Abstract: A liquid storage includes at least three layers, an inner layer made of paper base material and an intermediate layer of a paper base laminate having a metal layer or a silica vapor deposition layer formed on the outer surface side of the paper-based inner layer, and an outer layer made of paper base material formed on the outer surface side of the intermediate layer. The paper base laminate is wound into a spiral shape and on the outer surface side of the intermediate layer, the outer layer is also wound into a spiral shape. A polyolefin resin-containing adhesive layer lies in between the inner and intermediate layers and/or between the intermediate and outer layers.

Abstract: Provided is a ballpoint pen refill including: an ink storage tube made of a synthetic resin and storing an ink thereinside; a ball holder made of a synthetic resin and attached to a distal end of the ink storage tube; a ball pressing rod mounted inside the ball holder; and a writing ball stored in a distal end of the ball holder and having a rear end side held by the ball pressing rod, in which the ball pressing rod includes: a fixing portion fixed to the ball holder; a movable portion slidable in a front-rear direction with respect to the ball holder; a compression portion connecting the fixing portion and the movable portion; and a rearward movement restricting portion protruding from a distal end of the fixing portion and provided with a gap from a rear end of the compression portion.

Abstract: A cosmetic applicator capable of stably applying a cosmetic even when the cosmetic contains large particles. A cosmetic applicator includes a barrel, a brush made of bundled fibers and provided in front of the barrel, a cosmetic accommodation portion arranged in a space behind the barrel, a guide that guides a cosmetic from the cosmetic accommodation portion to the brush, a collector that has a comb-shaped outer circumferential surface and that is disposed inside the barrel and at an outer circumferential portion of the guide, and a front barrel supporting the brush at a front portion of the barrel. A capillary force of the guide is 50 to 200 (mm) (as measured using purified water in an environment of 25° C.). (B)/(A) is 0.8 or greater, where (A) (mg) is an amount of cosmetic liquid discharged for 1 (m), and (B) (mg) is an amount of cosmetic liquid discharged for 1 (m) after 30 (m).

Abstract: A writing implement refill includes: an ink storage tube made of a synthetic resin, an inside of the ink storage tube being visible; and an engraved mark, on a surface of the ink storage tube, formed by the synthetic resin being foamed or carbonized or both.

Abstract: A writing instrument includes a shaft barrel and a grip provided at part of the shaft barrel. The grip has a cylindrically shaped inside shaft part and a cylindrically shaped outside shaft part arranged at the outside of the inside shaft part, thinner than the inside shaft part, and made of a nonviscoelastic plastic. A space part is provided between the inside shaft part and the outside shaft part.

Abstract: Provided is a writing implement that maximizes the effective area of a viewer portion allowing visual recognition in the writing direction and that facilitates writing at a high level, at the same time. This writing implement is a writing implement A, including for example, a pen tip 20 that feeds ink from a writing implement body 10 and has a viewer portion 33 allowing visual recognition in the writing direction. The pen tip 20 is comprised of, at least, a writing part 25 and a retainer 30 having the viewer portion 33, an ink feeder portion 26 for feeding the ink from the writing implement body 10 to the writing part 25. The minimum width X of the viewer portion 33 is 3.7 mm or greater and a length Y of the viewer portion 33 is 7.4 mm or greater. The ink feeder portion 26 is arranged on one side of the viewer portion 33.

Abstract: An aqueous liquid cosmetic material suitable for makeup cosmetic materials for eyeshadows, eyeliners, eyebrow makeup, mascaras, and the like that, even when containing a larger amount of a flaky pigment such as a glittering pigment than the known ones and made into a low-viscosity aqueous blending composition, can still greatly improve the intensity of lines drawn using the cosmetic material without causing aggregation or settling of the flaky pigment while also achieving an improved adhering property. The aqueous liquid cosmetic material is a cosmetic material accommodated in a pen-type applicator A having a brush 23 at an application portion, the aqueous liquid cosmetic material containing at least a flaky pigment A, 1 to 9 mass % of a flaky pigment B that is surface-treated with at least one type of crystalline cellulose, a dextrin, a thickening polysaccharide, emulsion particles containing 4 to 10 mass % of an acrylate copolymer in terms of solid content, and water.

Abstract: Provided is a writing instrument in which condensation does not occur in a cap even though the writing instrument is equipped with the cap and which has high writing instrument quality and commercial value. The writing instrument includes at least a barrel in which an aqueous ink is contained; a pen tip provided on a tip side of the barrel and capable of discharging the aqueous ink; and a cap that is removably attached on a pen tip side of the barrel, wherein the aqueous ink has a vapor pressure of 10.3 to 12.3 kPa at 50° C.

Abstract: A mechanical pencil includes a ball chuck, a rotation drive mechanism having a rotary part, a feedout cam face having a step part in the axial direction, an input member rotating upon receiving a rotational drive force of the rotary part, and an output member having an abutting part abutting against the feedout face and a slider provided with a holding chuck holding lead, the abutting part moves along the feedout face corresponding to rotation of the output member and so that advancing motion of the slider when the abutting part drops into the drop difference causes lead held by the holding chuck to be pulled out by the ball chuck, and further including a clutch mechanism transmitting rotational movement of the input member to the output member.

Abstract: An applicator is provided with a container containing an application liquid, an inner plug arranged to close the mouth of the container and opens the valve against the biasing force of a spring member to allow the application liquid in the container to be discharged, and the application member arranged to cover an application liquid outlet of the inner plug and enable the application to the application surface by exuding the application liquid discharged through the inner plug. The application unit with the inner plug has a liquid flow passage that provides a flow resistance to the application liquid from inside the container to the application unit, and the total pressure loss per 1 m3/s in the liquid flow passage is equal to or more than 1×107 Pa·s and less than 1×1010 Pa·s or less.

Abstract: An ink composition for an aqueous ballpoint pen may have excellent ink discharging performance even if a pen point is exposed for a long period of time. Such an ink composition may contain at least from 1 to 35 mass % of titanium oxide having an average particle size of greater than 0.1 um and smaller than or equal to 1 ?m, and from 1 to 35 mass % of non-tacky urethane particles having an average particle size from 0.1 to 6 ?m.

Abstract: This application is related to a fiber-bundled part for writing instruments having excellent strength and durability, as well as a pen tip and a writing instrument using the fiber-bundled part, which can be suitably used for pen tips, ink feed cores and relay cores of writing instruments such as marking pens and felt-tip pens. The fiber-bundled part for writing instruments of the present disclosure is used for the ink feed core leading to the pen tip or a writing pen core, and comprises a multifilament of long fibers having different melting points, and the multifilament at least contain crimped fibers.

Abstract: An aqueous ink composition for a writing instrument may form a uniform coating film with low glossiness and is excellent in scratch resistance and water-resistant adherence even when writing is performed on a non-absorbing surface, and a writing instrument. Such an aqueous ink composition may include at least a coloring material, a neutralized product of an isobutylene-maleic anhydride copolymer, a polyol having two or more OH groups, a water-soluble resin and/or a resin emulsion, and water.

Abstract: Provided is a shaft body for a pencil lead (including a color pencil lead) or a shaft body for a cosmetic such as a rod-shaped cosmetic including an eye liner, an eyebrow pencil, or an eye shadow, which has the same ease of shaving as a conventional wood shaft and has a low impact on the environment. The shaft body for a pencil or a cosmetic according to the present disclosure is a shaft body for a pencil or a cosmetic constituted by coating a pencil lead or a rod-shaped cosmetic with a shaft body material composition, and the shaft body material composition contains at least a naturally-derived constitutional material and a naturally-derived binder.

Abstract: Object To provide an information processing system and the like which enables a user to start communication between a writing instrument and an electronic device with a simple operation. Solution An information processing system includes a writing instrument having a communication function and an electronic device that communicates with the writing instrument. The writing instrument includes a sensor that detects a motion, a determination unit that determines whether the motion detected by the sensor is a predetermined motion, and a transmission unit that transmits a predetermined signal to the electronic device. The transmission unit transmits, to the electronic device, the predetermined signal for causing the electronic device to execute a first operation without an operation by a user, when determining that the motion detected by the sensor is the predetermined motion.

Abstract: Provided is a ballpoint pen refill including: an ink storage tube made of a synthetic resin and storing an ink thereinside; a ball holder made of a synthetic resin and attached to a distal end of the ink storage tube; a ball pressing rod mounted inside the ball holder; and a writing ball stored in a distal end of the ball holder and having a rear end side held by the ball pressing rod, in which the ball pressing rod includes: a fixing portion fixed to the ball holder; a movable portion slidable in a front-rear direction with respect to the ball holder; a compression portion connecting the fixing portion and the movable portion; and a rearward movement restricting portion protruding from a distal end of the fixing portion and provided with a gap from a rear end of the compression portion.

Abstract: To provide a marking ink composition for a writing board having excellent erasability of drawn lines, the marking ink composition essentially containing a pigment, a pigment dispersant resin, a masking agent, and a modified polyvinylalcohol or a polyvinylalcohol having a degree of saponification from 40 to 84% by molar ratio.

Abstract: Provided is an aqueous liquid cosmetic that contains a pigment such as carbon black as a colorant, is capable of achieving, both in a highly balanced manner, cleansing property and fixing property of drawn lines even if the cosmetic does not contain a surfactant, and is suitable for makeup cosmetics such as eye shadow, eyeliner, eyebrow pencil, and mascara. The aqueous liquid cosmetic is contained in an application coating tool that feeds liquid from an application liquid retaining part to an application part, by means of capillary force, and is characterized by containing at least: a pigment containing carbon as the main component; a water-soluble acrylate copolymer selected from Group A; core-shell emulsion particles containing an acrylate copolymer; and an aqueous solvent.