TWI344907B - - Google Patents

Description

1344907 IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to a moon body for a water-based steel ball pen and the like, and a spreader using such a sheet. [Prior Art] Previously known as the type of steel ball on the front end, the application of the applicator on the steel ball before the pressing is applied to the application object.

Further, as an example of the applicator, there is a steel ball pen which uses ink 八, 'A$$ 卜马涂液. Further, as the ink, a coloring material such as a dye or a pigment is used, and an aqueous ink in which a main solvent is used is known as a water-based steel ball pen in which the ink is contained. Further, as an ink, water is also used as a main solvent. (4) Gelatin ink. The steel ball pen for the steel ball pen is rotatably held in the body of the sheet. When the steel ballpoint pen is used, the ink in the ink containing portion can be guided to the steel ball, and the ink can be attached to the coated object such as paper as the steel ball rotates. & Such a steel ball pen and a steel ball pen piece are described in Patent Document 1 '2 and the like. [Patent Document 1] JP-A-2005-186308 [Patent Document 2] JP-A-2005-7876 [Problems to be Solved by the Invention] In an applicator such as a steel ball pen, a smear for applying ink or the like is applied. The ink width of the smear object is thinner, and the size of the smear is reduced. In the case of such a spreader, the steel ball accommodating chamber in which the steel ball can be accommodated and the opening on the end side before the discharge of the application liquid are also reduced in size with the size of the steel ball. H8372.doc Therefore, the flow path of the smear such as the gap between the steel ball and the ball accommodating chamber is likely to be narrower than that of the steel ball, and the discharge of the smear is easily deteriorated. Therefore, in order to prevent this, it is desirable to improve the flow of the application liquid as much as possible so that the flow path of the application liquid is not narrowed. In order to enlarge the flow path of the application liquid and improve the flow of the application liquid, it is necessary to adopt a structure in which the gap smaller than the other portions is made smaller in a series of the 涂J application liquid path. Therefore, by using Φ, the seat angle shown in Patent Document 2 is used.

The applicator can be used to expand the gap between the side of the front end of the side of the steel ball by 35. By hanging, when the applicator is used, the steel ball is moved to the rear end side by pressing against the object to be circumferentially contacted with the seat surface of the ball receiving chamber. Moreover, at the time of application, the pressing force of the self-applying object against the steel ball acts between the steel ball and the seat surface. Therefore, if the applicator is used continuously, the crucible will wear or deform the seat surface, and the axial movement amount of the steel ball will increase. Especially

The S system has the same shape, and the right steel ball or steel ball storage chamber is small, and the contact area is changed. Therefore, even at the same pressing force, the surface pressure is increased, which is liable to occur. There is also a spreader which, when manufactured, presses the steel ball to the seat surface side, which is called a seat pressure, so that the steel ball can be axially moved, and the steel ball can be energized on the front end side. In the case of such a spreader, the objective is that the steel ball can be moved axially at the beginning, so the momentum is further increased. Moreover, when used, the steel ball will contact the smear object when it is excessively moved, and it is difficult to actually wear the seat surface. If the axial movement of the steel ball is shifted to the rear end side, the front end opening is applied. In the state of the smear, the seat 118372.doc °p gap narrowed, it is difficult to spit out the ink groove processing fluid near the smear surface 'is not ideal. Therefore, the object of the invention is to provide a sheet and a spreader for a spreader which is excellent in durability and which can stably discharge the poetry liquid. [Technical means for solving the problem] In order to achieve the above object, the sheet for a spreader of the present invention comprises a sheet body for a spreader and a less than a steel ball held on the front end side of the sheet body for the spreader. 'Characteristics: the body of the smear has a front end opening, a steel ball accommodating chamber, a central hole, a rear hole, and a groove or a hole for connecting the steel ball accommodating chamber with the center hole or the rear hole, the rear hole and the towel ^ Hole, steel ball containment = the front end opening communicates to form a series of application liquid flow paths, and the seat surface and the side wall surface are provided in the steel ball receiving order, so that the steel ball is rotatably held, in the seat surface of the steel ball storage chamber The angle formed by the connecting surface of the cross section of the surface of the central axis of the sheet body for wrapping the applicator between the side wall surfaces, that is, the seating angle is 150. Above, 2 10. the following. According to the invention, the connecting body between the seat surface and the side wall surface is provided on the steel ball accommodating chamber of the body body for the smear for the sheet body having the smear and the steel ball smaller than 〇.5 _ The seat angle is (9). As a result, the gap between the flow paths of the application liquid can be ensured, and since the seating angle of the connection surface is 21 G or less, it is difficult to retreat the seat surface during use, and the discharge of the application liquid can be stabilized. Also, the steel ball can be less than 35 mm. Based on the D-hai structure, the steel ball is less than 3-5 mm, so it is especially effective to smear the spray of 118372.doc. The structure of the person's bead can be: the steel ball can only move a certain distance, and the mountain π sighs to the inner axial distance. The hunting is energized by the steel ball disposed on the rear end side of the steel ball toward the front end opening side. Bead member, based on this configuration, because the steel ball can only accommodate a certain distance in the steel ball, _ from. to the inner axial movement, the forward error is caused by the steel ball energizing member disposed on the rear side of the steel ball, and the steel ball "' Therefore, it is possible to ensure the smearability at the time of use: it can surely prevent the application liquid from flowing out when not in use. σ out and two sides =: the surface which is pressed by the steel ball from the front end side to the rear end side. In the formation of the prevention of steel balls = two borrowing ... one, by this, the steel can be moved within a certain distance from the axial direction. Also, the seating angle should be 16S 〇 or more, coffee or more, (10). Below 195 or less ' Furthermore, the seating angle is preferably and the 'joining surface is not connected to the side wall surface, and the j-joining surface and the side wall surface can be opened: a %-shaped groove. Further, the steel ball of the body of the smear is borrowed. The cutting formation may be formed by cutting the annular groove at the front end of the cutting edge. Further, the applicator may be manufactured using the above-mentioned sheet for the applicator. [Effect of the Invention] & This & The use of the body and the spreader can make the discharge of the application liquid more and continue [Embodiment] Hereinafter, a specific embodiment of the present invention will be described. H8372.doc 1344907: A steel ball pen of a steel ball pen piece according to an embodiment of the present invention = Fig. Fig. _ Fig. 4 (b) Figure 2 is a cross-sectional view of the steel ball body of the embodiment. Figure 3 (4) is a cross-sectional view of the front end of the U Zhu ♦ sheet, Figure 3 (b) is Figure 3 (a)

-咅, face map. Fig. 4 is an elevational view of the front end portion of the steel ball pen piece of the present invention. Figure 5 shows a seating angle of 120. Figure of the steel ball pen piece, Figure 5 (a) is an axial section view 'Figure 5 (b) is the amount of steel ball movement (10) _ Μ section view 'Figure 5 (C) is the amount of steel ball movement" 4 之 called b_b Fig. 6 shows a diagram of a steel ball pen piece with a seating angle of 18 inches, Fig. 6(a) is an axial sectional view, and Fig. 6(b) is a sectional view of the steel ball moving amount α2〇μηι. Fig. 6(c) is a cross-sectional view of the steel ball moving amount P of 40 μπ^Β_Β. Fig. 7 shows a seat angle of 24 〇. The steel ball pen sheet® 'Fig. 7 (&) is an axial sectional view' Fig. 7 (b) The amount of movement of the steel ball P is 20 μπΐ2Β_Β, and Fig. 7(c) is the movement amount of the steel ball 1> is a sectional view of bb of 4〇. Fig. 8 shows the area of the gap T, S1, 82 and the amount of movement of the steel ball P A graph of the relationship.

The steel ball pen piece according to the first embodiment of the present invention (the body port for the applicator is used for the ball pen (applicator) 18 as shown in Figs. 1(a) and 1(b). Specifically, The refill 7 is used for the ballpoint pen 18' to mount the ballpoint pen body 1 at the front end of the refill 7, and 'as shown in Fig. 1(b)', the refill 7 is provided with a front plug 7a and an ink cartridge (smear liquid storage) In the front end side of the front plug 7a, the steel ball pen piece 1 is attached to the outside, and the ink cartridge 6 is attached to the rear side of the front plug 7a. Further, inside the ink tank 6, the filling is performed. There are water-based inks or water-based inks, that is, inks 5. In addition, other types of inks can be used, for example, oily 118372.doc ink or oily gel ink can be used, and the refill 7 is as shown in Fig. i(b). As shown, the women's clothing is used inside the shaft cylinder 19 of the steel ball pen (smear) 18. The disk is made to be red and poor. The sea car is installed by the Jing 19 and fixed by the front bolt 7a. In the use of the steel ball pen 1 8When the writing is opened) _ 乂月乂下下' wrong by one side of the steel ball pen 1 at the front end of the steel ball 1 〇 press & on the paper, etc., while moving The steel ball pen 18 is implemented, and the burr is rotated by the operation of the ball 10, and the ink 5, which is the application liquid, is licked by the ballpoint pen and is attached to the inside of the teat body 1 with an appropriate amount. The steel ball 10 flows out on one side and performs writing. The other end of the ink 5 in the ink cartridge 6 of the core 7 is provided with ink along with the animal and 13⁄4 ink Pa 8 can be used to be non-volatile or difficult. The composition of the volatile organic liquid is gelatinized, and the ink can be stably followed by the animal 8 even when the discharge amount of the ink 5 is large. The tf of the figure 2, the ball pen piece 1 The steel ball pen body body (sheet for the applicator) 11, the steel ball 10 and the steel ball forming member 12. The ball pen body body 11 has a slightly conical shape on the front end side, and the rear end side is slightly rounded (4) The overall appearance is in the shape of a rocket, and has a conical portion 25 on the front end side of the steel ball pen body 11 and a cylindrical portion 26 on the rear end side. Further, the rear end side of the cylindrical portion 26 has an ink having a slightly smaller outer diameter. The cartridge is combined with the step 26a, and the ink cartridge is coupled to the step 26a for use with the ink. The connection of 6 is further provided inside the steel ball pen body 11 with a steel ball accommodating chamber 15, a center hole 16, a rear ties 17, and a front end opening 14, which are connected to each other to constitute a series of flow paths of the ink 5 (application liquid Further, the rear end side of the rear hole 17 has a rear end side opening 28. -J0·118372.doc ^44907 As shown in Figs. 3 and 4, the steel ball accommodating chamber 15 has a side of a cylindrical inner shape. That is, the side wall surface 4丨 and the seating surface 4$ and the connecting surface 71 on the end side of the side wall surface 4丨. The connecting surface 71 is located between the side wall surface 41 and the seating surface 45, and is connected to the seating surface 45. In the case where the steel ball 10 is in contact with the surface of the steel ball, the cross-sectional shape of the steel ball 10 is formed into a circular arc shape by pressing the steel ball 10 from the front end side to the rear end side as will be described later. In addition, since the seat surface 45 is formed by the seat pressure, the seat surface -4-5- is different from the joint surface 71, and the seat surface 45 and the joint surface 7 are formed under the c-shaped shape without the seat pressure. For the mother side. As shown in Fig. 3(a), the shape of the joint surface 71 is a flat shape, and is an angle formed by the joint surface 71 of the cross section including the surface of the center axis, and the angle α at the front end side of the cross section is 180. . Further, the joint surface 71 may be a shape other than a plane, that is, a conical shape, but the range of the seat angle α is υ〇. ~21〇. It should be 165 ° ~ 195 ° ' More preferably 17 〇. ~19〇. . In addition, if the seat angle α is larger than the angle, when the seat surface 45 is pressed by the steel ball during use, the deformation or wear of the seat surface 45 is easily generated, and the seat surface 45 is easily retracted, and if the seat angle α is smaller than the angle, Since the gap τ described later becomes small and it is difficult to supply the ink 5, the above range is preferable. Further, as shown in Figs. 3 and 4, a groove 47 called an arrow-shaped groove is radially provided around the center hole 16 of the ball-point pen body main body. Further, the groove 47 is connected to the side of the steel ball accommodating chamber 15, and the ink 5 enters the groove 47 from the center hole, and further passes through the outlet portion 61 (gap Τ) on the side of the steel ball accommodating chamber 15 of the groove 47, in the steel ball accommodating chamber 15 In the present embodiment, three grooves 4 7 are provided. As shown in Fig. 2, the steel ball forming member 12 is provided with a coil spring to produce 118372.doc 1344907 a portion 22 and a rod shape. Further, the steel ball forming member 12 is disposed on the rear end side of the steel ball 〇, and the front end 23a of the rod portion 23 of the steel ball forming member 丨2 is in contact with the steel ball 10 to enable the steel ball 10 to be applied to the front end opening 14 side.

The steel ball forming member 12 is disposed inside the body of the steel ball pen piece. Further, the steel ball forming member 12 is in a compressed state, and the steel ball forming member 12 energizes the steel ball 10 toward the front end side. Therefore, in the case where the steel ball pen 18 is not used, the steel ball 10 blocks the front end opening 14 of the front end side of the steel ball accommodating chamber 15 to prevent the ink 5 from flowing to the outside, and the borrowing of the steel ball pen 18 is used. By the pressure of writing, the steel ball 10 is moved to the rear end, and a gap is formed between the steel ball 1 〇 and the steel ball accommodating chamber 15 to make the ink 5 easy to flow out. The shape of the steel ball 10 is spherical. Further, as shown in Fig. 3, the steel ball 1 is housed in the steel ball accommodating chamber 15, and is rotatably held in the steel ball accommodating chamber 15 of the steel ball piece body 丨丨. That is, the end side of the steel ball 1 is held by the seat surface 45, and the side surface side of the steel ball 10 is held by the side wall surface 41, and the front end side of the steel ball 1 is held by the other end deformation portion 43. The front end deformation portion 43 is inserted after the steel ball 〇

Make the ball pen body body 丨! The portion where the front end is deformed inward and caulked prevents the steel ball 10 from being detached from the front end side. Eight of the steel balls of the present embodiment have an outer diameter of 〇 3 mm, which is less than 〇 35 plus, and is used in a small number of ordinary steel ball pens and the like. In addition, the steel ball 10 can also be used with an outer diameter of more than 0.35 mm and less than 0.5 mm. Next, the manufacturing method of the steel ball pen piece 1 will be described. First, the processing of the steel ball pen body 11 is carried out. Specifically, the cylindrical material is cut into a specific shape, and the steel ball accommodating chamber 15, the center hole 16, the rear hole 17, the front end opening 14, and the groove 47 are formed inside by the cutting. + H8372.doc • 12* 1344907 The part of the steel ball accommodating chamber 15 which is formed by the seating surface 45 and the connecting surface 71 is processed into a plane perpendicular to the axial direction. Further, the steel ball 10 is housed in the steel ball accommodating chamber 丨5, and is caulked so that the end portion on the side of the front end opening 14 is deformed by the steel ball rim to form the front end deformation portion 43, and then the steel ball 1 〇 is pressed to the rear end side. The seat pressure is formed to form the front end opening 丨4, and the ball pen piece 1 is completed.

As shown in Fig. 3, the position of the steel ball 1 前 before the seat pressure is the position of the imaginary line, and by the seat pressure, the steel ball 1 〇 is only moved toward the rear end side by the amount of the seat deformation amount ^ in the vicinity of the front end deformation portion 43 The gap S1 forms a seat surface 45 on the other side, and the shape of the seat surface 45 is in a shape matching the surface of the steel ball 10. Further, by the seat pressure, the steel ball 10 can only axially move the distance of the seat deformation amount by one. The distance of the seat deformation amount L is usually 1 〇 to 2 〇 μιη. The steel ball forming member 12 is attached to the steel ball pen piece body manufactured as above and energized to the front end side of the steel ball 10, as shown in Fig. 1 (b), the ink tank 6 is mounted, and the ink is filled.

The refill 7 is completed with water 5 '. Further, as shown in Fig. 1(b), the ballpoint pen 18 is completed by loading the refill 7 into the barrel 19. ^

When it is used for writing or the like, since the steel ball 10 is pressed from the front end side toward the seat surface 45 side by the pressure of the Kui 耷 厌 + + A 棺 冩 3 , the steel ball 1 〇 contacts the seat surface 45 . Further, in the case of use, the steel ball-making member 12 is moved to the other end side by the steel ball forming member 12, and is in contact with the front end deformation portion 43. Further, as will be described later, the steel ball pen piece of the present embodiment secures the flow path of the black water 5, and can achieve excellent durability. Soil As shown in Fig. 3(a), the right pocket Τ, the gap S 1 and the gap S2 are formed in the steel moon 1 of the present embodiment. Interstitial groove _ 47 曰 47 is in the gap between the outlet portion 61 118372.doc -13 - 1344907 and the steel ball 10, the gap S2 is the gap between the side wall surface 41 of the steel ball accommodating chamber 15 and the steel ball 1 〇 closest to the gap, gap The gap between the vicinity of the front end deformation portion 4 3 of the front end side of the S-shaped ball-point pen body body and the steel ball 1 〇. Further, in the case of using the steel ball pen 18, as shown in the graph of FIG. 4, the application liquid, that is, the ink 5, passes through the gap T' of the outlet portion 61 on the side of the ball housing chamber 15 of the groove 47 from the center hole 16 in the ball housing chamber. 15 flows out and flows out from the gap S1 to the outside through the gap S2. The gap T, the gap S1, and the gap S2 are determined by the outer diameter D of the steel ball 10, the steel ball moving straight P, and the inner diameter of the side wall surface 41 of the steel ball housing chamber 15. Further, the steel ball movement amount P is substantially equal to the seat pressure deformation amount L in the initial state. Further, if the ballpoint pen 18 is used, the steel ball 10 sinks the steel ball to move IP by the wear or deformation of the seat surface 45. At this time, the area of the seat surface 45 is large, the area of the joint surface 71 is reduced, and the outermost portion of the portion where the steel ball 1 is in contact with the seat surface 45 is moved outward. Further, in the ballpoint pen 18 of the present embodiment, even if it is in the initial state, or the amount of movement of the steel ball P is increased, the above-mentioned (4) T, S1, and S2 can be secured, and the wear or deformation of the seat surface 45 can be reduced.

H8372.doc The inner diameter of the steel ball containment chamber 15 is 〇 33. As shown in Fig. 5, Fig. 6, and Fig. 7, the standard angle 100 and the seat angle α are 180. There are three kinds of steel ball pens, such as the sheet 101. In addition, the change in the width of the SI, S2, and the change in the area due to the seat pressure, the wear of the seat surface 45, etc. -14·1344907 changes. Change the amount of movement of the ball P to show the same! ^ τ 〇 丨 Γ Γ, SI, S2 陴 陴 之 之 曲线 曲线 曲线 曲线 曲线 曲线 曲线 曲线 曲线 曲线 SI SI SI In addition, in the three cases where the seat angle α is different, the gap is different, and the width of the gap T varies with the width of the gap T. The area of the gap T is also negative, but the width near the gaps S 1 and S2 and the seat surface 45 The sum of the joint faces 71 is independent of the angle or shape of i < the area around the gaps SI and S2 is exactly the same between the three types. Further, the width of the gap S 2 is independent of the amount of movement of the steel ball p, and is -a a w 疋 value, so the area in the vicinity of the gap S2 is also constant. Wave As shown in Figure 8, the seat angle is 180. The person is at 12 with. In contrast, even if the amount of movement of the steel ball P is increased, the area between the vicinity of the gap 1 can be ensured, so that the ink in the filler can be stably supplied. For example, the seat pressure movement amount L is 20 μm (the steel ball movement amount 13 is 2 〇 km), and the steel ball movement amount ρ is increased by 2G μηι by the use (the steel ball movement amount 40 is 40 μιη). For the gap area of the gap τ, the seat angle 〇1 is 18 〇. Is 120. 3 times. Further, regarding the above three types, the contact area of the seat surface 45 has been confirmed. Since the contact area varies depending on the amount of movement of the steel ball ρ, the relationship between the contact area of the seat surface 45 and the movement amount ρ of the steel ball has been adjusted. The results are shown in Table 1. In addition, in Fig. 5(b), (c), Fig. 6(b), (c), Fig. 7(b), and (c), the amount of movement of the steel balls P is 20 μηι, 40 μηι, respectively. The situation is as high as 45. From the surface 118372.doc -15- [Table 1]

As shown in Table 1, the seat angle α is 1 80. In with 120. In comparison with the case, the contact area between the steel ball 1 and the seat surface 45 becomes small, and the writing feel becomes smooth. Furthermore, in order to confirm the influence of the seat angle α on the performance, it was confirmed that the degree of increase in the amount of movement of the steel ball 1> It is confirmed that the seat angle 01 is 12 除 in addition to the above. 18〇〇, 24〇. In addition, it is also increased by 150. 210. In total, five cases were confirmed. Regarding the difference in the degree of increase in the amount of movement of the steel ball ρ, the seat angle α was changed, and the writing was continued under the same conditions, and the change in the amount of movement ρ of each of the steel balls was examined. Further, the difference in the degree of increase in the amount of movement of the ball by the writing is that the writing load is 0_98 N (100 gf), and the inclination angle at the time of writing (the angle with the normal of the writing object) is 65. Write speed of 7 cm / sec, continuous writing under the condition of pressure of 98.98N (100 gf), and test the distance that can be written 'confirmed the effective writing distance (can keep more than 5 〇mg per 1 〇〇m) Distance). In addition, regarding the writing durability, the seat pressure deformation amount L is a pressure of 2 〇 μηη. The results are shown in Figures 9 to 11 . In addition, the vertical axis of Fig. 1 is the ink outflow 118372.doc 16 In / Exact W, the weight is confirmed every 00 m, and the weight after the mitigation is confirmed. Fig. 9 is a graph showing the result of the difference in the degree of increase in the amount of movement of the steel ball by the writing, which shows the degree of easy deformation or wear. And 'at the corner _ 12 〇. 15〇. 18〇. And 21〇. Among them, there is almost no difference in the change in the amount of movement of the steel ball P (the amount of copper bead sinking), but the difference in the seat angle α is particularly high, and the seat angle α is 240. Compared with others, it is more prone to deformation or wear. Fig. 10 is a graph showing the relationship between the writing distance and the ink outflow amount in the case where the seat angle α is changed. X, _ shows a graph of the relationship between the seat angle α and the effective writing distance. As shown in Fig. 1 and Fig. 11, regarding the writing durability, depending on the seat angle (the difference in X, the writing distance is also different. Also, as shown in Fig. 11, the seat angle α is too small, and the seat angle α is too large. The writing distance can be shortened. The reason for this can be considered as follows. The seat angle α is smaller than the seat angle α, and the amount of ink flow is smaller when the amount of movement of the steel ball ρ is increased. Writing, wear, etc. also increase the movement of the steel ball 詈ρ Main Le ρ, the ink flow rate begins to decrease, and the state of writing cannot be written quickly. The seat angle α is larger in the case of the same steel ball movement amount ρ, The seat surface 45 is smaller than the seat angle α (Fig. 5 to Fig. 7). Moreover, the area of the seat surface 45 is substantially proportional to the change of the steel ball 10 to the Xichengshi, and the work 100,000. The outer diameter of the steel ball 10 is 0.35 mm or less of m or the like (the smaller the area of the seat surface 45 is smaller than the smaller one of the 〇5. Therefore, in use, the surface pressure of the seat surface 118372.doc 1344907 45 is applied. The pong is large, and the seat surface is weak and easy to deform, and the wear is relatively fast. In comparison with the smaller one, the amount of movement of the steel ball P tends to become longer. Moreover, if the amount of movement of the steel ball is excessively long, the area of the gap 变 becomes small, the outflow of the ink becomes worse, and, in the case of use, the steel ball piece The portion of the body body 11 that protrudes from the front end opening 14 is too small, so that writing cannot be performed. Thus, in the case of the steel ball 1 栌, the rabbit M is a diameter of 0.35 mm or less (less than 0.5 mm) of 〇·3 mm4. The smaller the 匮 shape, the seat angle α is 150. ~ 2 10. The range is less than the range of 12 〇. The ink flowability of the ruler test 'writing durability and other high performance, by Α ^ 'seat angle α Set to such a range, it can provide a good steel ball pen body (the body for the applicator), and the ink in the steel ball pen piece as described above, 5 series of water-based ink or water-based gel ink 'but can also For other people, such as oily inks, correction fluids (water-based, oily), etc., and if the outer diameter of the steel ball is smaller than that of the body, the structure is the same. (4) The connecting surface 71 is located between the side wall surface Μ and the seating surface ^ and the side wall 41 and the seating surface 45 are connected to each other. However, if the seating surface 45 is connected to the connecting surface 71, the connecting surface 71 is separated from the side wall surfaces 7 1 y , J, and the connecting surface 71 and the side wall surface 41 may be formed. A gap or the like. As shown in FIG. 12 and FIG. 13 , the ball-point pen body 2 can also be connected to the side wall surface 41 without being connected, and the annular groove 60 is formed on the outer side of the connecting surface 71 and the side wall portion. In the formation of the annular groove 6... When the above processing is performed, the degree of freedom of processing is increased, and the ball body η 8372.doc -18-1344907 can be easily processed. Specifically, In the case where the ball receiving chamber 丨5 of the steel ball body 11 is continuously formed by cutting, the portion cut by the front end of the cutting blade corresponds to the annular groove 60, whereby the connecting surface 7 1 can be held while maintaining Or the dimensional accuracy of the portion other than the annular groove 6 〇 such as the side wall surface 41, while implementing a larger number of steel ball pen body bodies

In the case of such a steel ball pen piece 2, in the case where the steel ball 1 sinks due to use, the outermost portion of the portion in contact with the seat surface 45 of the steel ball 1 is beyond the connection surface 71, and is connected in use. Face 71 disappears. Further, if the disappearance of the joint surface 71 occurs during use, it is difficult to maintain the above performance. Therefore, in the case where the connecting surface 71 such as the steel ball pen piece 2 is separated from the side wall surface, the connecting surface 71 is preferably enlarged to a certain extent, and is located at the position of the steel ball 10 in use (Fig. 12, Fig. 12 Imaginary line position in 13)

The outermost peripheral portion of the contact portion of the seating surface 45 of the bead 10 is preferably formed on the inner side of the outer peripheral portion X2 of the connecting surface 71. Specifically, in the state in which the reduction amount (1) of the exposed dimension M of the steel ball H) is 20% of the outer diameter D of the steel ball 〇, the outer peripheral portion XI of the contact portion of the steel ball 1〇 with the seat surface 45 is preferably at the specific connection surface 71. The outer peripheral portion X2 is further inside, and is located inside the annular groove 60. Further, in this case, even if the reduction amount mi of the exposed size of the steel bead is 2〇% of the outer diameter D of the steel ball 10, the state in which the connection surface 71 is left is also left. m 1 is the outer portion X1 of the outer portion of the steel ball 1 再. Further, in the state where the diameter Μ of the steel ball 10 is reduced by 30% of the diameter D, the steel ball 1〇 is in contact with the seat surface 45. 118372.doc 19 ^44907 It is more inward than the outer peripheral portion X2 of the joint surface 71, and is more inward than the annular groove 6〇. Further, in this case, even if the small size nU of the exposed size of the steel ball 1 () is 3% of the outer diameter 钢 of the steel ball 1 (4), the connection surface 71 is left. Further, even if the steel ball pen piece 2 in which the joint surface 71 and the side wall surface 41 are separated from each other is the same as the above-described steel ball pen piece, it is excellent in durability. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 (a) shows a refill using a steel ball pen piece of an embodiment of the present invention. The surface view '(b) is a front view of a steel ballpoint pen using the refill shown in Fig. 1(a). Fig. 2 is a cross-sectional view showing a steel ball pen piece according to an i-th embodiment of the present invention. Figure 3 (a) is a cross-sectional view of the front end portion of the steel ball pen piece of the present invention, (y-A (a) sectional view of Figure A. Figure 4 is a perspective view of the front end portion of the steel ball pen piece of the present invention. The display angle is 12〇. The figure of the steel ball pen piece is an axial sectional view, (b) the movement amount of the steel ball is 2〇μηι B_B sectional view, (c) the steel quantity ^ the movement amount P is 40μηι BB sectional view. Fig. 6 shows a figure of a steel ball pen piece with a seat angle of 18 inches, (a schematic cross-sectional view of the magical system, (b) a section of the steel ball moving amount ρ of 2〇μηι, (c) The movement amount P of the steel ball is BB profile of 40 μπι. Fig. 7 shows the figure of the steel ball pen piece with a seat angle of 240. (Hooked axial section view '(b) The movement amount of the steel ball ρ is 2〇μιη The β_β cross-sectional view, (c) is the 移动-Β cross-section of the steel ball moving amount 40 40 μπι. Figure 8 shows the relationship between the area of the τ, SI, S2 and the steel ball movement amount ρ. J18372.doc -20· 1344907 Fig. 9 is a graph showing the result of the difference in the degree of increase in the amount of movement of the ball of the written pencil P. Fig. 10 shows the writing distance and the ink in the case of changing the seat angle α. Fig. 11 is a graph showing the relationship between the seat angle α and the effective writing distance. Fig. 12 is a cross-sectional view showing the steel ball pen piece of the modified example. Fig. 1 3 is an enlarged view of the portion C of Fig. 12 Sectional view. [Main component symbol description] 1 , 2 , 100 , 101 Ballpoint pen body (smear 5 ink 6 ink cartridge 7 refill 7a front plug 8 ink with animal 10 steel ball 11 steel ball pen body 12 lathe Member 14 Front opening 15 Ball receiving chamber 16 Center hole 17 Rear hole 18 Steel ball pen (smear) 19 Shaft tube 118372.doc • 21 221344907 23 23a 25 26 26a 28 41

The energizing generating portion, the rod portion, the front end, the conical portion, the cylindrical portion, the ink tube, the step, the rear end side, the opening side wall surface, the front end deforming portion 45 47 60 61 71, the seat groove, the annular groove, the outlet portion, the connecting surface, the base angle

51 52 Clearance Clearance 间隙 Clearance 118372.doc -22-

Claims (1)

1344907 ΊΟΟΓδΓίτδ-- 一年月日录<More) 正换页* Patent Application No. 096104254 Patent Application Replacement (May 100) • X. Patent Application Scope: A sheet for a spreader, The utility model is characterized in that: the sheet body for the applicator and the steel ball of less than 〇5 mm which is held on the front end side of the sheet body for the applicator, the body of the applicator body has a front end opening, the steel ball is ordered to, the center The hole, the rear hole and the groove or hole for connecting the steel ball receiving chamber with the central hole or the rear hole, the rear hole, the middle d ball receiving chamber and the month |J end opening communicate to form a continuous flow channel of the application liquid, The steel ball is received to recognize the seat surface and the side wall surface, and the steel ball is rotatably held, and the connecting surface of the connecting seat surface between the seat surface and the side wall surface of the steel ball accommodating chamber is used for the sheet for the smear In the cross section of the surface of the central axis of the body, the angle formed by the connecting surface, that is, the seating angle is 165. Above, 210. The following mm is used as 2. The applicator of claim 1 is used. The sheet body, wherein the steel ball is a sheet for a spreader of 0.35 - month item 1, wherein the steel ball can be moved in the steel ball only in the room and only axially moved by a certain distance 'by the steel ball energizing member disposed on the rear side of the steel ball The front opening side energizes the steel ball. 4. If the applicator of claim 3 uses the moon body 'in the formation of the steel ball to prevent the steel ball from being detached from the front end side, the sigma is formed by pressing the steel ball from the front end side to the rear end side to form a six- The attack surface, by which 'can make the steel ball only move a certain distance in the axial direction of the steel ball. 5. The sheet for a spreader of claim 4, wherein the steel ball is axially movable by a deformation of the seat pressure by a distance of 10 to 2 〇μϊηβ. The seat surface is deformed by pressing the steel ball 118372-1000518.doc 1344907 Η from the front end side to the rear end side. The sheet for the applicator of any one of claims 1 to 6, wherein the seat angle 165° or more '195. Below. 8. Any one of the requirements 1 to 6 is 170° or more and 19° or less. 9. If any one of the claims 1 to 6 is not connected to the side wall surface, the groove is formed. The sheet for the spreader of the item, wherein the seat angle is a sheet for the spreader of the item, wherein the joint surface is formed between the joint surface and the side wall surface, and a ring 10 is formed. The body of the body used in the body of the body of the steel ball containment chamber of the 禆 山 玉 玉 玉 本 本 本 本 本 本 本 本 本 本 本 本 本 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 A smear having a smear for a smear. s. 18372-J000518.doc of any one of claims 1 to ό