568results about "Ball-point pens" patented technology

The utility model discloses a pressing type interesting ballpoint pen. The ballpoint pen comprises a pen holder, a refill, a pressing assembly, a supporting assembly, a pen cap and a pattern display assembly. The refill is slidably arranged in the penholder and comprises a first state in which the front end extends out of the penholder and a second state in which the front end is located in the penholder. The refill is sleeved with the pressing assembly, and the refill can be switched between the first state and the second state by pressing the rear end of the pressing assembly. The rear end of the pen cap sleeves the supporting assembly, and the front end of the pen cap extends in the axial direction of the pen holder. The supporting assembly at least partially sleeves the rear end of the pressing assembly. The pattern display assembly is arranged between the pen cap and the pen holder, rotationally connected with the pressing assembly and slidably connected with the supporting assembly. When the pressing assembly is pressed to enable the refill to be converted from the second state to the first state, the pattern display assembly rotates around the front end of the pattern display assembly, and the rear end of the display piece gradually extends out of the lower side of the pen cap. Through the arrangement, the ball-point pen is higher in interestingness, and interestingness and pressure can be increased for a user.

The present invention discloses a jumping ballpoint pen core that is conducive to ink discharge, including a pen tip, a small front tip, a connecting piece, a water-drawing core, a regulator and a pen tube, a first compression spring is arranged between the water-drawing core and the regulator, an outer ball and an inner ball are arranged in the pen tip, one end of the water-drawing core extends into the pen tip and abuts against the inner ball, and an inwardly protruding barrier ring is arranged in the pen tip; an ink scraping groove is arranged on the outer wall of the water-drawing core, and the water-drawing core creeps and drives the ink scraping groove to shake when writing and stopping to transport ink toward the pen tip. The present invention opens an ink scraping groove on the outer wall of the water-drawing core, and when the pen core is writing, the water-drawing core moves back and forth, and then when writing and stopping, the water-drawing core creeps back and forth and drives the ink scraping groove to move back and forth to squeeze and transport ink toward the pen tip; and the pen tube is locked on the connecting piece by a locking protrusion, thereby preventing the pen tube from falling off and leaking ink.

The technical objective of the present invention is to provide a pen which is easy to carry. To this end, the pen of the present invention comprises: a pen body which has a flat quadrilateral shape; and a pen core seating part which is provided in the pen body and in which a pen core is detachably seated.

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.

A knock-type writing implement 1 includes a shaft tube 2, a knock member 30 which is formed in a cylindrical shape and which has a cam surface, and a rotor 40 which is disposed in front of the knock member and which has a cam receiving surface that cooperates with the cam surface of the knock member and an insertion portion 41 that can be inserted into the knock member, wherein: first restricting portions 36 are formed on an inner surface of the knock member, and second restricting portions 47 are formed on an outer surface of the insertion portion of the rotor; the configuration is such that, when the cam surface and the cam receiving surface cooperate with one other to rotate the rotor relative to the knock member by means of a knock operation, thereby causing the knock-type writing implement to adopt a writing state, the first restricting portions 36 and the second restricting portions 47 are aligned in the radial direction, thereby restricting the movement of the knock member in the radial direction with respect to the rotor; and the configuration is such that the first restricting portions 36 and the second restricting portions 47 are not aligned in the radial direction during the knock operation.

A gel pen with multiple modules comprises a pen core module, a pen holding module and a pen cover module, the pen core module comprises a liquid storage cavity used for containing ink and a pen mouth communicated with the liquid storage cavity, the liquid storage cavity and the pen mouth form a pen core part of the gel pen, and the pen core module is exposed out of the gel pen and forms a pen body part used for taking the gel pen. The pen holding module is arranged on the refill module to form a holding part of the gel pen, and the pen cap module is arranged on the pen holding module to be used for protecting a pen mouth of the refill module. According to the gel pen with the multiple modules, different modules can be replaced for use according to requirements of people or scene requirements, and the use experience of people is improved.

To provide an oil-based ink composition for a writing instrument which improves writing performance by suppressing color development, blurring of handwriting and excessive ink adhesion while obtaining dissolution stability of a dye in an ink and to provide a writing instrument using the same.SOLUTION: There is provided an oil-based ink composition for a writing instrument comprising a salt-forming dye including a polymethine basic dye and an organic solvent.SELECTED DRAWING: None

The utility model relates to the technical field of writing and drawing pens, in particular to an open type air pressurization pen refill and pen, which are characterized by comprising a pen refill tube filled with printing ink, and further comprising an elastic probe valve assembly which is movably arranged at the head of the pen refill tube in a telescopic mode and used for opening and closing the head of the pen refill tube, the ink flows out or is blocked; the elastic air compression assembly is arranged at the tail of the refill tube, and when the head of the refill tube is opened, the elastic air compression assembly is used for compressing the elastic air compression assembly so as to externally press ink in the refill tube; a capillary flow guide hole is formed in the side wall of the refill tube and / or the elastic air compression assembly in a penetrating mode, the hole diameter of the capillary flow guide hole is smaller than the cross section area of an inner cavity of the refill tube, and when the refill tube is closed, the elastic air compression assembly returns to a natural shape from a compressed state through the capillary flow guide hole. The problem that the ink outlet amount is uncontrollable can be solved.

To provide a writing instrument that prevents the so-called "push-writing", in which the ball at the pen tip is pressed and rolled to discharge ink.SOLUTION: A writing instrument 1 includes a barrel 10 formed in a cylindrical shape and containing ink therein, a ballpoint pen tip 50, and a joint 30 connecting the barrel 10 and the ballpoint pen tip 50. The joint 30 has a first part 31 connected to one end of the barrel 10 and extending in the same direction as an imaginary line extending from the axis of the barrel 10, and a second part 32 for holding the ballpoint pen tip 50, and the first part 31 is asymmetric with respect to the imaginary line. In a side view seen from a first direction perpendicular to the imaginary line, the angle between the imaginary line and the axis of the ballpoint pen tip 50 is 110° or more and 150° or less.SELECTED DRAWING: Figure 1

To provide an aqueous ink composition for a writing utensil, improved in the aseptic / fungus resistance performance by solubilizing 2-n-octyl-4-isothiazolin-3-one in the aqueous ink composition by adding polyether phosphoric ester, and not generating bleed through of handwriting formed on a writing surface such as a paper surface in writing, and to provide a writing utensil containing the same.SOLUTION: An aqueous ink composition for a writing utensil contains at least water, a coloring agent, 2-n-octyl-isothiazolin-3-one and polyether phosphoric ester and / or its salt. The HLB of the polyether phosphoric ester and / or its salt may be 5 or more and 20 or less.SELECTED DRAWING: None

The present invention is a thermochromic writing implement comprising thermochromic ink and a frictional element for thermally altering, via frictional heat, the color of writing made using the thermochromic ink, wherein: a metallic glossy pigment is added to the thermochromic ink; an attachment hole 2 for attaching a frictional element 3 is provided in the thermochromic writing implement; the frictional element 3 comprises an attaching part 5 that is inserted into the attachment hole 2, and a frictional part 32 that projects from the attachment hole 2 and has an convex surface shape; the volume Ve of the frictional part 32 and the volume Vp of the metallic glossy pigment satisfy 5 ≤ Ve / Vp ≤ 35; the maximum outer diameter D of the frictional part 32 and the projecting length L thereof satisfy 0.1 ≤ L / D ≤ 1.5; the value of the Shore A hardness of the material of the frictional element 3 immediately after initiating indenter contact is in a range of 60 to 85, inclusive, as measured according to JIS K 7215 of the Japanese Industrial Standards; and the value (ΔHS) of Shore A hardness, as defined according to the following formula, is at least 0 and less than 5. ΔHS = (Shore A hardness value immediately after initiating indenter contact) – (Shore A hardness value 15 seconds after initiating indenter contact)

The adaptation of a pocket-size pen for use by a person is provided. The pen includes a cap with internally configured male threads, and a body. The body includes a barrel with externally configured and spaced apart first set of female threads, and second set of female threads. The barrel is hollow inside with a top opening for receiving a full-sized standard ink source. The male threads of the cap engage the second set of female threads of the pen body for closing a writing tip and reducing the length of the pen for storage in the pocket of a user. The male threads of the cap engage the first set of female threads of the body for transforming the pen into an extended-length pen similar in length to a conventional pen and revealing the writing tip for comfortable writing using the pen.

A writing utensil such as a pen having multiple magnetic members along its barrel. The magnetic members have opposite polarity so as to drive each other away. One of the magnetic members may be bonded to the barrel while the other extends around it to form a ring with an inner circumference large to allow it to move along the barrel between the bonded magnetic member and a capturing mechanism at a top end of the barrel. The capturing mechanism may have a metal member to retain the floating magnetic member for temporary storage.

The utility model discloses an ink leakage prevention ballpoint pen, which comprises a pen container, a pen refill and an attaching mechanism, the pen refill is arranged in the pen container through a telescopic locking mechanism in an up-and-down sliding manner, the attaching mechanism is arranged in the pen container and is positioned at a pen point of the pen refill, and when the pen point retracts into the pen container, the attaching mechanism is circumferentially attached to the pen point. The pen point is sealed under the action of the attaching mechanism, so that when ink leaks from the pen point, the attaching mechanism can lock the ink in the attaching mechanism, and the risk that the ink leaks to pollute a pen container and even leaks to the outside to pollute a writing case and a schoolbag is reduced.

[Problems] To provide a reversibly thermochromic composition having excellent contrast between a colored state and a decolored state, and excellent light resistance, and a reversibly thermochromic microcapsule pigment encapsulating the reversibly thermochromic composition. [Solution] Disclosed is a reversibly thermochromic composition including: (a) an electron-donating color-developing organic compound; (b) a combination of a compound having a specific structure as an electron-accepting compound; and (c) a reaction medium which reversibly induces an electron transfer reaction between the component (a) and the component (b) in a specific temperature range, and a reversibly thermochromic microcapsule pigment encapsulating the reversibly thermochromic composition.

To provide a reversible thermochromic ink composition excellent in durability and dispersion stability in an ink composition and capable of forming an excellent hand writing by highly combining a practical hand writing density and ink dischargeability, and a writing instrument housing the same.SOLUTION: An ink composition comprises a reversible thermochromic microcapsule pigment and a vehicle characterized in that microcapsules are obtained by enclosing a reversible thermochromic composition with a coating, wherein a volume-based average particle diameter (X) of the microcapsules is 0.1 to 3.0 μm, and an average cut sectional film thickness (Y) obtained from the following formula: cut sectional film thickness=(sectional outer periphery diameter-sectional inner periphery diameter) / 2 (in the formula, the sectional outer periphery diameter and the sectional inner periphery diameter are calculated, about one microcapsule, from a circle converted diameter of an area of a region surrounded by the outer periphery of the film cross-section and an area of the region surrounded by an inner periphery of the film cross-section) is 0.02 to 1.0 μm.SELECTED DRAWING: Figure 2

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 discloses a wear-resistant ballpoint pen structure, which comprises a lower pen shell, the upper end face of the upper pen shell is in threaded connection with the upper end face of the lower pen shell, and the interior of the upper pen shell and the interior of the lower pen shell are coaxial; the staggered shell and the upper pen shell are staggered, and the upper pen shell and the staggered shell are integrally formed; the lower end of the refill penetrates through the dislocation shell, the upper pen shell and the lower pen shell and then is arranged below the lower pen shell; the telescopic piece is arranged on the upper end face of the refill and makes contact with the upper end face of the refill, the lower end of the telescopic piece is arranged in the dislocation shell, and the upper end of the telescopic piece is arranged above the dislocation shell; the upper end of the telescopic piece is sleeved with the pressing head, the pressing head is arranged above the dislocation shell, and the inner side face of the pressing head is connected with the telescopic piece in a clamped mode; the spring is arranged in the lower pen shell, the spring surrounds the periphery of the lower portion of the pen refill, and the spring is connected with the pen refill in a clamped mode; the first rubber sleeve sleeves the pressing head and is fixedly connected with the outer side face of the pressing head. The beneficial effect of the utility model is that: can help the user reduce the wrong method of use.

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.

To provide an aqueous ink composition for writing instruments with high practicality capable of obtaining clear fluorescent handwriting high in color development at the time of ultraviolet beam irradiation, without generating inconveniences such as deposition and strike through, by making a specific oil-soluble fluorescent material applicable as a colorant of an aqueous ink, and provide writing instruments incorporating the same.SOLUTION: An aqueous ink composition for writing instruments containing water as a main solvent, luminescent compounds represented by general formula (1), ethers with an SP value of 10 to 11.5, and polyoxyethylene polyoxypropylene alkyl ethers, as well as writing instruments incorporating the same.SELECTED DRAWING: None

To provide: an aqueous ink composition for a ball point pen, which inhibits direct ink flow and has excellent temporal stability; and a ball point pen.SOLUTION: An aqueous ink composition for a ball point pen of the invention includes at least a coloring agent, fermented cellulose, and water. The fermented cellulose becomes a soft aggregate whose particle diameter is 5-1000 μm in the ink composition. The coloring agent is dispersed in the soft aggregate.SELECTED DRAWING: None

The pen comprises a pen holder (2); and a writing body (3) accommodated in the barrel (2) so as to be movable in the front-back direction. A tip (31) is provided at the tip of the writing body (3), and the tip (31) is disposed so as to be retractable from a tip hole (21) of the barrel (2). An annular support part (4) for supporting the outer peripheral surface of the writing body (3) is provided on the inner peripheral surface of the barrel (2). The annular support section (4) is provided with a support section that supports the outer peripheral surface of the writing body (3). The support portion is movable in the diameter-expanding direction or the front-back direction by contact with the outer peripheral surface of the writing body (3). The annular support part (4) is locally provided with an elastic deformation part which can be elastically deformed preferentially over other parts of the annular support part (4) when the outer peripheral surface of the writing body (3) is in contact with the support part.

To maintain a good fitting state of an outer cylinder with respect to an inner cylinder.SOLUTION: The writing instrument barrel includes an inner cylinder 11 and an outer cylinder 12 annularly covering the inner cylinder 11. The outer peripheral portion of the inner cylinder 11 is provided with a first protrusion 11d that protrudes radially outward. The first protrusion 11 d is formed to be elastically deformable in the radial direction of the barrel, and is pressed against the inner peripheral surface of the outer cylinder 12. A second protrusion 11e having a smaller protrusion amount than the first protrusion 11d is provided on the outer peripheral portion of the inner cylinder 11 at a position different from that of the first protrusion 11d.SELECTED DRAWING: Figure 2

The present invention provides a press pen, comprising a pen case, a pen core, and an automatic rebound assembly for driving the pen core to extend or automatically retract into the pen case, wherein the pen case comprises a nib shell and a body shell; the pen core comprises a writing portion and an extension portion that are interconnected and coaxially arranged, the nib shell being provided with an inlet and outlet for the writing portion and a guide channel for the extension portion to slide back and forth, the outer wall of the extension portion being in contact with or close to the inner wall of the guide channel; the extension portion never separates from the guide channel in the front-to-back direction to prevent the writing portion from contacting the inlet and outlet. The pen core of the present invention will not be significantly deflected during the process of entering and exiting the nib shell, thereby avoiding the problem of pen ink in the writing portion soiling the inlet and outlet of the nib shell, ensuring the cleanliness of the product and avoiding soiling of stored items. The pen core is not prone to shaking, thus truly solving the problem of poor concentricity during the entry and exit process of the pen core; the provision of an automatic rebound structure can further prevent dirt from contaminating stored items.

The invention provides a drawing material container cartridge and a drawing material container kit which are simple in structure and good in appearance. A drawing material container cartridge (10) according to one embodiment of the present invention is provided with: a cartridge main body (11) having a cartridge section (11b) for accommodating a drawing material (M), the cartridge main body (11) being configured so as to be detachably attached to the container main body by being inserted into the container main body in an axial direction (D1), which is the direction in which the axis (L) of the cartridge section (11b) extends; the cartridge cover (15) is attached to the cartridge main body (11) by being inserted into the cartridge section (11b) in the axial direction (D1). The cartridge main body (11) has a first locking part (11s) that locks to the container main body in the axial direction (D1) when the cartridge main body (11) is attached to the container main body. The cartridge cover (15) has a second locking section (15g) that locks to the first locking section (11s) in the axial direction (D1) when the cartridge cover (15) is attached to the cartridge main body (11).

An automatic reset pen, comprising a refill, a shell, a counterweight, a reset device and a transmission assembly. The refill is provided with a tip for writing, and the shell is provided with a tip hole matching the tip and located at the end part. When a user writes normally, the automatic reset pen is vertically placed downwards, and the counterweight moves in a first direction relative to the shell, so that the refill is driven by the transmission assembly to move in the first direction relative to the shell, and then the tip extends out of the tip hole; and after the user finishes writing normally, the automatic reset pen is horizontally placed, and the reset device pushes the counterweight to move in a second direction relative to the shell, so that the refill is driven by the transmission assembly to move in the second direction relative to the shell, and then the tip retracts from the tip hole, thereby automatically achieving retraction of the tip.

Provided is a writing instrument comprising a cylindrical first tubular member, a cylindrical second tubular member inserted inside the first tubular member from one end part of the first tubular member, the second tubular member provided at its side surface with an elastically deformable part able to elastically deform to the outside and to the inside in the radial direction, and a cylindrical or columnar inside member inserted inside the second tubular member from one end part of the second tubular member, an outside surface of the elastically deformable part or an inside surface of the first tubular member having a first fitting part, an inside surface of the elastically deformable part having a second fitting part. The first fitting part is configured to make the elastically deformable part deform to the inside in the radial direction if the second tubular member is inserted into the first tubular member. The second fitting part is configured to make the elastically deformable part deform to the outside in the radial direction if the inside member is inserted inside the second tubular member in a state before the second tubular member is inserted inside the first tubular member, the deformed elastically deformable part returning after insertion of the inside member.