96results about "Nibs" patented technology

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

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.

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.

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 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).

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 present invention provides a fiber bundle for writing instruments that is excellent in strength and durability, and can be suitably used for the pen tips, ink supply cores, and intermediate cores of writing instruments such as marking pens and felt-tip pens, as well as pen tips and writing instruments using the same. [Solution] The fiber bundle for writing instruments of this disclosure is a fiber bundle for writing instruments used as an ink guide core for a pen tip or a writing pen core, characterized in that the fiber bundle for writing instruments is composed of a multifilament of long fibers having fibers with different melting points, and the multifilament contains at least crimped fibers.

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 water color pen comprises a pen shell, a refill assembly, an adjusting mechanism and a buckling part, a pen ink part is arranged in the pen shell, a refill outlet is formed in the lower end of the pen shell, a refill is arranged in the pen ink part, and the refill extends to the outer side of the refill outlet to be fixed to the refill assembly. The refill assembly comprises a main refill and a plurality of side refills arranged around the main refill, blade point faces with different widths are arranged at the tail ends of the side refills, and the adjusting mechanism comprises an adjusting ring arranged on the outer side of the pen shell in a sleeving mode, a ring block located in an annular groove of the pen shell, a rotating ring located in a rotating groove of the pen shell and a semi-ring plate fixed to the lower end of the rotating ring. The adjusting ring, the ring block and the rotating ring are fixedly connected, and the semi-ring plate surrounds the refill assembly; according to the utility model, not only can multiple line width choices be provided, but also the line width change caused by low hand stability can be prevented, so that the drawing is more stable.

The present invention provides an aqueous ink composition for ballpoint pens that can suppress wear of the ballpoint pen tip while using a hard inorganic pigment. [Solution] The water-based ink composition for ballpoint pens of the present invention, It contains at least resin particles and an inorganic pigment composed of an inorganic compound having a Mohs hardness of 5.5 or higher. The ratio of the average particle diameter of the resin particles to the average particle diameter of the inorganic pigment is 2.0 or greater, and The average particle size of the resin particles and the inorganic pigment is the volume-average particle size Mv obtained from the scattering intensity distribution measured by laser diffraction.

A writing instrument (1) is provided with: a penholder (2); an ink storage body (6) which is disposed inside the barrel (2) and into which ink is impregnated; an ink replenishment unit (10) that is disposed rearward of the ink storage body (6) and that has a vent hole (12) and an ink discharge hole (13); and an ink storage member (20) which can be attached to the rear end portion of the barrel (2) and which can store ink, and which is configured such that, when the ink storage member (20) is attached to the rear end portion of the barrel (2), the ink in the ink storage member (20) can be supplied to the ink storage body (6) via the ink discharge hole (13) of the ink replenishment unit (10).

The application provides a refillable marker pen, which comprises a pen barrel, a tail cover threadedly connected to the tail of the pen barrel, two semicircular blocks fixedly connected to the tail cover, a "I" groove reserved between the two semicircular blocks, a connecting piece threadedly connected to the top of the pen barrel, a writing mechanism arranged on the connecting piece, a pen cap arranged on the outer wall of the connecting piece, an uncapping protrusion integrally formed on the pen cap, and a connecting mechanism arranged on the pen cap.

The utility model relates to the technical field of sign pens, in particular to a novel ultra-high molecular wear-resistant telescopic variable-angle sign pen which comprises a protective shell, a rotary disc and a fixing rod, a detachable protective plate is arranged at the upper end of the protective shell, a rotating rod is arranged at the upper end of the protective plate, an adjusting rod is arranged in the rotary disc, and the rotary disc is connected with the fixing rod. An opening is formed in the upper end of the rotating disc, a groove is formed in the fixing rod, a threaded rod and a sliding rod are arranged in the groove, a fixing box is arranged at the upper end of the side wall of the fixing rod, a spring, an auxiliary plate and a locking rod are arranged in the fixing box, a fixing hole is formed in the side wall of the fixing rod, and a plurality of auxiliary holes are formed in the side wall of the sliding rod. According to the sign pen, the fixing hole can coincide with the auxiliary hole, the locking rod penetrates through the fixing hole and the auxiliary hole and is in sliding connection with the fixing hole and the auxiliary hole, the flexibility of the sign pen is improved, the use experience of a user is enhanced, and the stable fixing mechanism ensures the writing stability and accuracy of the sign pen.

[Problem]To provide an oil-based ink composition for ballpoint pens and also an oil-based ballpoint pen employing the composition. The ink composition inhibits a ball seat from wearing under high pen pressure (writing load: 300 to 500 gf), improves writing feeling, and is excellent in writing performance at the beginning of handwriting, in temporal stability and in ink followability.[means to solve the problem]An oil-based ink composition for ballpoint pens, comprising a colorant, an organic solvent, and a polyoxy-alkylene glyceryl ether.

This suppresses ink leakage from the air passage in the pen nib. [Solution] The pen core 30 comprises an ink passage 32 through which ink 80 flows from the ink reservoir 16 to the pen tip 22 when writing, an air passage 34 through which air flows from the outside to the ink reservoir, 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. The outer core has a first slit 44 that connects the through hole to the outer peripheral surface 46 of the outer core. The inner core has a second slit 52 that extends in the axial direction and communicates with the first slit, a rear groove 54 that extends in the axial direction, a wall portion 63 located in front of the rear groove, a plane 67 that is circumferentially offset from the rear groove and extends parallel to the central axis A, and a front passage 70 located in front of the wall portion that bends along the plane and extends forward. The ink passage includes the first slit and the second slit, and the air passage includes the rear groove, the wall portion and the front passage.

In the present invention, a writing instrument 1 includes a shaft cylinder 2, an ink storage body 6 disposed inside the shaft cylinder 2 and impregnated with ink, an ink replenishment part 10 that is disposed behind the ink storage body 6 and that has a ventilation hole 12 and an ink discharge hole 13, and an ink storage member 20 that can be attached to a rear end part of the shaft cylinder 2 and can store ink. When the ink storage member 20 is attached to a rear end part of the shaft cylinder 2, the ink in the ink storage member 20 can be supplied to the ink storage body 6 through the ink discharge hole 13 of the ink replenishment part 10.

To provide a new oil-in-water type ink composition which does not cause or hardly causes corrosion of a ball part and a holder part of a ballpoint pen even when the ballpoint pen is stored for a long period of time under high humidity and / or low temperature.SOLUTION: The oil-in-water type ink composition has an aqueous phase and an oil phase dispersed in the aqueous phase, wherein at least one of the oil phase and the aqueous phase contains a colorant, and the oil phase contains a rust inhibitor having a molecular weight of 90 to 500.SELECTED DRAWING: Figure 1