157results about "Nibs" patented technology

The task is to provide an active stylus pen that can write on a written object, such as paper, like a ballpoint pen or a mechanical pencil.An active stylus pen transmitting a signal to a chip provided at a tip of a refill of a ballpoint pen.

The application discloses a pen point and a pen and belongs to the pen field. The pen point comprises a pen tongue, a pen point and a pen holder, the pen holder comprises an arc-shaped fixing sheet and adjusting screws, the arc-shaped fixing sheet is arranged on the outer side surface of the pen point at the ink leading gap ink inlet end, a plurality of adjusting holes are formed on the two sides of the pen point corresponding to the ink leading gap, the adjusting screws are in one-to-one correspondence with the arc-shaped fixing sheet and are screwed with the pen tongue through the adjusting holes, the tail ends of the adjusting screws on the two sides of the ink leading gap are inclined to each other, the length of the adjusting screws screwed into the pen tongue part is changed, the distance between the adjusting holes on the two sides of the ink leading gap is adjusted, the width of the ink leading gap is adjusted, the ink flow at the pen point is adjusted, and different forms of writing requirements are met.

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 invention relates to the technical field of pens, in particular to a pen with a pure gold pen nib, which comprises a pen tongue, an embedding groove is arranged at the top of the pen tongue, the arrangement direction of the embedding groove is consistent with that of the pen tongue, the embedding groove is communicated with the front end of the pen tongue, and an ink guide groove is arranged on the groove wall of the embedding groove; the pure gold pen point covers the pen tongue, a protrusion matched with the embedded groove is formed on the pure gold pen point and corresponds to the embedded groove, the protrusion is embedded in the embedded groove, a part of the protrusion extends out of the embedded groove and is connected with the tip end of the pure gold pen point, and an ink guide seam is formed in the bottom face of the part, extending out of the embedded groove, of the protrusion. And the ink guide seam is communicated with the tip of the pure gold pen point and the ink guide groove in the embedding groove. According to the pen with the pure gold pen point, the pure gold pen point is supported through the pen tongue, the structural stability of the pure gold pen point is improved, in addition, the protrusion is arranged on the pure gold pen point, the thickness of the pure gold pen point is increased through the protrusion part, the strength of the pure gold pen point is improved by increasing the thickness, and deformation of the pure gold pen point is avoided.

To provide an oil-based ink composition for a ball-point pen capable of obtaining good handwriting with good writing feeling even in writing at a high speed or at a high writing pressure while effectively suppressing ink leakage, and hardly causing strike-through, and to provide a ball-point pen.SOLUTION: A ballpoint pen refill for an oil-based ballpoint pen includes an ink reservoir tube, an oil-based ink composition filled in the ink reservoir tube, and a ballpoint pen tip attached to a front end portion of the ink reservoir tube and configured to supply the oil-based ink composition, wherein the oil-based ink composition contains a first phosphoric acid ester which is a polyoxyethylene hydrocarbon phosphoric acid ester having a hydrocarbon group having 4 or more and 17 or less carbon atoms, a second phosphoric acid ester which is a polyoxyethylene hydrocarbon phosphoric acid ester having a hydrocarbon group having 18 or more and 24 or less carbon atoms, water, and a nonionic surfactant.SELECTED DRAWING: Figure 1

To provide a knock-type writing instrument capable of ensuring suppression of volatilization of ink from a pen tip at least before the start of use.SOLUTION: A knock-type writing instrument A is configured such that a refill 20 is stored in a barrel 10, ink is discharged from an ink storage member 18 stored in the refill 20 through a capillary phenomenon of a pen tip 30, and the pen tip 30 freely appears / disappears in / from the tip of the barrel 10 by a knock mechanism 70 provided to the barrel 10. In a state where the pen tip 30 is stored in the barrel 10, a through-hole 42 through which the pen tip 30 can slide back and forth is formed in a center. At least a seal member 40 is provided to the outer periphery in the vicinity of the tip side of the pen tip 30.SELECTED DRAWING: Figure 1

The utility model relates to the field of capacitance pens, and discloses a capacitance pen with a replaceable pen point, which comprises a pen holder, a connecting module is fixedly arranged on the lower end surface of the pen holder, a fixing cover is sleeved on the lower end surface of the connecting module in a threaded manner, the pen point is clamped on the inner bottom surface of the fixing cover, and the connecting module comprises a fixing cylinder. A fixing seat is fixedly arranged on the inner top face of the fixing cylinder, a signal column is fixedly arranged on the lower end face of the fixing seat, the pen point comprises a connecting column, and a clamping block is fixedly arranged on the upper end face of the connecting column. According to the pen, the connecting module is fixedly arranged at the lower end of the pen holder and can be in threaded connection with the fixing cover, the pen point can be placed in the fixing cover, the pen point and the pen holder can be connected when the fixing cover and the connecting module are connected, and the main structure of the pen point is provided with the connecting column; the upper end of the connecting column is connected with a clamping block, and the clamping block can be clamped in the fixing block when the pen point is installed.

The smearing tool comprises a hollow penholder (5) and a wrapping core (6) arranged in the penholder (5), and is characterized in that the porous material refill is installed at the open end of the penholder (5) and provided with a head (1) and a handle (2) connected with the head (1); both the head part (1) and the handle part (2) are made of porous components. The invention has the advantages of smooth painting, continuous ink supply, uniform color development, toughness and durability.

To provide a ballpoint pen tip which can prevent a seal member from being unintentionally removed from the ballpoint pen tip, and also allows a user who wants to remove the seal member from the ballpoint pen tip to do so without feeling bothered.SOLUTION: The gist of the present invention is a ballpoint pen tip in which a mirror-like portion 16 having an arithmetic mean roughness Ra of 90 nm or more and 250 nm or less is formed on the outer wall surface of a ball holder 8, a part of the writing ball protrudes from the front end opening and is prevented from slipping out of the front end opening by a crimped portion and is rotatably arranged within the ball holder, and a resin sealing member 17 which is a hot melt agent is arranged at the front end of the ballpoint pen tip so as to cover part of the front end of the ballpoint pen tip and include at least part of the mirror-like portion.SELECTED DRAWING: Figure 5

A writing tip assembly for dispensing a free-flowing low-viscosity ink from a writing instrument may include a micro-spring, a writing ball configured to transfer ink to a substrate, and a second ball between the writing ball and the micro-spring. The second ball is configured to transfer ink to the writing ball. A writing instrument for dispensing a free-flowing low-viscosity ink includes an ink reservoir, the writing tip assembly, and a feeder fluidically coupling the ink reservoir to the writing tip assembly.

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.

1. A writing instrument (10) configured to emit light to change the appearance of a substrate (52) including at least one photochromic material, the writing instrument (10) comprising: an elongated body portion (12) that allows a user to grip the writing instrument, the body portion including a proximal end (P) and a distal end (D); a first light source (16) configured to emit light from the proximal end, the emitted light including at least a first color component within a first wavelength range (65), the first wavelength range corresponding at least in part to a deactivation spectrum of a first photochromic material (62Y) of the substrate (52); and a controller (18) configured to receive input from a user and generate a signal to control the first light source based on the received user input.

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.

The application discloses a flexible writing pen, which comprises a pen core and a pen shell, the pen core comprises an ink outlet core, an ink storage tube and a connecting seat, the pen shell comprises a pen barrel and a supporting seat, a containing cavity is formed between the pen barrel and the supporting seat, the pen core is arranged in the containing cavity, the connecting seat comprises a supporting column, the supporting column comprises a plurality of column bodies which are connected in an axial direction, according to the different wall thickness, the plurality of column bodies can be divided into at least two parts, the wall thickness of one part of the column bodies is larger than that of the other part of the column bodies, the column bodies which are adjacent in the axial direction are connected through a plate, a plurality of plates which are located between the adjacent column bodies are arranged in an interval along the axial direction of the supporting column, the ink outlet core is arranged on the supporting column and is connected with the ink storage tube through an inner hole of the supporting column, the front end of the supporting seat comprises at least two elastic claw arms, and all the elastic claw arms are arranged in an interval along the circumferential direction of the pen and around the connecting seat. The flexible writing pen can improve the elastic deformation effect of the front end of the pen core.

A ballpoint pen (10) includes a ballpoint pen tip (30), the ballpoint pen tip (30) includes a pipe (40) including a deformed portion (42) and a ball holding chamber (46) formed in front of the deformed portion (42), a ball (32) disposed in the ball holding chamber (46), a center core (50) at least a part of which is disposed in the pipe (40), a gap (34) formed between the ball (32) and a front end (57) of the center core (50), and an ink channel (60) formed between the center core (50) and the pipe (40), in which the ballpoint pen tip (30) includes a first region (A1) and a second region (A2) positioned to the rear of the first region (A1), and a cross-sectional area of the ink channel (60) in the first region (A1) is larger than a cross-sectional area of the ink channel (60) in the second region (A2).

Provided is a writing implement in which the pen tip is supported in a tiltable manner so that the entire pen tip makes contact with a paper surface, and which makes it possible to relatively easily draw a straight line as intended.　The front portion of the pen tip extends in a linear direction that is tilted at an acute angle with respect to the axis direction in a side view, and the cross section of the front portion of the pen tip with respect to the extending direction has a substantially rectangular shape. A holding member has a holding portion that surrounds at least a part of the front portion of the pen tip. The holding portion has openings that are provided on both longer dimension sides of the substantially rectangular cross section of the front portion of the pen tip. The vertex portion of the pen tip is formed to be substantially straight in a side view, and is substantially perpendicular to the extending direction of the front portion of the pen tip. The back end edge of each of the openings is formed to be substantially straight in a side view, and is substantially parallel to the vertex portion of the pen tip. The holding portion has an extending piece that extends in a direction substantially parallel to the extending direction of the front portion of the pen tip and that is provided on a shorter dimension side of the substantially rectangular cross section of the front portion of the pen tip, said shorter dimension side being on the inner side in a side view.

A ballpoint pen head is provided with: a cylindrical holder having a ball seat therein, the tip of the holder being configured from a pressing part having a diameter reduced toward the inside; a first tapered surface formed on the outer periphery of the holder, the tip of the first tapered surface being tapered; a second tapered surface having a tapered tip, which is formed on the outer periphery of the holder at a position closer to the tip side of the holder than the first tapered surface, and has a taper angle of 60 degrees or more and greater than the taper angle of the first tapered surface; a third tapered surface which is formed on the outer periphery of the pressing part, is connected to the second tapered surface, and has a tapered angle larger than that of the second tapered surface; and a writing ball which is accommodated in the ball seat in a state in which a part of the writing ball protrudes from the front end of the holder, and the protruding amount of the writing ball protruding from the front end of the holder is 25% or more of the diameter of the ball.

To provide a coating container that can improve the retention of liquid contents. [Solution] An application container according to one embodiment comprises a brush bristle formed by bundling a plurality of fibers, a relay core that supplies liquid contents to the brush bristle from the rear end of the brush bristle, and a main body that houses the rear end of the brush bristle and the relay core. At least a portion of the plurality of fibers in the brush bristle are improved fibers 5a. The first cross-section 5b of the improved fiber 5a perpendicular to the extending direction A and the second cross-section 5c of the improved fiber 5a perpendicular to the extending direction A at a position away from the first cross-section 5b in the extending direction A have different shapes from each other.

[Problem] The present invention addresses the problem of providing: an ink composition for an oil-based ballpoint pen, said ink composition improving writability and suppression of wear of a ball seat under a high writing pressure (writing load of 300-500 gf) and having good writing performance, temporal stability, and ink followability; and an oil-based ballpoint pen using said ink composition. [Solution] This ink composition for an oil-based ballpoint pen is characterized by containing a colorant, an organic solvent, and polyoxyalkylene glyceryl ether.

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.

A needle tube type spring pen point in the field of stationery comprises a ball and a needle tube, and is characterized in that an ejector pin smaller than the diameter of a spiral wire is arranged at the front end of the spiral wire of a spring close to a uniform gap of a bulge in a needle tube hole. And a smooth ink supply pipeline is formed in a uniform screw pitch space, so that smooth and fluent writing, clear handwriting and intact lines are realized.

This suppresses ink leakage from the air passage in the pen nib. [Solution] The pen nib 30 is a pen nib for a fountain pen 10 comprising an ink passage 32 through which ink flows from the ink reservoir 16 to the nib 22 when writing, an air passage 34 through which air flows from the outside to the ink reservoir 16, an outer core 40 having a through hole 42 extending in the axial direction da, and an inner core 50 disposed within the through hole 42, wherein the outer core 40 has a first connecting the through hole 42 and the outer peripheral surface 46 of the outer core 40 The inner core 50 has a slit 44, a second slit 52 extending in the axial direction da and communicating with the first slit 44, a rear groove 54 extending in the axial direction da, a first wall portion 65 positioned in front of the rear groove 54, and a second wall portion 66 positioned in front of the first wall portion 65. The ink passage 32 includes the first slit 44 and the second slit 52, and the air passage 34 includes the rear groove 54, the first wall portion 65, and the second wall portion 66.

This invention provides an oil-based ink composition for ballpoint pens that excels in ink stability after long-term storage, suppresses skipping at the start of writing, and provides a soft and smooth writing feel, even when using dyes, and an oil-based ballpoint pen using the same. In particular, it provides a ballpoint pen that has good ink stability after long-term storage and good writing performance, even when nickel silver is used for the pen tip. [Solution] The oil-based ink composition for ballpoint pens of the present invention comprises at least a dye as the coloring agent, inorganic fine particles and / or resin, a glycol ether of the following formula (I), and a triazole represented by the molecular formula C2H3N3, and is tested at a temperature of 25°C and a shear rate of 300 s. -1 The viscosity measured under these conditions is 100-700 mPa·s. TIFF2026112064000010.tif25122 [R 1 , R 2 , R 3 [H or CH3 are independent.]

The utility model relates to a magnetic writing pen suitable for a magnetic writing board, in particular to a magnetic writing pen, which comprises a holding penholder, a magnetic writing board and a magnetic writing board, the pen point assembly is connected to one end of the pen holder and comprises a flexible connecting piece and a pen point structure, the pen point structure comprises a plurality of magnetic bars, each magnetic bar is provided with a connecting end and a writing end, and the connecting end of each magnetic bar is connected to the flexible connecting piece; when the writing end of the magnetic bar is subjected to external force, the joint of the flexible connecting piece and the connecting end, connected with the flexible connecting piece, of the magnetic bar correspondingly deforms. According to the magnetic writing pen, the problems that the display effect of written content on the magnetic writing board is fuzzy and the color is light are solved, the writing effect of the magnetic writing pen on the magnetic writing board is remarkably improved, and the display is clearer and brighter.

The invention relates to a method for manufacturing a writing ball and the writing ball obtained by the method. A method for manufacturing a writing ball includes: a ball forming step of forming a ball including at least a first hard component including a first metal, a second hard component including a second metal, and a binding component; a surface treatment step for performing a mechanical roughening treatment after performing smooth surface finishing on the formed sphere to form a smooth surface; and an etching step for etching the surface-treated sphere using a solution in which the second hard component is dissolved but the first hard component is not dissolved, and performing the mechanical roughening treatment so as to obtain an amount of depression from the smooth surface that is greater than an amount of depression from the smooth surface through the etching step.

The utility model provides a soft pencil which comprises a nib and a penholder, the penholder is detachably connected with the nib, the end, close to the nib, of the penholder is a first end, and the end, away from the nib, of the penholder is a second end; the first end is a holding part made of a hard material, and the second end is made of a soft material; the pen point is an eternal pen point and comprises a pen point and a protrusion, the pen point is fixedly connected with the protrusion, the protrusion is detachably installed at the first end of the pen holder, the pen point is exposed out of the pen holder and is in a conical shape, and the tip end of the pen point is far away from the pen holder. The first end of the soft pencil serves as the holding part for holding and writing, a good supporting effect is achieved, writing experience is not affected, the second end is made of soft materials, the rear end of the pencil is prone to deformation, the situation that a user is accidentally injured due to the fact that the whole pencil is too hard in the chasing and alarming process of the user is avoided, and the soft pencil has the advantage of being high in safety. The pencil holder and the pencil point are detachably connected, the pencil can be directly replaced by replacing the pencil point, sharpening is not needed, and replacement is convenient and rapid.

The present application relates to the technical field of pen, and discloses a regulating mechanism for adjusting the elasticity of pen nib, comprising a pen body, a tongue and a nib arranged on the pen body, a plurality of tongue extension parts are arranged on the end of the tongue close to the nib, a limiting fixing part is arranged on one of the tongue extension parts, the limiting fixing part is used for mounting the tongue extension part on the end of the tongue, the pressure between the nib and the tongue can be adjusted to change the elasticity of the nib. The regulating mechanism for adjusting the elasticity of pen nib and the adjusting method thereof adopt the technical means of the tongue extension part and the limiting fixing part, so that the length of the tongue can be adjusted according to the writing habit in the writing process, when the tongue is shortened, the elastic deformation of the nib upward by the tongue is reduced, according to Hooke's law, the pressure between the nib and the tongue is reduced accordingly, and the nib is more easily upward.