JP4027328B2 - Castanets and manufacturing method thereof - Google Patents

Description

The present invention relates to a castanet used for percussion instruments and the like, and relates to a castanet configured using a plate-like material such as paper and a manufacturing method thereof.

  Castanet is a percussion instrument that has a simple structure in which two disc-shaped pieces of wood are joined together by a rubber string so that they can be opened and closed, and each piece of wood is struck using the elasticity of the rubber string. Such a percussion instrument is also used as a sounding means other than a musical instrument, and has a use as a sounding instrument used during sports watching.

The following patent documents exist regarding such castanets.
JP-A-8-297484

  Patent Document 1 discloses a keyboard instrument that is fixed to a hand, and this keyboard instrument is a percussion instrument that uses castanets. Such percussion instruments and original castanets are inconvenient to sell or distribute to participants at the event venue, and they are unfamiliar to the participants themselves. In addition, the shape of conventional castanets has been specified, and synthetic resin molded products and wood processed products involve large-scale processing using a mold or a lathe, and therefore there is a problem that it takes time to manufacture an arbitrary shape. . Patent Document 1 does not disclose such a problem or a solution thereof.

SUMMARY OF THE INVENTION An object of the present invention is to provide a castanet that can be freely assembled by a user with a plate-like material such as paperboard and used as a simple sounding means, and a manufacturing method thereof.

In order to achieve the above object, the castanets (2) of the present invention have a bent portion (8) formed by bending a single plate-like material (laminated plate 30), and an angle change is caused by this bent portion. Possible first and second opposing pieces (abutting portions 4 and 6), a protrusion (blowing portion 10) formed on the opposing surface side of these first or second opposing pieces, and the first An elastic ring (rubber ring 18) suspended around the opposed piece and the second opposed piece, and a hooking portion (rubber ring 18) formed on the back surface of the opposed piece by the elastic ring; In this configuration, the angle between the first facing piece and the second facing piece is changed with the portion as a fulcrum, and the projecting portion and the facing piece facing the projecting portion are struck to generate sound.

  With such a configuration, the first and second opposing pieces that are in a chained state via the bent portion have a restoring force due to the elasticity of the plate-like material, and even if the user hits them, the original angle You can return to and repeat it.

To achieve the above object, may be configured to as added between the front Symbol bullet resistant said ring load by the elastic with the first facing plate and the second facing plate. With this configuration, the elasticity of the elastic ring acts as a restoring force on the first and second opposing pieces, narrowing the sound generation interval and obtaining strong sound.

  In order to achieve the above object, the elastic ring may be configured to hang around a notch (16) formed in the first opposed piece and the second opposed piece.

In order to achieve the above object, the projecting portion projects by bending an intermediate portion of the projecting piece (12) formed by the plate-like material integrally with the first facing piece or the second facing piece. It is good also as a structure inserted into the slit (14) formed in the said opposing piece in which the said protrusion piece is formed .

  In order to achieve the above object, the plate-like material may be composed of a laminated material in which a synthetic resin layer is interposed between paperboards. With such a configuration, it becomes a core of the paperboard on which the synthetic resin layer is laminated, so that the rigidity of the paperboard can be increased and the sound generation frequency can be increased.

In order to achieve the above object, the first facing piece and the second facing piece may be configured such that the facing surface side is curved .

In order to achieve the above object, the method for producing a castanet of the present invention includes a process of bonding a plurality of paperboards to form a platey material by interposing a synthetic resin layer between the paperboards, and the platelike material. or a process of performing a predetermined display by printing the paperboard, punching the plate material, is configured to include a process that form a chain-like first and second opposing pieces.

  According to the present invention, the following effects can be obtained.

  (1) The user can easily assemble and use it as a sound generator as necessary, and can realize a compact and highly safe castanet.

  (2) Since it can be formed of a thin plate material, a desired shape can be easily obtained.

(3) Compact and highly safe castanets can be manufactured easily and inexpensively.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view showing a castanet according to the first embodiment, and FIG. 2 is a view showing a use state thereof.

  The castanets 2 are provided with two disk-shaped meeting parts 4 and 6 as first and second opposing pieces, and each of the meeting parts 4 and 6 is connected by a bending part 8. It is the structure made to bend. These meeting parts 4 and 6 and the bending part 8 are formed with the plate-shaped material which is a laminated material, for example, a some paperboard. Each meeting part 4 and 6 is the same shape on a plane, and is a left-right symmetric shape centering | focusing on the bending part 8. FIG. Moreover, in this embodiment, the hit | damage part 10 is formed as a protrusion with the same member as the hit | damage part 4 at the hit | matching part 4 side which is a 1st opposing piece. The striking portion 10 has a cross-sectional chevron shape by bending an intermediate portion of the protruding piece 12 extending from the striking portion 4 into a chevron and inserting the tip side into a slit 14 formed in the striking portion 4. .

  Further, in the meeting portions 4 and 6, for example, a bead-shaped cutout portion 16 is formed on the bent portion 8 side, and a rubber ring 18 is wound around the cutout portion 16 as an elastic ring, for example. . The rubber ring 18 exposed on the back side of the abutting portions 4 and 6 constitutes a hooking portion for fixing the castanets 2 to fingers or the like.

With such a configuration, for example, as shown in FIG. 2, the castanets 2 can be fixed to the hand by putting a finger in the rubber ring 18 exposed on the back side of the meeting portion 6. When the striking portions 4 and 6 of the castanets 2 face the space between the thumb and the distance between the index finger and the thumb, that is, the angle is changed, the striking portion 10 on the striking portion 4 side responds to the change. The hitting portion 6 side can be hit, and sound can be generated by this hit. In this case, although it operates with both fingers, it can sound similarly by hitting the castanets 2 fixed to the fingers against a part of the user's body.
(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. 3 to 5 show an embodiment of the castanet manufacturing method of the present invention, FIG. 3 is a view showing a method for forming a castanet material, FIG. 4 is a plan view showing the original shape of the castanet, and FIG. It is a perspective view which shows the assembly of a castanet.

  As a material for producing the castanets 2, for example, two paperboards 20 and 22 are used, and the surface pattern and shape lines of the castanets 2 are printed on the surface side of the paperboards 20 and 22. As shown in FIG. 3A, a paperboard 20 is installed on the upper surface of the base 24 with the adhesive surface side up, and an adhesive 26 containing a synthetic resin is applied to the surface thereof. When the paperboard 22 is put on the adhesive 26 as shown by an arrow C and the two are bonded, a resin layer 28 made of the adhesive 26 is provided between the paperboards 20 and 22 as shown in FIG. A laminated plate 30 is formed as a plate-like material integrated by interposing. In this case, a resin sheet is interposed between the paperboards 20 and 22 in place of the adhesive 26, and the resin layer 28 is adhered to the paperboards 20 and 22 by thermocompression treatment by pressurization and heating. The laminate 30 may be formed by generating the laminate 30.

  The laminated plate 30 is printed with a shape line, a pattern, or the like representing the joining portions 4 and 6 of the castanets 2 and the protruding pieces 12 on the surface portion thereof. Therefore, the meeting parts 4 and 6 and the projecting piece 12 are formed by Thomson removal along the shape line. In this case, a U-shaped slit 14 is formed in the meeting part 4. In this embodiment, the bent portions 8, 32, and 34 are cut by Thomson and half-cut by other methods. In addition, a semicircular insertion portion 36 that can be inserted into the slit 14 is formed integrally with the protruding piece 12.

  With such a configuration, as shown in FIG. 5, the bend portions 4 and 6 are bent at the bent portion 8, and the rubber ring 18 is formed in the notch portion 16 so as to intersect with each other on the facing surface side of the match portions 4 and 6. , The bent portion 32 of the projecting piece 12 is folded in a mountain, the bent portion 34 is folded in a valley, and the insertion portion 36 is inserted into the slit 14, thereby forming the angled hitting portion 10 on the inner surface side of the abutting portion 4. Is done. As a result, the castanet 2 shown in FIG. 1 is completed.

  According to the castanets 2 using such a laminated material 30, the paperboards 20 and 22 are reinforced by the resin layer 28 interposed between them, and the rigidity is increased, and at the same time the pitch of the hitting sound is increased. A unique sound of the laminated sheet 30 of paper and resin layer can be obtained. Further, softening due to moisture emitted from the hand can be prevented. Further, if the depth of the cut forming the bent portion 8 is shallow, for example, a cut is made only in one of the paperboards 20 and 22 of the laminated board 30 and no cut is formed in the resin layer 28, the bent portion 8 8 is prevented from being strengthened and reduced, and the restoring force by bending is increased.

Further, in the castanets 2 formed by the laminated board 30 of the resin layer 28 and the paperboards 20 and 22, the stress of Thomson removal and the drying of the adhesive 26 are combined, for example, in FIG. As shown, it can be curved so that the meeting parts 4, 6 face each other with a curvature centered on an imaginary line L orthogonal to the bent part 8. In this embodiment, the Thomson removal direction is the D direction. If the direction is opposite to this direction, the meeting parts 4 and 6 can be configured to warp in the opposite direction.
(Third embodiment)
A third embodiment of the present invention will be described with reference to FIGS. 7 to 9 show a castanet and a manufacturing method thereof according to a third embodiment of the present invention, FIG. 7 is a plan view showing the original shape of the castanet, and FIG. 8 is a perspective view showing the assembly of the castanet. 9 is a perspective view showing a castanet according to the third embodiment. The same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.

  In this embodiment, the notch 16 is omitted from the meeting part 4, the notch 16 is formed on the meeting part 6 side, and the slit 14 is formed. Further, notches 38 and 40 are formed on the side of the hitting portion 6, and hitting pieces 42 that are continuous with the connecting portion 41 interposed in the hitting portion 6 are continuously formed.

  Then, as shown in FIG. 8, the connecting portion 41 and the striking piece 42 are separated from the abutting portion 6 side, the striking piece 42 is bent into a trapezoidal shape at its bent portion 44, and the insertion portion 46 is slit in the striking portion 6. As shown in FIG. 9, the castanets 2 are obtained by inserting them into 14 and hanging the rubber rings 18 around the notches 16.

  Also with the castanets 2 having such a configuration, a finger can be put on the rubber ring 18 and the restoring force of the bent portion 8 can be used to make a meeting by operating the angle of the meeting portions 4 and 6 and generate sound similarly.

  In addition, in the said embodiment, although the laminated board by a paperboard and resin was described as an example as a raw material used for the castanet 2, plate-shaped raw materials, such as a plastic board and a warp wood, may be used.

  Further, in the laminated board 30 of the above-described embodiment, the three-layered structure including the paperboards 20 and 22 and the resin layer 28 has been described. Alternatively, a laminate of a single paperboard and a resin layer or a resin plate may be used.

As described above, the most preferable embodiment of the present invention has been described. However, the present invention is not limited to the above description, and the gist of the invention described in the claims or disclosed in the specification. It goes without saying that various modifications and changes can be made by those skilled in the art based on the above, and such modifications and changes are included in the scope of the present invention.

It is a perspective view which shows the castanet which concerns on the 1st Embodiment of this invention. It is a figure which shows a use condition. It is a figure which shows the structure of the plate-shaped material used for the manufacturing method of the castanet which concerns on the 2nd Embodiment of this invention. It is a top view which shows the original form of a castanet. It is a perspective view which shows the assembly of a castanet. It is a front view which shows a castanet. It is a top view which shows the original form of the castanet which concerns on the 3rd Embodiment of this invention. It is a perspective view which shows the assembly of a castanet. It is a perspective view which shows the castanet which concerns on 3rd Embodiment.

Explanation of symbols

2 Castanets 4, 6 Meeting part (first and second facing pieces)
8 Bending part 10 Blowing part 12 Projection piece 16 Notch part 18 Rubber ring 30 Laminated plate (plate-like material)

Claims (7)

Together with a bent portion formed by bending a single plate-like material, first and second opposing pieces capable of changing the angle by this bent portion;
A protrusion formed on the opposing surface side of these first or second opposing pieces;
An elastic ring suspended around the first opposing piece and the second opposing piece ;
A hook portion formed on the back surface of the opposing piece by the elastic ring ,
With the bent portion as a fulcrum, the angle between the first opposed piece and the second opposed piece is changed, and the projecting portion and the opposed piece facing the projected portion are struck to generate sound. Castanet to do. Castanets of claim 1, wherein the addition is characterized by comprising between the load due to the elasticity possessed by the pre-Symbol bullet resistant ring and the first facing plate and the second facing plate.   The castanets according to claim 1, wherein the elastic ring is hung around a notch formed in the first opposed piece and the second opposed piece. The projecting portion bends and projects an intermediate portion of a projecting piece formed of the plate-like material integrally with the first facing piece or the second facing piece, and an end portion of the projecting piece is formed. castanets according to claim 1, characterized by being the is inserted into the slit formed in the opposing piece has. 2. The castanets according to claim 1, wherein the plate-like material is made of a laminated material in which a synthetic resin layer is interposed between paperboards.
The castanets according to claim 1, wherein the first facing piece and the second facing piece are formed by curving the facing surface side . A process of bonding a plurality of paperboards to form a plate-like material by interposing a synthetic resin layer between the paperboards;
Processing to give a predetermined display by printing on the plate material or the paperboard;
Punching said plate-like member, a process that form a chain-like first and second opposing piece,
A method for producing a castanet comprising:

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