Measuring cap

Abstract

Provided is a measuring cap that can be easily rotated without causing pain and that can contribute to a reduction in the amount of resin. The measuring cap has a measuring cylinder portion and a fitting portion, the measuring cylinder portion has a cylindrical portion that extends in the circumferential direction, and two finger hooking wall portions that are located on one end side compared to the fitting portion and extend from the outer peripheral surface of the cylindrical portion to the radially outer side, the two finger hooking wall portions have side surfaces that extend from the outer peripheral surface of the cylindrical portion to the radially outer side when viewed from the central axis direction, and outer surfaces that extend in the circumferential direction when viewed from the central axis direction and connect the end portions of the radially outer sides of the side surfaces to each other, when the smaller of the intersection angles of a tangent line that is tangent to the circumferential center of the outer surface and the side surface when viewed from the central axis direction is set as θ, the width of the circumferential direction of the finger hooking wall portion is set as W, and the maximum diameter of the cylindrical portion is set as A, W / A < 0.9, when 0.13 ≤ W / A, θ ≤ 90°, and when W / A < 0.13, θ ≤ 60°.

Description

Technical Field

[0001] This invention relates to a measuring cover. Background Technology

[0002] In the case of containers for holding liquid detergents such as laundry detergents, bleach, and softeners, a resin measuring cap with a measuring function is used to ensure the appropriate amount of contents is used (see, for example, Patent Document 1). This measuring cap includes a measuring display section that shows markings such as graphics and text, including graduations, to determine the amount of contents dispensed.

[0003] The measuring cap described in Patent Document 1 is tightened or loosened relative to the container body by gripping the knurled portion formed on the outer circumferential surface of the cap body and rotating it in the circumferential direction. In the measuring cap described in Patent Document 1, since the protrusion of the ribs constituting the knurled portion is relatively small, it is easy to slip when gripped with wet hands.

[0004] Therefore, for example, Patent Document 2 discloses that, in order to facilitate the opening or tightening of the nut, at least two convex protrusions are symmetrically formed from the center of the nut on the outer peripheral side of the nut.

[0005] Existing technical documents

[0006] Patent documents

[0007] Patent Document 1: Japanese Patent Application Publication No. 2012-144280

[0008] Patent Document 2: Japanese Patent Application Publication No. 2013-220819

[0009] The technical problem that the invention aims to solve

[0010] When the measuring cap disclosed in Patent Document 1 has a protrusion on its outer peripheral surface as disclosed in Patent Document 2, slippage can be suppressed when gripping and rotating. However, there is a possibility that the protrusion may pierce the finger and cause pain if gripped firmly. As a method to suppress pain, increasing the width of the protrusion or providing a curved surface at the tip of the protrusion could be considered.

[0011] However, increasing the width of the protrusions increases the amount of resin material used, thus increasing costs. Furthermore, if areas become thick-walled, it can easily lead to molding defects known as shrinkage marks.

[0012] In addition, with a curved surface at the top of the protrusion, the area for placing fingers when holding the device is reduced, making it difficult to open and close the measuring cover.

[0013] In addition, in recent years, from the perspective of reducing environmental impact, it is necessary to further reduce the amount of resin materials used. Summary of the Invention

[0014] The present invention was made with the above considerations in mind, and its object is to provide a measuring cap that can be easily rotated without causing pain and that can help reduce the amount of resin.

[0015] Technical means for solving technical problems

[0016] According to a first aspect of the present invention, a measuring cap is provided that can be detachably fitted to a container body containing contents. The measuring cap has: a cylindrical measuring portion having a cap portion at one end along a central axis; and a fitting portion projecting radially from the outer periphery of the measuring portion in a direction orthogonal to the central axis and capable of fitting to the container body. The measuring portion has: a cylindrical portion extending circumferentially about the central axis; and two finger hook wall portions located at the one end relative to the fitting portion and extending radially outward from the outer periphery of the cylindrical portion. Each of the two finger hook wall portions has: The side surface, when viewed from the central axis direction, extends radially outward from the outer periphery of the cylindrical portion; and the outer surface, when viewed from the central axis direction, extends circumferentially and connects the radially outward ends of the side surface to each other. When viewed from the central axis direction, with the smaller angle between the tangent tangent to the center of the circumferential direction of the outer surface and the intersection angle of the side surface set as θ, the circumferential width of the finger hook wall portion set as W mm, and the maximum diameter of the cylindrical portion set as A mm, W / A < 0.9; when 0.13 ≤ W / A, θ ≤ 90°; and when W / A < 0.13, θ ≤ 60°.

[0017] The effects of the invention

[0018] In this invention, a measuring cap that can be easily rotated without causing pain and that helps reduce the amount of resin can be provided. Attached Figure Description

[0019] Figure 1 This is a longitudinal sectional view of the top of the container 1 having the measuring cover 4 of the first embodiment of the present invention in an upright state.

[0020] Figure 2 This is a three-dimensional view of the exterior of the measuring cover 4.

[0021] Figure 3 This is a top view of the measuring cover 4, viewed from the top side along the central axis.

[0022] Figure 4 This is a top view showing the probability structure of the entire feeder 100.

[0023] Figure 5 This is a perspective view of the measuring cover 4 according to the second embodiment.

[0024] Figure 6 This is a top view of the measuring cover 4 of the second embodiment.

[0025] Figure 7 This is a diagram representing the first mode of holding the measuring cap.

[0026] Figure 8 This is a diagram representing the second mode of holding the measuring cap.

[0027] Figure 9 This is a diagram representing the third mode of the measurement cap's gripping state.

[0028] Figure 10 This is a longitudinal sectional view showing a modified example of container 1.

[0029] Figure 11 This is a graph representing the evaluation results of a usability survey of the sample.

[0030] Symbol Explanation

[0031] 2… Container body, 4… Measuring cap, 41… Measuring cylinder, 42… Threaded part (assembly part), 43… Flange part (assembly part), 44… Cap part, 50… Cylindrical part, 51… Finger hook wall part, 52… Side, 52A… First rib, 53A… Second rib, 53… Outer surface, 54… Hollow part, 55… Tangent, 60… Index area, A… Maximum diameter of cylindrical part, C… Central axis (axis), W… Circumferential width of finger hook wall part, θ… Angle (intersection angle) Detailed Implementation

[0032] The following is for reference Figures 1-9 An embodiment of the measuring cover of the present invention will be described.

[0033] Furthermore, the following embodiments illustrate one aspect of the present invention and do not limit the invention; modifications can be made freely within the scope of the technical concept of the present invention. Additionally, in the following figures, for ease of understanding of the structures, the actual structures and the scales and quantities of each structure differ.

[0034] [First Embodiment of Measuring Cover 4]

[0035] Figure 1This is a longitudinal sectional view of the top of the container 1 having the measuring cap 4 according to the first embodiment in an upright position. The container 1 with the measuring cap includes a container body 2 for holding contents and a measuring cap 4 that is coaxially attached to and detachably mounted to the opening 3 located at the top of the container body 2. The opening 3 of the container body 2 is composed of an inner opening 5 of the hollow container body 2 and a bottle cap 6 mounted on the inner opening 5.

[0036] The container body 2 is integrally formed, for example, by blow molding using olefin synthetic resins such as polyethylene or polyethylene terephthalate. The container body 2 has a receiving space 2a for receiving contents. Examples of contents include laundry detergent (liquid or powder), liquid bleach, softener, dishwashing liquid, liquid mouthwash, etc., with liquid laundry detergent being preferred.

[0037] The inner opening 5 is cylindrical in the vertical direction, and the receiving space 2a of the container body 2 is open upwards in the above-mentioned upright position. A bottle cap 6, which is generally cylindrical with a bottom, is fitted to the inner opening 5 from above, and a measuring cap 4, which is generally cylindrical with a cap, is fitted to the bottle cap 6 from above. The inner opening 5, the bottle cap 6, and the measuring cap 4 share a central axis (cap axis) C in the vertical direction in the above-mentioned upright position.

[0038] In the following description, the direction along the central axis C will be appropriately referred to as the central axis direction, the direction orthogonal to the central axis C will be appropriately referred to as the radial direction, and the direction about the axis centered on the central axis C will be appropriately referred to as the circumferential direction. In addition, the side with the measuring cap 4 in the container 1 that is located in the central axis direction will be appropriately referred to as the upper side (above the bottle), and the side with the container body 2 in the container 1 will be appropriately referred to as the lower side (below the bottle).

[0039] The bottle cap 6 has: a main body side threaded cylindrical portion 7 that screws into the outer periphery of the inner opening portion 5; an annular main body side flange portion 8 that extends radially inward from the bottle-top end of the main body side threaded cylindrical portion 7; a bottomed cylindrical insertion portion 9 that protrudes downward from the inner periphery of the main body side flange portion 8 and enters the inner opening portion 5; a bottle mouth 10 that extends upward from the inclined surface of one of the V-shaped bottom wall portions 9a of the insertion portion 9; a cylindrical outer opening portion 11 that rises upward from the cap radially middle portion of the main body side flange portion 8; and a cylindrical main body side sealing portion 12 that hangs downward from the cap radially middle portion of the main body side flange portion 8.

[0040] The bottle cap 6 is integrally formed, for example, by injection molding using olefin synthetic resins such as polypropylene.

[0041] The nozzle 10 extends upward from the bottom wall portion 9a. The nozzle 10 is formed as a groove with a U-shaped cross-section. The interior of the U-shaped nozzle 10 communicates with the receiving space 2a of the container body 2 through a connecting portion 9b formed in the bottom wall portion 9a.

[0042] The measuring cap 4 is formed, for example, by injection molding using an olefinic thermoplastic synthetic resin such as polypropylene. When using polypropylene resin, it is possible to manufacture a measuring cap with excellent measurement performance because of its excellent formability, adaptability to contents, and the ability to be molded using a transparent resin.

[0043] The measuring cap 4 has: a covered cylindrical measuring cylinder 41 that enters the insertion part 9 from above the bottle in a manner that accommodates the bottle mouth 10; a cylindrical threaded part 42 that is separated from the outer periphery of the middle part of the cap in the axial direction of the measuring cylinder 41 and screwed into the outer opening 11 of the bottle mouth cap 6; a flange part 43 that protrudes radially outward from the middle of the central axis C of the measuring cylinder 41 and is connected to the upper edge of the threaded part 42; and a cylindrical cap-side sealing part 25 that hangs down from the inner side of the cap of the flange part 43 toward the bottom of the bottle.

[0044] A knurled portion (not shown) is formed all around the outer circumference of the threaded portion 42. The knurled portion has a plurality of protrusions arranged at certain intervals in the circumferential direction and extending substantially parallel to the central axis C.

[0045] The flange portion 43 and the threaded portion 42 form an assembly portion in the measuring cover 4 that can be assembled to the container body 2.

[0046] The main body side sealing part 12 liquid-tightly seals the inner opening 5 of the opening 3 from the radial inside. The cover side sealing part 25 liquid-tightly seals the outer opening 11 of the nozzle cover 6 from the radial inside.

[0047] Figure 2 This is a three-dimensional view of the exterior of the measuring cover 4. Figure 3 This is a top view of the measuring cover 4, viewed from the top side along the central axis.

[0048] like Figure 2 As shown, the measuring cylinder 41 has a cylindrical portion 50 and a finger hook wall portion 51. The cylindrical portion 50 is a cross-sectional circular shape extending in the circumferential direction. The upper end of the cylindrical portion 50 is the position of the cover portion 44, and the lower end of the cylindrical portion 50 is the position below the flange portion 43.

[0049] The cylindrical portion 50 has an index area 60 on its outer peripheral surface where a measuring index is provided. The index area 60 may be a structure provided on the inner peripheral surface of the cylindrical portion 50, or a structure provided on both the outer peripheral surface and the inner peripheral surface of the cylindrical portion 50.

[0050] The indicator area 60 is located at the same circumferential position on both the upper and lower sides of the flange portion 43 in the cylindrical portion 50. The indicator area 60 is positioned circumferentially away from the finger hook wall portion 51.

[0051] Measurement indicators are symbols used to represent measurements related to the contents, including at least one of text such as numbers and graphics such as lines. Specifically, the measurement indicators in this embodiment include, for example, numbers indicating the amount of contents injected into the measuring cylinder 41, markings, lines indicating the liquid level corresponding to the injection amount, and graphics in the shape of arrows emphasizing the position of the lines indicating the liquid level.

[0052] When the measuring index is numerical, it can be drawn as a number so that it can be visually confirmed from the inside of the measuring cylinder 41 (drawn from the outside in a mirror state). When the measuring index is a mark, it refers to a symbol such as a heart shape or musical note registered in Shift JIS. The measuring line can also be arranged on a part or the entire circumference. As a measuring index, it can be formed, for example, by laser printing, inkjet printing, or transcribing text, marks, lines, etc. formed by the mold used in the injection molding of the measuring cover 4.

[0053] The finger hook wall portion 51 is a position for placing fingers when the measuring cover 4 is rotated circumferentially relative to the container body 2 to detach or assemble. Two finger hook wall portions 51 are arranged on opposite sides radially separated by the central axis C. Each finger hook wall portion 51 extends radially outward from the outer periphery of the cylindrical portion 50. Each finger hook wall portion 51 extends upward from the flange portion 43.

[0054] like Figure 1 and Figure 2 As shown, the upper end of the finger hook wall portion 51 has a curved surface that gradually curves downwards as it moves radially outwards. By having a curved surface on the upper side of the finger hook wall portion 51 in the radial outwards, it is possible to suppress hand pain when placing a finger on the finger hook wall portion 51 from the radial outwards.

[0055] like Figure 3 As shown, when viewed from above in the direction of the central axis, the finger hook wall portion 51 has a side surface 52 and an outer surface 53.

[0056] Side surfaces 52 extend radially outward from the outer periphery of the cylindrical portion 50. Side surfaces 52 are located on both sides of the finger hook wall portion 51, separated by a circumferential center J. Outer surfaces 53 extend circumferentially and connect the radially outer ends of the side surfaces 52 to each other. When viewed from above in the direction of the central axis, the outer surfaces 53 are arc-shaped.

[0057] That is, when viewed from above along the central axis, the finger hook wall portion 51 has a U-shaped outline. Besides being U-shaped, the outline of the finger hook wall portion 51 can also be a semi-circular shape or a コ-shaped shape.

[0058] With the finger hook wall portion 51 having the above-described shape, the opening and closing performance of the measuring cover 4 is excellent because force can be applied with the thumb or forefinger, and it does not cause pain to the fingers. Furthermore, it facilitates stable production. Additionally, by providing the finger hook wall portion 51 to the measuring cylinder portion 41, the method of holding the measuring cover 4 after it has been opened can be guided and restricted.

[0059] When viewed along the central axis, the angle θ is defined as the smaller of the angles between the tangent 55 tangent to the circumferential center J in the outer surface 53 and the side surface 52. The circumferential width of the finger hook wall portion 51 is defined as W (mm). The maximum diameter of the cylindrical portion 50 is defined as A (mm).

[0060] At this point, W / A < 0.9.

[0061] Additionally, when 0.13 ≤ W / A, θ ≤ 90°.

[0062] When W / A < 0.13, θ ≤ 60°.

[0063] During product manufacturing, the measuring cap 4 is aligned circumferentially by the alignment feeder and then supplied to the capping machine via the conveyor trough.

[0064] Figure 4 This is a top view showing the general structure of the entire feeder 100.

[0065] like Figure 4 As shown, the line feeder 100 has a conveyor path 101 for continuously conveying the measuring cover 4 and a pair of guides 102 disposed above the conveyor path 101.

[0066] A pair of guides 102 extend along the conveying path 101 and are arranged at intervals. The interval between the pair of guides 102 is set to be slightly larger than the maximum diameter A of the cylindrical portion 50. The measuring cover 4 is conveyed along the conveying path 101 while the cylindrical portion 50 is held radially by the pair of guides 102.

[0067] The circumferential position of the measuring cap 4 is not fixed and is randomly inserted between a pair of guides 102. Therefore, if the W / A value exceeds 1.0 and the circumferential width W of the finger hook wall 51 is larger than the maximum diameter A of the cylindrical portion 50, the measuring cap 4 cannot be inserted between the pair of guides 102 and cannot be supplied to subsequent processes. Furthermore, if the W / A value is 0.9 or higher, the probability of the measuring cap 4 being inserted between the pair of guides 102 is low, resulting in unstable supply to subsequent processes and reduced production efficiency. Therefore, by ensuring W / A < 0.9, a stable supply to subsequent processes can be achieved during product production.

[0068] By setting θ≤90° when W / A is 0.13≤W / A and θ≤60° when W / A<0.13, the usability of the measuring cover 4, including its opening and closing properties, painlessness, and measurement capabilities, can be improved.

[0069] In addition, the lower limit of angle θ is 45°.

[0070] The circumferential width W of the finger hook wall portion 51 is preferably 3 mm or more and 20 mm or less, and more preferably 3 mm or more and 18 mm or less.

[0071] The maximum diameter A of the cylindrical portion 50 is preferably 20 mm or more and 40 mm or less, and more preferably 25 mm or more and 35 mm or less.

[0072] The aforementioned indicator area 60 is preferably positioned at a position 30° or more circumferentially away from the center J of the finger hook wall portion 51. That is, as... Figure 3 As shown, the angle θ2 from the center J of the finger hook wall portion 51 in the circumferential direction to the end of the index area 60 is preferably 30° or more.

[0073] Because by setting the angle θ2 to 30° or higher, the grip posture during measurement can be smoothly guided to an easy-to-measure position, resulting in excellent grip during measurement.

[0074] Furthermore, the index area 60 is preferably positioned with its center offset by 90° from the circumferential center J in the finger hook wall portion 51, and within a range where the circumferential angle θ3 is 70° or less.

[0075] Preferably, the radially outer end of the finger hook wall portion 51 is located radially inner than the radially outer end of the flange portion 43.

[0076] By positioning the radially outer end of the finger hook wall portion 51 radially inner than the radially outer end of the flange portion 43, the container volume can be reduced, thereby improving conveying efficiency. Furthermore, the amount of resin material required during molding can be reduced, contributing to a decrease in environmental impact. Moreover, cracks and scratches on the measuring cap 4 can be prevented when it is dropped as a single unit or while assembled to the container body 2, or during conveying.

[0077] As explained above, the measuring cap 4 in this embodiment can be easily rotated without causing pain, and can help reduce the amount of resin, thereby helping to reduce the environmental impact.

[0078] [Second Embodiment of Measuring Cover 4]

[0079] Next, refer to Figure 5 and Figure 6 The second embodiment of the measuring cover 4 will be described.

[0080] In these diagrams, for and Figures 1 to 4 Elements with the same structural elements as those in the first embodiment shown are labeled with the same symbols and their descriptions are omitted. Additionally, in Figure 5 The diagram of indicator area 60 is omitted in the text.

[0081] like Figure 5 and Figure 6 As shown, the finger hook wall portions 51 in the measuring cover 4 of the second embodiment each have a hollow portion 54. The hollow portion 54 is formed to be recessed from the upper side to the lower side in the direction of the central axis. In addition, the outer surface 53 of the finger hook wall portion 51 in this embodiment is a semi-circular shape tangent to the side surface 52. That is, when viewed from the upper side in the direction of the central axis, the finger hook wall portion 51 has a U-shaped outline.

[0082] In addition, the finger hook wall portion 51 of this embodiment has the following structure.

[0083] That is, the finger hook wall portion 51 has a first rib 52A and a second rib 53A.

[0084] like Figure 6 As shown, the first rib 52A is disposed separately from each other on both sides of the circumferential center via the cavity 54. The first rib 52A extends upward from the flange 43. The first rib 52A extends radially outward from the outer circumference of the cylindrical portion 50.

[0085] The first rib 52A has a side 52.

[0086] The second rib 53A extends upward from the flange portion 43. The second rib 53A connects the ends of a pair of first ribs 52A to each other. Viewed from above in the direction of the central axis, the second rib 53A is a semi-circular shape tangent to the first ribs 52A. The second rib 53A is disposed separately from the cylindrical portion 50 via the hollow portion 54. The second rib 53A has an outer surface 53. That is, viewed from above in the direction of the central axis, the finger hook wall portion 51 is formed into a U-shape by connecting the first ribs 52A and the second rib 53A.

[0087] The other structures are the same as those in the first embodiment described above.

[0088] In this embodiment of the measuring cover 4, in addition to achieving the same functions and effects as in the first embodiment described above, the provision of the hollow portion 54 in the finger hook wall portion 51 reduces the amount of resin material required during molding, thereby contributing to a reduction in environmental impact. Furthermore, in this embodiment, by reducing the amount of resin material used, the cooling time during injection molding is shortened, thereby accelerating the molding cycle and increasing the production quantity per unit time. Moreover, in this embodiment, since the hollow portion 54 opens on the upper side, a demolding method prone to exceeding limits is not required in the mold for molding the measuring cover 4, thereby contributing to a reduction in mold costs and an increase in production efficiency.

[0089] (Example)

[0090] Although embodiments are shown below to illustrate the present invention in detail, the present invention is not limited to the following embodiments, and appropriate changes and implementations can be made without departing from its spirit.

[0091] (Examples 1-4, Comparative Examples 1-3)

[0092] according to Figure 11 As shown in the specifications, a sample of the measuring cap was made using a 3D printer.

[0093] like Figure 11 As shown in the shape item, Figure 2 and Figure 3 The measuring cover of the first embodiment shown is used as a sample of Example 1.

[0094] The measuring cap with a width W of 4 mm for which the finger hooks the wall portion is used as the sample for Example 2.

[0095] The measuring cap with a minimum width W of 3 mm and an angle θ of 60° for the finger hook wall portion, which is the same as the sample of Example 1, is used as the sample of Example 3.

[0096] Will Figure 5 and Figure 6The measuring cover of the second embodiment shown is used as a sample of Example 4.

[0097] The measuring cap with a width W of 3 mm for which the finger hooks the wall portion was used as the sample of Comparative Example 1.

[0098] A measuring cover consisting of a pair of ribs with a width W of 2 mm extending radially outward to form the finger hook wall was used as a sample for Comparative Example 2.

[0099] The measuring cover disclosed in Japanese Patent Application Publication No. 2014-009026 was used as the sample for Comparative Example 3.

[0100] [Evaluation Items]

[0101] For each sample of Examples 1-4 and Comparative Examples 1-3, the following evaluation items were used: "ease of opening the cap", "painlessness to fingers when opening", "ease of closing the cap", "painlessness to fingers when tightening", "ease of holding during measurement", "production efficiency" and "assumed resin amount".

[0102] [Evaluation Method]

[0103] Using samples from Examples 1-4 and Comparative Examples 1-3, a usability survey was conducted on nine male and female employees within the company. The evaluation process involved performing the opening and closing of the lid and asking them to answer seven evaluation items (ease of opening the lid, painlessness to fingers when opening, ease of closing the lid, painlessness to fingers when tightening, and ease of grip during measurement).

[0104] The evaluation method was a sensory evaluation based on a seven-step evaluation. A score of 4.0 or higher, indicating that the container had no problems with its usability, was designated as a positive evaluation ("○"), while a score less than 4.0 was designated as a negative evaluation ("×") (the average score of the seven-step evaluation (n=9)).

[0105] In addition, the liquid detergent used in the measurement was Top SuperNANOX (liquid detergent for clothing) manufactured by Lion Corporation.

[0106] <Evaluation Criteria>

[0107] 7 points: Excellent.

[0108] 6 points: Good.

[0109] 5 points: Good.

[0110] 4 points: None of the above.

[0111] 3 points: Poor.

[0112] 2 points: Poor.

[0113] 1 point: Very poor.

[0114] Furthermore, production efficiency was evaluated using samples at the applicant's production site. Additionally, the assumed resin content for each shape was calculated by multiplying the shape's volume (calculated from CAD data) by the specific gravity of polypropylene (0.91). Regarding the assumed resin content for each shape, a value below 10g was considered good (“○”), while a value exceeding 10g was considered bad (“×”).

[0115] The following represents the evaluation results. Furthermore, the numerical values ​​are the average scores of the seven-step evaluation (n=9). Additionally, production efficiency is indicated by ○: good, ×: high defect rate.

[0116] like Figure 11 As shown, in the samples of Examples 1 to 4, where θ ≤ 90° when W / A < 0.9 and 0.13 ≤ W / A, and θ ≤ 60° when W / A < 0.13, good evaluations were obtained in terms of "ease of opening the cap", "painlessness to fingers when opening", "ease of closing the cap", "painlessness to fingers when tightening", "ease of holding during measurement", "production efficiency", and "assumed resin amount".

[0117] On the other hand, in the samples of Comparative Examples 1 to 2, which did not meet the condition that θ ≤ 60° when W / A < 0.13, no good evaluations were received for "ease of opening the lid", "painlessness to fingers when opening", "ease of closing the lid", and "painlessness to fingers when tightening".

[0118] When the evaluator's grip on the measuring cap was observed, the following three patterns were found.

[0119] Mode 1: Pinch with your fingertips.

[0120] like Figure 7 As shown, Mode 1 involves holding one side of the cylindrical part and the finger hook wall with the pad of the thumb's distal phalanx, holding the cylindrical part with the pad of the index finger's distal phalanx and placing the side of the distal phalanx on the other side of the finger hook wall, and further placing the side of the distal phalanx of the middle finger on the cylindrical part. In Mode 1, the measuring cap is held with the fingertips and opened and closed by rotating the wrist.

[0121] Mode 2: Pinch the lower part of the body compared to Mode 1.

[0122] like Figure 8 As shown, Mode 2 involves holding the cylindrical part with the pad of the distal phalanx of the thumb and pressing the pad of the middle phalanx against the finger hook wall, while holding the cylindrical part with the pad of the middle phalanx of the index finger and placing the side of the middle phalanx on the other side of the finger hook wall. In Mode 2, the measuring cap is held with the fingertips, just like in Mode 1, and the measuring cap is opened and closed by rotating the wrist.

[0123] Mode 3: Hold it in your hand.

[0124] like Figure 9 As shown, Mode 3 is a grip method where the palm surrounds the cylindrical part of the measuring cap and the fingers hook onto the side. Mode 3 is suitable for people with smaller hands or weaker muscles. In Mode 3, the measuring cap is opened and closed by rotating the elbow.

[0125] In a questionnaire survey of the evaluators, those who used grip patterns 1 and 2 for the sample of Comparative Example 1 reported pain in their thumb, while those who used grip pattern 3 reported pain in their little finger. Next, when observing the grip patterns for other cap shapes using pattern 1, it was confirmed that the samples of Example 1 and Example 3 had a wider contact area between the thumb and the cap compared to the sample of Comparative Example 1. When gripping the cap with the same force, the narrow contact area between the fingers and the cap in Comparative Example 1 resulted in a higher reaction force per unit area from the cap, thus easily causing pain. On the other hand, since the contact area was wider in the samples of Example 2 and Example 4, it was believed that the reaction force from the cap was dispersed, making it less likely to cause pain; the same situation could be considered for the grip pattern 3.

[0126] Furthermore, in the sample of Comparative Example 3, which did not meet the requirement of W / A < 0.9, the production efficiency was not well evaluated. Additionally, in the sample of Comparative Example 3, the "assumed resin amount" was not well evaluated, and the contribution to reducing environmental impact was not satisfactory.

[0127] Based on the above evaluation, it can be confirmed that increasing the contact range between the finger hook wall and the finger is an effective method to prevent pain in the fingers when measuring the opening and closing of the cap. It can also be confirmed that as a method to achieve a wider contact range between the finger hook wall and the finger, W / A < 0.9, θ ≤ 90° when 0.13 ≤ W / A, and θ ≤ 60° when W / A < 0.13.

[0128] The preferred embodiments of the present invention have been described above with reference to the accompanying drawings. However, it is self-evident that the present invention is not limited to the above examples. The shapes, combinations, etc. of the structural components shown in the above examples are just examples, and various modifications can be made based on design requirements, etc., without departing from the spirit of the present invention.

[0129] For example, although the above embodiment illustrates a structure in which the measuring cap 4 has an indicator region 60, this structure is not limited thereto. Even a measuring cap 4 without the indicator region 60 can be easily rotated without causing pain by applying the present invention, and can help reduce the amount of resin.

[0130] Furthermore, although the above embodiment illustrates a structure in which the bottle cap 6 is detachably mounted to the container body 2 and the measuring cap 4 is detachably mounted to the bottle cap 6, the structure is not limited to this.

[0131] For example, such as Figure 10 As shown, it is also possible to use a structure that replaces the bottle cap, with a central plug 16 having a bottle mouth 10 and an insertion part 9, and the cylindrical part 31 fitting into the inner opening part 5 in the opening part 3.

[0132] With this structure, the threaded portion 42 in the measuring cover 4 is screwed into the outer periphery of the inner opening portion 5.

[0133] In this way, the same function and effect as the above-described embodiment can be obtained in the structure that uses the stopper 16 instead of the bottle cap.

[0134] In addition, Figure 10 In the measuring cover 4 shown, the finger hook wall portion 51 has a wall-removing portion 51a facing the internal space of the cylindrical portion 50.

[0135] By making the finger hook wall portion 51 have a wall-removing portion 51a, the amount of resin can be further reduced, which helps to reduce the environmental impact.

Claims

1. A measuring cap, detachably mounted on a container body containing contents, characterized in that it has: A cylindrical measuring cylinder having a cover at one end along the central axis; and An assembly part, which protrudes radially from the outer peripheral surface of the measuring cylinder orthogonal to the central axis, and is capable of being assembled to the container body. The measuring cylinder has: A cylindrical portion extending circumferentially about the central axis; and Two fingers hook onto the wall portion, which is located on one end side relative to the mounting portion and extends radially outward from the outer periphery of the cylindrical portion. The two finger hook wall-hanging parts respectively have: On the side, when viewed from the direction of the central axis, this side extends from the outer periphery of the cylindrical portion toward the radially outward side; and The outer surface, when viewed from the central axis direction, extends in the circumferential direction and connects the radially outer ends of the side surfaces to each other. When viewed from the central axis direction, the smaller angle between the angle between the tangent line tangent to the center of the circumference of the outer surface and the angle between the intersection angles of the side surface and the tangent line is defined as θ. Let the circumferential width of the finger hook on the wall be W. When the maximum diameter of the cylindrical section is set as A... W / A < 0.9, When 0.13 ≤ W / A, θ ≤ 90°. When W / A < 0.13, θ ≤ 60°. in, The unit for W is millimeters, and the unit for A is millimeters.

2. The measuring cover according to claim 1, characterized in that, The width W is 3mm or more and 20mm or less. The maximum diameter A is greater than 20 mm and less than 40 mm.

3. The measuring cover according to claim 1 or 2, characterized in that, The cylindrical portion has an indicator area for setting measurement indicators. The indicator area is positioned at a distance of more than 30° from the circumferential center of the finger hook wall.

4. The measuring cover according to claim 3, characterized in that, The indicator area is centered at a position that is 90° off from the center of the circumferential direction of the finger hook wall, and is configured within a range of 70° in the circumferential direction.

5. The measuring cover according to claim 1 or 2, characterized in that, The end of the finger hook hanging wall portion located on the outer side of the radial direction is located on the inner side of the radial direction compared to the outer side of the assembly portion.

6. The measuring cover according to claim 1 or 2, characterized in that, The finger hook wall portion has a cavity recessed from one end to the other end in the direction of the central axis.

7. The measuring cover according to claim 1 or 2, characterized in that, The finger hook wall-mounting part has: A pair of first ribs, which are arranged separately from each other on both sides of the center of the circumference, extend from the outer periphery of the cylindrical portion to the radially outer side and have the side surface; as well as The second rib connects the ends of the pair of first ribs to each other and has the outer surface.

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