KR20200145708A - Guitar having fabric reinfored sheet and method of fabricating the same - Google Patents

Abstract

Disclosed is a guitar having a fabric sheet. The guitar comprises: an upper plate having a thickness of 2 to 3 mm, having a brace pattern formed on the inner surface thereof, and having a sound hole formed therethrough; a lower plate having a thickness of 2 to 3 mm while facing the upper plate, and having a brace pattern formed on the inner surface thereof; a side plate for coupling the upper plate to the lower plate; a plurality of reinforcing sheet bonding portions formed in the remaining area except for an edge assembly area formed with a width along the outer circumferential edge of the upper plate or the lower plate and an area to which a brace is attached; a fabric-reinforced sheet cut according to values set as the same dimensions as the shape and size of the reinforcing sheet bonding portions, and made of a fibrous structure having a thickness of 0.1 to 0.5 mm; and a bonding member formed to have a thickness of less than 0.5 mm to correspond to the cut and cut back surface of the fabric-reinforced sheet or the surface area of the reinforcing sheet bonding portions. Therefore, durability can be improved by the fabric-reinforced sheet, cracking of the upper plate and the lower plate can be prevented, and the sustain performance of the guitar can be maintained.

Description

Guitar with fabric reinforcement sheet and its manufacturing method {GUITAR HAVING FABRIC REINFORED SHEET AND METHOD OF FABRICATING THE SAME}

The present invention improves durability by preventing cracking and deformation by increasing the strength and hardness of the raw wood of the upper plate and the lower plate that are sensitive to temperature and humidity by the fabric reinforcement sheet, enriching the sound, and continuing other inherent reverberation and residual sounds. It relates to a guitar with a fabric reinforcement sheet and a method of manufacturing the same, which can maintain the in-sustain performance.

In general, an acoustic guitar or a classical guitar is manufactured with an upper plate, a lower plate, and a side plate in consideration of the characteristics of wood, and the type of brace is applied in the form of an X brace or a classic brace according to the type of guitar string.

However, in most guitars, cracking of the upper, lower, and side plates due to temperature and humidity occurs due to negligence of management or handling by the user, resulting in deterioration of the sound according to the inherent characteristics of other wood materials and deterioration of the cysteine effect. There was.

Accordingly, a guitar with a fabric sheet equipped with a fabric sheet that minimizes the loss of the unique tone of the guitar and prevents cracking and deformation as much as possible and prevents cracking and maintains the unique sustain performance of the guitar and its manufacturing method This is an urgent need.

Korean Patent Application Publication No. 10-2005-0037124 (2005.04.21) Korean Patent Registration No. 10-1819960 (2018.01.12)

The technical problem to be achieved by the idea of the present invention is to increase the strength and hardness of the upper and lower logs by fabric reinforcing sheets to prevent cracking and deformation, thereby improving durability, enriching sound, and other inherent reverberation and It is to provide a guitar with a fabric reinforcement sheet and a manufacturing method thereof that can maintain the sustain performance, which is the persistence of residual sound.

In order to achieve the above object, an embodiment of the present invention is made of a thickness of 2mm to 3mm, a brace pattern is formed on the inner surface, a sound hole is formed through the top plate; A lower plate having a thickness of 2mm to 3mm facing the upper plate and having a brace pattern formed on the inner surface thereof; A side plate coupling the upper plate and the lower plate; A plurality of reinforcing sheet bonding portions formed on the remaining areas except for an edge assembly area formed with a predetermined width along an outer circumferential edge of the upper plate or the lower plate and an area to which the brace is attached; A fabric reinforcement sheet made of a fiber structure having a thickness of 0.1mm to less than 0.5mm, cut and cut according to the values drafted to the same dimensions as the shape and size of the reinforcing sheet adhesive portion; And an adhesive member formed to have a thickness of less than 0.5mm to correspond to the back surface of the fabric reinforcement sheet or the surface area of the reinforcement sheet adhesive portion cut and improve durability by the fabric reinforcement sheet, and the upper plate and the lower plate Provides a guitar with a fabric sheet to prevent cracking and maintain the guitar's inherent sustain performance.

Here, the fabric reinforcement sheet is made of carbon yarn and is made of either a plain weave or a twill weave structure, has a unit weight (g/m2) of 150 to 250, a thickness of 0.14 mm to 0.3 mm, and When the weft is 1k to 3k, the density (count/in) may be 8 to 20.

Further, on the inner surface of the upper plate or the lower plate, an attachment guide display rule may be formed by printing or laser engraving any one of an attachment area of the brace or an attachment area of the reinforcement sheet bonding portion.

In addition, the attachment guide mark guides the attachment area of the brace, attaches the brace to the inner side of the upper or lower plate with an adhesive resin, and then the fabric reinforcement sheet pre-cut to the shape and size corresponding to the remaining area. Can be attached to the adhesive member.

In addition, the attachment guide mark guides the attachment area of the fabric reinforcement sheet, attaches the fabric reinforcement sheet to the inner surface of the upper or lower plate with the adhesive member, and then pre-cuts the shape and size corresponding to the remaining area. The brace can be attached with an adhesive resin.

In addition, the attachment guide mark may form an attachment region of the brace by a cutting tool.

In addition, after attaching the fabric reinforcement sheet to the inner surface of the upper plate or the lower plate with the adhesive member, a brace attachment guide mark is formed on the surface of the fabric reinforcement sheet by printing or laser engraving, and then the brace is used as an adhesive resin. Can be attached.

In addition, a plurality of side plate reinforcement sheet adhesive portions formed on the inner surface of the side plate except for an edge assembly region formed with a predetermined width along an outer circumferential edge of the side plate and a region where an end portion of the brace is attached to interfere with each other; A fabric side plate reinforcement sheet made of a fiber structure having a thickness of 0.1mm to less than 0.5mm, cut and cut according to values drawn to the same dimensions as the shape and size of the side plate reinforcement sheet adhesive portion; And an adhesive member formed to have a thickness of less than 0.5mm to correspond to the back surface of the cut-and-cut fabric side plate reinforcement sheet or the surface area of the side plate reinforcement sheet adhesive portion.

On the other hand, another embodiment of the present invention is made of a thickness of 2mm to 3mm, the brace pattern is formed on the inner surface, the sound hole is formed through the steps of preparing a top plate; Preparing a lower plate having a thickness of 2mm to 3mm facing the upper plate and having a brace pattern formed on the inner surface thereof; Preparing a side plate coupling the upper plate and the lower plate; A plurality of reinforcing sheet adhesives formed on the rest of the area except for the border assembly area and the area to which the brace is attached along the outer periphery of the upper plate or the lower plate by any one of a printing or laser engraving process Forming; Cutting and cutting a fabric reinforcement sheet made of a fibrous structure having a thickness of 0.1mm to less than 0.5mm according to the drafted values in the same dimensions as the shape and size of the reinforcing sheet adhesive portion; Forming an adhesive member having a thickness of less than 0.5mm corresponding to the cut-and-cut back surface of the fabric reinforcement sheet or the surface area of the reinforcement sheet adhesive portion by either a spray coating method or a taping attachment method; And coupling the upper plate and the lower plate to both upper and lower ends of the side plate; including, improving durability by the fabric reinforcing sheet, preventing cracking of the upper plate and the lower plate, and maintaining other inherent sustain performance. , It provides other manufacturing methods with fabric sheets.

Here, the fabric reinforcement sheet is made of carbon yarn and is made of either a plain weave or a twill weave structure, has a unit weight (g/m2) of 150 to 250, a thickness of 0.14 mm to 0.3 mm, and When the weft is 1k to 3k, the density (count/in) may be 8 to 20.

In addition, the method may further include forming an attachment guide display rule on the inner surface of the upper plate or the lower plate by processing any one of the attachment area of the brace or the bonding area of the reinforcing sheet bonding portion by printing or laser engraving.

In addition, the attachment guide mark guides the attachment area of the brace, attaches the brace to the inner side of the upper or lower plate with an adhesive resin, and then the fabric reinforcement sheet pre-cut to the shape and size corresponding to the remaining area. Can be attached to the adhesive member.

In addition, the attachment guide mark guides the attachment area of the fabric reinforcement sheet, attaches the fabric reinforcement sheet to the inner surface of the upper or lower plate with the adhesive member, and then pre-cuts the shape and size corresponding to the remaining area. The brace can be attached with an adhesive resin.

In addition, the attachment guide mark may form an attachment region of the brace by a cutting tool.

In addition, after attaching the fabric reinforcement sheet to the inner surface of the upper plate or the lower plate with the adhesive member, a brace attachment guide mark is formed on the surface of the fabric reinforcement sheet by printing or laser engraving, and then the brace is used as an adhesive resin. Can be attached.

In addition, forming a plurality of side plate reinforcing sheet adhesive portions on the inner surface of the side plate except for an edge assembly region formed with a predetermined width along an outer circumferential edge of the side plate and a region to which the end of the brace is attached so as to interfere; Cutting and cutting a fabric side plate reinforcing sheet made of a fiber structure having a thickness of 0.1mm to less than 0.5mm according to a drafted value in the same dimension as the shape and size of the side plate reinforcement sheet adhesive portion; And forming an adhesive member with a thickness of less than 0.5mm to correspond to the cut and cut back surface of the fabric side plate reinforcement sheet or the surface area of the side plate reinforcement sheet adhesive portion.

In addition, the fabric reinforcement sheet is selectively attached to the top, bottom, and side panels of wood in response to the structure of the top, bottom, side and braces made of a specific other wood material, so that the brace is configured with the existing specific other braces. The method may further include comparing the sustain wavelength value extracted from the acoustic data of the guitar to which the fabric reinforcement sheet is attached and the sustain wavelength value extracted from the existing acoustic data of the specific guitar.

According to the present invention, the strength and hardness of the upper and lower logs sensitive to temperature and humidity are increased by the fabric reinforcement sheet to prevent cracking and deformation, thereby improving durability, enriching sound, and other inherent reverberation and residual noise. It is possible to maintain the sustain performance, which is the lasting of the product, and by diversifying the bonding process of the fabric reinforced sheet and brace, there is an effect that it can be customized for users from beginners to advanced users.

1 is an exploded perspective view of each other with a fabric reinforcement sheet according to an embodiment of the present invention.
Figure 2 shows a side view of the guitar provided with the fabric reinforcement sheet of Figure 1;
FIG. 3 is an exploded perspective view of an upper plate and a lower plate of the guitar provided with the fabric reinforcement sheet of FIG. 1, respectively.
Figure 4 is an illustration of the fabric reinforcement sheet attaching process of the other upper plate provided with the fabric reinforcement sheet of FIG.
5 is a diagram illustrating a process of attaching a fabric reinforcement sheet to the lower plate of the other with the fabric reinforcement sheet of FIG. 1.
6 is a schematic flowchart of another manufacturing method provided with a fabric reinforcement sheet according to another embodiment of the present invention.
7 is an illustration of the bonding process of the upper plate and the fabric reinforcement sheet to which the other manufacturing method provided with the fabric reinforcement sheet of Figure 6 is applied.
8 is a diagram illustrating an arrangement structure of a brace of another upper plate.
9 is a diagram illustrating the results of a tone comparison experiment of a conventional wooden guitar and a guitar equipped with a fabric reinforced sheet according to the present embodiment.

Hereinafter, embodiments of the present invention having the above-described features will be described in more detail with reference to the accompanying drawings.

Referring to Figures 1 to 5, a detailed description of the guitar equipped with a fabric sheet according to an embodiment of the present invention is as follows.

First, the top plate 110 is made of solid wood and has a thickness of 2mm to 3mm, preferably 2.8mm to 3mm, and a brace 111 pattern composed of reinforcing wood serving as a support is formed on the inner surface, and a sound hole 112 ) Is formed through.

For reference, the brace 111 pattern, referring to FIG. 8, is formed in a diagonal pattern (X-brace) as shown in (a), or a fan shape (fan-brace, as shown in (b)) That is, it may be formed as a classic brace) or in a lattice shape (lattice-brace) as shown in (c).

Next, the lower plate 120 is made of solid wood and is made of 2mm to 3mm thickness, preferably 2mm ± 0.5mm, opposite the upper plate 110, and a brace 121 pattern made of reinforcing wood as a support on the inner side is formed. do.

On the other hand, on the inner side of the upper plate 110 or the lower plate 120, any one of the attachment areas (B) of the braces 111 and 121 or the bonding areas of the reinforcing sheet bonding portion 140 is processed by printing or laser engraving to display the attachment guide. By forming a rule, the braces 111 and 121 or the reinforcing sheet adhesive portion 140 can be conveniently attached or formed according to the attachment guide indication.

Next, the side plate 130 combines the upper plate 110 and the lower plate 120 to form an inner ringing space.

Next, the reinforcing sheet adhesive portion 140 is divided into a plurality according to the brace (111, 121) pattern, as shown in Figure 4 (a) and 5 (a), respectively, the upper plate 110 or the lower plate 120 It is formed in a predetermined width along the outer periphery of the side plate 130 and is formed in the rest of the area except for the border assembly area A and the area B where the brace 111 is attached.

Next, the fabric reinforcement sheet 150, as shown in Figure 4 (b) and Figure 5 (b), respectively, cut by the drafted values to the same dimensions as the shape and size of the reinforcing sheet adhesive portion 140 It is cut, and may be made of a fibrous structure having a thickness of 0.1mm to less than 0.5mm.

Here, the fabric reinforcing sheet 150 is made of carbon yarn and is made of either a plain weave or twill weave structure, has a unit weight (g/m2) of 150 to 250, a thickness of 0.14 mm to 0.3 mm, and When the warp and weft yarns are 1k to 3k, the density (count/in) is 8 to 20, so while minimizing the thickness of the fabric reinforcement sheet 150 to be thin, it prevents cracking and deformation of the upper and lower logs, thereby improving durability. It is possible to preserve the sound of wood as much as possible without damaging the original sound.

Next, the adhesive member 160, referring to Figure 7 (a), is formed to have a thickness of less than 0.5mm to correspond to the surface area of the cut-cut fabric reinforcement sheet 150 or the reinforcement sheet adhesive portion 140, The fabric reinforcement sheet 150 may be attached to the upper plate 110 and the lower plate 120 except for the area A and the area B where the brace 111 is attached. I can.

Here, the adhesive member 160 may be made of epoxy resin and fixed by natural drying or heat curing after attaching the fabric reinforcing sheet 150, or may be made of double-sided tape to fix the fabric reinforcing sheet 150.

On the other hand, the aforementioned attachment guide mark guides the attachment area (B) of the brace 111, attaches the braces 111 and 121 to the inner surface of the upper plate 110 or the lower plate 120 with adhesive resin, The pre-cut fabric reinforcement sheet 150 in a corresponding shape and size may be attached to the adhesive member 160.

Here, referring to (c) of FIG. 7, of the adhesive member 160 for attaching the fabric reinforcing sheet 150, the remaining epoxy resin exposed to the edge of the fabric reinforcing sheet 150 is removed by a vacuum presser 170. It is also possible to perform a subsequent process of removal.

Or, by changing the order, the attachment guide display guides the attachment area (B) of the fabric reinforcement sheet 150, and the fabric reinforcement sheet 150 is attached to the upper plate 110 or the lower plate 120 as an adhesive member 160. After attaching to, the brace 111 pre-cut to the shape and size corresponding to the remaining area may be attached with an adhesive resin.

Here, the attachment guide mark may form a path on the inner side of the upper plate 110 and the lower plate 120 by a router cutting tool to form the attachment area B of the brace.

Alternatively, after attaching the fabric reinforcement sheet 150 with the adhesive member 160 on the inner surface of the upper plate 110 or the lower plate 120, the brace attachment guide mark is displayed on the surface of the fabric reinforcement sheet 150 by printing or laser engraving. After formation, the brace 111 may be attached to the upper portion of the fabric reinforcement sheet 150 with adhesive resin without removing the fabric reinforcement sheet 150.

For reference, after separately forming the attachment areas (B) of the first and second braces 111, the fabric reinforcement sheet 150 is removed to form the braces 111 and 121 so that the solid wood and the solid wood are in contact with each other. It is carried out in a required and complex process and can be applied to high-end other manufacturing by providing it to the sound of solid wood, and forming a brace attachment guide mark by printing or laser engraving on the surface of the third fabric reinforcement sheet 150, and fabric reinforcement sheet 150 ) Attaching the brace 111 to the upper part with an adhesive resin is performed in a simple process, and provides a resonant close to the reverberation caused by a solid wood, so that it can be applied to introductory or low-end other manufacturing.

In addition, the fabric reinforcement sheet may be attached to the side plate 130 in the same manner as the configuration of the upper plate 110 and the lower plate 120. Specifically, the outer peripheral edge of the side plate 130 is formed on the inner surface of the side plate 130. It is drafted in the same dimensions as the shape and size of the side plate reinforcement sheet adhesive portion and a plurality of side plate reinforcement sheet adhesive portions formed in the remaining regions except for the region where the edge assembly region formed with a certain width and the end portions of the braces 111 and 121 are attached to interfere The fabric side plate reinforcement sheet made of a fiber structure of 0.1mm to less than 0.5mm in thickness and cut and cut according to the value, and a thickness of less than 0.5mm to correspond to the surface area of the cut and cut fabric side plate reinforcement sheet By further including an adhesive member to be formed, it is possible to prevent cracking and deformation of the side plate wood to improve durability, and to maintain sustain performance, which is the persistence of other inherent reverberation and residual sounds.

6 and 7, other manufacturing methods having a fabric sheet according to another embodiment of the present invention will be described in detail as follows.

Firstly, in the upper plate preparation step (S110), the upper plate 110 is made to have a thickness of 2mm to 3mm, a brace 111 pattern is formed on the inner surface, and a sound hole 112 is formed through it.

For example, the top plate 110 is made of solid wood and has a thickness of 2mm to 3mm, preferably 2.8mm to 3mm, and a brace 111 pattern composed of reinforcing wood as a support is formed on the inner surface, and a sound hole 112 ) Is formed through.

For reference, the brace 111 pattern, referring to FIG. 8, is formed in a diagonal pattern (X-brace) as shown in (a), or a fan shape (fan-brace, as shown in (b)) That is, it may be formed as a classic brace) or in a lattice shape (lattice-brace) as shown in (c).

Subsequently, in the lower plate preparation step (S120), a lower plate 120 having a thickness of 2 mm to 3 mm facing the upper plate 110 and having a brace 111 pattern formed thereon is prepared.

For example, the lower plate 120 is made of solid wood, and has a thickness of 2mm to 3mm, preferably 2mm ± 0.5mm, facing the upper plate 110, and a brace 121 pattern made of reinforcing wood as a support is formed on the inner side. do.

On the other hand, on the inner surface of the upper plate 110 or the lower plate 120, any one of the attachment area B of the brace 111 or the bonding area of the reinforcing sheet bonding part 140 is processed by printing or laser engraving to display the attachment guide. Including the step of forming a rule (S125), the braces 111 and 121 or the reinforcing sheet adhesive portion 140 may be conveniently attached or formed according to the attachment guide indication.

For example, the aforementioned attachment guide mark guides the attachment area (B) of the brace 111, attaches the braces 111 and 121 to the inner surface of the upper plate 110 or the lower plate 120 with adhesive resin, and then to the remaining area. The pre-cut fabric reinforcement sheet 150 in a corresponding shape and size may be attached to the adhesive member 160.

Here, referring to (c) of FIG. 7, of the adhesive member 160 for attaching the fabric reinforcing sheet 150, the remaining epoxy resin exposed to the edge of the fabric reinforcing sheet 150 is removed by a vacuum presser 170. It is also possible to perform a subsequent process of removal.

Or, by changing the order, the attachment guide display guides the attachment area (B) of the fabric reinforcement sheet 150, and the fabric reinforcement sheet 150 is attached to the upper plate 110 or the lower plate 120 as an adhesive member 160. After attaching to, the brace 111 pre-cut to the shape and size corresponding to the remaining area may be attached with an adhesive resin.

Here, the attachment guide mark may form a path on the inner side of the upper plate 110 and the lower plate 120 by a router cutting tool to form the attachment area B of the brace.

Alternatively, after attaching the fabric reinforcement sheet 150 with the adhesive member 160 on the inner surface of the upper plate 110 or the lower plate 120, the brace attachment guide mark is displayed on the surface of the fabric reinforcement sheet 150 by printing or laser engraving. After formation, the brace 111 may be attached to the upper portion of the fabric reinforcement sheet 150 with adhesive resin without removing the fabric reinforcement sheet 150.

For reference, after separately forming the attachment areas (B) of the first and second braces 111, the fabric reinforcement sheet 150 is removed to form the braces 111 and 121 so that the solid wood and the solid wood are in contact with each other. It is carried out in a required and complex process and can be applied to high-end other manufacturing by providing it to the sound of solid wood, and forming a brace attachment guide mark by printing or laser engraving on the surface of the third fabric reinforcement sheet 150, and fabric reinforcement sheet 150 ) Attaching the brace 111 to the upper part with an adhesive resin is performed in a simple process, and provides a resonant close to the reverberation caused by a solid wood, so that it can be applied to introductory or low-end other manufacturing.

Subsequently, in the side plate preparation step (S130), the side plate 130 for coupling the upper plate 110 and the lower plate 120 is prepared. Here, the side plate 130 combines the upper plate 110 and the lower plate 120 to form an inner resonance space.

Subsequently, in the step of forming the reinforcing sheet adhesive portion (S140), the border assembly region (A) formed with a predetermined width along the outer circumferential edge of the upper plate 110 or the lower plate 120 and the region to which the brace 111 is attached (B A plurality of reinforcing sheet bonding portions 140 formed in the remaining areas except for) are formed by any one of a printing or laser engraving process.

That is, the reinforcing sheet adhesive portion 140 is divided into a plurality according to the pattern of the braces 111 and 121, and as shown in Figs. 4 (a) and 5 (a), respectively, the upper plate 110 or the lower plate 120 It is formed in a predetermined width along the outer periphery of the side plate 130 and is formed in the rest of the area except for the border assembly area A and the area B where the brace 111 is attached.

Subsequently, in the fabric reinforcement sheet cutting step (S150), the fabric reinforcement sheet 150 made of a fibrous structure having a thickness of 0.1mm to less than 0.5mm is drafted to the same dimensions as the shape and size of the reinforcing sheet adhesive part 140 Cut by cutting.

For example, the fabric reinforcement sheet 150 is cut by values drawn to the same dimensions as the shape and size of the reinforcing sheet adhesive portion 140, as shown in FIGS. 4(b) and 5(b), respectively. It is cut, and may be made of a fibrous structure with a thickness of 0.1mm to less than 0.5mm, made of carbon yarn and made of either a plain weave or a twill weave structure, and the unit weight (g/m²) is 150 to 250, and the thickness is 0.14mm to 0.3mm, and the density (count/in) is 8 to 20 when the warp and weft of the carbon yarn is 1k to 3k, so that the thickness of the fabric reinforcement sheet 150 is minimized while the crack of the upper and lower logs It prevents over-deformation, improves durability, and preserves the sound of the wood as much as possible without damaging the original sound.

Subsequently, in the adhesive member forming step (S160), spray-coating the adhesive member 160 formed to a thickness of less than 0.5mm to correspond to the cut-and-cut fabric reinforcing sheet 150 or the surface area of the reinforcing sheet adhesive 140 It is formed by either method or a taping method.

For example, the adhesive member 160, referring to Figure 7 (a), is formed to have a thickness of less than 0.5mm to correspond to the back surface of the cut-cut fabric reinforcement sheet 150 or the surface area of the reinforcing sheet adhesive portion 140, The fabric reinforcement sheet 150 may be attached to the upper plate 110 and the lower plate 120 except for the area A and the area B where the brace 111 is attached. In addition, the adhesive member 160 may be made of epoxy resin and fixed by naturally drying or heat curing after attaching the fabric reinforcing sheet 150, or made of double-sided tape to fix the fabric reinforcing sheet 150.

In addition, in the same configuration as the step of attaching the fabric reinforcement sheet 150 to the upper plate 110 and the lower plate 120, the step of attaching the fabric reinforcement sheet to the side plate 130 (S165) may be further included. Specifically, in the inner surface of the side plate 130, except for the area where the edge assembly area (A) formed with a certain width along the outer circumferential edge of the side plate 130 and the end of the brace 111 are attached to interfere with each other, Forming a plurality of side plate reinforcement sheet adhesive portions, and cutting and cutting the fabric side plate reinforcement sheet consisting of a fiber structure of 0.1mm to less than 0.5mm in thickness according to the drafted values in the same dimensions as the shape and size of the side plate reinforcement sheet adhesive portion. And forming the adhesive member 160 with a thickness of less than 0.5mm to correspond to the back surface of the cut-and-cut fabric side plate reinforcement sheet or the surface area of the side plate reinforcement sheet adhesive portion, thereby preventing cracking and deformation of the raw side plate It improves durability and maintains the sustain performance, which is the persistence of other reverberation and residual sounds.

Finally, in the side plate coupling step (S170), the upper plate 110 and the lower plate 120 are coupled to the upper and lower ends of the side plate 130.

Thereafter, the fabric reinforcement sheet 150 is applied to the upper plate 110, the lower plate of a wooden material in response to the structure of the existing top plate 110, the lower plate 120, the side plate 130, and the braces 111 and 121 made of a specific other wood material. 120), the sustain extracted from the acoustic data of the guitar with the fabric reinforcement sheet 150 produced by selectively attaching to the side plate 130 and applying the braces 111 and 121 in the same configuration as the existing brace 111 of a specific guitar It may further include comparing the wavelength value with the sustain wavelength value extracted from the existing sound data of a specific guitar (S180).

For example, FIG. 9 illustrates the results of a tone comparison experiment of an existing wooden guitar and a guitar equipped with a fabric reinforcement sheet according to this embodiment. Referring to this, the sound of the guitar according to Comparative Example 3 is It can be seen that the sound closest to the sound is provided. That is, for the guitar according to Comparative Example 3, after attaching a single fabric reinforcement sheet made of carbon yarn to the top plate, remove the fabric reinforcement sheet in the brace attachment area with laser engraving, and then As a guitar manufactured by attaching, compared to the guitar according to Comparative Examples 2, 4, and 5, the wavelength of sound closest to the original wavelength 1 can be provided.

Therefore, by the configuration of the embodiment as described above, by increasing the strength and hardness of the raw wood of the upper plate and the lower plate sensitive to temperature and humidity by the fabric reinforcing sheet to prevent cracking and deformation, improve durability, and enrich the sound. , It can maintain the sustain performance, which is the persistence of other reverberation and residual sound, and it can be customized for users from beginners to advanced users by diversifying the process of combining fabric reinforced sheets and braces.

The embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all the technical spirit of the present invention, so various equivalents that can replace them at the time of the present application It should be understood that there may be water and variations.

110: top plate 111: brace
112: sound hole 120: lower plate
121: brace 130: side plate
140: reinforced sheet adhesive 150: fabric reinforced sheet
160: adhesive member A: border assembly area
B: Attachment area

Claims (17)

A top plate having a thickness of 2mm to 3mm, having a brace pattern formed on an inner surface thereof, and having a sound hole penetrating therethrough;
A lower plate having a thickness of 2mm to 3mm facing the upper plate and having a brace pattern formed on the inner surface thereof;
A side plate coupling the upper plate and the lower plate;
A plurality of reinforcing sheet bonding portions formed in the remaining areas except for an edge assembly area formed with a predetermined width along an outer circumferential edge of the upper plate or the lower plate and an area to which the brace is attached;
A fabric reinforcement sheet made of a fiber structure having a thickness of 0.1mm to less than 0.5mm, cut and cut according to the values drafted to the same dimensions as the shape and size of the reinforcing sheet adhesive portion; And
Including; an adhesive member formed to have a thickness of less than 0.5mm to correspond to the back surface of the fabric reinforcement sheet or the surface area of the reinforcing sheet adhesive portion cut and improve durability by the fabric reinforcement sheet, and Guitar with fabric sheet to prevent cracking and maintain the guitar's inherent sustain performance.
The method of claim 1,
The fabric reinforcing sheet is made of carbon yarn and is made of either a plain weave or a twill weave structure, has a unit weight (g/m2) of 150 to 250, a thickness of 0.14 mm to 0.3 mm, and the warp and weft yarn of the carbon yarn When 1k to 3k density (count / in) is characterized in that the 8 to 20, other with fabric reinforced sheet.
The method of claim 1,
A fabric reinforcement sheet is provided on the inner side of the upper plate or the lower plate, characterized in that an attachment guide indication rule is formed by processing any one of the attachment area of the brace or the bonding area of the reinforcing sheet bonding portion by printing or laser engraving. Etc.
The method of claim 3,
The attachment guide mark guides the attachment area of the brace, attaches the brace to the inner side of the upper plate or the lower plate with adhesive resin, and then displays the fabric reinforcement sheet pre-cut to the shape and size corresponding to the remaining area. Other with a fabric reinforcement sheet, characterized in that attached with an adhesive member.
The method of claim 3,
The attachment guide mark guides the attachment area of the fabric reinforcement sheet, attaches the fabric reinforcement sheet to the inner side of the upper or lower plate with the adhesive member, and then pre-cut into a shape and size corresponding to the remaining area. Other with a fabric reinforcement sheet, characterized in that the brace is attached with an adhesive resin.
The method according to claim 4 or 5,
The attachment guide display, characterized in that to form the attachment area of the brace by a cutting tool, etc. with a fabric reinforced sheet.
The method of claim 1,
After attaching the fabric reinforcement sheet to the inner surface of the upper plate or the lower plate with the adhesive member, forming a brace attachment guide mark on the surface of the fabric reinforcement sheet by printing or laser engraving, and then attaching the brace with an adhesive resin. Characterized in that, other with a fabric reinforced sheet.
The method of claim 1,
A plurality of side plate reinforcement sheet adhesive portions formed on the inner surface of the side plate except for an edge assembly region formed with a predetermined width along an outer circumferential edge of the side plate and a region where the end of the brace is attached to interfere with each other;
A fabric side plate reinforcement sheet made of a fiber structure having a thickness of 0.1mm to less than 0.5mm, cut and cut according to values drawn to the same dimensions as the shape and size of the side plate reinforcement sheet adhesive portion; And
An adhesive member formed with a thickness of less than 0.5mm to correspond to the back surface of the cut-and-cut fabric side plate reinforcement sheet or the surface area of the side plate reinforcement sheet adhesive portion; characterized in that it further comprises a fabric reinforcement sheet other.
Preparing an upper plate formed with a thickness of 2mm to 3mm, a brace pattern formed on an inner surface, and a sound hole formed therethrough;
Preparing a lower plate having a thickness of 2mm to 3mm facing the upper plate and having a brace pattern formed on the inner surface thereof;
Preparing a side plate coupling the upper plate and the lower plate;
A plurality of reinforcing sheet adhesives formed on the rest of the area except for the border assembly area and the area to which the brace is attached along the outer periphery of the upper plate or the lower plate by any one of a printing or laser engraving process Forming;
Cutting and cutting a fabric reinforcement sheet made of a fibrous structure having a thickness of 0.1mm to less than 0.5mm according to the drafted values in the same dimensions as the shape and size of the reinforcing sheet adhesive portion;
Forming an adhesive member having a thickness of less than 0.5mm to correspond to the cut-and-cut back surface of the fabric reinforcement sheet or the surface area of the reinforcement sheet adhesive portion by either a spray coating method or a taping attachment method; And
Including, the step of coupling the upper plate and the lower plate to the upper and lower ends of the side plate; including, improving durability by the fabric reinforcing sheet, preventing cracking of the upper plate and the lower plate, and maintaining other inherent sustain performance, Other manufacturing methods equipped with a fabric sheet.
The method of claim 9,
The fabric reinforcing sheet is made of carbon yarn and is made of either a plain weave or a twill weave structure, has a unit weight (g/m2) of 150 to 250, a thickness of 0.14 mm to 0.3 mm, and the warp and weft yarn of the carbon yarn When 1k to 3k, the density (count/in) is 8 to 20, characterized in that, other manufacturing method with a fabric reinforced sheet.
The method of claim 9,
The upper plate or the inner side of the lower plate further comprises the step of forming an attachment guide display rule by processing any one of the attachment area of the brace or the bonding area of the reinforcement sheet bonding portion by printing or laser engraving, Other manufacturing methods with fabric reinforced sheets.
The method of claim 11,
The attachment guide mark guides the attachment area of the brace, attaches the brace to the inner side of the upper plate or the lower plate with adhesive resin, and then displays the fabric reinforcement sheet pre-cut to the shape and size corresponding to the remaining area. Other manufacturing method having a fabric reinforcement sheet, characterized in that attached with an adhesive member.
The method of claim 11,
The attachment guide mark guides the attachment area of the fabric reinforcement sheet, attaches the fabric reinforcement sheet to the inner side of the upper or lower plate with the adhesive member, and then pre-cut into a shape and size corresponding to the remaining area. Other manufacturing method with a fabric reinforcement sheet, characterized in that attaching the brace with an adhesive resin.
The method of claim 12 or 13,
The attachment guide display is characterized in that to form the attachment region of the brace by a cutting tool, other manufacturing method having a fabric reinforced sheet.
The method of claim 9,
After attaching the fabric reinforcement sheet to the inner surface of the upper plate or the lower plate with the adhesive member, forming a brace attachment guide mark on the surface of the fabric reinforcement sheet by printing or laser engraving, and then attaching the brace with an adhesive resin. Characterized in that, other manufacturing method provided with a fabric reinforced sheet.
The method of claim 9,
Forming a plurality of side plate reinforcement sheet adhesive portions on the inner surface of the side plate except for an edge assembly region formed with a predetermined width along an outer circumferential edge of the side plate and a region where the end of the brace is attached to interfere with each other;
Cutting and cutting a fabric side plate reinforcing sheet made of a fibrous structure having a thickness of 0.1mm to less than 0.5mm according to a drafted value in the same dimension as the shape and size of the side plate reinforcement sheet adhesive portion; And
Forming an adhesive member with a thickness of less than 0.5mm to correspond to the back surface of the cut-and-cut fabric side plate reinforcement sheet or the surface area of the side plate reinforcement sheet adhesive portion; characterized in that it further comprises, other manufacturing method having a fabric reinforcement sheet .
The method of claim 9,
The fabric reinforcement sheet is selectively attached to the top, bottom, and side panels of wood in response to the structure of the top, bottom, side and brace made of a specific other wood material, and the brace is the same as the configuration of the existing specific other brace The fabric reinforcement sheet, characterized in that it further comprises the step of comparing the sustain wavelength value extracted from the acoustic data of the guitar to which the fabric reinforcement sheet is attached and the sustain wavelength value extracted from the existing acoustic data of the specific guitar. Other manufacturing methods equipped.

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