184results about "Other pens" patented technology

To provide a pen point for a direct liquid type writing brush pen which has a proper hardness, can obtain a writing feeling equivalent to that of a pen point for a general direct liquid type writing brush pen, and can withstand a repeated knocking operation when used for the direct liquid type writing brush pen of a type in which a valve mechanism is operated by the knocking operation to exude ink to the pen point, and the direct liquid type writing brush pen using the same.SOLUTION: This pen point is used for a direct liquid type brush pen equipped with a valve mechanism and is formed by bundling fibers consisting of nylon resins to form a fiber bundle, bonding and solidifying the fiber bundle with a synthetic binder to make the fiber bundle rod and cutting the fiber bundle into a desired shape. Preferably, the thickness of the fiber is in the range of 0.5 to 5 denier, and the porosity calculated from the following formula is 70 to 80%. Porosity = (1-weight / circular constant * radius 2 * length * specific gravity) SELECTED DRAWING: Figure 1

The utility model relates to the technical field of water color pens, in particular to an environment-friendly macromolecule shading and color-overlapping washable water color pen which comprises a pen shell, a pen refill and an adjusting device, a connecting pipe is arranged at the lower end of the pen refill, the adjusting device comprises a rotating rod and a sealing plate, a penetrating pen point is arranged at one end of the connecting pipe, a protective cover is arranged on the outer side of the pen shell, and the protective cover is arranged on the outer side of the pen shell. A cleaning box is arranged at the upper end of the protective cover, a cleaning cavity is formed in the cleaning box, a cleaning rod and cleaning bristles are arranged in the cleaning cavity, the cleaning rod penetrates through the cleaning cavity, the cleaning bristles are arranged on the periphery of the cleaning rod in a multi-group mode, an opening is formed in one end of the upper side wall of the cleaning box, and the opening is communicated with the cleaning cavity. Different effects of fine drawing or bold sprinkling are achieved, the color is bright and lasting, the pen is more environmentally friendly and safer, emission of harmful substances is reduced, and the pen is more friendly to users and the environment.

A writing instrument (10) is provided with: a shaft tube (15); a pen point member (50) having a writing part (52) on which handwriting is formed; and a holding member (70) that is attached to the shaft tube (15) and holds the pen point member (50), the holding member (70) having: a plurality of ribs (71) that protrude inward and come into contact with the pen point member (50); and a plurality of claw parts (80) extending rearward and disposed outside the pen point member (50), the claw parts (80) being deformed inward and coming into contact with the pen point member (50) in a state in which the holding member (70) is attached to the shaft tube (15), and the movement of the pen point member (50) in the axial direction (da) relative to the holding member (70) being restricted.

An axial cylinder extending in an axial direction along a center axis and a writing member disposed inside the axial cylinder. The axial cylinder has fiber-like protrusions protruding toward an outside in a radial direction from an outer circumferential surface of the axial cylinder, the plurality of fiber-like protrusions are provided side by side on the outer circumferential surface, and each of the fiber-like protrusions has a plurality of rib parts which extend in predetermined directions when viewed from the outside in the radial direction and which are disposed side by side in a width direction orthogonal to the predetermined directions and a step part which is disposed between rib parts adjacent to each other in the width direction or disposed at an end portion in the width direction of the rib parts and extends in a predetermined direction.

The present invention provides a reversible thermochromic composition which exhibits black color upon coloration and colorless color upon discoloration, and has excellent light resistance, by using a fluoran derivative having a specific structure as an electron-donating chromogenic organic compound, and a reversible thermochromic microcapsule pigment containing the reversible thermochromic composition. The means for solving the problem is a reversible thermochromic composition comprising: (a) a fluoran derivative having a specific structure as an electron-donating chromogenic organic compound, (b) a compound having a specific structure as an electron-accepting compound, and (c) a reaction medium which allows the electron transfer reaction between the (a) component and the (b) component to occur reversibly in a specific temperature range, and a reversible thermochromic microcapsule pigment containing the reversible thermochromic composition.

To provide an applicator that can use an application liquid without waste.SOLUTION: An applicator 1 has a shaft cylinder 2 and application body parts 3 and 4, and makes the application body part 3 contact with an application object to apply an application liquid. At least one of the application body parts 3 and 4 is formed, including a first application body part 16 and a second application body part 17 arranged in parallel. The applicator has a first application liquid occlusion body 6 occluding an application liquid to be applied by the first application body part 16, and a second application occlusion body 7 occluding an application liquid to be applied by the second application body part 17. The first application liquid occlusion body 6 and the second application liquid occlusion body 7 are difference in length and / or thickness.SELECTED DRAWING: Figure 2

To provide: an aqueous ink composition for a writing instrument which forms a uniform coating with low gloss and has superior abrasion resistance and water-resistant adhesion even when used to write on a non-absorbent surface; and a writing instrument.SOLUTION: An aqueous ink composition for a writing instrument comprises at least: a color material; a neutralized isobutylene / maleic anhydride copolymer; a water-soluble resin and / or resin emulsion; and water. The acid value of resin in the water-soluble resin and / or resin emulsion is 240 or less.SELECTED DRAWING: None

The present invention provides an ink reservoir capable of suppressing deterioration of the ink contained within it. It also provides a writing instrument having such an ink reservoir, and a method for manufacturing the ink reservoir. [Solution] An ink container having an internal space for containing ink, comprising a resin container body with one or both ends open, and an inorganic barrier layer provided on the surface of the container body, wherein the barrier layer comprises an inner barrier layer provided on the inner surface of the container body and an outer barrier layer provided on the outer surface of the container body, and the thickness of the barrier layer is 1 nm or more and 300 nm or less.

Provided is an aqueous ink composition for a writing implement that is easily wetted on a non-absorbing surface, enables stable writing without repelling of a drawn line, prevents blurring of the drawn line even when a cap is removed, is excellent in non-drying property, has no difference in vertical density of a coloring material in a pen core, and is excellent in drawn line drying property, and a writing implement using the same favorable as a marking pen or a marker pen. The aqueous ink composition for a writing implement according to the present disclosure includes at least a coloring material, 0.01 to 10 mass% of a neutralized product of an isobutylene-maleic anhydride copolymer, 0.001 to 5 mass% of one or more surfactants selected from an anionic surfactant and a nonionic surfactant, and water.

Provided is a valve opening / closing type writing instrument capable of obtaining a soft writing feeling such as that with a brush and supplying ink stored in a barrel to a pen core by reliably opening a valve by an operation of pushing the pen core.　In this valve opening / closing type writing instrument, following an operation of pressing a pen tip of a pen core, a valve mechanism 5 is opened by the backward movement of the pen core 4 and a liquid in a liquid storage chamber 1a is supplied to the pen core. The valve opening / closing type writing instrument is characterized in that: when a writing drawing line width when a load (Ly) required to open the valve mechanism is applied to the pen core is Y [mm], a writing drawing line width when a load (Lx) at the start of writing is applied to the pen core is X [mm], and a writing drawing line width when an intermediate load (Lz = 0.5Ly) of 1 / 2 the load required to open the valve mechanism is applied to the pen core is Z [mm], Y / X >3 and Z / X > 2 are satisfied.

The utility model discloses an interesting electronic color pen suite which comprises a pen body, a pigment disc, a color developing lamp set, a magnetic force component, a functional circuit board and a magnetic field induction device, a plurality of material boxes are arranged on the pigment disc, all the material boxes are used for containing colorless ink of the corresponding color, and when the pen point of the pen body stretches into the material box of the needed target color to be dipped in the ink, the color developing lamp set is driven by the magnetic force component. The magnetic field induction device at the bottom of the material box induces a magnetic field and feeds back the magnetic field to the functional circuit board, and the functional circuit board controls the color developing lamp set to emit light of the corresponding color, so that a user can quickly know the current color of the pen body, the interestingness of drawing is increased, and the whole pen body looks more attractive. Moreover, color selection is flexible and convenient, multiple color pens do not need to be carried, carrying and storage are facilitated, meanwhile, pen bodies are connected through wires, and the problem that the pen bodies are lost is avoided. In addition, colorless ink is adopted, so that the color developing effect is achieved only on matched paper, and the problem of disordered painting in a non-painting area is effectively solved.

An attachment structure in a writing tool provided with a first component and a second component inserted into an insertion hole provided at an end of the first component. The second component is provided with a small-diameter part, a large-diameter part provided in front of the small-diameter part, and a first outer step part provided between the small-diameter part and the large-diameter part. The insertion hole is provided with a small-diameter hole part and an inner step part provided in front of the small-diameter hole part. The small-diameter part is inserted or loosely inserted into the small-diameter hole part. The first outer step part contacts the inner step part. The small-diameter hole part is provided with a barb part protruding from an inner surface of the small-diameter hole part. The barb part is deformable when contacting the small-diameter part during insertion of the second component.

To provide a refill capable of suppressing DC phenomena at a high level, and a writing instrument equipped with said refill. [Solution] A filter having an average pore size within a specific range is placed in the refill, and an ink composition having a viscosity within a specific range is filled in. Specifically, the refill, which is attached to a writing instrument, comprises at least a tip and a cylindrical ink container connected to the tip, wherein the tip and the ink container are filled with an ink composition, the ink container includes a filter made of a porous material that flows through the ink composition and is positioned perpendicular to the direction in which the ink composition follows, the filter has an average pore size of 0.01 μm to 9 μm as measured by the half-dry method, and the ink composition has a shear rate of 380 sec. -1 The refill has a viscosity of 5 to 90 mPa·s.

A pen-type hazardous material applicator for applying metal pretreatment material to complex geometries including blind holes, through holes, rivets, slots, chamfers, counterbores, counterbores and other hard to access surfaces.

A toy vehicle is disclosed that integrates customizable surface markings, removable accessories, and functional storage for drawing instruments. The vehicle includes a main body formed of a smooth, erasable substrate configured to receive and release markings from marking instruments. The marking instruments are dual-purpose, allowing users to draw directly on designated surface regions of the vehicle and to be stowed in integrated compartments that visually mimic functional automotive elements such as headlights, taillights, and exhaust ports. The vehicle further includes removable charms and stylized figures attachable to predefined locations. Internal storage compartments retain accessories when not in use. An embedded drive assembly, power system, and remote-control interface enable electronic actuation, while integrated decorative stickers and modular mounting zones allow for extensive personalization.

The utility model discloses a whiteboard pen ink supply device and a whiteboard pen, and belongs to the technical field of stationery, the whiteboard pen ink supply device comprises a hollow ink storage core, an ink leading core and a pen point, the hollow ink storage core comprises a shell and an ink storage cotton core arranged in the shell, and the ink storage cotton core is internally provided with a hollow cavity; the ink guiding core comprises an ink guiding cotton core, the ink guiding cotton core is arranged in the cavity and is attached to the inner wall of the cavity, an ink injection cavity is formed in the portion, not provided with the ink guiding cotton core, in the cavity, and the ink injection cavity is located on the upper portion of the ink guiding cotton core; the pen point is arranged at the end, away from the ink injection cavity, of the ink guiding cotton core and attached to the ink guiding cotton core. Therefore, the structure of the whiteboard pen ink supply device is simplified, and the production and manufacturing cost is reduced. Besides, an ink injection cavity is formed in the whiteboard pen ink supply device, so that an ink injection needle can be conveniently positioned during ink injection, and the integrity of an ink storage cotton core structure can be kept.

The present invention relates to a writing instrument. The writing instrument includes a barrel (10), a writing head (30) that protrudes forward of the barrel (10) to eject ink when pressed against a writing surface, and an ink supply (50) that supplies ink to the writing head (30) from the rear side. The writing head (30) is located at a separation position that is spaced apart forward of the ink supply (50), and is moved to a contact position that contacts the ink supply (50) from the front side by a prescribed operation.

The present invention provides a dispensing device that reduces the occurrence of unintended tip detachment while facilitating tip replacement. [Solution] The applicator has a peripheral wall portion that extends in a continuous or intermittent ring shape, the peripheral wall portion into which a part of the applicator can be inserted, and the portion surrounding the outside of a part of the applicator further has a first projection and a second projection that protrude inward from the peripheral wall portion, and when a virtual plane that is parallel to the direction of insertion of the applicator and includes the center line of the region enclosed by the peripheral wall portion is defined as a reference virtual plane, and the region located on one side of the reference virtual plane within the region enclosed by the peripheral wall portion is defined as the first region, and the region located on the other side is defined as the second region, the first projection and the second projection are formed at positions far apart in the direction of insertion of the applicator, and one of the first projection and the second projection is formed so that the whole fits within one of the first region and the second region, and the other projection is formed so that the whole fits within the other of the first region and the second region.

A writing instrument part that improves the releasability of a core pin is provided. In a writing instrument part by the insert molding method in which a wooden barrel material made of natural wood flour and a water-soluble resin binder is injected into a mold, the wooden barrel material and a core pin having a paper straw inserted therein are integrated, and a two-layer structure having a paper straw layer as an inner layer and a wooden barrel layer as an outer layer is formed.

To provide a mechanical-type paint marker pen that allows ink to be easily discharged by pressing the ink tank according to Bernoulli's theorem, making it easy to use and increasing operation efficiency, and that allows the use of a relatively inexpensive polyester nib instead of an expensive acrylic nib, and when a brush nib is used, the product lineup to be expanded to include watercolor markers, or the like, allows high-viscosity ink to be used, making it possible to expand into other industries such as nail polish.SOLUTION: The mechanical-type paint marker pen includes a body; an ink tank connected to the inside of the body and containing ink; an inner rod inserted into the ink tank and connected to the body; an ink discharge part fixed to the body and discharging ink; and a nib connected to the ink discharge part.SELECTED DRAWING: Figure 1

Devices for writing and dry erase marker(s) with integrated eraser(s), insert(s) associated therewith, and a method for making and / or using the same can be provided. The device can include a body comprising an aperture and a release button, and a plunger cartridge assembly provided in the body. The plunger cartridge assembly can be configured to be deployed through the aperture and retracted by pressing the release button. The plunger cartridge assembly can also be removable from the body by pressing the release button when in a retracted position.

The present invention provides an ink storage member for writing implements that further reduces the environmental impact by replacing the conventional aluminum with silica for the intermediate layer between the inner and the outer layer, both of which use paper as a base material, in a paper refill for writing implements. An ink storage member for writing implements has at least three layers, including an inner layer of a paper base material, an intermediate layer formed on an outer surface of the inner layer, and an outer layer of the paper base material formed on an outer surface of the intermediate layer, wherein the intermediate layer has at least one layer selected from the group consisting of an aluminum oxide film layer, a silica film layer formed from a low molecular weight silane, and a silica film layer formed from a polysilazane.

To prevent rapid liquid leakage by a writing instrument with a valve opened by pressing a body.SOLUTION: A writing instrument includes: a barrel of which an inner space is an ink storage portion storing ink, and which can be deformed by pressing a side surface; a writing tip end that is formed as a point of brush bundling fibers; a tip shaft in which the writing tip end is inserted and that is attached to the tip end of the barrel; a valve mechanism that is stored in a tip end part of the barrel and opens in conjunction with the pressing of a side surface of the barrel; a valve insertion member that has a bottom plate located at a tip end edge of the valve mechanism and formed with a valve insertion hole at a core, and a cylinder portion inserted in a tip end side inner part of the valve mechanism and formed with a rear storage portion in the inner space; and a channel resisting valve that has a columnar portion stored in the rear storage portion and contacting with a rear end surface of the bottom plate of the valve insertion member at a tip end surface, and an inserting portion projected out from a tip end surface of the columnar portion and inserted in the valve insertion hole. At a part of the tip end surface of the columnar portion of the channel resisting valve, a liquid path depressed backward is formed.SELECTED DRAWING: Figure 17

This application tool is provided with: a barrel which accommodates an application liquid therein and which can be deformed by being pressed on the side surface thereof; the smearing part forms a pen point, and a liquid through hole is formed in the rear end of the smearing part; the smearing part penetrates through the front rod, and the front rod is installed at the front end of the pen rod; an application part holding member which is housed inside the front bar, holds the rear end of the application part toward the front end direction, and has a through-hole open in the front at the axial center of the application part holding member; a valve mechanism which is accommodated in the front end portion of the barrel, is installed between the application liquid accommodating portion and the application portion holding member, and opens a valve in response to the pressing of the side surface of the barrel; a porous relay core which is inserted into the through-hole and the liquid through-hole, and which connects the application part holding member and the application part; a front rod insert which is inserted through the front end of the front rod in a state in which the application part is inserted, the front end edge of the front rod insert being exposed from the front end of the front rod; and a cover that covers the front end of the front lever and has a step therein, the step pressing the front end of the front lever insert rearward in a state in which the cover is attached to the front lever.

A composition comprising a sintered porous ultra-high molecular weight polypropylene material having a viscosity average molecular weight exceeding 500,000, an average pore size ranging from 10 [mu] m to 200 [mu] m, and a porosity ranging from 20% to 60%. Devices and methods including such compositions.