Paper fan used in slapstick comedy

Abstract

To provide a paper fan used in slapstick comedy, which not only has excellent durability and water resistance and can be used for a long period of time, but also produces loud and powerful sound.SOLUTION: In a paper fan used in slapstick comedy 10, which is formed by making a plurality of folds L on a body sheet 11 to form a bellows shape, and in which a proximal edge side of the body sheet 11 bent into the bellows shape is set to be a grip part 10a for grasping by a hand, and a tip edge side of the body sheet 11 bent into the bellows shape is set to be a striking part 10b for making sound by striking, the body sheet 11 is a structure in which a resin front side sheet 11a forming a front face of the body sheet 11 and a resin back side sheet 11b forming a back face of the body sheet 11 are stacked, and the front side sheet 11a and the back side sheet 11b are linearly welded by a first welding part αA which overlaps the fold L.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a paper fan suitable for use at an event venue. [Background technology]

[0002] When watching sports such as baseball or basketball, people cheer for players or teams by holding a harisen (also written as "hari fan") in one hand and hitting it with the other hand to make a sound. As shown in Patent Document 1, this type of harisen is often made by folding cardboard on which a cheering message or the like is printed, and is often distributed free of charge at the venue. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Publication No. 3022916 Summary of the Invention [Problem to be solved by the invention]

[0004] However, cardboard harisens are not durable and are often used only for the occasion. In particular, if a cardboard harisen is used at an outdoor event on a rainy day, it will absorb water and easily break. For this reason, used harisens are sometimes thrown away at the venue after a match or concert. Collecting and disposing of these harisens is time-consuming and costly. In the first place, discarding a large amount of harisen for each event such as a match is not good from an environmental perspective. In addition, cardboard harisens tend to make a lighter sound when hit, making it difficult to produce a powerful sound.

[0005] The present invention has been made to solve the above problems, and provides a paper fan that not only has excellent durability and water resistance and can be used for a long period of time, but also produces a loud and powerful sound. [Means for solving the problem]

[0006] The above issues are: The main sheet is creased in several ways to form it into an accordion shape. The base end edge side of the main sheet folded in an accordion shape is a grip portion to be held by hand, A stencil fan in which the tip edge side of the main sheet folded in an accordion shape is a striking part that produces a sound when struck, The main sheet is A resin front sheet that forms the front surface of the main body sheet; A resin back sheet that forms the back surface of the main sheet; The structure is layered, The front sheet and the back sheet are linearly welded together at a first welded portion that overlaps the fold. A fan that features This is solved by providing

[0007] In this way, by making the main sheet of the fan out of resin, the durability and water resistance of the fan can be increased. Also, if the main sheet is made of resin, the fan will not have much stiffness (it will bend too easily), but by making the main sheet out of a structure in which the front sheet and the back sheet are overlapped, the fan can be stiffened (it can be given a certain degree of rigidity). Furthermore, since the sound can resonate in the gap between the front sheet and the back sheet, it is possible to produce a loud and powerful sound.

[0008] However, if the main sheet has a structure in which the front sheet and the back sheet are stacked, the front sheet and the back sheet will come apart near the crease, making it difficult for the main sheet to bend into a neat bellows shape. In this regard, by linearly welding the front sheet and the back sheet at the portion (first welding portion) that overlaps the crease of the main sheet, the front sheet and the back sheet can be made difficult to come apart near the crease. In addition, the portion (first welding portion) where the front sheet and the back sheet are welded together in the main sheet will be thinner than the surrounding area (portion not welded together). Therefore, even if the main sheet is not intentionally folded, the main sheet will naturally bend with the first welding portion as the crease. The first welding portion may be provided only on some of the creases, but if it is provided on all of the creases, the main sheet will be more likely to bend into a neat bellows shape.

[0009] In the haruisen of the present invention, it is preferable that both end sections of the fold of the main body sheet (the tip section (upper end section) and the base section (lower end section)) are blank sections in which the first welded portion is not provided. In other words, it is preferable that the first welded portion is provided only in the middle section of the fold (section excluding the tip section and the base section). This is because the main body sheet is thinner in the portion where the linear first welded portion is formed than in the surrounding area. For this reason, if the first welded portion is provided over the entire section of the fold (the tip (upper end) of the first welded portion reaches the tip edge (upper end edge) of the main body sheet, and the base end (lower end) of the first welded portion reaches the base edge (lower end edge) of the main body sheet), there is a risk that when the haruisen is hit, the main body sheet will be easily broken linearly starting from the tip or base end of the first welded portion (broken along the first welded portion). In this regard, by providing the above-mentioned blank section so that the first welded section does not reach the leading edge or base edge of the main body sheet, the main body sheet is less likely to break along the first welded section. Also, by providing the above-mentioned blank section in the leading section (upper end section) of the main body sheet, there is an advantage that the striking section can be easily opened into a neat fan shape when the harisen is held in the hand.

[0010] In the paper fan of the present invention, the front sheet and the back sheet are preferably linearly welded at the second welded portion that overlaps the outer peripheral edge of the main sheet (the tip edge (upper edge) and base edge (lower edge), as well as a pair of left and right side edges). This enhances the unity between the front sheet and the back sheet, and further increases the durability of the main sheet.

[0011] Characters, figures, symbols, or combinations thereof can be displayed on the outer surfaces of the main sheets (front sheet and back sheet) in the paper fan of the present invention. For example, cheering messages, photos of the athletes being cheered on, illustrations of team characters, etc. can be displayed. Examples of methods for displaying these characters, figures, etc. include a method of providing a printing layer (applying printing) to the outer surface of at least one of the front sheet or back sheet.

[0012] Another method is to store a card on which the above-mentioned characters, figures, etc. are printed inside the main body sheet, so that the characters, figures, etc. on the card appear on the outer surface of the main body sheet. Specifically, a card insertion slot can be provided in the main body sheet, and the card can be inserted into the gap between the front sheet and the back sheet through the card insertion slot. In this case, at least one of the front sheet and the back sheet (usually the front sheet) is provided with a transparent portion, so that the characters, figures, etc. on the card can be seen through the transparent portion. The transparent portion can be provided on both the front sheet and the back sheet. The transparent portion can also be provided on the entire front sheet or the back sheet (the entire front sheet can be made transparent, or the entire back sheet can be made transparent).

[0013] In the present invention, a light-emitting body receiving area extending in a strip shape from a base end edge side to a tip end edge side of the main body sheet is provided in the striking portion; The front sheet and the back sheet are linearly welded at a third welded portion that overlaps with the outer periphery of the light-emitting body housing area; A rod-shaped light emitter can be accommodated in the gap between the front sheet and the back sheet in the light emitter accommodation area. It is also preferable.

[0014] This makes it possible to make the harisen glow. This allows for more effective cheering and a more lively atmosphere in the stadium. For example, in professional baseball night games, the night lights are sometimes turned off and spotlights and projection mapping are used for the performance when the players come on stage. When the harisen is struck at such times, the light from the rod-shaped light-emitting object appears to be swaying, and the atmosphere in the stadium can be more lively. Effect of the Invention

[0015] As described above, the present invention makes it possible to provide a paper fan that not only has excellent durability and water resistance and can be used for a long period of time, but also produces a loud and powerful sound. [Brief description of the drawings]

[0016] [Figure 1] FIG. 2 is a perspective view showing the paper fan of the first embodiment. [Diagram 2] 1 is a diagram showing the first embodiment of the paper fan when unfolded and viewed from the front side. FIG. [Diagram 3] 3 is a cross-sectional view of the circled portion of the paper fan of the first embodiment taken along the Y1-Y1 plane in FIG. 2. [Figure 4] 13 is a diagram showing the state in which the paper fan of the second embodiment is unfolded and viewed from the front side. FIG. [Diagram 5] 13 is a diagram showing the state of the second embodiment of the paper fan when unfolded and viewed from the back side. FIG. [Figure 6] 13 is a diagram showing the state of the third embodiment of the paper fan when unfolded and viewed from the front side. FIG. [Figure 7] 13 is a diagram showing the state of the third embodiment of the paper fan when unfolded and viewed from the back side. FIG. [Figure 8] FIG. 13 is a perspective view showing a paper fan according to a fourth embodiment. [Figure 9] 13 is a diagram showing the fourth embodiment of the paper fan unfolded and viewed from the front side. FIG. [Figure 10] 10 is a cross-sectional view of the circled portion of the paper fan of the fourth embodiment taken along the Y1-Y1 plane in FIG. 9 . [Figure 11] A cross-sectional view showing an example of a rod-shaped light-emitting body used in the fourth embodiment of the haruisen. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0017] The harifen of the present invention will be described in more detail with reference to the drawings. Below, the harifen of the present invention will be described with reference to four embodiments (first embodiment, second embodiment, third embodiment, and fourth embodiment). However, the technical scope of the present invention is not limited to these embodiments. The harifen of the present invention can be appropriately modified within the scope that does not impair the gist of the invention.

[0018] 1. The first embodiment of the stencil First, the first embodiment of the sash fan will be described. Fig. 1 is a perspective view showing the first embodiment of the sash fan 10. As shown in Fig. 1, the sash fan 10 is formed by folding a main body sheet 11 into an accordion-like shape at a number of creases L. The base edge side (lower edge side in Fig. 1) of the main body sheet 11 folded into an accordion-like shape forms a grip portion 10a, and the tip edge side (upper edge side in Fig. 1) of the main body sheet 11 forms a striking portion 10b.

[0019] The user holds the fan 10 by grasping the grip portion 10a with the hand (hand holding it), and the fan-shaped ...

[0020] FIG. 2 shows the state of the paper fan 10 of the first embodiment before it is folded into an accordion shape (the state of the paper fan 10 of the first embodiment unfolded and viewed from the front side). The paper fan 10 of FIG. 1 is obtained by mountain-folding the main body sheet 11 at creases L1, L3, L5, L7, and L9 in FIG. 2 and valley-folding it at creases L2, L4, L6, and L8. In the paper fan 10 of the first embodiment, the main body sheet 11 is rectangular. The creases L are parallel to each other. Furthermore, the distance between adjacent creases L is constant regardless of the creases L. That is, the distance between crease L1 and crease L2, the distance between crease L2 and crease L3, the distance between crease L3 and crease L4, the distance between crease L4 and crease L5, the distance between crease L5 and crease L6, the distance between crease L6 and crease L7, the distance between crease L7 and crease L8, and the distance between crease L8 and crease L9 are all adjusted to the same value.

[0021] However, the shape of the main body sheet 11, the arrangement of the folds L, etc. are not limited to the above. The main body sheet 11 may be a polygonal shape such as a triangular shape, or may have a shape with an elliptical curve. Also, the interval between adjacent folds L may be changed depending on the location. For example, let the intervals between fold L1 and fold L2, fold L3 and fold L4, fold L5 and fold L6, fold L7 and fold L8, and fold L8 and fold L9 be S, and the intervals between fold L2 and fold L3, fold L4 and fold L5, fold L6 and fold L7, and fold L8 and fold L9 be S’ (<S). Furthermore, adjacent folds L may be non-parallel. For example, fold L1 and fold L2 may be arranged in a "V" shape, fold L2 and fold L3 may be arranged in an inverted "V" shape, and the subsequent folds may be arranged to alternately repeat the "V" shape arrangement and the inverted "V" shape arrangement.

[0022] The dimensions (dimensions when unfolded) of the main body sheet 11 are also not particularly limited. However, considering ease of use as the folding fan 10, etc., the longitudinal length (length in the direction from the base edge to the tip edge (vertical direction)) of the main body sheet 11 is usually 20 to 50 cm, preferably 25 to 40 cm. Also, the lateral length (length in the direction from the left edge to the right edge (horizontal direction)) of the main body sheet 11 is usually 30 to 100 cm, preferably 35 to 60 cm. In the folding fan 10 of the first embodiment, the longitudinal length of the main body sheet 11 is about 30 cm and the lateral length is about 42 cm.

[0023] The interval between the folds L (see the interval W1 in FIG. 3 described later) is not particularly limited. However, if the interval W1 between the folds L is too narrow, the sound produced by the sash 10 is difficult to produce when the sash 10 is struck. In addition, the number of folds L becomes too large (the number of folds L is preferably in the range of 4 to 20, more preferably 5 to 15, and even more preferably 7 to 12). On the other hand, if the interval W1 between the folds L is too wide, not only is it difficult to hold the grip portion 10a, but also the striking portion 10b is difficult to form a beautiful fan shape. For this reason, the interval W1 between the folds L is usually set to 20 to 70 mm, and preferably 30 to 50 mm. In the sash 10 of the first embodiment, the interval W1 between the folds L is set to about 42 mm.

[0024] FIG. 3 shows a cross-sectional view of the circled portion of the first embodiment of the sash 10 in FIG. 2 cut along the Y1-Y1 plane. As shown in FIG. 3, the main body sheet 11 has a structure in which a front sheet 11a and a back sheet 11b are overlapped. The front sheet 11a and the back sheet 11b are both made of resin (resin sheets). The front sheet 11a and the back sheet 11b are integrated by welding to each other at the welding portion α (the linear portion shown by the cross-hatched portion in FIG. 2) shown in FIG. 2. In this way, by making the main body sheet 11 out of resin, the durability and water resistance of the main body sheet 11 are increased. Therefore, the sash 10 can be used repeatedly (preventing the sash 10 from being thrown away).

[0025] Moreover, by stacking two resin sheets (front sheet 11a and back sheet 11b), the main body sheet 11 has stiffness (the main body sheet 11 has a degree of rigidity that does not easily bend). The stiffness of the main body sheet 11 makes it easier to make a "bang!" sound when it is struck with the striking portion 10b. In addition, as shown in FIG. 3, in the area of ​​the main body sheet 11 where the front sheet 11a and the back sheet 11b are not welded, a gap space ε is formed between the front sheet 11a and the back sheet 11b, and this gap space ε makes it possible to make a sound resonate. This makes it possible to make the above-mentioned "bang!" sound resonate loudly.

[0026] The type of resin used for the front sheet 11a and the back sheet 11b is not particularly limited as long as it is a weldable resin (thermoplastic resin). Examples of thermoplastic resins include polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PP), polystyrene (PS), acrylonitrile butadiene styrene (ABS), acrylic (PMMA), polybutylene terephthalate (PBT), polyethylene terephthalate (PET), polycarbonate (PC), and the like. Among these, non-crystalline resins such as polyvinyl chloride (PVC), acrylic (PMMA), acrylonitrile butadiene styrene (ABS), and polycarbonate (PC) have excellent impact resistance and can therefore be suitably used as the front sheet 11a and the back sheet 11b. In addition, non-crystalline resins also have the characteristic of being highly transparent. In the paper fan 10 of the first embodiment, polyvinyl chloride (PVC) sheets are used as the front sheet 11a and the back sheet 11b.

[0027] The thickness of the front sheet 11a and the back sheet 11b is not particularly limited. However, if the front sheet 11a and the back sheet 11b are too thin, not only will the front sheet 11a and the back sheet 11b be easily torn, but the body sheet 11 will not easily develop the stiffness described above. For this reason, the thickness of the front sheet 11a and the back sheet 11b is preferably 0.1 mm or more. The thickness of the front sheet 11a and the back sheet 11b is more preferably 0.2 mm or more, and even more preferably 0.25 mm or more. However, if the front sheet 11a and the back sheet 11b are too thick, not only will the body sheet 11 become heavy, but it may also be difficult to weld the front sheet 11a and the back sheet 11b. For this reason, the thickness of the front sheet 11a and the back sheet 11b is preferably 1 mm or less. The thickness of the front sheet 11a and the back sheet 11b is preferably 0.7 mm or less, and more preferably 0.5 mm or less. In the first embodiment of the paper fan 10, the thickness of the front sheet 11a and the back sheet 11b is 0.3 mm.

[0028] As already described, the front sheet 11a and the back sheet 11b are locally (linearly) welded at the welded portion α. ​​In the first embodiment, the welded portion α is the first welded portion α. A and second welded part α B The following has been established.

[0029] First weld part α A The first welded portion α is a portion where the front sheet 11a and the back sheet 11b are welded linearly at a portion where the front sheet 11a and the back sheet 11b overlap the fold line L. A This allows the main body sheet 11 to be easily folded at the fold line L without the need to take the trouble of forming the fold line L in the main body sheet 11. This is because the first welded portion α AThe welded portion α is a portion where a welding horn (ultrasonic horn) is pressed against the resin sheet (front sheet 11a and back sheet 11b) at that portion, and the resin sheet is melted and then solidified again. At the welded portion α where the welding horn is pressed against, the main body sheet 11 is in a pressed state, and the thickness of the main body sheet 11 becomes smaller than that of the surrounding area (first welded portion α A The first welded portion α becomes a linear thin portion. A Although they may be provided on only some of the folds L1 to L9, they are preferably provided on all of the folds L1 to L9.

[0030] Each first welded part α A However, in the first embodiment of the folding fan 10, as shown in FIG. 2, the first welded portion α is provided at both end sections of each folding line L. A A blank section γ where A ,γ B The blank section γ A is provided on the leading edge side of the main body sheet 11, and the blank section γ B is provided on the base end edge side of the main body sheet 11. As already described, the first welded portion α A is a linear thin-walled portion, and this first welded portion α A However, if the first welded portion α reaches the tip edge (upper edge) or base edge (lower edge) of the main body sheet, when the paper fan 10 is struck, the main body sheet 11 may be welded to the first welded portion α A In this regard, the blank section γ A ,γ B By providing the first welded portion α, the main body sheet 11 A The tip (upper end) or base (lower end) of the blank section γ A ,γ B Since the main body sheet 11 in the embodiment is thick, it tends to expand against the fold L, which has the advantage that when the grip portion 10a is gripped, the striking portion 10b tends to open up into a beautiful fan shape as shown in FIG.

[0031] blank interval γA ,γ B The width of the blank section γ (the length in the direction along the fold L; the same applies below) is not particularly limited. A ,γ B If we narrow it too much, the blank interval γ A ,γ B Therefore, the significance of providing the blank section γ A ,γ B The width of each of the blank sections γ is preferably 5 mm or more. A ,γ B The width of each of the blank sections γ is more preferably 8 mm or more, and even more preferably 10 mm or more. A ,γ B If the width is too wide, each first weld α A Therefore, the blank section γ A ,γ B The width of each of the blank sections γ is preferably 50 mm or less. A ,γ B The width of each of the blank sections γ is preferably 40 mm or less, and more preferably 30 mm or less. A ,γ B The width of each is set to 15 mm.

[0032] Second weld part α B The second welded portion α is a portion where the front sheet 11a and the back sheet 11b are welded linearly at a portion where they overlap the outer peripheral edge of the main body sheet 11. B are provided at locations overlapping the leading edge (upper edge), the base edge (lower edge), and a pair of side edges (left edge and right edge) of the main body sheet 11. In this way, by welding the front side sheet 11a and the back side sheet 11b together even at the outer periphery of the main body sheet 11, the integrity of the front side sheet 11a and the back side sheet 11b is improved, and the front side sheet 11a and the back side sheet 11b are less likely to turn over. This increases the strength of the main body sheet 11.

[0033] The above-mentioned first welded portion α A and second welded part α B The linear welded parts α may be formed intermittently (for example, in a broken line or perforated shape). When the linear welded parts α are formed intermittently, the weld strength at the welded parts α is slightly reduced, but there is an advantage that the main body sheet 11 is less likely to break at the welded parts α. However, in the first embodiment of the paper fan 10, emphasis is placed on the weld strength, and the welded parts α are formed continuously (in a continuous line).

[0034] As shown in FIG. 3, a printed layer δ (printed layers δ1, δ2) can be provided on the outer surface of the front sheet 11a and the back sheet 11b. The printed layer δ1 is provided on the outer surface of the front sheet 11a (front surface of the main body sheet 11), and the printed layer δ2 is provided on the outer surface of the back sheet 11b (back surface of the main body sheet 11). As a result, like the paper fan 10 (FIG. 4) of the second embodiment described later, characters, figures, symbols, or combinations thereof (not shown in FIGS. 1 and 2) can be displayed on the outer surface (front surface or back surface) of the main body sheet 11. For example, cheering messages, photos of the players you are cheering for, illustrations of team characters, etc. can be displayed. The surface of the printed layer δ can be subjected to a surface treatment such as varnishing. This makes it possible to prevent the print from coming off.

[0035] This printing layer δ (printing layers δ1, δ2) can also be printed in a single color such as white. In this case, the surface can be made like a whiteboard on which messages can be written with water-based markers or the like. When watching a sporting event, it is a hassle to prepare all the player names and cheering messages in advance, but if the outer surface of the main sheet 11 can be used like a whiteboard, it becomes possible to write messages that come to mind at the time on the spot.

[0036] However, in the area where the printed layer δ is provided, it becomes difficult to weld the front sheet 11a and the back sheet 11b together. This problem can be solved by providing the printed layer δ after welding the front sheet 11a and the back sheet 11b together. However, in that case, the printed layer δ may be distorted. In this regard, if the printed layer δ is provided in the area excluding the welding portion α on the outer surfaces of the front sheet 11a and the back sheet 11b, and then the front sheet 11a and the back sheet 11b are welded together at the welding portion α, the printed layer δ can be provided neatly and the front sheet 11a and the back sheet 11b can be firmly welded together at the welding portion α.

[0037] 2. The second embodiment of the stencil Next, the second embodiment of the harifan will be described. Figures 4 and 5 are views of the harifan 10 of the second embodiment in which it is unfolded, with Figure 4 showing the state seen from the front side and Figure 5 showing the state seen from the back side. In the harifan 10 of the second embodiment, as shown in Figure 4, the characters "VICTORY!" and photos of five players are printed on the printing layer δ1 on the front side of the main body sheet 11. Also, as shown in Figure 5, the printing layer δ2 on the back side of the main body sheet 11 is printed in a single white color. For this reason, the back side of the main body sheet 11 can be used like a whiteboard. For the configurations of the harifan 10 of the second embodiment that are not specifically mentioned, the same configurations as those described for the harifan 10 of the first embodiment can be adopted.

[0038] 3. Third embodiment of the stencil Next, a third embodiment of the stencil fan will be described. Figures 6 and 7 are views of the stencil fan 10 of the third embodiment in which Figure 6 shows the state seen from the front side, and Figure 7 shows the state seen from the back side. In the stencil fan 10 of the second embodiment described above (Figure 4), characters and photographs are displayed on the front side of the main body sheet 11 by printing (providing a printing layer δ1) on the outer surface of the front side sheet 11a. In contrast, in the stencil fan 10 of the third embodiment (Figure 6), the same characters and photographs are displayed without printing on the front side sheet 11a.

[0039] Specifically, as shown in Fig. 7, a card insertion slot 12 is provided near the base edge (lower edge) on the back side of the main body sheet 11, and by inserting a card 13 through this card insertion slot 12 into the gap space ε (see Fig. 3) between the front side sheet 11a and the back side sheet 12b, the characters and photos printed on the front side of the card 13 can be seen from the front side of the main body sheet 11, as shown in Fig. 6. The front side sheet 11a is left transparent (without a printed layer) so that the front side sheet 11a does not hide the card 13.

[0040] A plurality of cards 13 (a total of 10 cards in this example) are prepared, and when these cards 13 are lined up, the letters and designs of each card 13 are continuous. These cards 13 are arranged so that adjacent first welded parts α A The area between (8 places) and the first welded part α located on the left side A and the second welded portion α along the left edge of the main body sheet 11. B The area between the right and left welded areas (one area) and the rightmost first welded area α A and the second welded portion α along the right edge of the main body sheet 11. B For this reason, the card insertion slot 12 is provided at a location corresponding to each of the areas.

[0041] In the third embodiment of the paper fan 10, the card insertion opening 12 is formed by providing a slit-shaped cut in the back sheet 11b, but it can also be formed by providing a similar cut in the front sheet 11a. Also, the card insertion opening 12 is not in the form of a cut, but is formed by providing the second welded portion α at the base end edge (lower end edge) of the main body sheet 11. B Furthermore, the card insertion slot 12 can be formed near the tip edge (upper edge) of the main body sheet 11 instead of near the base edge (lower edge).

[0042] In the third embodiment of the paper fan 10, not only the front sheet 11a but also the back sheet 11b are transparent. Therefore, the back of the card 13 can be seen from the back side of the main body sheet 11. The back of the card 13 is a single color (white in this example). Therefore, the back of the main body sheet 11 can be used as a whiteboard. In this regard, characters, figures, etc. may be written on the back of the card 13 so that the characters, figures, etc. can be seen from the back side of the main body sheet 11.

[0043] In this way, by making the front sheet 11a and the back sheet 11b transparent and allowing the card 13 to be inserted into the gap space ε between the front sheet 11a and the back sheet 11b through the card insertion port 12, it becomes possible to change the characters, figures, etc. displayed on the front and back sides of the main sheet 11 by replacing the card 13. Therefore, if multiple sets of cards 13 are prepared, it becomes possible to use one main sheet 11 in various situations. For example, when rooting for a baseball team, it becomes possible to insert a card 13 for that baseball team into the main sheet 11, and when rooting for a soccer team, it becomes possible to insert a card 13 for that soccer team into the main sheet 11.

[0044] The card 13 also functions as a core for the main body sheet 11, thereby making the main body sheet 11 even stronger. The card 13 may be used solely as a core without being printed on. In this case, the characters, figures, etc. of the main body sheet 11 are printed on the outer surfaces of the front sheet 11a and the back sheet 11b.

[0045] For configurations of the paper fan 10 of the third embodiment that are not specifically mentioned, configurations similar to those described for the paper fan 10 of the first embodiment and the paper fan 10 of the second embodiment can be adopted.

[0046] 4. Fourth embodiment of the sled Next, a fourth embodiment of the sash fan will be described. Fig. 8 is a perspective view showing the sash fan 10 of the fourth embodiment. Fig. 9 is a view showing the sash fan 10 of the fourth embodiment unfolded and viewed from the front side. Fig. 10 is a cross-sectional view of the circled portion of Fig. 9 in the sash fan 10 of the fourth embodiment cut along the Y1-Y1 plane. As shown in Figs. 8 to 10, the sash fan 10 of the fourth embodiment has a light-emitting body housing area ζ in the striking portion 10b, and a rod-shaped light-emitting body 15 can be housed in the gap space ε (Fig. 10) between the front sheet 11a and the back sheet 11b in this light-emitting body housing area ζ.

[0047] At least a portion of the front sheet 11a and the back sheet 11b in the light-emitting body housing area ζ is left transparent without printing or the like, so that the light of the rod-shaped light-emitting body 15 can be emitted through the transparent area. This allows the rod-shaped light-emitting body 15 to emit light from the paper fan 10, making it possible to cheer more effectively and to liven up the atmosphere in the venue.

[0048] The light-emitting body accommodating region ζ is provided so as to extend in a strip shape from the base end edge (lower end edge) side to the tip end edge (upper end edge) side of the main body sheet 11, and the front side sheet 11a and the back side sheet 11c are welded together by a third welding portion α that overlaps the outer peripheral edge (the tip end edge (upper end edge) and the base end edge (lower end edge) as well as one side end edge (left end edge) and the other side end edge (right end edge)) of the light-emitting body accommodating region ζ. C The light-emitting body accommodating area ζ is welded in a linear shape. A light-emitting body insertion opening 14 (FIG. 9) is provided in the light-emitting body accommodating area ζ, and a rod-shaped light-emitting body 15 can be inserted into the gap space ε in the light-emitting body accommodating area ζ through the light-emitting body insertion opening 14. In the fourth embodiment of the paper fan 10, the light-emitting body insertion opening 14 is formed by providing a slit-shaped cut near the base end (lower end) of the light-emitting body accommodating area ζ. The light-emitting body insertion opening 14 (slit) may be provided in a straight line, but is preferably formed in an arc shape. This makes it possible to make the light-emitting body insertion opening (slit) 14 less likely to break near both ends when inserting or removing the rod-shaped light-emitting body 15 from the light-emitting body insertion opening 14.

[0049] The light emitter accommodation area ζ may be provided away from the fold L. However, in that case, the rod-shaped light emitter 15 is located in the left-right central portion of the planar portion between adjacent folds L in the striking portion 10b, and the rod-shaped light emitter 15 tends to interfere with the contact between the adjacent planar portions in the striking portion 10b, which may make it difficult to make a sound when the striking portion 10b is struck. In addition, the rod-shaped light emitter 15 is located in a recessed position, which may make the light of the rod-shaped light emitter 15 difficult to see.

[0050] For this reason, in the fourth embodiment of the paper fan 10, the light-emitting body accommodating area ζ is provided along the fold L. As described above, the front sheet 11a and the back sheet 11b at the outer periphery of the light-emitting body accommodating area ζ (the tip edge (upper edge) and the base edge (lower edge) as well as one side edge (left edge) and the other side edge (right edge)) are welded at the third welded portion α C The third welded part α C Among them, a portion for welding one side edge (left edge) of the light emitting body accommodating area ζ (hereinafter, referred to as the “third welding portion α CThe left edge of the third welded part α is overlapped with the fold line L. C The left edge of the first welded portion α A The fold line L is adapted to provide a similar function to that of the main sheet 11 (function of making the main sheet 11 easier to bend at the fold line L).

[0051] The light emitting body accommodating areas ζ may be provided along all the folds L (folds L1 to L9), but in this case, the number of rod-shaped light emitting bodies 15 required will increase, making the paper fan 10 heavier. There is also a risk that the rod-shaped light emitting bodies 15 will get in the way and make it difficult to produce sound. For this reason, in the paper fan 10 of the fourth embodiment, the light emitting body accommodating areas ζ are provided only along the folds L3, L5, and L7. In other words, the light emitting body accommodating areas ζ are provided on every other fold L in the left-right central portion of the main body sheet 11. Also, the light emitting body accommodating areas ζ may be provided so as to reach the tip edge (upper edge) of the main body sheet 11, but in the paper fan 10 of the fourth embodiment, they are provided so as not to reach the tip edge (upper edge) of the main body sheet 11. The reason for this is that the first welded portion α A In the blank interval γ A This is similar to providing a 3-D filter (Figure 2).

[0052] The length of the light-emitting body accommodating area ζ is not particularly limited. However, if the length of the light-emitting body accommodating area ζ is too short, the light-emitting body accommodating area ζ cannot accommodate a long rod-shaped light-emitting body 15. For this reason, the length of the light-emitting body accommodating area ζ is preferably 100 mm or more. The length of the light-emitting body accommodating area ζ is more preferably 150 mm or more, and even more preferably 200 mm or more. However, if the length of the light-emitting body accommodating area ζ is made too long, the dimensions of the main body sheet 11 will inevitably become large, making it difficult to swing the harisen 10. For this reason, the length of the light-emitting body accommodating area ζ is preferably 300 mm or less. In the harisen 10 of the fourth embodiment, the length of the light-emitting body accommodating area ζ is 210 mm.

[0053] The ratio W2 / W1 of the width W2 (FIG. 10) of the light-emitting body accommodating area ζ to the interval W1 (FIG. 10) between adjacent folds L in the main body sheet 11 is not particularly limited. However, if the ratio W2 / W1 is too large, it becomes difficult to make a loud sound when the striking portion 10b is struck. For this reason, the ratio W2 / W1 is preferably 0.5 or less. The ratio W2 / W1 is more preferably 0.45 or less, and even more preferably 0.4 or less. There is no particular lower limit to the ratio W2 / W1, but it is usually set to be greater than 0.05. In the fourth embodiment of the sash 10, the width W1 is 42 mm, the width W2 is 15 mm, and the ratio W2 / W1 is about 0.36.

[0054] The type of rod-shaped light emitter 15 accommodated in the light emitter accommodation area ζ is not particularly limited, and light emitting diodes (LEDs) and the like can be used. However, if a light emitting diode is used as the rod-shaped light emitter 15, it becomes necessary to provide a power source and wiring to the harifen 10. For this reason, in the harifen 10 of the fourth embodiment, a chemical light emitter that does not require a power source or wiring is used as the rod-shaped light emitter 15. FIG. 11 shows a cross-sectional view of the rod-shaped light emitter 15 (chemical light emitter) used in the harifen 10 of the fourth embodiment. This rod-shaped light emitter 15 is composed of an outer cylinder 15a, an inner cylinder 15b accommodated in the outer cylinder 15a, a first liquid 15c placed in the inner cylinder 15b, and a second liquid 15d placed in the gap between the outer cylinder 15a and the inner cylinder 15b. When the outer tube 15a of this rod-shaped light-emitting body 15 is subjected to an impact, such as by bending the outer tube 15a, the inner tube 15b breaks and the first liquid 15c and the second liquid 15d come into contact with each other and undergo a chemical reaction, thereby emitting light.

[0055] The outer tube 15a is a flexible tube made of a thermoplastic resin such as polyethylene or polypropylene. The inner tube 15b is a fragile tube (glass ampoule) made of glass such as borosilicate glass. One of the first liquid 15c and the second liquid 15d is an oxidizing liquid, and the other is a fluorescent liquid. In the fourth embodiment of the sash 10, the oxidizing liquid is a liquid obtained by mixing an alcohol, hydrogen peroxide, and a salicylate in an ester-based solvent, and the fluorescent liquid is a liquid obtained by mixing an oxalate ester and a fluorescent dye in an ester-based solvent.

[0056] By using the above-mentioned chemical luminescent material as the rod-shaped luminescent material 15, the rod-shaped luminescent material 15 can be stored in the luminescent material storage area ζ without actively bending the rod-shaped luminescent material 15. While using the fan 10 (while striking the striking part 10b), the inner tube 15b breaks, and the first liquid 15c and the second liquid 15d react chemically, causing the rod-shaped luminescent material 15 to emit light. After a predetermined time (generally several tens of minutes to several hours), the rod-shaped luminescent material 15 stops emitting light. If the rod-shaped luminescent material 15 that has stopped emitting light is replaced with a new rod-shaped luminescent material 15 through the luminescent material insertion port 14 (FIG. 9), the fan 10 can be made to emit light again. The rod-shaped luminescent material 15 can be sold separately from the main body part (the fan part) of the fan 10 (or, conversely, the main body part (the fan part) of the fan 10 can be purchased separately).

[0057] The above-described fourth embodiment of the harisan 10 can be used not only for sound effects but also for light effects, and therefore can be suitably used at various events (sports events, live performances, festivals, etc.). In particular, it can be suitably carried when watching or appreciating a sports game or live performance held outdoors at night, when participating in a festival held outdoors at night, or when watching or appreciating a game or live performance held indoors. This allows for effective cheering and effectively livening up the atmosphere at the game venue.

[0058] For the configurations of the fourth embodiment of the sash 10 that are not specifically mentioned, configurations similar to those described for the first embodiment of the sash 10, the second embodiment of the sash 10, and the third embodiment of the sash 10 may be adopted. [Explanation of symbols]

[0059] 10. Harisen 10a Grip section 10b Attachment part 11 Main sheet 11a Front sheet 11b Back sheet 12 Card slot 13. Cards 14 Light source insertion port 15 Rod-shaped light source 15a Outer cylinder 15b Inner cylinder 15c first liquid 15d Second liquid L1~L9 folds W1 Fold Spacing W2 Width of light source housing α Welded part α A First weld part α B Second weld part α C Third weld part Gamma A Blank section (tip edge side) Gamma B Blank section (base edge side) δ printing layer δ1 Printing layer (front side) δ2 Printing layer (back side) ε Interstitial space ζ Luminous Object Containment Area

Claims

1. The main sheet is creased in several ways to form it into an accordion shape. The base end edge side of the main sheet folded in an accordion shape is a grip portion to be held by hand, A stencil fan in which the tip edge side of the main sheet folded in an accordion shape is a striking part that produces a sound when struck, The main sheet is A resin front sheet that forms the front surface of the main body sheet; A resin back sheet that forms the back surface of the main sheet; The structure is layered, The front sheet and the back sheet are linearly welded together at a first welded portion that overlaps the fold. A fan that features a

2. The paper fan according to claim 1 , wherein both end sections of the fold are blank sections in which no first welded portion is provided.

3. 3. The paper fan according to claim 2, wherein the front sheet and the back sheet are linearly welded at a second welded portion overlapping the outer peripheral edge of the main sheet.

4. 4. The paper fan according to claim 3, wherein a printed layer is provided on the outer surface of at least one of the front sheet and the back sheet.

5. 4. The paper fan according to claim 3, wherein a card insertion slot for inserting a card into a gap space between the front sheet and the back sheet is provided in the main sheet.

6. The striking portion is provided with a light-emitting body accommodating area extending in a strip shape from the base end edge side to the tip end edge side of the main body sheet, The front sheet and the back sheet are linearly welded at a third welded portion that overlaps the outer periphery of the light-emitting body housing area, A rod-shaped light emitter can be accommodated in the gap between the front sheet and the back sheet in the light emitter accommodation area. The fan according to claim 3.

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