Comfortable manicure nail tip and manicure nail tip assembly
By designing the specific radius of curvature and shape of the back of the nail art nail, the problem of discomfort in existing nail art nail art nails after adhesion is solved, achieving higher comfort and adaptability.
Patent Information
- Application Number
- CN202510236719.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2025-05-09
AI Technical Summary
After the existing nail art nails are attached to the surface of human nails, due to the presence of glue or gel, it cannot fully fit with the nail surface, resulting in discomfort in wearing and insufficient adaptability to different nail shapes.
A nail art nail plate is designed with the radius of curvature in the middle section of the horizontal inner arc on the back of the back of the rear of the horizontal inner arc and the radius of curvature in the middle section of the vertical inner arc is 60mm to 80mm, ensuring that it can still provide high comfort in the absence of complete fit.
By optimizing the radius and shape of the curvature on the back of the nail art nail sheet, it can provide a higher level of comfort after being attached, adapt to different nail shapes, and reduce discomfort.
Smart Images
Figure CN119949609A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of nail art nail tips, and in particular to a comfortable nail art nail tip and a nail art nail tip assembly having the nail art nail tip. Background Art
[0002] In daily life, when you need to attach nail art tips to the surface of the nails of the person to be treated, you need to apply a proper amount of glue or gel on the concave back of the nail art tips, stick the coated nail art tips to the surface of the nails of the person to be treated, press the nail art tips to make them adhere to the surface of the nails with the help of glue or gel, and after the glue or gel is solidified, the nail art tips are firmly attached to the nails of the person, and the manicure operation is completed. However, due to the presence of glue or gel, the back of the nail art tips cannot be completely fitted with the surface of the user's nails, and a certain amount of space must be reserved to accommodate the glue or gel. In addition, different people's nails have different specific shapes, and not all people's nails conform to the so-called "standard" nail shape. Even if the nail art tips are designed according to the idealized standard nail shape size, they cannot perfectly fit the nail curve of every customer, and the wearer may still feel a certain degree of discomfort. Summary of the invention
[0003] The technical problem to be solved by the present invention is to provide a comfortable nail art nail plate and a nail art nail plate assembly having the nail art nail plate, which can make the user feel more comfortable after being attached to the surface of the human nail even if the back side of the nail art nail plate cannot completely conform to the surface of the human nail.
[0004] To solve the above problems, the present invention provides a comfortable nail art nail piece, comprising a nail piece body that can be placed flat on a horizontal plane, the back of the nail piece body is arched upward, and the curvature radius of the middle section of the horizontal inner arc of the back side in each left and right cross section of the nail piece body no more than 14 mm away from the rear end point of the back side is 6 mm to 25 mm.
[0005] Among them, in the left and right cross sections, the central axis passes through the midpoint of the horizontal inner arc of the back side, and the horizontal inner arc of the back side is symmetrical along the central axis.
[0006] Wherein, the middle section of the transverse inner arc of the back side is bilaterally symmetrical along the central axis.
[0007] Wherein, the distance from both ends of the middle section of the transverse inner arc of the back surface to the central axis is 1.3 mm to 8 mm.
[0008] The curvature radius of the middle section of the transverse inner arc of the back surface is specifically 11 mm to 22 mm.
[0009] Among them, in the front and rear longitudinal sections through the longitudinal central axis of the nail plate body, the curvature radius of the middle and rear section of the longitudinal inner arc of the back side is 60mm to 80mm.
[0010] Wherein, the longitudinal distance between the front and rear ends of the middle and rear section of the longitudinal inner arc of the back side is 7 mm to 13 mm.
[0011] Wherein, the rear end of the middle and rear section of the longitudinal inner arc of the back surface extends to the rear end point of the back surface of the nail piece body.
[0012] The distance between the outer widest part of the nail plate body and the rear end point of the nail plate body in the front-to-back direction is 2.60 mm to 7.66 mm.
[0013] Wherein, the thickness of the nail plate body is not completely the same at different places.
[0014] A nail art nail plate assembly is also provided, comprising a plurality of nail plates of different sizes, wherein at least one nail plate is the nail art nail plate described above.
[0015] There are five nail art nail pieces, which are respectively used to be pasted on the surfaces of the nails of five fingers on the same palm of a person.
[0016] Beneficial effect: On the nail piece body, in the left and right cross sections at locations no more than 14 mm away from the rear end point of the back side, the curvature radius of the inner arc of the back side is 6 mm to 25 mm. Even if the back side of the nail piece body cannot completely conform to the surface of the human nail, it has been verified through experiments that the nail piece can make the user feel more comfortable after being pasted to the surface of the human nail. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of a nail art nail piece.
[0018] Figure 2 It is a schematic structural diagram of a nail art nail tip from an upward perspective, showing the glue coating area.
[0019] Figure 3 is along Figure 2 Simple cross-sectional view along the AA direction.
[0020] Figure 4 It is a schematic diagram of the structure of a nail art nail piece from an upward perspective, showing the outer width of the nail piece body.
[0021] Figure 5 is along Figure 4 A simplified cross-sectional view along the BB direction.
[0022] Explanation of symbols:
[0023] 1-nail plate body; 10-edge surface; 11-posterior end point of the nail plate body; 12-back side of the nail plate body; 121-posterior end point of the back side of the nail plate body; 13-lateral inner arc of the back side; 131-middle section of the horizontal inner arc of the back side; 14-longitudinal inner arc of the back side; 141-middle and rear section of the longitudinal inner arc of the back side; 15-outer width of the nail plate body; X-left and right cross sections; Y-front and rear longitudinal sections; Z-central axis of the left and right cross sections; O-longitudinal central axis; C-glue coating area; D-the distance from the middle section of the horizontal inner arc of the back side of the nail plate body (in the glue coating area) to the central axis; E-the longitudinal distance from the front and rear ends of the middle and rear section of the longitudinal inner arc of the back side of the nail plate body; F-the distance in the front and rear direction from the outer width of the nail plate body to the rear end point of the nail plate body. DETAILED DESCRIPTION
[0024] The present invention is further described in detail below in conjunction with specific implementation methods.
[0025] The nail art nail plate assembly includes five nail art plates, and the five nail art plates are not completely the same in size, and are used to be pasted to the surfaces of the five finger nails on the same palm of a person. When it is necessary to attach the nail art plate to the surface of the nail of the person to be manicured, it is necessary to apply a proper amount of glue (or gel) on the upwardly arched back side of the nail art plate, and stick the coated nail art plate to the surface of the nail of the person to be manicured, and press the nail art plate to make it stick to the surface of the nail of the person to be manicured with the help of glue. After the glue or gel is solidified and fixed, the nail art plate is firmly attached to the nail of the person, and a manicure operation is completed. Since the back side of the nail art plate cannot completely imitate the surface of the nail of the person, after it is attached to the surface of the nail, there will be a gap between the back side and the surface of the nail, and the applied glue is accommodated in the gap. If the gap is too small, it will be difficult to attach the nail plate to the surface of the human nail. If the nail plate is forcibly attached to the surface of the human nail, the user will feel uncomfortable. If the gap is too large, more glue needs to be applied to fill the gap, but the more glue is applied, the heavier the glue will be after solidification, and the more likely it is for the user to feel uncomfortable. Based on this, the inventors have found that when the back of the nail plate cannot completely conform to the surface of the human nail, there are multiple factors that affect the user's comfort after the nail plate is attached to the surface of the human nail. The shape of the back of the nail plate (which directly determines the size of the gap) and the center of gravity of the nail plate itself have a greater impact on comfort. These two factors are affected by multiple subordinate factors such as the radius of curvature of the back of the nail plate and the width of the nail plate. Among them, the radius of curvature of the middle section of the lateral inner arc of the back of the nail plate has a greater impact, which is described in detail below.
[0026] Take one of the nail art pieces as an example, see Figure 1The nail plate body 1 includes a nail plate body 1, which is bilaterally symmetrical, with different thicknesses at different locations, and a back side 12 that is arched upward; the left side, right side, and rear side edge surfaces 10 of the nail plate body 1 are downwardly facing as the bottom surface, and the nail plate body 1 can be formed as follows by virtue of the left and right bottom surfaces (i.e., the left and right side edge surfaces 10). Figure 5 As shown, place it flat on a horizontal plane (i.e. Figure 5 After the nail plate body 1 is attached to the surface of a human nail (not shown in the figure), the rear end point 121 (combined with the back end 12 of the nail plate body 1) Figure 2 and Figure 5 ) is close to the root of the human nail (not shown in the figure). Under normal circumstances, the length of a human nail is generally not more than 14 mm (for example, the length of a thumb nail is generally 14 mm), so the area of the nail piece body 1 that is not more than 14 mm from the rear end point 121 of the back side 12 is the glue coating area C (see Figure 2 ).
[0027] The glue coating area C (see Figure 2 ) as an example, Figure 3 As shown, the central axis Z of the left and right cross sections X passes through the midpoint of the back transverse inner arc 13, and the back transverse inner arc 13 is symmetrical along the central axis Z. The left and right cross sections X at various locations within the glue coating area C of the nail plate body 1 are the same as the left and right cross sections X mentioned above. Since in the left and right cross sections X at various locations that are no more than 14 mm away from the rear end point 121 of the back side 12 of the nail plate body 1 (i.e. within the glue coating area C of the nail plate body 1), the middle section 131 of the back transverse inner arc 13 corresponds to the center of the glue coating area C, the curvature radius of the middle section 131 directly determines the size of the gap between the back side 12 of the nail plate body 1 and the surface of the human nail, thereby affecting the comfort of the nail art nail. In order to test the difference in comfort brought about by different values of the curvature radius of the middle section 131 of the back transverse inner arc 13 of the nail plate body 1 (within the glue coating area C), the following Table 1 was obtained through experiments:
[0028]
[0029]
[0030] Note: In the 24 groups of data given in Table 1 above, the full score of the comfort score is 100 points. Each group represents the comfort score given by an evaluator after trying on the nail tips with corresponding values. Except for the different values of the radius of curvature of the middle section 131 of the transverse inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C), the other parameters of the tried-on nail tips are the same: the distance D (specific meaning see below) from both ends of the middle section 131 of the transverse inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C) to the central axis Z is 8mm; the radius of curvature of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail tip body 1 (specific meaning see below) is 60mm-80mm; the longitudinal distance E (specific meaning see below) between the front and rear ends of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail tip body 1 is 13mm; the distance F (specific meaning see below) from the outer to the widest part 15 of the nail tip body 1 to the rear end point 11 of the nail tip body 1 in the front-to-back direction is 7.66mm.
[0031] From Table 1 above, it can be seen that the five groups of experimental groups 1 to 5 are the same nail pieces, corresponding to the nail piece body 1 (in the glue-coated area C) with a curvature radius of 25 mm in the middle section 131 of the horizontal inner arc 13 on the back of the nail piece body, and the five groups have high comfort scores, with an average score of 90.2 points; the five groups of experimental groups 6 to 10 are the same nail pieces, corresponding to the nail piece body 1 (in the glue-coated area C) with a curvature radius of 22 mm in the middle section 131 of the horizontal inner arc 13 on the back of the nail piece body, and the five groups have high comfort scores, with an average score of 92.2 points; the five groups of experimental groups 11 to 15 are the same nail pieces, corresponding to the nail piece body 1 (in the glue-coated area C) with a curvature radius of 11 mm in the middle section 131 of the horizontal inner arc 13 on the back of the nail piece body, and the five groups have high comfort scores, with an average score of 92.2 points; The five experimental groups 16 to 20 are the same nail pieces, corresponding to the nail piece body 1 (in the glue-coated area C) with a curvature radius of 6 mm in the middle section 131 of the transverse inner arc 13 on the back of the nail piece body, and the comfort scores of these five groups are also relatively high, with an average score of 90 points; the two control groups 21 and 22 are the same nail pieces, corresponding to the nail piece body 1 (in the glue-coated area C) with a curvature radius of 30 mm in the middle section 131 of the transverse inner arc 13 on the back of the nail piece body, and the comfort scores of these two groups are lower than those of the experimental group, with an average score of only 77 points; the two control groups 23 and 24 are the same nail pieces, corresponding to the nail piece body 1 (in the glue-coated area C) with a curvature radius of 3 mm in the middle section 131 of the transverse inner arc 13 on the back of the nail piece body, and the comfort scores of these two groups are also lower than those of the experimental group, with an average score of only 78.5 points. In summary, in this embodiment, the nail tips with a curvature radius of 25mm, 22mm, 11mm, and 6mm in the middle section 131 of the transverse inner arc 13 on the back side of the nail plate body 1 (in the glue-coated area C) are more comfortable than the nail tips with a curvature radius of 30mm and 3mm in the middle section 131 of the transverse inner arc 13 on the back side of the nail plate body 1 (in the glue-coated area C); in other embodiments, the nail tips with a curvature radius of 6mm to 25mm (more preferably 11mm to 22mm) in the middle section 131 of the transverse inner arc 13 on the back side of the nail plate body 1 (in the glue-coated area C) have better comfort after being pasted to the surface of human nails.
[0032] The comfort of the nail tip is not only greatly affected by the curvature radius of the middle section 131 of the lateral inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C), but also by the distance D from the two ends of the middle section 131 of the lateral inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C) to the central axis Z (see Figure 3 ), the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail plate body 1 (see Figure 5 ) the radius of curvature, the longitudinal distance E of the front and rear ends of the middle and rear sections 141 of the longitudinal inner arc 14 on the back of the nail plate body 1 (see Figure 5 ), the distance F between the outer width 15 of the nail plate body 1 and the rear end point 11 of the nail plate body 1 in the front-to-back direction (see Figure 4) and other parameters, which are slightly smaller than the curvature radius of the middle section 131 of the transverse inner arc 13 on the back of the nail plate body 1 (in the glue-coated area C). These parameters will be experimented one by one below.
[0033] The middle section 131 of the transverse inner arc 13 on the back of the nail plate body 1 (in the glue-coated area C) is also symmetrical along the central axis Z. The distance D between the two ends of the middle section 131 of the transverse inner arc 13 on the back of the nail plate body 1 (in the glue-coated area C) and the central axis Z is as shown in FIG. Figure 3 To test the comfort differences caused by different values of the distance D from the two ends of the middle section 131 of the transverse inner arc 13 on the back of the nail body 1 (in the glue-coated area C) to the central axis Z, the following Table 2 was obtained through experiments:
[0034]
[0035]
[0036] Note: In the 14 groups of data given in Table 2 above, the full score of the comfort score is 100 points. Each group represents the comfort score given by an evaluator after trying on the nail tips of the corresponding values. Except for the different values of the distance D from the two ends of the middle section 131 of the transverse inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C) to the central axis Z, the other parameters of the tried-on nail tips are the same: the curvature radius of the middle section 131 of the transverse inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C) is 11mm-22mm; the curvature radius of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail tip body 1 (see below for specific meaning) is 60mm-80mm; the longitudinal distance E (see below for specific meaning) between the front and rear ends of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail tip body 1 is 13mm; the distance F (see below for specific meaning) from the outer to the widest part 15 of the nail tip body 1 to the rear end point 11 of the nail tip body 1 in the front-to-back direction is 7.66mm.
[0037] From Table 2 above, it can be seen that the five groups of experimental groups 1 to 5 are the same nail pieces, corresponding to the nail piece body 1 (in the glue-coated area C) with a distance D of 8 mm from the two ends of the middle section 131 of the horizontal inner arc 13 on the back to the central axis Z, and the five groups have high comfort scores, with an average score of 92.8 points; the five groups of experimental groups 6 to 10 are the same nail pieces, corresponding to the nail piece body 1 (in the glue-coated area C) with a distance D of 1.3 mm from the two ends of the middle section 131 of the horizontal inner arc 13 on the back to the central axis Z, and the five groups have high comfort scores, with an average score of 91.8 points; Groups 11 and 12 are the same nail pieces, corresponding to the nail piece body 1 (in the glue-coated area C) with a distance D from the two ends of the middle section 131 of the transverse inner arc 13 on the back to the central axis Z of 12 mm. The comfort scores of these two groups are lower than that of the experimental group, with an average score of only 81.5 points; control groups 13 and 14 are the same nail pieces, corresponding to the nail piece body 1 (in the glue-coated area C) with a distance D from the two ends of the middle section 131 of the transverse inner arc 13 on the back to the central axis Z of 0.5 mm. The comfort scores of these two groups are also lower than that of the experimental group, with an average score of only 83 points. In summary, in this embodiment, the distance D between the two ends of the middle section 131 of the transverse inner arc 13 on the back side of the nail piece body 1 (in the glue-coated area C) and the central axis Z is 8mm and 1.3mm, which is more comfortable than the distance D between the two ends of the middle section 131 of the transverse inner arc 13 on the back side of the nail piece body 1 (in the glue-coated area C) and the central axis Z is 0.5mm and 12mm; in other embodiments, the distance D between the two ends of the middle section 131 of the transverse inner arc 13 on the back side of the nail piece body 1 (in the glue-coated area C) and the central axis Z is 1.3mm to 8mm, and the comfort of the nail piece is better after being pasted on the surface of human nails.
[0038] The front and rear longitudinal axis O of the nail plate body 1 (see Figure 4 )'s front and rear longitudinal sections Y are as follows Figure 5 As shown, in the back longitudinal inner arc 14 of the front and rear longitudinal sections Y, the rear end of the middle and rear section 141 of the back longitudinal inner arc 14 extends to the rear end point 121 of the back side 12 of the nail plate body 1 (unpreferably, the rear end of the middle and rear section 141 may not extend to the rear end point 121 of the back side 12). Since the middle and rear section 141 of the back longitudinal inner arc 14 also corresponds to the glue coating area C (combined with Figure 2 ), so the curvature radius of the middle and rear section 141 of the back longitudinal inner arc 14 also determines the gap between the back 12 of the nail plate body 1 and the surface of the human nail to a certain extent, affecting the comfort of the nail plate. In order to test the comfort difference caused by different values of the curvature radius of the middle and rear section 141 of the back longitudinal inner arc 14 of the nail plate body 1, the following Table 3 is obtained in the experiment:
[0039] Serial number Specific value of the curvature radius of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail plate body 1 Comfort rating Experimental Group 1 80mm 91 Experimental Group 2 80mm 93 Experimental Group 3 80mm 93 Experimental Group 4 80mm 91 Experimental Group 5 80mm 92 Experimental Group 6 60mm 92 Experimental Group 7 60mm 93 Experimental Group 8 60mm 91 Experimental Group 9 60mm 90 Experimental Group 10 60mm 92 Control group 11 88mm 78 Control group 12 88mm 80 Control group 13 52mm 80 Control group 14 52mm 82
[0040] Note: In the 14 groups of data given in Table 3 above, the full score of the comfort score is 100 points. Each group represents the comfort score given by an evaluator after trying on the nail tips of the corresponding values. Except for the different values of the curvature radius of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail tip body 1, the other parameters of the tried nail tips are the same: the curvature radius of the middle section 131 of the transverse inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C) is 11mm-22mm; the distance D from both ends of the middle section 131 of the transverse inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C) to the central axis Z is 8mm; the longitudinal distance E (specific meaning see below) between the front and rear ends of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail tip body 1 is 13mm; the distance F (specific meaning see below) from the outer to the widest part 15 of the nail tip body 1 to the rear end point 11 of the nail tip body 1 in the front and rear direction is 7.66mm.
[0041] From Table 3 above, we can see that the five groups of experimental groups 1 to 5 are the same nail pieces, corresponding to the nail piece body 1 back longitudinal inner arc 14 middle and rear section 141 curvature radius of 80mm, these five groups have high comfort scores, with an average score of 92 points; the five groups of experimental groups 6 to 10 are the same nail pieces, corresponding to the nail piece body 1 back longitudinal inner arc 14 middle and rear section 141 curvature radius of 60mm, these five groups have high comfort scores, with an average score of 91.6 points; Groups 11 and 12 are the same nail tips, corresponding to the nail tip body 1, the back longitudinal inner arc 14 of the middle and rear section 141 of the nail tip curvature radius of 88 mm, and the comfort scores of these two groups are lower than that of the experimental group, with an average score of only 79 points; the control groups 13 and 14 are the same nail tips, corresponding to the nail tip body 1, the back longitudinal inner arc 14 of the middle and rear section 141 of the nail tip curvature radius of 52 mm, and the comfort scores of these two groups are also lower than that of the experimental group, with an average score of only 81 points. In summary, in the present embodiment, the nail art nail tips with a curvature radius of 60mm or 80mm in the middle and rear section 141 of the longitudinal inner arc 14 on the back side of the nail piece body 1 are more comfortable than the nail art nail tips with a curvature radius of 52mm or 88mm in the middle and rear section 141 of the longitudinal inner arc 14 on the back side of the nail piece body 1; in other embodiments, the nail art nail tips with a curvature radius of 60mm to 80mm in the middle and rear section 141 of the longitudinal inner arc 14 on the back side of the nail piece body 1 have better comfort after being pasted to the surface of human nails.
[0042] The longitudinal distance E between the front and rear ends of the middle and rear sections 141 of the longitudinal inner arc 14 on the back of the nail plate body 1 is as follows: Figure 5 To test the comfort difference caused by different values of the longitudinal distance E between the front and rear ends of the middle and rear sections 141 of the longitudinal inner arc 14 on the back of the nail plate body 1, the following Table 4 was obtained through experiments:
[0043]
[0044]
[0045] Note: In the 14 groups of data given in Table 4 above, the full score of the comfort score is 100 points. Each group represents the comfort score given by an evaluator after trying on the nail tips of the corresponding values. Except for the longitudinal distance E between the front and rear ends of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail tip body 1, the other parameters of the tried nail tips are the same: the curvature radius of the middle section 131 of the transverse inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C) is 11mm-22mm; the distance D from both ends of the middle section 131 of the transverse inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C) to the central axis Z is 8mm; the curvature radius of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail tip body 1 is 60mm-80mm; the distance F (specific meaning is described below) from the outside to the widest part 15 of the nail tip body 1 to the rear end point 11 of the nail tip body 1 in the front and rear direction is 7.66mm.
[0046] From Table 4 above, it can be seen that the five groups of experimental groups 1 to 5 are the same nail pieces, corresponding to the nail piece body 1, the longitudinal distance E between the front and rear ends of the middle and rear sections 141 of the longitudinal inner arc 14 on the back of the nail piece body 1 is 13 mm, and the comfort scores of these five groups are relatively high, with an average score of 92.6 points; the five groups of experimental groups 6 to 10 are the same nail pieces, corresponding to the nail piece body 1, the longitudinal distance E between the front and rear ends of the middle and rear sections 141 of the longitudinal inner arc 14 on the back of the nail piece body 1 is 7 mm, and the comfort scores of these five groups are also relatively high, with an average score of 91.6 points; the control group Groups 11 and 12 are the same nail tips, corresponding to the nail tip body 1, the longitudinal distance E between the front and rear ends of the middle and rear section 141 of the longitudinal inner arc 14 on the back side of the nail tip body 1 is 18 mm. The comfort scores of these two groups are lower than that of the experimental group, with an average score of only 84.5 points; the control groups 13 and 14 are the same nail tips, corresponding to the nail tip body 1, the longitudinal distance E between the front and rear ends of the middle and rear section 141 of the longitudinal inner arc 14 on the back side of the nail tip body 1 is 3 mm. The comfort scores of these two groups are also lower than that of the experimental group, with an average score of only 81.5 points. In summary, in this embodiment, the comfort level of the nail art nail tip in which the longitudinal distance E between the front and rear ends of the middle and rear section 141 of the longitudinal inner arc 14 on the back side of the nail plate body 1 is 7mm and 13mm is better than that of the nail art nail tip in which the longitudinal distance E between the front and rear ends of the middle and rear section 141 of the longitudinal inner arc 14 on the back side of the nail plate body 1 is 3mm and 18mm; in other embodiments, the nail art nail tip in which the longitudinal distance E between the front and rear ends of the middle and rear section 141 of the longitudinal inner arc 14 on the back side of the nail plate body 1 is 7mm to 13mm has better comfort after being pasted to the surface of human nails.
[0047] The outer width of the nail plate body 1 is 15 (see Figure 4 The distance F between the position where the nail plate body 1 has the largest width and the rear end point 11 of the nail plate body 1 in the front-to-back direction is as follows: Figure 4To test the comfort difference caused by different values of the distance F between the outer wide part 15 of the nail plate body 1 and the rear end point 11 of the nail plate body 1 in the front-to-back direction, the following Table 5 is obtained through experiments:
[0048]
[0049]
[0050] Note: In the 14 groups of data given in Table 5 above, the full score of the comfort score is 100 points. Each group represents the comfort score given by an evaluator after trying on the nail tips of the corresponding values. Except for the different values of the distance F between the outer width 15 of the nail tip body 1 and the rear end point 11 of the nail tip body 1 in the front-to-back direction, the other parameters of the tried-on nail tips are the same: the curvature radius of the middle section 131 of the transverse inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C) is 11mm-22mm; the distance D from both ends of the middle section 131 of the transverse inner arc 13 on the back of the nail tip body 1 (in the glue-coated area C) to the central axis Z is 8mm; the curvature radius of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail tip body 1 is 60mm-80mm; the longitudinal distance E between the front and rear ends of the middle and rear section 141 of the longitudinal inner arc 14 on the back of the nail tip body 1 is 13mm.
[0051] From Table 5 above, we can see that the five groups of experimental groups 1 to 5 are the same nail pieces, corresponding to the nail piece body 1, the distance F between the outer width 15 and the rear end point 11 of the nail piece body 1 in the front-to-back direction is 7.66mm, and the comfort scores of these five groups are relatively high, with an average score of 92 points; the five groups of experimental groups 6 to 10 are the same nail pieces, corresponding to the nail piece body 1, the distance F between the outer width 15 and the rear end point 11 of the nail piece body 1 in the front-to-back direction is 2.60mm, and the comfort scores of these five groups are also relatively high, with an average score of 92.8 points; the control group Groups 11 and 12 are the same nail pieces, corresponding to the distance F between the outer width 15 of the nail piece body 1 and the rear end point 11 of the nail piece body 1 in the front-to-back direction of the nail piece nail piece, which is 8.87 mm. The comfort scores of these two groups are lower than that of the experimental group, with an average score of only 80 points; the control groups 13 and 14 are the same nail pieces, corresponding to the distance F between the outer width 15 of the nail piece body 1 and the rear end point 11 of the nail piece body 1 in the front-to-back direction of the nail piece nail piece, which is 1.90 mm. The comfort scores of these two groups are also lower than that of the experimental group, with an average score of only 81.5 points. In summary, in this embodiment, the distance F between the outer widest part 15 of the nail piece body 1 and the rear end point 11 of the nail piece body 1 in the front-to-back direction is 2.60mm and 7.66mm, which is more comfortable than the distance F between the outer widest part 15 of the nail piece body 1 and the rear end point 11 of the nail piece body 1 in the front-to-back direction is 1.90mm and 8.87mm; in other embodiments, the distance F between the outer widest part 15 of the nail piece body 1 and the rear end point 11 of the nail piece body 1 in the front-to-back direction is 2.60mm~7.66mm, and the comfort of the nail piece is better after being pasted on the surface of human nails.
[0052] The above is only an implementation method of the invention, and does not limit the scope of patent protection. Those skilled in the art can make non-substantial changes or substitutions based on the invention, which still fall within the scope of patent protection.
Claims
1. A comfortable nail art nail piece, comprising a nail piece body (1) that can be placed flat on a horizontal plane, the back side (12) of the nail piece body (1) being arched upward, characterized in that: On the nail plate body (1), in the left and right cross sections (X) at locations no more than 14 mm away from the rear end point (121) of the back surface (12), the curvature radius of the middle section (131) of the back surface transverse inner arc (13) is 6 mm to 25 mm.
2. The nail art nail piece according to claim 1, characterized in that: In the left and right cross sections (X), the central axis (Z) passes through the midpoint of the back transverse inner arc (13), and the back transverse inner arc (13) is symmetrical along the central axis (Z).
3. The nail art nail piece according to claim 2, characterized in that: The middle section (131) of the back transverse inner arc (13) is bilaterally symmetrical along the central axis (Z).
4. The nail art nail piece according to claim 3, characterized in that: The distance (D) between the two ends of the middle section (131) of the back transverse inner arc (13) and the central axis (Z) is 1.3 mm to 8 mm.
5. The nail art nail tip according to claim 1 or 4, characterized in that: The curvature radius of the middle section (131) of the back transverse inner arc (13) is specifically 11 mm to 22 mm.
6. The nail art nail piece according to claim 1, characterized in that: In the front and rear longitudinal sections (Y) of the longitudinal central axis (O) of the nail plate body (1), the curvature radius of the middle and rear sections (141) of the longitudinal inner arc (14) on the back side is 60 mm to 80 mm.
7. The nail art nail piece according to claim 6, characterized in that: The longitudinal distance (E) between the front and rear ends of the middle and rear sections (141) of the longitudinal inner arc (14) on the back side is 7 mm to 13 mm.
8. The nail art nail piece according to claim 7, characterized in that: The rear end of the middle and rear sections (141) of the back longitudinal inner arc (14) extends to the rear end point (121) of the back side (12) of the nail plate body (1).
9. The nail art nail piece according to claim 1, characterized in that: The distance (F) between the outer widest part (15) of the nail plate body (1) and the rear end point (11) of the nail plate body (1) in the front-to-back direction is 2.60 mm to 7.66 mm.
10. The nail art nail piece according to claim 1, characterized in that: The thickness of the nail plate body (1) is not completely the same at different locations.
11. A nail art nail tip assembly, comprising a plurality of nail tips of different sizes, characterized in that: At least one nail piece is a nail art nail piece according to any one of claims 1 to 10.
12. The nail art nail tip assembly according to claim 11, characterized in that: The nail art nail sheets are composed of five pieces, which are respectively used to be pasted on the surfaces of the nails of five fingers on the same palm of a person.