JPH0576733U - Speaker net - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a net for a speaker capable of producing a three-dimensional appearance rather than a planar appearance that adapts to the appearance of an acoustic home appliance. A net for a speaker in which a semi-transparent or opaque adhesive material layer 2 is laminated on a part of a rough mesh cloth layer 1 such as a knit mesh cloth having good sound permeability, wherein the rough mesh The cloth 1 or / and the adhesive layer 2 has bending elasticity, and is a speaker net.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a speaker net which is used by covering the front of a speaker body for decoration or dust prevention.

[0002]

[Prior Art]

 Conventional speaker nets are, for example, those described in Japanese Patent Publication No. Sho 49-23855, which are used by being superposed and supported on the front plate of the cabinet for mounting and holding the speakers, and then being adhered by adhesive on both sides, or in actual use. A mesh-like adhesive sheet having adhesiveness as shown in Sho 50-1561, which is used by adhering to the front surface of a cabinet, or a net having a large number of small holes as shown in Japanese Utility Model Laid-Open No. 51-19823. There is a non-woven fabric, cloth, paper, etc. that has good sound permeability and is used by adhering an adhesive sheet.When the speaker net is installed in front of the speaker, the sound for transmitting the sound is transmitted. On the front side of the flat cabinet front plate with holes (on the back side, the speaker is attached and supported in alignment with the sound hole), the speaker is covered so that the sound hole is covered. It is attached by overlapping use net.

[0003]

[Problems to be solved by the device]

 In recent years, the exterior frame that protects the outside of the speaker (sound generator) that is installed in acoustic home appliances such as radios, televisions, and other audio products, and the speaker net that covers the front of the speaker are Designs including size and color tone are diversifying, and in conventional speaker nets, a flat front plate is used as a support to simply cover the front of the speaker. There is a demand for speaker nets that can produce a three-dimensional appearance rather than a flat appearance that matches the appearance of the product body. The present invention provides a speaker net that can meet this demand.

[0004]

[Means for Solving the Problems]

 The present invention is a speaker net in which a semi-transparent or opaque adhesive layer 2 is laminated on a part of a coarse mesh cloth layer 1 such as a knit mesh cloth having a good sound transmission property. The mesh fabric layer 1 and / or the adhesive layer 2 is a speaker net characterized by having bending elasticity.

Further, the present invention is a speaker net, wherein the semitransparent to opaque adhesive layer 2 is colored in a light absorbing color tone.

Further, the present invention is a speaker net characterized in that a gauze-shaped fine mesh cloth 5 is laminated on the surface of the coarse mesh cloth layer 1.

[0007]

【Example】

 The present invention will be described in detail according to examples. FIG. 1 (a) is a side sectional view of a speaker net for explaining an embodiment of the present invention, in which a semi-transparent or opaque adhesive material layer is provided on one surface of a rough mesh fabric layer 1 having good sound permeability. 2 is laminated. For example, an uncolored or appropriately colored adhesive material layer 2 is laminated and fixed on both sides of one side of a rough mesh fabric 1 which is uncolored or appropriately colored by its adhesive strength. It is a thing.

Either the rough mesh cloth layer 1 or the adhesive material layer 2, or both the rough mesh cloth layer 1 and the adhesive material layer 2 have appropriate bending elasticity and can be bent and deformed. is there.

The coarse mesh fabric layer 1 is made of a knit mesh having coarse stitches, a woven mesh made of warp or weft, paper, a punching mesh plate having various small holes in synthetic resin sheets. The one pitch width of the mesh used is preferably about 0.5 mm to 1.8 mm, and the thickness is, for example, about 0.15 mm to 0.5 mm.

Further, the rough mesh fabric layer 1 has a good sound-transmitting property for sound, and may have a proper light-transmitting property.

The coarse mesh fabric layer 1 can be easily bent and deformed by hand, and the material of the coarse mesh fabric layer 1 having bending elasticity is made of paperboard, polyvinyl chloride, polypropylene. Comparison of thermoplastic resin such as vinyl chloride-vinyl acetate copolymer, polyethylene, polyethylene terephthalate, acrylic, polycarbonate, polystyrene, thermosetting resin such as melamine, urea, fluorine, urethane, or synthetic resin non-woven fabric A punching mesh sheet with a large number of small holes in a thin sheet, or an etching mesh sheet, or a knit (knit) shape in which fibers of natural animals and plants, fibers of paper, or fibers of synthetic resin are knitted in an appropriate shape pattern. Mesh cloth, mesh woven cloth using warp and weft threads, etc. are used. By using which material the resilient elasticity of bending is used or by applying a synthetic resin liquid having a hard material to these materials, the elastic bending with elasticity is given. ..

Further, an anchor resin may be appropriately applied to one surface or both surfaces of the rough mesh fabric layer 1 so that the pressure-sensitive adhesive layer 2 can be well bonded to the rough mesh fabric layer 1. Further, in order to impart bending elasticity to the coarse mesh fabric layer 1, a synthetic resin liquid having an appropriate hardness may be applied (coating, dipping, spray application).

The location where the adhesive material layer 2 is laminated on the coarse mesh fabric 1 may be laminated at a position convenient for mounting as a speaker net on the speaker body, the speaker support frame, or the speaker exterior frame. It is desirable, but not necessarily on both sides of the cloth 1. For example, the adhesive layer 2 can be appropriately patterned and laminated and fixed on the surface of the coarse mesh cloth 1.

Another embodiment of the speaker net of the present invention is as described below. That is, the translucent or opaque pressure-sensitive adhesive layer 2 is colored in a light absorbing color tone. However, the color tone of the coarse mesh fabric layer 1 in that case is colored in the same color tone as the pressure-sensitive adhesive layer 2 as an example, but the color tone is not necessarily limited in the present invention.

The translucency or opacity of the pressure-sensitive adhesive layer 2 is obtained by using a non-woven fabric, a natural fiber material, a synthetic fiber material, or the like, with a rubber-based feel using a tackifier such as natural rubber or styrene-butadiene rubber and polyterpene resin. Pressure-sensitive adhesives, pressure-sensitive adhesives impregnated with an acrylic pressure-sensitive adhesive using a copolymer of butyl acrylate and acrylic acid, etc. can be used. In terms of the ratio, it becomes semi-transparent by mixing a small amount (for example, 3% to 5%) of a light diffusing agent (kaolin, calcium carbonate, etc.), or 10% to 30% or more of a light diffusing agent, titanium white or the like. It becomes opaque when mixed.

In order to color the pressure-sensitive adhesive layer 2 in a light-absorbing color tone, a colorant (pigment or dye) having a dark color tone such as black, dark blue, dark red or dark green tone is mixed in the pressure-sensitive adhesive. By doing.

In addition to the above, the speaker net of the present invention may be a laminate of a translucent or opaque adhesive material layer 2 colored using titanium white as a coloring agent, a light-colored coloring agent, or the like. ..

A release sheet (release paper) can be appropriately temporarily attached to the surface of the pressure-sensitive adhesive layer 2, and the release sheet may be paper or a synthetic resin sheet and a silicone resin or a polyamide resin. It is provided by applying a release layer such as.

In the speaker net of the present invention of FIG. 1 (a), a region where the adhesive layer 2 is not laminated is a sound transmissive region 3 through which the original good sound of the rough mesh fabric 1 is transmitted, and The sound transmissive region 3 has an appropriate light transmissive property such that the speaker body placed inside thereof can be seen from the front side of the speaker net or slightly depending on the amount of light emitted to the speaker body. It may be provided, or may have a concealing property that is completely concealed.

FIG. 1B is a development example of the speaker net of the present invention in the above-described one embodiment and another embodiment. A synthetic resin film 4 is attached to one surface of the rough mesh cloth 1. The synthetic resin film 4 is coated with a pressure-sensitive adhesive layer 2a, and the synthetic resin film 4 and the pressure-sensitive adhesive layer 2a constitute a semitransparent or opaque pressure-sensitive adhesive layer 2. A release sheet (release paper) can be temporarily attached to the surface of the pressure-sensitive adhesive layer 2a of the pressure-sensitive adhesive layer 2.

The semitransparent or opaque pressure-sensitive adhesive layer 2 in FIG. 1B is added to the synthetic resin film 4 or / and the pressure-sensitive adhesive layer 2a at an appropriate compounding ratio in a light diffusing agent, a colorant (a pigment, a dye). ) And an opaque agent (titanium white, etc.) are mixed to make the material semitransparent or opaque.

Examples of the synthetic resin film 4 include thermoplastic resins such as polyvinyl chloride, polyvinyl chloride-vinyl acetate copolymer, polyethylene, polyethylene terephthalate, acryl, polycarbonate, polystyrene, and melamine, urea, fluorine, urethane, and the like. A curable resin or the like can be used, and the synthetic resin film 4 is attached to the coarse mesh fabric layer 1 by heat lamination or wet lamination or dry lamination through an adhesive, and then an adhesive layer. The adhesive layer 2 is formed by applying 2a onto the surface of the synthetic resin film 4, or the synthetic resin film 4 on which the adhesive layer 2a has been applied beforehand is applied to the coarse mesh fabric layer 1 by heating and pressing. Attached by wet lamination or dry lamination To do.

FIG. 2A shows another embodiment of the speaker net of the present invention, in which a mesh-like fine mesh is formed on the surface of the coarse mesh cloth layer 1 in which the adhesive material layer 2 is partially laminated on the back surface. The fabric 5 is superposed and the inner surface of the superposed fabric 5 is wholly or partially adhered via an adhesive (not shown).

The gauze-like fine mesh fabric 5 is a fine woven fabric using warp and weft yarns (for example, a thickness of about 0.03 mm to 0.1 mm) made of natural fibers and synthetic fibers, and the fineness thereof is the mesh 1. A pitch width of about 0.03 mm to 0.2 mm is suitable, but it is not particularly limited as long as it is finer than the mesh of the coarse mesh fabric layer 1. The gauze-like fine mesh fabric 5 Has a good sound-transmitting property, and may have a translucent semi-transparent state if necessary.

FIG. 2 (b) is an example of the development of the speaker net of the present invention in the above-mentioned other examples, in which the coarse mesh fabric 1 having the mesh-shaped fine mesh fabric layer 5 stuck on the surface thereof is stuck. A synthetic resin film 4 is adhered to one side of the above, and the adhesive layer 2a is applied to the synthetic resin film 4. The synthetic resin film 4 and the adhesive layer 2a form a semitransparent or opaque adhesive. The material layer 2 is configured. A release sheet (release paper) can be temporarily attached to the surface of the pressure-sensitive adhesive layer 2a of the pressure-sensitive adhesive layer 2.

FIG. 3 (a) shows another embodiment of the speaker net of the present invention. In order to impart bending elasticity of the rough mesh fabric layer 1 from both the front and back sides, A synthetic resin solution having hardness is applied by dipping, roller coating, or spray coating to provide an elasticity imparting layer 6, and a fine mesh fabric layer 5 is provided on the front side through the elasticity imparting layer 6 and semitransparent on the back side. To an opaque adhesive material layer 2 which is laminated and adhered.

FIG. 3 (b) shows another embodiment of the speaker net of the present invention, in which the synthetic resin film 4 and the adhesive layer 2a are used as the adhesive layer 2 shown in FIG. 3 (a). It was set up.

Next, an example of a mounting method of the speaker net of the present invention will be described below. FIG. 4 shows a television cabinet C having a cathode ray tube B in the center of the front surface and sound holes 10 of the speaker S at the left and right corners, and the front surface of the sound hole 10 is covered with the speaker net N of the present invention. FIG. 3 is an overall perspective view showing a state, in which the speaker net N is attached to the corners of the left and right ends of the cabinet C so as to be convexly curved outward.

FIG. 5 is a cross-sectional view taken along the line L-L of FIG. 4, and shows the left and right front plates 14 near the sound holes 10 and 10, which are provided at the right and left corners of the plastic or wooden cabinet C, respectively. 14 side-holding portions 11 are provided so as to be spaced apart and face each other inside 14 and one end portion of the side holding plate 11 on the cathode ray tube B side is integrally supported inside the front plate 14 and the other end of the side holding plate 11 is provided. The section has an opening between itself and the front plate 14.

Further, side holding parts 12 are provided inside the left and right side surface plates 15, 15 in the vicinity of the sound holes 10, 10 so as to be spaced apart and opposed to each other. The side support portion 12 is integrally supported inside the face plate 15, and the other end portion of the side support portion 12 has an opening portion between the side support plate 15 and the side face plate 15.

Further, a lower holding portion 13 protruding horizontally is integrally provided on the inner surface of the cabinet C near the lower portions of the sound holes 10 and 10.

Next, when the speaker net N of the present invention having appropriate bending elasticity is attached to the cabinet C, the speaker net N is bent into a U-shape by hand and held by bending. , Both ends in the bending direction of the net N are inserted into the side holding portions 11 and 12 from the outside, and the lower end portion of the net N is held from below by the lower holding portion 13. The layer 2 is used to adhere and fix the side holding portions 11 and 12 respectively.

In the speaker net N of the present invention, the release paper on the back side is peeled off, and the adhesive layer 2 is used to temporarily attach it to the cabinet C (or the speaker body side) and then pressure-bond it with a pressing roller or the like. Then, it is also possible to perform thermocompression bonding with a hot press using a mold. The mounting method of the speaker net N of the present invention is not limited to the above method.

[0034]

[Action]

 The speaker net of the present invention has a semi-transparent or opaque adhesive layer 2 laminated in a suitable pattern on a part of a coarse mesh cloth layer 1 such as a knit mesh cloth having good sound permeability, and Since the net body is a speaker net with appropriate bending elasticity, it can be mounted on the corners or sides of the front or front end of audio / audio equipment such as stereos and TVs, or the speaker. The adhesive layer 2 provided on the net N main body can be easily attached and fixed to the exterior frame on the cabinet side for housing the speaker main body in which a sound hole for sound transmission is formed.

The speaker net of the present invention is particularly effective when covering the corners that form the speaker sound holes that form the corners of the cabinet of the audio device. A curved surface with an appropriate curvature can be obtained according to the degree of bending elasticity possessed, and by properly adjusting the hardness of the speaker net, it is possible to set a reliable holding force for the curved surface and a deformation resistance against external force.

Further, since the speaker net is not made of metal and is made of natural fiber, synthetic resin fiber knit, or suede-like woven fabric, the net surface appearance is soft at a relatively low cost. It becomes possible to finish it in a nice texture.

Further, depending on the color tone combination of the coarse mesh fabric layer 1 and the pressure-sensitive adhesive layer 2, or the color tone combination of the coarse mesh fabric layer 1 and the fine mesh fabric layer 5 superposed on the front side thereof, Various color tones can be developed in monotone, duotone, or multitone, and the semi-transparent or opaque adhesive layer 2 is colored in a light-absorbing color to allow it to be attached to the back side of the speaker net. The presence of a certain pressure-sensitive adhesive layer can be made invisible, and the appearance of a delicate texture can be achieved by overlaying and pasting the gauze-like fine mesh cloth 5 on the surface of the coarse mesh cloth layer 1. You can

[0038]

[Effect of the device]

 The speaker net of the present invention is used to cover the front of the speaker and the outer frame that protects the outside of the speaker (sound generator) installed in audio home appliances such as radios, televisions, and other audio products in recent years. A suitable speaker net, which not only has decoration and dustproof function, but also has a flat front plate as a support in a conventional speaker net, and simply covers the speaker front face flatly. However, according to the present invention, it is possible to bring about a solid appearance and a curved appearance with a three-dimensional appearance that adapts to the prominent appearance or the smart appearance of the acoustic home appliance, and it is easy to install and replace. It is of practical value as a relatively inexpensive speaker net.

[Brief description of drawings]

FIG. 1A is a side sectional view of an embodiment of a speaker net of the present invention. (B) It is a sectional side view explaining the other example of the adhesive material layer in one Example of the speaker net of this invention.

FIG. 2 (a) is a side sectional view for explaining another embodiment of the speaker net of the present invention. (B) It is a sectional side view explaining the other Example of the speaker net of this invention.

FIG. 3 (a) is a side sectional view for explaining another embodiment of the speaker net of the present invention. (B) It is a side sectional view explaining other examples of the speaker net of the present invention.

FIG. 4 is a perspective view illustrating a state in which the speaker net of the present invention is attached to a sound hole portion of a cabinet of an audio device.

FIG. 5 is an L-L cross-sectional view illustrating a state in which the speaker net of the present invention is attached to the sound hole portion of the cabinet of the audio device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Coarse mesh cloth layer 1a ... Fabric part 1b ... Void part 2 ... Translucent or opaque adhesive material layer 2a ... Adhesive agent layer 3
Sound-transmitting portion 4 Synthetic resin film 5 Fine mesh fabric layer 5a Fabric portion 5b Void portion 6 Bending elasticity imparting layer 10 Sound holes 11, 12 Side holding portion 13 Lower holding portion 14
Front plate 15 ... Side plate B ... CRT C ... Cabinet N ... Speaker net S ... Speaker

Claims (3)

[Scope of utility model registration request] 1. A speaker net in which a semi-transparent or opaque adhesive layer 2 is laminated on a part of a coarse mesh cloth layer 1 such as a knit mesh cloth having good sound transmission property, wherein Mesh fabric layer 1 and / or adhesive layer 2
Is a speaker net characterized by bending elasticity. 2. A net for a speaker, wherein the semitransparent to opaque adhesive layer 2 is colored in a light absorbing color tone. 3. A net for a speaker, characterized in that a gauze-shaped fine mesh fabric layer 5 is laminated on the surface of the coarse mesh fabric layer 1.