KR20030096696A - Phosphorescent nose-pad for eyeglasses and method for manufacturing the same - Google Patents

Abstract

PURPOSE: A luminous nose pad for spectacles and a fabricating method thereof are provided to identify easily the spectacles in the night by adding a luminous material to the nose pad. CONSTITUTION: A luminous nose pad for spectacles includes a couple of nose pads(10). The nose pads(10) are combined with a bracket. The bracket is combined with one side of a spectacles frame into which lenses are inserted. The nose pad(10) and a connection portion(15) are formed with one body. The nose pads(10) includes a luminous material to generate the light in the night. An open groove of the connection portion(15) of the node pad(10) is combined with a projection of the bracket. A method for fabricating the luminous nose pad for spectacles includes a mixing process, an air removal process, a stirring process, and a molding process. The mixing process is to mix a liquefied silicon material of 90-95 weight percent with the luminous material of 5-10 weight percent. The air removal process is to remove the air of the liquefied silicon material. The stirring process is to stir the mixture of the liquefied silicon material and the luminous material. The molding process is to inject the mixture into a mold and separated the luminous nose pad from the mold.

Description

Luminous nose rest for eyeglasses and method for manufacturing the same {Phosphorescent nose-pad for eyeglasses and method for manufacturing the same}

The present invention relates to a spectacle nose support, and more particularly, to a spectacle luminous nose rest for eyeglasses and a method of manufacturing the same, which not only enhances the merchandise as a high value-added eyeglass product but also provides functionality so that it is easy to find at night.

In general, the nose support of the glasses is molded through the process of defoaming and melting the silicone liquid and visually confirming that the mouth ball is blocked when the silicone liquid is injected, depending on the manual operation of a skilled worker. In some cases, some processes can be automated to improve productivity while reducing defects to stabilize quality.

However, in high value-added products such as eyeglasses where the ratio of finished product prices to cost is relatively high, productability tends to be more important than productivity. In other words, glasses are fashioned like clothing, and various colors and functions are given. As such, glasses continue to use advanced techniques such as three-dimensional discoloration, fluorescence, luminous, luminous, and fragrance as well as planar harmony of various colors.

However, photoluminescence is a phenomenon that absorbs and accumulates light from the sun or a light emitting body and emits light by releasing light slowly in a dark place. Widely used. Phosphorescent pigments are based on safety that emits no heavy metals such as cadmium, lead, mercury, and chromium, and the higher the amount of incorporation, the higher the brightness, but the content should be determined in consideration of usage, cost, and other conditions. It must be done closely. Even if the photoluminescent material is used for the part of the glasses, etc., if the mixing rate or manufacturing method is not efficient, the effect of the photoluminescence does not last long. Especially, if the photoluminescent material is used in the place such as the eyeglass nose support, it is necessary to go through the careful manufacturing process. It can overcome the disadvantage that can be used only once or several times.

Accordingly, the present invention has been made in view of the above-mentioned point, and the object of the present invention is to provide a luminous nose support for glasses and a method of manufacturing the same, which not only increases the merchandise as an eyeglass product but also provides functionality so that it is easy to find at night. It is done.

1 is a schematic diagram showing a molding completion state of the nose support according to the present invention,

2 is a configuration diagram shown from the front of FIG. 1;

3 is a block diagram sequentially showing a manufacturing method according to the present invention;

4 is a perspective view showing a state of use of the nose support according to a modification of the present invention.

Explanation of symbols on the main parts of the drawings

10, 20: nose rest 15, 25: connector

21: frame 22: bracket

23: Kodari

In one aspect of the present invention, in order to achieve this object, in the eyeglasses having a nose support 10, 20 via a bracket on one side of the frame containing the lens,

The nose support 10, 20 is molded integrally with the connector (15, 25) is detachable to the bracket, it is proposed for the luminous nose support for glasses characterized in that it contains a photoluminescent material to emit light at night.

As an example of the present invention, the connector 15 of the nose support 10 is molded of a hard resin compared to other parts.

As a modification of the present invention, the connector 25 of the nose support 20 is provided with a groove 25a of which one side is opened in a C-shape to elastically detach and attach to the step (22a) formed on the bracket 22 do.

As another aspect of this invention. Mixing step (S10) of mixing the liquid silicon material 90 ~ 95wt% and powdery photoluminescent material 5 ~ 10wt%; Degassing step (S20) for removing the air of silicon in a vacuum state; Stirring step (S30) at least every 30 minutes so that the phosphorescent material powder does not precipitate; And a molding step (S40) of injecting a liquid raw material into a mold and releasing the mold after about 30 seconds has been proposed.

The body color of the phosphorescent pigment is pale yellow or yellowish green and emits yellowish green in the wavelength range of 530 nm which is most brightly recognized by the human eye at night. Color photoluminescent pigments such as blue, red, green, yellow, orange and pink, which are prepared by adding or coloring special colorants, are also commercially available. Color photoluminescent pigments emit light with a color almost close to the body color, but the visibility is lowered.

Such photoluminescent pigments can be blended and molded into most synthetic resins, but transparent resins are more advantageous in terms of luminescence. Phosphorescent pigments have a specific gravity of 4.1 to 25 µm and are molded into pellets or master batches in conventional products. A master batch is a coloring material which disperse | distributed the pigment to resin in high concentration, and is mainly used for polyvinyl chloride, polyethylene, and polystyrene.

However, it is difficult to apply pellets or master batches in molding in which the photoluminescent material is mixed with a product using a silicone resin such as the nose support of glasses. Inadequate mixing of the phosphorescent material increases the possibility of blackening due to the combined action of humidity, temperature, ultraviolet light, etc., regardless of light treatment. This is also one of the most concerned parts of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic diagram showing a molding completion state of the nose support according to the present invention, Figure 2 is a block diagram showing in front of Figure 1, Figure 3 is a block diagram sequentially showing a manufacturing method according to the present invention.

The present invention relates to glasses having a nose support 10, 20 via a bracket on one side of the frame for receiving the lens, the nose support 10, 20 is integral with the connector (15, 25) It is molded in a removable structure on the bracket and contains a photoluminescent material to emit light at night. In FIG. 1, the plurality of nose pads 10 is ejected from the mold with the runner 16 and gate 18 integrally connected. The connector 15 located at the center of one side of the nose support 10 has a fastening hole 15a and usually insert-injects a metal piece, but the present invention is replaced by a resin having a slight hardness. At this time, the phosphorescent material is added in a predetermined property and content in the molding process so that the nose support 10 emits light at night. The duration of light emission is appropriate in the range of 6-8 hours in consideration of various variables. However, although it is possible to form a nose support composition having a light emission time of more than 12 hours, the economical duration may be about 6 to 8 hours in consideration of increased material cost, manufacturing difficulties, and increased defect rate. .

Reference numeral 16a denotes a sprue into which molten material is injected, and 10a denotes a riser for cooling and bleeding.

In FIG. 3, a method of manufacturing the nose support 10 is described, and based on this, a more preferable structure of the nose support 10 and 20 is proposed in FIG. 4.

First, the liquid silicone material is subjected to the mixing step (S10) of mixing 90 ~ 95wt% of liquid and 5 ~ 10wt% of powdery photoluminescent material. The phosphorescent material is selected from pigments based on phosphorescent zinc sulfide (ZnS) without heavy metals. When heavy metals are included, deterioration by heat during molding is caused, and acidity is high, and there is a high possibility of causing time-curable deterioration of the phosphorescent pigment. The mixing ratio of the photoluminescent pigment to the conventional resin is 10 to 20wt%, but in the present invention, 5 to 10wt%, very preferably 6wt% to within ± 0.5%. The colorant may cause no light emission due to deterioration while lowering the luminance, so only a small amount of 0.1 wt% or less is added.

Next, the degassing step (S20) to remove the air of the silicon in a vacuum state. The air present in the liquid silicone weakens the strength due to poor fluidity during molding and damages the aesthetics of the product after molding. As in the case of degassing epoxy resin, urethane resin, polyester resin and the like, a vacuum deflator is used.

Next, the stirring step (S30) to stir at least every 30 minutes so that the phosphorescent material powder does not precipitate. Powdered phosphorescent material sinks or agglomerates in liquid silicon and is agitated periodically using a stirrer. That is, the photoluminescent material has a higher specific gravity than liquid silicone, and thus, if it is not stirred frequently, the photoluminescent material is not properly mixed, thereby greatly increasing the defective rate of the product production according to the present invention. Therefore, the agitation is suitable 25 to 30 minutes intervals based on the content ratio presented in the mixing step (S10) of the present invention, but the trick of stirring is also very important. In other words, when stirring in a spin form, slowly stirring back, forth, left and right, there is no change in physical properties.

Finally, the injection of the raw material of the liquid into the mold and includes a molding step (S40) about 30 seconds after the release. Although the injection molding machine is not shown, as the screw moves forward, the silicon / luminescent mixture raw material is filled into the cavity through the runner 16 and the gate 18 of the mold, and then pressurized by the continuous advance of the screw to cool after molding. The shrinkage caused by After approximately 30 seconds, the screw is returned and the molded part is withdrawn and the molding cycle is continued.

At this time, the nose support 10 is maintained in the overall flexibility by the silicone, while the connector 15 is fastened by the hole (15a) is formed of a slightly hard material. Injection is performed by partially hardening the silicone resin or inserting a separate hard resin. In FIG. 2, 15b is a flat plate formed integrally with the connector 15a and is inserted into the nose support 10. 1, the runner 16, the gate 18, the riser 10a, and the like are cut at the time of use after the molding is completed.

Figure 4 is a perspective view showing a state of use of the nose support according to a variant of the present invention.

In FIG. 4, the connector 25 of the nose support 20 according to the modified example has elastically detached and attached to the step 22a formed in the bracket 22 having a groove 25a having one side opened in a C shape. It is desirable to be. The groove 25a of the connector 25 forms a thick flesh so that high elasticity is maintained at both ends of the C-shaped opening. The connector 25 having such a groove 25a is provided with a drilling pin in the mold to be formed at the same time as the injection. The stepped portion 22a of the bracket 22 has a reduced diameter compared to other portions, and the diameter of the stepped portion 22a is slightly larger than the diameter of the groove 25a of the connector 25, so that the stepped portion 22 may be fit.

Accordingly, when the connector 25 of the nose support 20 is pressed against the step 22a of the bracket 22, it is integrally coupled and is not easily separated by the elastic force of the connector 25. Since the connector 25 is constrained up and down at the step 22a of the bracket 22, the nose support 20 does not go down or rise up.

Of course, if a little external force is applied to the nose support 20 may be rotated on the bracket 22, but rather in terms of contact with the nose and the like acts as an advantage. If the nose support 20 does not rotate as in the prior art, the stepped portion 22a of the bracket 22 and the groove 25a of the connector 25 may be formed in a square cross section.

Suggesting the configuration of the connector 25 as shown in Figure 4 is to increase the utilization of the nose support (20). The nose support 20 has a body color of a phosphorescent material on a transparent background, and various colors may be added thereto. Therefore, the user can purchase a large number of the nose support 20 of the desired color, it is convenient to replace at any time without a separate tool.

It's easy to find where you left your glasses at night, either in an unlit or lit room, and it's easy to find them. Before going to bed, remove one side of the nose pad and combine it with other things to double the function.

According to the above-described configuration and operation, the luminous nose pad for eyeglasses of the present invention has a useful effect, not only to increase the merchandise as a high value-added eyeglasses product, but also to provide functionality so that it is easy to find at night.

It is apparent to those skilled in the art that the present invention is not limited to the described embodiments and that various modifications and variations can be made without departing from the spirit and scope of the present invention, and therefore such modifications or Modifications should be within the scope of the claims of the present invention.

Claims (3)

In the eyeglasses having a nose support 10, 20 via a bracket on one side of the frame for receiving the lens, The nose support 10, 20 is molded integrally with the connector (15) 25 is detachable to the bracket, but the luminous nose support for glasses, characterized in that it contains a photoluminescent material to emit light at night. The method of claim 1, The connector 25 of the nose support 20 is provided with a groove 25a of which one side is opened in a C-shaped, luminous for spectacles, characterized in that it is elastically detached and attached to the step (22a) formed on the bracket 22 Nose rest. Mixing step (S10) of mixing the liquid silicon material 90 ~ 95wt% and powdery photoluminescent material 5 ~ 10wt%; Degassing step (S20) for removing the air of silicon in a vacuum state; Stirring step (S30) at least every 30 minutes so that the phosphorescent material powder does not precipitate; And Injecting the liquid raw material into the mold and after about 30 seconds, the method of manufacturing a nose stand of claim 1 comprising a molding step (S40).