JP2581433Y2 - Speaker net - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speaker net used for covering a speaker body for decoration or dust protection in front of the speaker body.

Conventional speaker nets are, for example ,
As described in JP-A-49-23855, it is used by being superposed and supported on the front plate of a cabinet to which a speaker is attached and held, and attached with a double-sided adhesive, or as shown in Japanese Utility Model Laid-Open No. 50-561. A mesh-like adhesive sheet provided for use by adhering to the front of a cabinet, or a nonwoven fabric, cloth, or paper having good sound permeability in a net having a large number of small holes as shown in Japanese Utility Model Application Laid-Open No. 51-19823. When attaching and mounting a speaker net in front of the speaker, a flat cabinet front plate with sound holes for transmitting sound is used. The speaker net is overlapped and mounted on the front side (the rear side of the speaker is mounted and supported in alignment with the sound hole) so as to cover the sound hole.

[0003]

[Problems to be solved by the invention]
The material, shape, size, and color of the exterior frame that protects the outside of the speakers (sound generators) installed in audio home appliances such as TVs and other audio products, and the speaker nets that cover the front of the speakers In the conventional speaker net, the flat front plate is used as a support, and the front of the speaker is simply covered flat. There is a need for a speaker net that can produce a three-dimensional appearance that is not simply planar but adaptable. The present invention provides a speaker net that can meet this demand.

[0004]

According to the present invention, there is provided a speaker in which a translucent or opaque adhesive material layer 2 is laminated on a part of a coarse mesh fabric layer 1 such as a knitted mesh fabric having good sound permeability. Wherein the coarse mesh fabric layer 1 and / or the adhesive layer 2 have bending elasticity , and
The pressure-sensitive adhesive layer 2 is colored in a light absorbing or light color tone
Is a speaker for the net, characterized in that that.

[0005] The present invention also provides a speaker network of the above invention.
In one embodiment, one side of the coarse mesh fabric layer 1
Is a speaker net provided with elasticity-imparting layers 6 on both sides .

The present invention also provides a speaker network of the above invention.
In Tsu bets, the crude shaped mesh fabric layer 1 of the surface,
This is a speaker net on which a gauze-like fine mesh fabric layer 5 is laminated .

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to embodiments.
FIG. 1A is a side sectional view of a speaker net illustrating one embodiment of the present invention, and a translucent to opaque adhesive material layer is provided on one side of a coarse mesh fabric layer 1 having good sound permeability. For example, the non-colored or appropriately colored adhesive layer 2 is laminated and fixed on both sides of one surface of the coarse mesh fabric 1 which is not colored or appropriately colored by its adhesive force. Things.

The above coarse mesh fabric layer 1 or adhesive layer 2
Either one of them, or both the coarse mesh fabric layer 1 and the pressure-sensitive adhesive layer 2 have an appropriate bending elasticity and can be bent and deformed.

As the coarse mesh fabric layer 1, a knitted mesh having coarse stitches, a woven fabric mesh formed by warp and weft, paper, or a punching mesh plate in which various synthetic resin sheets are perforated with small holes are used. The mesh preferably has a pitch of about 0.5 mm to 1.8 mm and a thickness of about 0.15 mm to 0.5 mm.

[0010] The coarse mesh fabric layer 1 has a good sound-transmitting property for sound, and may have an appropriate 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, polyvinyl chloride, or the like. Vinyl-vinyl acetate copolymer, polyethylene, polyethylene terephthalate, acrylic, polycarbonate, thermoplastic resin such as polystyrene, melamine,
Punching mesh sheet with many small holes perforated in thermosetting resin such as urea, fluorine, urethane or synthetic resin non-woven fabric, etc., or etched mesh sheet, natural animal and plant fiber, paper fiber A knitted (mesh) -shaped mesh fabric in which synthetic resin fibers are appropriately knitted into a shape pattern, a mesh woven fabric using warp and weft, and the like are used as they are, and depending on the material such as the hardness of the material. A flexural elasticity with a restoring force is imparted by using a flexural elasticity with a restoring force or by applying a synthetic resin liquid having a hard material to these materials.

An anchor resin can be applied to one or both surfaces of the coarse mesh fabric layer 1 so that the adhesive layer 2 adheres favorably to the coarse mesh fabric layer 1. or,
In order to impart bending elasticity to the coarse mesh fabric layer 1, a synthetic resin liquid having appropriate hardness may be applied (coating, dipping, spraying).

The place where the adhesive material layer 2 is laminated on the coarse mesh fabric 1 is desirably laminated at a position convenient for attachment as a speaker net to a speaker main body, a speaker support frame, a speaker exterior frame, or the like. However, it is not always necessary to be on both sides of the cloth 1. For example, the pressure-sensitive adhesive layer 2 can be appropriately patterned and laminated and fixed to the surface of the coarse mesh cloth 1.

In the speaker net of the present invention,
The translucent to opaque adhesive layer 2 is light-absorbing or light-colored
It is colored tones. However, in this case, the color tone of the coarse mesh fabric layer 1 is colored in the same color tone as the pressure-sensitive adhesive layer 2 in the embodiment, but is not necessarily limited in the present invention.

The adhesive layer 2 is made translucent or opaque by using a rubber-based material obtained by using a nonwoven fabric, a natural fiber material, a synthetic fiber material, or the like with a tackifier such as a natural rubber, styrene-butadiene rubber, or a polyterpene resin. Pressure-sensitive adhesive, a pressure-sensitive adhesive impregnated with an acrylic pressure-sensitive adhesive using a copolymer of butyl acrylate and acrylic acid or the like can be used. In the above, a light diffusing agent (kaolin, calcium carbonate, etc.) is mixed in a trace amount (for example, about 3% to 5%) to make it semi-transparent,
Alternatively, it is made opaque by mixing 10% to 30% or more of a light diffusing agent, titanium white or the like.

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

The speaker net according to the present invention may be formed by laminating a translucent or opaque adhesive layer 2 which is colored by using titanium white, a bright colorant or the like as a coloring agent.

A release sheet (release paper) can be temporarily attached to the surface of the pressure-sensitive adhesive layer 2 as appropriate. Examples of the release sheet include paper or synthetic resin sheets, silicone resin, polyamide resin, and the like. Is provided by applying a release layer.

In the speaker net of the present invention shown in FIG. 1A, the area where the adhesive material layer 2 is not laminated is the sound-permeable area 3 which transmits the original good sound of the coarse mesh cloth 1, and The sound-transmitting region 3 has an appropriate light-transmitting property such that the speaker body disposed inside thereof can be seen from the front side of the speaker net or is slightly seen depending on the amount of light emitted to the speaker body. May be
Alternatively, the film may have a completely concealing property.

FIG. 1B is a development example of the speaker net of the present invention in the above-described one embodiment and another embodiment, and a synthetic resin film 4 is provided on one side of the coarse mesh cloth 1.
And the adhesive layer 2a is applied to the synthetic resin film 4. The synthetic resin film 4 and the adhesive layer 2a
Thus, the translucent to opaque adhesive layer 2 is formed. 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 as appropriate.

In FIG. 1B, the translucent to opaque pressure-sensitive adhesive layer 2 comprises a synthetic resin film 4 and / or a pressure-sensitive adhesive layer 2.
By mixing any of a light diffusing agent, a coloring agent (pigment, dye) and an opacifying agent (titanium white or the like) into a in an appropriate mixing ratio, the liquid crystal becomes translucent 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, and polystyrene; and melamine, urea, fluorine, urethane and the like. Curable resin or the like can be used;
Is attached to the coarse mesh fabric layer 1 by wet lamination or dry lamination via heat and pressure or an adhesive, and then the adhesive layer 2a is applied to the surface of the synthetic resin film 4 to form the adhesive layer 2 The synthetic resin film 4 to be formed or to which the pressure-sensitive adhesive layer 2a is applied in advance is adhered to the coarse mesh fabric layer 1 by heating and pressing, wet lamination or dry lamination.

FIG. 2A shows another embodiment of the speaker net according to the present invention, in which a coarse mesh fabric layer 1 having an adhesive material layer 2 partially laminated on the back surface has a gauze-like fine mesh. The fabrics 5 are overlapped, and the inner surface of the overlaps is entirely or partially adhered via an adhesive (not shown).

The gauze-like fine mesh fabric 5 is made of warp and weft (for example, having a thickness of 0.03 mm to 0.1 mm) made of natural fibers and synthetic fibers.
mm), and the fineness of the mesh is preferably about 0.03 mm to 0.2 mm with a mesh 1 pitch width, but is smaller than the mesh of the coarse mesh fabric layer 1. It is not particularly limited as long as it is fine, and the gauze-like fine mesh fabric 5 has a good sound-transmitting property and, if necessary, has a translucent state with a light-transmitting property. Is also good.

FIG. 2 (b) is a development example of the speaker net of the present invention in the above-mentioned other embodiment, and shows one side of the coarse mesh cloth 1 on which a gauze-like fine mesh cloth layer 5 is laminated and adhered. A synthetic resin film 4 is adhered to the
The synthetic resin film 4 is coated with an adhesive layer 2a. The synthetic resin film 4 and the adhesive layer 2a constitute a translucent or opaque 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 as appropriate.

FIG. 3 (a) shows another embodiment of the speaker net according to the present invention, in which the hardness of the coarse mesh fabric layer 1 is measured from both the front and back sides so as to impart the bending elasticity of the fabric layer 1. The elastic resin layer 6 is provided by applying a synthetic resin liquid having dipping, roller coating, and spray coating, and the fine mesh fabric layer 5 is provided on the front side through the elasticity providing layer 6, and the translucent to opaque adhesive is provided on the back side. The material layer 2 is laminated and adhered.

FIG. 3B shows another embodiment of the speaker net according to the present invention. As the adhesive layer 2 shown in FIG. 3A, a synthetic resin film 4 and an adhesive layer 2a are used. It is provided.

Next, an example of a method of mounting the speaker net of the present invention will be described below. FIG. 4 shows a cathode ray tube B provided at the center of the front surface and speakers S at the left and right corners.
FIG. 1 is a general perspective view showing a state in which a speaker net N of the present invention is covered on the front surface of a sound hole 10, and is provided on a corner at the left and right end portions of the cabinet C and on the outside. Curve convexly for speaker net N
Is attached.

FIG. 5 is a sectional view taken along the line LL of FIG.
Side holding portions 11 are respectively provided inside the left and right front plates 14 and 14 near the sound holes 10 and 10 provided in the left and right corners of the plastic or wooden cabinet C so as to face each other. Is the CRT B
One end of the side is integrally supported inside the front plate 14,
The other end of the side holding plate 11 has an opening with the front plate 14.

The left and right side plates 1 near the sound holes 10, 10
Side holding portions 12 are provided on the inside of the side supporting members 5 and 15 so that one end on the rear side of the cabinet is integrally supported on the inside of the side plate 15. The other end has an opening between itself and the side plate 15.

Further, a lower holding portion 13 protruding in the horizontal direction is integrally provided on the inner surface of the cabinet C near the lower portion of the sound holes 10, 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 and held in a U-shape by hand. 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. Are bonded and fixed to the side holding portions 11 and 12 respectively.

Further, the speaker net N of the present invention is obtained by peeling off the release paper on the back surface, temporarily adhering it to the cabinet C (or the speaker main body side) by the adhesive layer 2, and then pressing it with a pressing roller or the like. Then, thermocompression bonding may be performed by a hot press using a mold. The method of mounting the speaker net N of the present invention is not limited to the above method.

[0034]

According to the speaker net of the present invention, a translucent or opaque adhesive material layer 2 is appropriately laminated on a part of a coarse mesh fabric layer 1 such as a knitted mesh fabric having good sound permeability. And, since the net main body is a speaker net having an appropriate bending elasticity, a speaker main body mounted on a corner or a side of a front or a front end of an audio audio device such as a stereo or a television, or
The adhesive layer 2 provided on the net N main body can be easily attached and fixed to the exterior frame on the speaker main body storage cabinet side in which the sound holes for speaker sound transmission are formed.

The speaker net of the present invention is particularly effective when covering the corners forming the speaker sound holes forming the front corners of the cabinet of the audio equipment, and possesses the speaker net. A curved surface having an appropriate curvature in accordance with the degree of bending elasticity can be obtained, and by appropriately adjusting the hardness of the speaker net, a reliable holding force of the curved surface and a resistance to deformation against external force can be set.

Also, since the speaker net is made of a natural fiber, a synthetic resin fiber knit, or a suede-like woven fabric without using metal, the net surface appearance can be made relatively soft at a relatively low cost. It is possible to finish with a natural texture.

Depending on the combination of the color tone of the coarse mesh fabric layer 1 and the pressure-sensitive adhesive layer 2 and the color tone combination of the coarse mesh fabric layer 1 and the fine mesh fabric layer 5 to be superimposed on the front side, a monotone, Various colors in double tone or multitone can be developed, and by coloring the translucent to opaque adhesive layer 2 to a light absorbing color or a light color ,
The presence of the adhesive layer on the back of the speaker for the net, its
Can be made invisible according to the color of the net ,
In addition, by superposing and adhering the gauze-like fine mesh cloth 5 on the surface of the coarse mesh cloth layer 1, it is possible to finish the appearance with a delicate texture.

[0038]

[Effects of the Invention] The speaker net of the present invention covers an exterior frame for protecting the outside of a speaker (sound generator) provided in acoustic home appliances such as radios, televisions and other audio products in recent years, and covers the front of the speaker. Speaker nets that are not only provided with decoration and dust-proofing function, but also simply cover the speaker front flat with a flat front plate as a support in conventional speaker nets. However, according to the present invention, it is possible to produce a solid appearance of the main body of the acoustic home appliance or a curved appearance having a three-dimensional appearance adapted to a smart appearance, so that mounting and replacement are easy and comparison is possible. It is of practical value as an inexpensive speaker net.

[Brief description of the drawings]

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

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

FIG. 3 (a) is a side sectional view illustrating another embodiment of the speaker net of the present invention. (B) It is a sectional side view explaining other embodiments 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 the audio equipment.

FIG. 5 is an LL sectional view illustrating a state where the speaker net of the present invention is attached to a sound hole portion of a cabinet of the audio equipment.

[Explanation of symbols]

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

Claims (3)

(57) [Scope of request for utility model registration] 1. A knitted mesh cloth having good sound permeability.
Semi-transparent to opaque parts of the coarse mesh fabric layer 1 such as
Speaker net with a clear adhesive layer 2
The coarse mesh fabric layer 1 and / or the adhesive layer 2
It has bending elasticity, and the pressure-sensitive adhesive layer 2 has a light absorbing property or
Speech characterized by being colored in light tones
Car net. 2. One side of the coarse mesh fabric layer 1 or
2. The elasticity-imparting layer 6 is provided on both sides.
On-board speaker net. 3. A gauze on the surface of the coarse mesh fabric layer 1.
The fine-mesh fabric layer 5 is laminated.
The speaker net according to claim 2.