for the correction ink (7) for reducing the viscosity of the correction ink (7). Therefore, the overflow of the correction ink (7) coated to the white defect (6a) to the peripheral part can be restrained.

The invention provides a machine tool thermal displacement correction method and a thermal displacement correction device. Disclosed is a machine tool thermal displacement correction method comprising an inspection point information acquisition process (60) for acquiring thermal deformation positions in at least three inspection points which are set on a support body (10); an approximate curve calculating process (52) for calculating an approximate curve (C) of a deformed shape of the support body (10) on the basis of the thermal displacement positions at the inspection points; a correction value calculating process (53) for calculating a correction value (Rz) for a command position for a movable body (20) on the basis of said command position and the approximate curve (C); and a correction process (56) for correcting the command position for the movable body (20) by means of the correction value (Rz).

The invention discloses a fast air-drying correction fluid. The rapid air-drying correction fluid comprises the following components in parts by weight: 1-20 parts of volatile acid; 30-60 parts of deionized water; and 20-68 parts of titanium dioxide. Wherein, the volatile acid is formic acid or acetic acid. The rapid air-drying correction fluid of the present invention has various preparation components that are environmentally friendly and non-toxic, has good application effect, is healthy for the body, and is convenient for correction. In addition, there are volatile acids, which can quickly evaporate the water in the correction fluid, saving time and improving work efficiency.

A refill for a correction pen which is excellent insolvent resistance and moldability and can make its content, i.e., a correction fluid having methyl cyclohexane as the main solvent and the remaining amount easily visible during usage and as time passes, is constructed of a molded article of a polyamide resin obtained from monomers having an aromatic ring or a naphthene ring, a molded article of a blend of two or more kinds of polyamide resins, or a molded article having a multi-layered structure of two or more layers whose innermost layer in contact with the correction fluid is constituted of a polyamide resin. The applying part of a refill unit mounted on a ballpoint type applicator having a pressurizing mechanism in linkage with clicking action is formed by press fitting the rear end of a ballpoint pen tip having a rotatable ball to the attachment portion at the front end of an ink reservoir and a metal tube is squeezed to cover the outer periphery of the attachment portion at the front end of the ink reservoir to which the tip is fitted.

A fluid control system for writing instruments, correction fluid dispensers and self contained paint brush and paint reservoirs is disclosed. The fluid control system includes two filters or reservoirs, including a hydrophobic filter / reservoir and a hydrophilic filter / reservoir. The hydrophobic and hydrophilic elements may be spaced adjacent to and in abutting engagement with each other or a gap or space may be disposed therebetween. The hydrophobic element is disposed adjacent to the fluid reservoir (i.e., ink, correction fluid, paint reservoir or other water based fluid) and the hydrophilic element is disposed adjacent to the applicator tip or brush.

The invention discloses an office appliance which is characterized in that a cylinder and a pen container are connected into a whole by virtue of a transverse plate; the transverse plate is connected to the side surfaces of the cylinder and the pen container; the cylinder is provided with a plurality of haul grids; the lower end of the first surface of the transverse plate is further provided with a loading grid; one surface, which is parallel to the first surface, of the loading grid is a separable plate surface; the loading grid is further provided with a buckle arranged on one side surface of the loading grid; a plurality of hooks are pasted on the upper end of the first surface; the upper end of the second surface of the transverse plate is further provided with a business card slot; and the outside edge of the business card slot can be further connected with a desk lamp. By virtue of fully utilizing the limited space of the office appliance, the office appliance integrates the functions of various office supplies, not only can be used for loading pens, but also can be used for storing articles, such as correction fluids, erasers and paper clips, which are frequently used for daily office work, and further can be directly connected with one desk lamp, so that the office appliance occupies a small area but can be used for realizing most office functions.

The invention discloses environment-friendly healthy type correction fluid, which is prepared from the following ingredients by weight: 90 to 150 parts of deionized water, 10 to 15 parts of titanium dioxide, 5 to 10 parts of calcium carbonate, 3 to 8 parts of petroleum ether, 7 to 12 parts of chlorinated polyethylene, 2 to 5 parts of potassium permanganate, 3 to 8 parts of sodium sulfite, 5 to 10 parts of pine needle extracting solution, 3 to 7 parts of herba menthae extracting solution and 3 to 7 parts of folium artemisiae argyi extracting solution. The invention also discloses a preparation method of the environment-friendly healthy type correction fluid. Through scientific configuration of the ingredient proportion, the environment-friendly healthy type correction fluid has the advantages that the correction performance is better; the drying speed is higher. Various kinds of plant extraction liquid are added into the environment-friendly healthy type correction fluid, so that the environment-friendly healthy type correction fluid does not have irritant odor or toxicity, and is environment-friendly and healthy.

The invention relates to a correction fluid comprising the components of, by weight: 22-28 parts of titanium dioxide, 12-15 parts of chlorinated polyethylene, 3-7 parts of polyvinyl alkyl ether, 4-6 parts of octane, 2-5 parts of n-hexane, 8-13 parts of petroleum ether, 4-9 parts of methyl cyclohexane, and balance of water. The correction fluid provided by the invention is widely applied. According to the invention, an appropriated adhesive and an appropriate auxiliary agent are applied. The fluid is diluted to a relatively low viscosity, and ballpoint pen error traces can still be covered.

The invention relates to a kind of water-based tippex, which contains following compositions by weight share: 10~20% of bond 1 that is an emulsion contains natural gum, 0.5~14% of the bond 2 that is an emulsion contains organic silicon and aldehyde-ketone resin, 1.5~6.5% of oxidized bleaching, 19.5~51.5% of titanium dioxide, 20~50% of distilled water, 1.5~5% of (as opposed to the total weight) additional functional additives. Its preparation includes following steps: it respectively prepares the colloidal system of bond 1, the colloidal system of bond 2 and the solution of the oxidized bleaching, and then it mixes above materials, the titanium dioxide and the additional functional additives.

The invention discloses a device and method for assembling a spring in a correction fluid pen point, which are used for assembling the spring into a stop collar of the correction fluid pen point. The assembling device is one part of correction fluid automatic assembling equipment and comprises an upper sliding part, a lower sliding part connected with the upper sliding part, a pushing part which is used for pushing the upper sliding part and the lower sliding part to slide, a load support which is used for accommodating the stop collar and a mandril part which is arranged above the load support and used for pushing the spring into the load support, wherein the upper sliding part is fixedly connected with the pushing part, the upper sliding part is provided with a first through hole, and the lower sliding part is provided with a second through hole. According to the assembling device disclosed by the invention, the spring can be reliably assembled into the stop collar in the correctionfluid pen point on the load support, assembling quality and reliability of the spring in the correction fluid pen point are greatly improved, defective products during assembling are reduced, and integrated assembling efficiency of a correction fluid pen is improved.

The invention discloses a pen having a function of a correction fluid, which comprises a pen cap, a pen body and a cartridge. The pen is characterized in that a correction fluid coating device is arranged on an end part of the pen cap; the correction fluid coating device comprises a correction fluid liner, a coating head, a sliding button and an outer cover; the sliding button is used for controlling the stretching of the coating head; and a hole, from which the coating head stretches out, is maintained in the middle of the outer cover. The pen having the function of the correction fluid disclosed by the invention has the advantages of reasonable structural design, convenience in use and taking, and capability of timely correcting a wrongly written character. Meanwhile, the correction fluid coating device is arranged on the pen cap, thereby reducing dead weight of the pen in a writing process and causing the writing to be smoother.

The invention discloses a manual quick drying device for correction liquid. The manual quick drying device is additionally arranged on a common correction liquid bottle, and users can manually press the manual quick drying device, so that air can be outputted by the manual quick drying device. The manual quick drying device comprises a shell (1), a press handle (4), a rod (6) with teeth, a gear (9), a round mirror gear (10), a connecting rod (11) and blades (12). The shell (1), the press handle (4), the rod (6) with the teeth, the gear (9), the round mirror gear (10), the connecting rod (11) and the blades (12) are sequentially connected with one another to form the manual quick drying device. The manual quick drying device has the advantages that press force which is exerted by the users on the press handle is utilized as power and is converted into air force by the aid of the manual quick drying device with the structure, the air is blown out from the lower end of the manual quick drying device, accordingly, effects of quickly drying the correction liquid on the lower portion of the manual quick drying device can be realized, and the manual quick drying device is simple in structure, convenient and easy to use and low in cost.