JP2008257152A - Method of decorating resin eyeglasses frame and resin eyeglasses frame produced by the method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To apply an unblurred transfer pattern on the surface of a resin frame polished and finished to have a prescribed form. <P>SOLUTION: A method of decorating a resin eyeglasses frame is characterized in that polyurethane-based adhesive (13) is applied onto the surface of the resin eyeglasses frame polished and finished to have a prescribed form, then, after drying the adhesive, epoxy-based adhesive (14) is applied and dried, then, the pattern (16) is transferred and formed thereon by hot-pressing. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a method for decorating a resin spectacle frame and a resin spectacle frame made by the method.

  Conventionally, many methods for forming a decorative pattern on a resin spectacle frame such as acetate by a transfer method have been proposed. For example, as in (i) Japanese Patent Laid-Open No. 03-44617, a urethane resin, an acrylic resin, a polyester resin, or a silicone resin is provided on the base, a metal vapor deposited film is transferred thereon, and a transparent resin layer is coated thereon. Technology and (ii) Japanese Patent Laid-Open No. 04-221924 proposes a technology in which a character pattern made of metallic nickel is transferred to an acetate resin, a solvent is further applied, and the acetate resin is heated and pressurized to be deposited thereon. ing.

JP 03-44617 JP 04-221924

  However, in Japanese Patent Application Laid-Open No. 03-44617 of (i) above, when a transfer sheet using a dye other than a metal vapor-deposited film is used, by applying a transparent resin layer on the transfer pattern, The edges were blurred or flowed.

Further, in the above Japanese Patent Laid-Open No. 04-221924 of (ii), a pattern was not formed well even when the acetate resin was directly subjected to thermal transfer. When the temperature is applied for a long time, the pattern is attached, but the surface of the acetate resin becomes rough and the product cannot be shipped. In this case as well, the dye-based transfer pattern was still blurred by the solvent or the pattern flowed.

  Therefore, in the present invention, in order to solve the above-mentioned problems, a polyurethane adhesive is applied to the surface of the resin spectacle frame, and after drying, an epoxy adhesive is applied and dried, and then transferred onto the surface. Invented a method for decorating a resin spectacle frame characterized by forming a pattern.

More specifically, a polyurethane adhesive is applied to the surface of a plastic spectacle frame that has been trimmed into a predetermined shape, polished, and finished as a component just before shipment, and after drying, an epoxy adhesive is applied. The present invention invented a method for decorating a resin spectacle frame, characterized in that after drying, a pattern by transfer was formed on it by hot pressing.

Then, the present invention invented the provision of a resin spectacle frame characterized in that a decorative pattern is applied to the outermost surface of the resin frame by the decoration method.

  According to the above invention, by finishing without providing a solvent or a transparent resin layer on the transfer pattern, the dye-based transfer pattern remains clear without blurring, and the pattern dye does not flow out.

  A polyurethane adhesive is applied to the outermost surface of a resin spectacle frame that has been shaped into a predetermined shape, polished, and finished into a final part. After drying, an epoxy adhesive is applied and dried. A resin spectacle frame decoration method characterized by forming a pattern by transfer on a hot press, and a resin spectacle frame obtained by the decoration method. The best mode will be described below with reference to the drawings.

  1 and 2 are cross-sectional views of the main part of an embodiment of the present invention. A polyurethane adhesive is applied to the surface of a frame 11 made of a base resin such as acetate, cellulose, nylon, etc., which has been adjusted to a predetermined shape and polished. 12 was applied, and after drying, an epoxy adhesive 13 was applied thereon. After drying, a thermal transfer sheet 14 of a sublimation dye was affixed thereon. FIG. 2 shows the sheet peeled after hot pressing, and the transfer pattern 15 is well fixed to the epoxy adhesive layer.

  In this case, even if an epoxy-based adhesive is used directly on the resin frame, the transfer sheet has good compatibility with the dye, but the adhesion with the acetate resin as the base material is not good and is easily peeled off. Also, when the transfer sheet pattern is transferred to the resin frame using only polyurethane adhesive, the adhesion with the acetate resin frame is good, but the color and pattern are not compatible with the transfer sublimation dye. Is blurred or flowing. Thus, by using two different adhesives as in the present invention, the adhesion to the frame of the acetate resin is improved, and the fixing property of the transfer dye is also improved. Of course, there is no problem even if a clear thin coating is applied from above.

  FIG. 3 is a front view when the resin frame of the present invention is a temple, and FIG. 4 is a cross-sectional view taken along line AA. In this case, the core hole 23 for inserting the cored bar is opened, and the temple 20 is subjected to various types of polishing, and the transfer pattern 15 is applied to the outermost surface thereof. After this, the mandrel may be inserted, assembled to the front frame with a hinge or the like, and shipped.

  FIG. 5 shows a case where the resin frame of the present invention is a front frame 30. In this case as well, the shape of the wearer's face is curved by heating and the like, and is cut into a predetermined shape and subjected to various types of polishing. In other words, the transfer decoration was applied to the state before the final assembly. The appearance has also become very vivid.

Sectional view of an embodiment of the present invention Fig. 1 is a sectional view of the transfer sheet peeled off after heating. Temple front view of the present invention AA sectional view of FIG. Front frame of the present invention

Explanation of symbols

11 resin frame 12 polyurethane adhesive layer 13 epoxy adhesive layer 14 transfer sheet 15 transfer pattern 20 temple 23 core hole 30 front frame

Claims (3)

Decorating a resinous eyeglass frame characterized by applying polyurethane adhesive to the surface of a resinous eyeglass frame, drying, applying epoxy adhesive and then drying, and forming a pattern by transfer on it Method. A polyurethane adhesive is applied to the surface of a plastic spectacle frame that has been shaped into a specified shape, polished, and finished as a part immediately before shipment. After drying, an epoxy adhesive is applied and dried. A method for decorating a resin spectacle frame, characterized in that a pattern by transfer is formed by hot pressing. A resin spectacle frame, wherein a decorative pattern is applied to the outermost surface of the resin frame by the decoration method according to claim 1 or 2.

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