JP2010152017A - Eyeglasses lens and rimless eyeglasses including the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an eyeglass lens and a rimless eyeglasses including the same, preventing adhesion of an adhesive to an optical surface of the lens by processing the side edge peripheral surface of the outer peripheral edge of the lens where the adhesive rises from a recessed groove when the quantity of the adhesive is too large in fixing a decorative yarn material by the adhesive, having good appearance, and further dispensing with technique, material and hardware for performing laser welding to be manufactured inexpensively. <P>SOLUTION: A recessed groove 4 is engraved in the side edge peripheral surface 3 of the lens outer peripheral edge 2, and in the recessed groove 4, a part is formed deeper than the other part to form a deep groove part 5. After the recessed groove 4 is filled with the adhesive 8, a substantially flat decorative yarn material 7 is fitted in the recessed groove 4, and the adhesive 8 raised from the recessed groove 4 is cut. Also in the decorative yarn material 7, the substantially flat surface 71 appears on the front in the deep groove part 5, and in the recessed groove 4 outside the deep groove part 5, the yarn material is twisted midway so that the substantially flat end face 72 appears. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a spectacle lens for rimless spectacles, and more particularly to a spectacle lens in which a lens outer peripheral edge is decorated.

  Conventionally, as a means of providing individual glasses, most of them are providing the glasses frame itself as various materials and shapes, or by coloring eyeglass lenses such as sunglasses. However, recently, edgeless glasses with improved fashionability have been provided by drilling screw holes and attaching the bridge fitting and the edgeless frame using screws.

  Further, as a conventional technique for improving the decorativeness of the edgeless spectacles, a concave groove is formed on a side peripheral surface (hereinafter also referred to as “edge surface”) of the outer periphery of the lens, and a metal is formed in the concave groove. One or more selected from powder, metal foil, dye, pigment, or one or more selected from silk, wool, decorative yarn, lame, and synthetic resin yarn, and filled with adhesive It is known (for example, refer to Patent Document 1).

In addition, the decorative thread material does not easily fall off, and it is made of a metal with high thermal conductivity in the concave groove provided around the edge of the eyeglass lens in order to obtain a high level of decorativeness and high quality. There is known a spectacle lens in which the decorative thread material is inserted and the ends thereof are connected by laser welding and edgeless spectacles provided with this lens (for example, see Patent Document 2).
JP 2000-347140 A JP 2008-96597 A

  However, in the invention described in Patent Document 1, when the decorative thread material cut to the length of the concave groove is inserted into the concave groove provided on the outer periphery of the lens and fixed with an adhesive, the amount of the adhesive is small. The decorative thread material is easy to peel off, and if the amount of adhesive is too much, the side edge peripheral surface of the lens outer peripheral edge is not processed, so that the adhesive protrudes from the concave groove and adheres to the optical surface of the lens, or it does not look good There was a risk of becoming.

  Moreover, in the invention described in Patent Document 2, a metal decorative thread material having high thermal conductivity is inserted into a concave groove provided around the edge surface of the spectacle lens, and the ends thereof are connected by laser welding. However, although it is not necessary to fill the concave groove with an adhesive, there is a problem that a technique and materials for performing laser welding are required, resulting in an increase in manufacturing cost.

  Therefore, the problem to be solved by the present invention is that when adhering the decorative yarn material with an adhesive, when the amount of the adhesive is too large, the peripheral edge of the outer periphery of the lens where the adhesive is raised from the concave groove. It is equipped with a spectacle lens and its spectacle lens that can be manufactured at low cost without the need for technology or materials for laser welding, which prevents the surface from being processed and adhered to the optical surface of the lens, has a good appearance. It is to provide rimless glasses.

  Therefore, in the present invention according to claim 1, in the spectacle lens, a concave groove is engraved on the peripheral surface of the outer peripheral edge of the lens, and a part of the concave groove is formed deeper than the other part. After forming the deep groove portion and filling the concave groove with an adhesive, a substantially flat decorative thread material is inserted into the concave groove, the adhesive protruding from the concave groove is cut, and the decorative thread material is In the deep groove portion, the substantially flat surface appears on the front surface, and in the concave groove other than the deep groove portion, twisting is performed in the middle so that the substantially flat end surface appears.

  Further, in the present invention according to claim 2, in the eyeglass lens according to claim 1, the concave groove is formed by deeply comparing the lens outer peripheral edge corresponding to the mounting portion of the left and right lens bridge fittings with the other outer peripheral edge. It is characterized by forming a deep groove portion.

  Further, in the present invention according to claim 3, in the eyeglass lens according to claim 1, the concave groove is formed by deeply forming the outer peripheral edge of the left and right lens in comparison with the other outer peripheral edge to form a deep groove. A part is formed.

  According to a fourth aspect of the present invention, in the eyeglass lens according to any one of the first to third aspects, the concave groove is formed in a substantially tapered shape narrowed downward. To do.

  Further, in the present invention according to claim 5, in the eyeglass lens according to any one of claims 1 to 4, the decorative yarn material is formed by knitting a plurality of single yarns. To do.

  Further, in the present invention according to claim 6, in the spectacle lens, a concave groove is formed on the peripheral surface of the outer periphery of the lens, and the concave groove includes an upper groove having a wider groove width and a lower stage having a narrow groove width. After forming a two-stage depth with the groove and filling the lower groove with adhesive, a substantially flat decorative thread material is inserted into the lower groove, and a narrow lid tape is inserted into the upper groove. In addition, the decorative thread material is twisted in the middle so that a substantially flat surface appears on the front surface in the deep groove portion and a substantially flat end surface appears in the concave groove other than the deep groove portion. And

  Moreover, in this invention which concerns on Claim 7, the spectacles lens as described in any one of Claims 1-6 was provided in edgeless spectacles, It is characterized by the above-mentioned.

  According to the first aspect of the present invention, in the spectacle lens, after the adhesive is filled in the concave groove, a substantially flat decorative thread material is inserted into the concave groove, and the adhesive raised from the concave groove is: Because it has been cut, the adhesive can be prevented from adhering to the optical surface of the spectacle lens, and it has a good appearance. In addition, it eliminates the need for laser welding techniques and materials, and manufactures spectacle lenses at low cost. it can. In addition, the decorative thread material is twisted in the middle so that a substantially flat end surface appears in the concave groove other than the deep groove part, while the substantially flat surface appears in the front surface in the deep groove part. The colors and patterns can be seen, so the design can be improved and high decorativeness and luxury can be created.

  According to the second aspect of the present invention, in the eyeglass lens according to the first aspect, the concave groove is formed by deeply comparing the lens outer peripheral edge corresponding to the mounting portion of the left and right lens bridge fittings with the other outer peripheral edge. Since the deep groove portion is formed to form the decorative yarn material, a substantially flat surface appears on the front surface in the deep groove portion, and a substantially flat end surface appears in the concave groove other than the deep groove portion. When twisting halfway through, it is possible to bring out high decorativeness and luxury without disturbing the field of view.

  According to the third aspect of the present invention, in the eyeglass lens according to the first aspect, the concave groove is formed by deeply forming the outer peripheral edge of the left and right lenses in comparison with the other outer peripheral edges. Since the portion is formed, the decorative thread material is twisted in the middle so that the substantially flat surface appears in the front surface in the deep groove portion, and the substantially flat end surface appears in the concave groove other than the deep groove portion. In this case, the visual field is not obstructed, and the decorativeness and luxury can be more impressive.

  According to the fourth aspect of the present invention, in the eyeglass lens according to any one of the first to third aspects, since the concave groove is formed in a substantially tapered shape narrowed downward, it is bonded. When the decorative yarn material is fixed using the agent, the adhesive can be closely packed, and as a result, the adhesive can be prevented from solidifying in a state where bubbles are mixed. Therefore, since air bubbles are not visually recognized through the lens, appearance can be improved. In addition, the decorative thread material can be easily fitted into the concave groove, the workability is improved, and the eyeglass lens can be manufactured in a short time.

  According to the fifth aspect of the present invention, in the eyeglass lens according to any one of the first to fourth aspects, the decorative yarn material is formed by knitting a plurality of single yarns. When the thread material is twisted in the middle so that a substantially flat end surface appears in the concave groove other than the deep groove part and the substantially flat surface appears in the front surface in the deep groove part, the stitches of the decorative thread material Will be emphasized, and it will be possible to bring out high decorativeness and luxury.

  According to the sixth aspect of the present invention, in the eyeglass lens, the concave groove is formed at a two-stage depth of an upper groove having a wider groove width and a lower groove having a narrow groove width, and is bonded to the lower groove. After filling with the agent, the adhesive thread adheres to the optical surface of the spectacle lens because a substantially flat decorative thread material is inserted into the lower groove and further closed with a narrow lid tape in the upper groove. This makes it possible to prevent the appearance of the eyeglass lens, and it is possible to manufacture the eyeglass lens at a low cost. In addition, the decorative thread material is twisted in the middle so that a substantially flat end surface appears in the concave groove other than the deep groove part, while the substantially flat surface appears in the front surface in the deep groove part. The colors and patterns can be seen, so the design can be improved and high decorativeness and luxury can be created.

  According to the seventh aspect of the present invention, in the frameless glasses, since the glasses lens according to any one of claims 1 to 6 is provided, the frameless glasses having the effects described above are provided. Can be provided.

  The configuration of the first embodiment of the present invention will be described below with reference to the drawings.

  FIG. 1 is an explanatory diagram of a manufacturing process of the spectacle lens according to the first embodiment, FIG. 2 is an explanatory diagram regarding insertion of the decorative thread material into the spectacle lens, and FIG. 3 is related to a cross-sectional shape of the concave groove. FIG. 4 is an explanatory diagram related to edgeless glasses.

  As shown in FIGS. 1, 2, and 4, the eyeglass lens 1 according to the first embodiment of the present invention has a concave groove 4 on the side peripheral surface 3 of the lens outer peripheral edge 2. The deep groove portion 5 is formed deeper than part of the deep groove portion 5.

  In addition, as shown in FIG. 1, the spectacle lens 1 has a substantially flat decorative thread material 7 inserted into the concave groove 4 after filling the concave groove 4 with the adhesive 8. Is inserted, and the adhesive 8 raised from the concave groove 4 is cut.

  In addition, as shown in FIG. 2, the spectacle lens 1 is configured so that the decorative thread material 7 has a substantially flat surface 71 appearing on the front surface in the deep groove portion 5, and in the concave groove 4 other than the deep groove portion 5. It is twisted in the middle so that the flat end surface 72 appears.

  With this configuration, the spectacle lens 1 is raised from the concave groove 4 by filling the concave groove 4 with the adhesive 8 and then inserting the substantially flat decorative thread material 7 into the concave groove 4. Since the adhesive 8 is cut, it is possible to prevent the adhesive 8 from adhering to the optical surface of the eyeglass lens 1, and the appearance is good. Furthermore, the technology and materials for performing laser welding are not required, and the eyeglass lens 1 can be manufactured at low cost. In addition, the spectacle lens 1 has the decorative thread material 7 so that the substantially flat surface 71 appears on the front surface in the deep groove portion 5, and the substantially flat end surface 72 appears in the concave groove 4 other than the deep groove portion 5. Thus, since the color and pattern of the decorative thread material 7 can be seen, the design is improved, and a high decorativeness and a high-class feeling can be brought about.

  Below, each component of the spectacle lens 1 concerning 1st Embodiment of this invention is demonstrated in detail, referring drawings.

  The lens outer peripheral edge 2 will be described. The lens outer peripheral edge 2 is an outer peripheral edge that forms the outer shape of the eyeglass lens 1.

  The side edge peripheral surface 3 will be described. As shown in FIGS. 1 and 2, the side edge peripheral surface 3 is a flat surface constituting the lens outer peripheral edge 2 that forms the outer shape of the spectacle lens 1, and is a surface on which a concave groove 4 described later is engraved. .

  The concave groove 4 will be described. As shown in FIG. 1, the concave groove 4 is a concave groove having a substantially quadrangular cross-sectional view, and is a groove into which a decorative thread material 7 (described later) is inserted after the adhesive 8 (described later) is filled. Moreover, the shape of the concave groove 4 can be various.

  That is, the concave groove 4 has various types of cross-sectional shapes as shown in FIGS. 3 (a) to 3 (e).

  The concave groove 4 is, for example, as shown in FIG. 3A, the upper part of the concave groove 4, that is, the side edge peripheral surface 3 side is wide open, and narrows in a tapered shape toward the inside of the lens. Then, there is a concave groove having a substantially rectangular shape in cross section. In addition, as the concave groove 4 having a shape that narrows in a tapered shape toward the inside of the lens, for example, there is a concave groove having a substantially trapezoidal shape in cross section as shown in FIG.

  For example, as shown in FIGS. 3B and 3C, the concave groove 4 can be a concave groove having a substantially triangular shape in cross section.

  Furthermore, the concave groove 4 can be, for example, a concave groove having a substantially U-shaped cross-sectional view as shown in FIG.

  The deep groove portion 5 will be described. As shown in FIG. 2, the deep groove portion 5 is a portion where the concave groove 4 is partially formed deeper than the other portions, and the color and pattern of the flat surface 71 of the decorative thread material 7 to be described later can be seen. So deeply formed.

  The deep groove 5 is formed by deeply engraving the lens outer peripheral edge (not shown) corresponding to the mounting portion of the left and right lens bridge fitting 91 with the concave groove 4 in comparison with the other outer peripheral edge.

  The deep groove portion 5 is formed by the concave groove 4 being deeply engraved by comparing the lens outer peripheral edge 21 of the outer end portion of the left and right lenses with another outer peripheral edge.

  Further, the deep groove portion 5 is formed on the lens outer peripheral edge corresponding to the mounting portion of the bridge fitting 91 of the left and right eyeglass lens, that is, the lens outer peripheral edge of the inner end portion of the left and right lenses, or the lens outer peripheral edge 21 of the outer end portion of the left and right lenses. Although it is engraved, it may be engraved on both sides simultaneously.

  The decorative thread material 7 will be described. The decorative thread material 7 is composed of, for example, any one of silk thread, wool thread, decorative thread, lame, and synthetic resin thread. Moreover, it can also comprise combining the kind of thread | yarn. In particular, by using silk thread, it is possible to combine the beauty and luxury of silk thread.

  Furthermore, the decorative yarn material 7 can be formed by knitting a plurality of single yarns. Since the single yarns are knitted together, a pattern that is the stitch can be formed.

  As the adhesive 8, for example, a chemically reactive adhesive made of an epoxy resin system and a polyamide resin system is used. The adhesive 8 is filled before the decorative thread material 7 is inserted into the concave groove 4, and the protruding portion of the concave groove 4 is cut by inserting the decorative thread material 7.

  Moreover, as the adhesive 8, for example, an ultraviolet curable adhesive can be used. In particular, a liquid UV curable adhesive having a main component modified acrylic resin and colorless and transparent is used.

  Using the spectacle lens 1 having such a configuration, as shown in FIG. 4, edgeless spectacles 9 can be manufactured.

  The frameless glasses 9 include a pair of left and right glasses lenses 1 and a glasses frame 90 that holds these glasses lenses 1.

  The eyeglass frame 90 includes a bridge fitting 91 that connects and holds the inner end portions of the pair of left and right eyeglass lenses 1, a pair of left and right pads 92 that are connected to the crings protruding from the left and right of the bridge fitting 91, A pair of left and right wisdom 93 for holding the outer end portion of the spectacle lens 1, a pair of left and right temples 94 that are foldably connected to the wisdom 93 through hinges, and a rear end portion of each of the left and right temples 94. It is composed of a pair of left and right modern 95 that are integrally connected.

  Further, the eyeglass frame 90 has a female screw threaded on a flange 93a projecting from the left and right end portions 91a of the bridge fitting 91 and the left and right ends 93, and is formed in the eyeglass lens 1 as shown in FIG. A pair of left and right eyeglass lenses 1 is held by screwing a bolt inserted into the mounting hole into a nut.

  Below, the manufacturing method of the spectacle lens 1 concerning 1st Embodiment is demonstrated using drawing.

  FIG. 1A shows the spectacle lens 1 before the concave groove 4 is engraved.

  First, as shown in FIG. 1 (b), the concave groove 4 is formed on the side peripheral surface 3 of the lens outer peripheral edge 2 of the spectacle lens 1. At this time, as shown in FIG. 2, the concave groove 4 is partially formed deeper than the other part to form the deep groove part 5.

  When the concave groove 4 is engraved, it may be formed in a substantially tapered shape narrowed downward.

  In this way, since the concave groove 4 is engraved in a narrow taper shape toward the lower side, the adhesive 8 is densely filled when the decorative yarn material 7 is fixed using the adhesive 8. As a result, it is possible to prevent the adhesive 8 from solidifying in a state where bubbles are mixed. Therefore, since air bubbles are not visually recognized through the lens, appearance can be improved. In addition, the decorative thread material 7 can be easily fitted into the concave groove 4, the workability is improved, and the eyeglass lens 1 can be manufactured in a short time.

  Further, when the concave groove 4 is formed on the side peripheral surface 3 of the lens outer peripheral edge 2 of the spectacle lens 1 and the deep groove portion 5 is formed, the lens outer peripheral edge corresponding to the mounting portion of the bridge fitting 91 of the left and right lenses is formed. You may form deeply compared with another outer periphery.

  In this way, the outer peripheral edge of the deep groove portion 5 for showing the flat surface 71 of the decorative thread material 7 on the front surface is compared with the outer peripheral edge of the lens lens 1 corresponding to the attachment portion of the bridge fitting 91 of the left and right lenses. By forming it deeply, the color and pattern of the decorative yarn material 7 can be shown, so that the design is improved and high decorativeness and high-class feeling can be brought out.

  That is, when the lens outer peripheral edge corresponding to the mounting portion of the left and right lens bridge fitting 91 is formed deeper than the other outer peripheral edge, the user wears the edgeless eyeglasses 9 to which the eyeglass lens 1 is attached. By doing so, it is possible to attract other people's eyes to the center of the face, and as a result, there is an effect of making the face of the wearer of the no-rimmed glasses 9 appear smaller to others.

  On the other hand, when the concave groove 4 is formed on the side peripheral surface 3 of the lens outer peripheral edge 2 of the spectacle lens 1 and the deep groove portion 5 is formed, the lens outer peripheral edge 21 at the outer end portion of the left and right lenses is removed from the other outer periphery. You may form deeply compared with a periphery.

  In this way, the deep groove portion 5 for showing the flat surface 71 of the decorative thread material 7 on the front surface is formed deeply by comparing the lens outer peripheral edge 21 of the outer end portion of the left and right lenses of the eyeglass lens 1 with other outer peripheral edges. As a result, the color and pattern of the decorative thread material 7 can be shown, so that the design can be improved and high decorativeness and high-class feeling can be brought about.

  That is, when the outer peripheral edge 21 of the left and right lenses is deeply formed in comparison with other outer peripheral edges, the user wears the edgeless spectacles 9 to which the spectacle lens 1 is attached, It is possible to attract other people's eyes in the vicinity of the outline of the face, and as a result, there is an effect of making the shape of the face of the wearer of the edgeless glasses 9 stand out from others.

  Next, as shown in FIG. 1C to FIG. 1E, the concave groove 4 is filled with the adhesive 8, and then the substantially flat decorative thread material 7 is inserted into the concave groove 4. .

  When the substantially flat decorative thread material 7 is inserted into the concave groove 4, the decorative thread material 7 is configured so that the substantially flat surface 71 appears on the front surface in the deep groove portion 5, as shown in FIG. In the concave groove 4 other than the deep groove portion 5, it is twisted midway so that a substantially flat end face 72 appears.

  The decorative thread material 7 uses silk thread, wool thread, decorative thread, lame, synthetic resin thread, etc., for example, by using, for example, a very high quality silk thread produced by Koishimaru, one of the varieties of silkworms. The beauty and luxury of silk can be emphasized.

  The decorative yarn material 7 is formed by knitting a plurality of single yarns. Therefore, since the single yarns are knitted together, it is possible to enjoy the pattern that is the stitch.

  The decorative yarn material 7 is formed by knitting a single yarn, a plurality of single yarns, or a plurality of single yarns as described above. The decorative thread material 7 is different from the color of the decorative thread material 7 before the adhesive 8 is impregnated and the color of the decorative thread material 7 after the adhesive 8 is impregnated. A sample is prepared and the customer is made to select the decoration thread material 7 in advance as the color of the decoration thread material 7 when it is actually inserted into the concave groove 4 of the eyeglass lens 1.

  In other words, the decorative thread material 7 is inserted in advance into the concave groove 4 according to the customer's order.

  Then, as shown in FIGS. 1 (e) to 1 (f), the adhesive 8 raised from the concave groove 4 is cut so that the decorative thread material 7 is not exposed from the concave groove 4. The side edge peripheral surface 3 is finished flat.

  Here, as the adhesive 8, a chemically reactive adhesive made of an epoxy resin system and a polyamide resin system is usually used. On the other hand, by using the ultraviolet curable adhesive, the bonding work time is significantly shortened, so that the production time of the eyeglass lens 1 can be greatly shortened.

  In other words, as described above, when the ultraviolet curable adhesive is used for the adhesive 8, the bonding work time is greatly shortened. Therefore, even when there is an abrupt production request for the eyeglass lens 1, the delivery date is kept. be able to.

  Furthermore, as shown in FIG. 4, the frameless glasses 9 are manufactured by using the glasses lens 1 manufactured by the above-described process.

  Next, the structure of 2nd Embodiment of this invention is demonstrated, referring drawings.

  FIG. 5 is an explanatory diagram of the manufacturing process of the eyeglass lens according to the second embodiment.

  As shown in FIG. 2, the eyeglass lens 1 according to the second embodiment of the present invention has a concave groove 4 on the side edge circumferential surface 3 of the lens outer peripheral edge 2, and the concave groove 4 has a deep groove portion 5. Some are deeper than others.

  Further, in the spectacle lens 1, the concave groove 4 is formed to have a two-stage depth of an upper groove 41 having a wider groove width and a lower groove 42 having a smaller groove width, and the adhesive 8 is provided in the lower groove 42. After that, the substantially flat decorative thread material 7 is inserted into the lower groove 42, and the decorative thread material 7 is closed in the upper groove 41 with a narrow lid tape 81.

  Moreover, the spectacle lens 1 has the decorative thread material 7 so that the substantially flat surface 71 appears on the front surface in the deep groove portion 5, and the substantially flat end surface 72 appears in the concave groove 4 other than the deep groove portion 5. It is twisted in the middle as it is.

  With this configuration, the spectacle lens 1 has the concave groove 4 formed in two levels of depth, that is, an upper groove 41 having a wider groove width and a lower groove 42 having a smaller groove width. After the adhesive 8 is filled, the substantially flat decorative thread material 7 is inserted into the lower groove 42, and the decorative thread material 7 closes the upper groove 41 with the narrow lid tape 81. It is possible to prevent the agent 8 from adhering to the optical surface of the spectacle lens 1, and the appearance is good. Furthermore, the technique and materials for performing laser welding are not required, and the spectacle lens 1 can be manufactured at low cost. Moreover, the decorative thread material 7 is configured so that the substantially flat surface 71 appears on the front surface in the deep groove portion 5 and the substantially flat end surface 72 in the concave groove 4 other than the deep groove portion 5, as in the first embodiment. Since the color and the pattern of the decorative yarn material 7 can be seen because the twisting is performed in the middle so that the image appears, the design can be improved, and a high decorativeness and a high-class feeling can be brought about.

  The difference between the first embodiment and the second embodiment described above is the difference between the shape of the concave groove 4 and the closing means after the decorative thread material 7 is inserted.

  Hereinafter, a configuration different from the first embodiment, that is, the concave groove 4 and the lid tape 81 will be described in detail with reference to the drawings.

  The concave groove 4 constituting the eyeglass lens 1 according to the second embodiment will be described. As shown in FIG. 5, the concave groove 4 is formed in two stages of depth, that is, an upper stage groove 41 having a wider groove width and a lower stage groove 42 having a narrower groove width. Therefore, the shape of the groove is convex in a sectional view.

  Next, the lid tape 81 constituting the eyeglass lens 1 according to the second embodiment will be described. In the first embodiment, the lid tape 81 is filled with the adhesive 8 instead of cutting the raised adhesive 8 to flatten the side peripheral surface 3 of the lens outer peripheral edge 2 and closing the decorative thread material 7. This tape is used when the decorative thread material 7 is closed in the concave groove 4.

  The concave groove 4 according to the second embodiment is formed into a specific shape having a convex shape in cross section, and therefore, when the concave groove 4 after the decorative thread material 7 is inserted is closed with the lid tape 81, the concave groove 4 is easily closed. can do.

  That is, since the groove width of the upper groove 41 of the concave groove 4 is formed wide, the raised adhesive 8 does not exist, and the lid tape 81 is connected to the upper groove 41 and the lower groove as shown in FIG. 42, the decorative thread material 7 can be reliably closed by adhering to the concave groove 4 formed in a cross-sectional convex shape, and the surface of the side peripheral surface 3 of the lens outer peripheral edge 2 is treated. This eliminates the need to do this and improves workability.

  Below, the manufacturing method of the spectacle lens 1 concerning 2nd Embodiment is demonstrated using drawing.

  The method for manufacturing the spectacle lens 1 according to the second embodiment is substantially the same as the method for manufacturing the spectacle lens 1 according to the first embodiment, but the concave groove in which the concave groove 4 is engraved and the decorative thread material 7 is inserted. Since there is a part different from the first embodiment regarding the blockage by the cover tape 81 of No. 4, there will be described.

  FIG. 5A shows the spectacle lens 1 before the concave groove 4 is formed.

  First, as shown in FIG. 5 (b), the concave groove 4 is formed on the side peripheral surface 3 of the lens outer peripheral edge 2 of the spectacle lens 1. When the concave groove 4 is engraved, an upper groove 41 and a lower groove 42 are provided. As shown in FIG. 2, the concave groove 4 is partially formed deeper than the other part to form the deep groove part 5.

  When the concave groove 4 is engraved, in particular, the lower groove 42 may be formed in a substantially tapered shape narrowed downward.

  As described above, the lower groove 42 of the concave groove 4 is engraved in a substantially tapered shape toward the lower side. Therefore, when the decorative yarn material 7 is fixed using the adhesive 8, the adhesive 8 is tightly sealed. As a result, it is possible to prevent the adhesive 8 from solidifying in a state where bubbles are mixed. Therefore, since air bubbles are not visually recognized through the lens, appearance can be improved. In addition, the decorative thread material 7 can be easily fitted into the concave groove 4, the workability is improved, and the eyeglass lens 1 can be manufactured in a short time.

  Further, when the upper groove 41 and the lower groove 42 are engraved as concave grooves 4 on the side edge peripheral surface 3 of the lens outer peripheral edge 2 of the spectacle lens 1 to form the deep groove portion 5, The lens outer peripheral edge corresponding to the attachment portion may be formed deeper than the other outer peripheral edges.

  As described above, as in the first embodiment, the deep groove portion 5 for showing the flat surface 71 of the decorative thread material 7 on the front surface is the lens outer peripheral edge (corresponding to the mounting portion of the bridge fitting 91 of the left and right lenses of the eyeglass lens 1. (Not shown) is deeply formed in contrast with other outer peripheral edges, so that the color and pattern of the decorative thread material 7 can be shown, so that the design is improved, and high decorativeness and high-class feeling are created. Can do.

  That is, when the lens outer peripheral edge (not shown) corresponding to the mounting portion of the left and right lens bridge fitting 91 is formed deeper than the other outer peripheral edge, the edgeless glasses 9 using the eyeglass lens 1 are formed. By wearing the user, it is possible to attract other people's eyes to the center of the face, and as a result, there is an effect of making the face of the wearer of the rimless glasses 9 smaller to others.

  On the other hand, when the upper groove 41 and the lower groove 42 are formed as concave grooves 4 on the side edge peripheral surface 3 of the lens outer peripheral edge 2 of the spectacle lens 1 to form the deep groove portion 5, the outer end portions of the left and right lenses are formed. The lens outer peripheral edge 21 may be formed deeper than the other outer peripheral edges.

  As described above, as in the first embodiment, the deep groove portion 5 for showing the flat surface 71 of the decorative thread material 7 on the front surface is used as the outer peripheral edge of the lens outer peripheral edge 21 of the right and left lenses of the eyeglass lens 1. In contrast to this, by forming it deeply, the color and pattern of the decorative thread material 7 can be shown, so that the design is improved and a high decorativeness and a high-class feeling can be brought about.

  That is, when the outer peripheral edge 21 of the left and right lenses is deeply formed in comparison with other outer peripheral edges, the user wears the edgeless spectacles 9 to which the spectacle lens 1 is attached, It is possible to attract other people's eyes in the vicinity of the outline of the face, and as a result, there is an effect of making the shape of the face of the wearer of the edgeless glasses 9 stand out from others.

  Next, as shown in FIGS. 5 (c) to 5 (d), the adhesive 8 is filled in the lower groove 42 of the concave groove 4, and then the substantially flat shape is formed in the lower groove 42 of the concave groove 4. The decorative thread material 7 is inserted.

  When the substantially flat decorative thread material 7 is inserted into the lower groove 42 of the concave groove 4, the decorative thread material 7 is substantially the same in the deep groove portion 5 as in the first embodiment, as shown in FIG. 2. The flat surface 71 appears on the front surface, and the concave groove 4 other than the deep groove portion 5 is twisted midway so that the substantially flat end surface 72 appears.

  As in the first embodiment, the decorative thread material 7 uses silk thread, wool thread, decorative thread, lame, synthetic resin thread, and the like. By using high-quality silk thread, the beauty and luxury of silk thread can be emphasized.

  Further, the decorative yarn material 7 is formed by knitting a plurality of single yarns as in the first embodiment. Therefore, since the single yarns are knitted together, it is possible to enjoy the pattern that is the stitch.

  The decorative yarn material 7 is formed by knitting a single yarn, a plurality of single yarns, or a plurality of single yarns as described above, as in the first embodiment. The decorative thread material 7 is different from the color of the decorative thread material 7 before the adhesive 8 is impregnated and the color of the decorative thread material 7 after the adhesive 8 is impregnated. A sample is prepared and the customer is made to select the decoration thread material 7 in advance as the color of the decoration thread material 7 when it is actually inserted into the concave groove 4 of the eyeglass lens 1.

  That is, as in the first embodiment, the decorative thread material 7 is preliminarily manufactured according to the customer's order and is inserted into the concave groove 4.

  And as shown in FIG.5 (d), the side edge of the lens outer periphery 2 is attached so that the decoration thread material 7 may not be exposed from the concave groove 4 by sticking the cover tape 81 on the upper groove 41 of the concave groove 4. The peripheral surface 3 is finished flat.

  As shown in FIG. 5 (e), even if the concave groove 4 is formed to have a two-stage depth of an upper groove 41 having a wider groove width and a lower groove 42 having a narrow groove width, The decorative thread material 7 may be closed in the concave groove 4 by using the adhesive 8 without using the tape 81.

  At this time, the side edge peripheral surface 3 of the lens outer peripheral edge 2 is finished flat so that the decorative thread material 7 is not exposed from the concave groove 4. That is, the adhesive 8 raised from the upper groove 41 of the concave groove 4 is cut, and the side peripheral surface 3 of the lens outer peripheral edge 2 is flat so that the decorative thread material 7 is not exposed from the upper groove 41 of the concave groove 4. Finished.

  As the adhesive 8 when the lid tape 81 is not used, a chemically reactive adhesive composed of an epoxy resin system and a polyamide resin system is usually used. On the other hand, by using the ultraviolet curable adhesive, the bonding work time is significantly shortened, so that the production time of the eyeglass lens 1 can be greatly shortened.

  That is, as in the first embodiment, when the UV curable adhesive is used, the adhesive 8 significantly reduces the bonding work time, so even if there is a sudden production request for the eyeglass lens 1, You can keep the delivery date.

  Further, as in the first embodiment, as shown in FIG. 4, the frameless glasses 9 are manufactured by using the glasses lens 1 manufactured by the above process.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the specific embodiments, and various modifications and changes can be made within the scope of the gist of the present invention described in the claims. It can be changed.

It is explanatory drawing of the manufacture process of the eyeglass lens concerning 1st Embodiment of this invention. It is explanatory drawing regarding insertion of the decorative thread material to the spectacle lens. It is explanatory drawing regarding the cross-sectional shape of a concave groove. It is explanatory drawing regarding edgeless glasses. It is explanatory drawing of the manufacture process of the spectacles lens concerning 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Glasses lens 2 Lens outer periphery 3 Side edge peripheral surface 4 Concave groove 5 Deep groove part 7 Decorative thread material 8 Adhesive 9 Edgeless glasses 21 Lens outer periphery 41 (on the outer edge part of right and left lenses) Upper groove 42 Lower groove 71 Bias Plane 72 End surface 81 Cover tape 90 Glasses frame 91 Bridge fitting 91a Left and right end 92 Pad 93 Tochi 93a Flange 94 Temple 95 Modern

Claims (7)

While engraving concave grooves on the peripheral surface of the outer periphery of the lens,
The concave groove is partly deeper than the other part to form a deep groove part,
After filling the concave groove with an adhesive, a substantially flat decorative thread material is inserted into the concave groove, the adhesive protruding from the concave groove is cut, and the decorative thread material is substantially flat in the deep groove portion. A spectacle lens that is twisted halfway so that a substantially flat end surface appears in a concave groove other than the deep groove portion. The eyeglass lens according to claim 1,
The eyeglass lens is characterized in that the concave groove is formed deeper by forming the outer peripheral edge of the lens corresponding to the mounting portion of the bridge fitting of the left and right lenses with another outer peripheral edge to form a deep groove. The eyeglass lens according to claim 1,
The spectacle lens according to claim 1, wherein the concave groove is formed deeper by comparing the outer peripheral edge of the outer end portion of the left and right lenses with another outer peripheral edge to form a deep groove. In the eyeglass lens according to any one of claims 1 to 3,
The eyeglass lens, wherein the concave groove is formed in a substantially tapered shape narrowing downward. In the eyeglass lens according to any one of claims 1 to 4,
An eyeglass lens, wherein the decorative yarn material is formed by knitting a plurality of single yarns. While engraving concave grooves on the peripheral surface of the outer periphery of the lens,
The concave groove is formed in a two-stage depth of an upper groove having a wider groove width and a lower groove having a narrow groove width,
After filling the lower groove with an adhesive, a substantially flat decorative thread material is inserted into the lower groove, and the upper groove is closed with a narrow lid tape. A spectacle lens characterized in that a substantially flat surface appears on the front surface and is twisted halfway so that a substantially flat end surface appears in a concave groove other than the deep groove portion. Borderless glasses comprising the glasses lens according to any one of claims 1 to 6.

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