KR101421475B1 - Glasses frame manufacturing method for ultem double injection molding - Google Patents

Abstract

The present invention relates to a method of manufacturing an eyeglass frame using dual injection of an ultem,
And more particularly, to a method of manufacturing a lens barrel, comprising the steps of: forming a first lens barrel including a lens mount and including a space in a certain section of the lens mount, and processing the second lens barrel on a front surface or a rear surface, The space portion is filled with the resin of the same material as that of the second injection material to generate point portions so that the excellent advantages and various designs of the ultem material can be produced and it is possible to satisfy various desires of consumers and also the excellent function of the ultem material The present invention relates to a method of manufacturing an eyeglass frame using a dual injection of an ultram.
The present invention provides a method of manufacturing an injection mold, comprising the steps of: (a) fabricating a first injection molded article comprising a lens mounting part and composed of an Ultem material including a space part in the circumference of the lens mounting part; (b) And the second injection object comprises a point portion which is filled with the space portion by resin composed of an urethane material, and the point portion is injected into the second injection object.

Description

TECHNICAL FIELD [0001] The present invention relates to a method of manufacturing an eyeglass frame,

The present invention relates to a method of manufacturing an eyeglass frame using dual injection of an ultem,

And more particularly, to a method of manufacturing a lens barrel, comprising the steps of: forming a first lens barrel including a lens mount and including a space in a certain section of the lens mount, and processing the second lens barrel on a front surface or a rear surface, The space portion is filled with the resin of the same material as that of the second injection material to generate point portions so that the excellent advantages and various designs of the ultem material can be produced and it is possible to satisfy various desires of consumers and also the excellent function of the ultem material The present invention relates to a method of manufacturing an eyeglass frame using a dual injection of an ultram.

Generally, Ultem material is low in specific gravity and widely used as heat processing special material used in electric, electronic, spacecraft, aircraft interior parts, etc. It is excellent in flame retardancy, heat resistance, electrical characteristics, chemical resistance, weather resistance and gamma ray resistance And is commercially available. Especially, the frame of Ultem is not only light, but also has elasticity and resilience. It is light in weight and comfortable to wear.

On the other hand, the double injection molding method in which two types of materials are sequentially injection-molded in a mold to obtain a product is combined in the mold, so that the manufacturing process is simple and various aesthetic expressions are possible, It has been widely used on products such as rubber grips combined with toothbrush handles, two-tone color applied to the lid of notebook computers, mobile phone backlight parts, and spectacle frames.

The present invention proposes a method of manufacturing an eyeglass frame that not only adds an ultem material but also produces a double injection molded frame, and can enjoy advantages of the ultem material and various designs.

As a conventional technique related to the present invention, the following techniques are known.

Korean Patent Laid-Open Publication No. 10-2006-0072604 (published Jun. 28, 2006) discloses a "double injection molded plastic cup" in which a film formed on the surface of a plastic cup is easily peeled off, A first cup body that is formed by injection molding so that a space capable of containing beverage can be formed in the interior thereof in order to obtain a continuous advertising effect with a pattern formed on the surface of the first cup body; And a second cup body formed by injection molding so as to have a predetermined thickness on an outer surface of the first cup body, wherein a pattern is formed by injection molding on the second cup body Provide a cup. At this time, the pattern may be an embossed pattern embossed on the second cup body itself, and may be formed as a part of the first cup body so as to protrude from the surface of the first cup body and be exposed to the surface of the second cup body Lt; RTI ID = 0.0 > injection-molded < / RTI >

However, in the above-described patent, the embossing pattern corresponding to the first cup body may be injection-molded by forming the engraved pattern on the first cup mold so as to be exposed on the surface of the second cup body, There is a problem in that a part of the 1 cup mold is not formed in a space form in which all the voids are formed, so that the embossing pattern and the embossing pattern are simply formed.

In addition, Japanese Patent Application Laid-Open No. 10-2008-0110315 (published on Dec. 18, 2008) discloses a method of manufacturing a multicolor eyelid leg, in which a primary molding groove is formed in a left mold constituting a primary mold , Placing a right mold having no molding groove in the left mold, injecting a resin having a color into the primary molding groove of the left mold, curing and demolding the resin to obtain a primary glass leg, The second molding groove of the second molding groove is formed by inserting a resin of a different color into the second molding groove of the right mold, The first and second glasses legs are integrally formed, and the first and second glasses legs are polished and coated by a usual method to manufacture multi-color eyeglasses legs. If necessary, The decorative piece may be molded integrally It relates to a method for producing a color temples.

However, the above-mentioned patent discloses a manufacturing method of a pair of glasses which is manufactured by a conventional double injection, and therefore, it takes more steps to insert the decorative pieces between the primary glasses legs and the secondary glasses legs, There is a problem that market competitiveness is weakened.

In addition, it is possible to produce various designs with weak durability by using general plastic resin. However, there is a problem that the user's eyesight can be weakened by wearer's sensitive legs or glasses leg which is heavy and susceptible to temperature change and is bent or deformed .

According to an aspect of the present invention, there is provided a method of manufacturing a lens barrel, comprising the steps of: (a) fabricating a first injection molded article made of Ultem material including a space at a certain portion of a lens mount, And the second injection material is a resin composed of an urethane material and is filled and injected together with the space portion to form the second injection material. The durability, the heat resistance and the lightness The present invention provides a method of manufacturing an eyeglass frame using the dual injection of an ultem, which is capable of providing various designs such as various colors,

In addition, the resin injected in the step (b) is different from the resin injected in the step (a) to satisfy various desires of consumers who can realize a fashion sense, The present invention provides a method of manufacturing an eyeglass frame using the dual injection of an ultem, which can be manufactured quickly and quickly, thereby lowering the manufacturing cost and securing market competitiveness of the product.

And (c) after the step (b), inserting the hinge member including the first and second exposed parts, inserts a hinge member connected to the eyeglass frame together with the spectacle frame, Since the eyeglass frame and the eyeglass leg are not formed integrally with the eyeglass frame and the insert injection, the first and second exposures are not costly when the eyeglass frame and the eyeglass legs are broken due to breakage or damage, It is an object of the present invention to provide a method of manufacturing an eyeglass frame using a dual injection of an ultem, which is made up of different materials and can display various fashion senses with the addition of materials and components capable of various textures, coatings,

In order to solve the above-mentioned problems,

(a) a lens mount,

The method comprising the steps of: preparing a first injection molded article made of Ultem material including a space part in the circumference of the lens mount part;

(b) fabricating a second injection product on a front side, a rear side, or both, corresponding to the first injection side,

And the second injection object includes a point part which is filled with the space part by the resin made of the urethane material and is injected.

In the present invention, the resin injected in the step (b) is different from the resin injected in the step (a)

(c) After the step (b), insert injection is performed on the hinge member including the first and second exposed parts.

Further, a method of manufacturing an eyeglass frame using the dual injection method of the present invention

The first and second exposed portions may be made of a different material from the first or second injection molded article or both.

According to an aspect of the present invention, there is provided a method of manufacturing an eyeglass frame using dual injection of an ultem according to the present invention, comprising the steps of: (a) forming a first injection molded article made of Ultem material, And (b) fabricating a second injection molded article on the front side, the rear side, or both, corresponding to the first molded article, wherein the second molded article is filled with the space portion by a resin composed of an urethane material The resin injected in the step (b) is composed of a color different from that of the resin injected in the step (a), and has a durability, a heat resistance, , It is possible to produce various designs such as color, texture, and gloss by means of production method, so that it can meet various needs of consumers, It can really solidify.

1 is a perspective view and a front view of a finished spectacle frame of a method of manufacturing an eyeglass frame using dual injection of an ultem according to the present invention.
[0001] The present invention relates to a method of manufacturing an eyeglass frame, and more particularly,
3 is a modification of the space portion and the display portion in the method of manufacturing the spectacle frame using the double injection of the urethane.
Fig. 4A is a view of a method of manufacturing a spectacle frame using the double injection of the urethane according to the present invention, after the hinge member is insert-injected.
4 (B) is a view showing an example of the first and second exposed portions of the hinge member among the method of manufacturing the spectacle frame using the double injection of the urethane.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

While the present invention has been described in connection with certain embodiments, it is obvious that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, the term " POLYETHER IMIDE " is an official name of Ultem, and the term " ULTIM " It should be understood that the present invention is not limited to the spectacles frame, but also various applications utilizing the spectacle frame, the toothbrush rubber packing, the keyboard, and the like are within the scope of the present invention.

As used herein, the term " heterogeneous " means not only to distinguish two types of materials but also to have different characteristics such as gloss, component, color, and texture, It should be understood to those skilled in the art to which the present invention pertains.

Also, in this specification, each step in steps (a) and (b) does not necessarily proceed to step (b) but may proceed to step (a) after step (a). The steps (a) and (b) may be partially overlapped after the two steps or during the two steps (a) and (b) After completing, step (c) may be performed.

Further, in describing the method of manufacturing the spectacle frame P using the double injection of the urethane, according to the present invention,

The direction is specified in accordance with this standard in the detailed description and claims of the invention relating to the other drawings.

First, as shown in FIG. 2, a method of manufacturing an eyeglass frame P using a dual injection of an ultem according to the present invention

(a) a lens mount 11,

(10) composed of an Ultem material including a space portion (12) at any portion of the periphery of the lens mount (11);

(b) fabricating a second injection molding (20) on the front side, the rear side, or both, corresponding to the first injection molding product (10)

The second injection molding material 20 includes a point portion 21 which is filled with the space portion 12 generated in the step (a) by resin made of an ultram material.

After forming the step a in FIG. 2, the space portion 12 is filled in the step b so that the pointed portion 21 is naturally formed in the second molded article 20, so that a variety of images and designs It is possible to direct.

In addition, the first and second extruded articles formed in steps a and b are formed to have the same thickness so that the lens can be supported evenly when the lens is inserted. In addition, the thickness of the first and second extruded articles may be formed differently so that the direction of presentation may be different.

For example, as shown in [B] of FIG. 2, the second molded article 20 may be formed to have the same thickness as the first molded article 10 on the front surface or the rear surface of the first molded article 10 generated in step a, The second injection molded article 20 may be thicker or thinner than the first molded article 10 so that the second molded article 20 may be differently directed.

In addition, the first and second extruded articles 10 and 20 are formed by injecting the resin of the urethane material, and the first and second molded articles 10 and 20 are made of different colors. After the first injection molding is produced, the second injection molding is formed by injecting the resin of the different colors into the space portion 12 of the first injection molding, so that the urethane molding resin of the other color constituting the second molding 20 penetrates into the space portion 12 of the first molding Thereby creating a point portion 21 constituting the second ejected article 20.

As shown in FIG. 2, the mounting groove 13 is formed on the circumference of the lens mount 11 in a groove shape of '∧' type or '∩' type, so that the lens is mounted on the lens mount 11, It is preferable that it can be fitted in the opening 13.

The mounting recess 13 may be formed only in the first injection molding 10 or the second injection molding 20 and the first and second injection molding 10 and 20 ), And can be used as a pair of glasses for adding a lens so that a plurality of lenses can be inserted as needed.

It is not necessary to add the step of forming the attachment groove 13 to any one of the first injection molding product 10 or the second injection molding product 20 to produce one of the steps (a) and (b) desirable.

In another embodiment, any part of the mounting groove 13 may be formed in the first injection molding 10 in step (a), and the remaining part may be formed together in the second injection molding 20 in step (b) .

’형 렌즈장착부(11)의 장착홈(13)에서 상승하는 ‘

’부분만 제1사출물(10)에 형성되고, (b)단계에서 나머지 ‘

’부분은 제2사출물(20)에 형성될 수 있다. 이와 같은 공정은 금형에서 제작된 제1 및 제2 사출물(10)(20)의 분리를 쉽게 유도할 수 있고,That is, in step (a)

Shaped lens mounting portion 11,

'Portion is formed in the first injection molded article 10, and in the step (b)

Quot; portion may be formed in the second ejection article 20. Such a process can easily induce the separation of the first and second injection products 10 and 20 manufactured in the mold,

In the case of '∩' type, the angled portions are injection-molded in a round shape, so that it is not easily broken or sharpened in the step (a) or (b), so that the mounted lens can be prevented from being damaged or injured by the user.

The nose pedestal 50 is preferably formed in the first or second injection molded article 10 or 20. The nose pedestal (50) may be integrally formed with the first and second extruded materials. Most preferably, it is preferable that only the nose pedestal 50 is detachable so as to be replaceable.

Referring to FIG. 1, the point portion 21 is an embodiment, and its shape and color can be variously modified by the maker, so that the first exposed portion 31 ) As shown in Fig.

The exposed point portion 21 is composed of an urethane material and is peeled off due to a general coating and is not easily erased, so that a high-grade and durable glasses frame can be manufactured.

In addition, as shown in FIG. 3,

The space portion 12 can be constituted by the point portion 21 as shown in FIG. 3 [F], and the first molded article 10 (10), which is a section outside the space portion 12, ) And the second injection molding 20 can be structured so as to be in contact with each other as shown in Fig. 3 [E].

3 (A) to 3 (D), the coupling relationship between the first and second extruded articles 10 and 20 is detected by the separation preventing means 40 as the non-display portion 41 and the display portion 42 ). ≪ / RTI >

3 (A) and 3 (B) are constituted by a male member and a female member, the first molded product 10 is injection-molded in the same manner as the first water member 41a, The first arm member 41b can be injection-molded so that the first arm member 41b is constrained to the shape of the male member 41a, so that the engagement of the first and second injection members 10 and 20 can be more firmly maintained.

3 [C] and [D] show variations of the display unit 42
The point portion 21 (the display portion 42) of the second molded article 20 is formed so that the space portion 12 of the first molded article 10 and the point portion 21 of the second molded article 20 constitute separation preventing means And the second arm member 42b which is the space portion 12 of the first molded article 10 is gradually decreased in the direction toward the rear side as the second water member 42a, So that the first and second injection molded articles 10 and 20 can be easily separated or separated from each other.

The display unit 42 and the non-display unit 41 are formed by spatially displaying a portion of the first molded article 10 on which the second molded article 20 is exposed or unexposed, The portion 21 is not shown.

4, the hinge member including the first and second exposed portions 31 and 32, in parallel with or after the step of molding the first and second molded articles 10 and 20, 30 are insert-injected together with the first and second extruded articles 10, 20 so as to be integrally formed, thereby reducing the risk of breakage.

Also, the hinge member 30 connecting the eyeglass frame and the leg portion of the ultem material, which has been the most problematic due to the breakage, is improved as follows.

The hinge member 30 includes a first exposed portion 31 exposed on the front surface of the lens mount 11, a second exposed portion 32 exposed to be connected to a leg member (not shown) on the rear surface, And an engaging portion 33 which is engaged with the second injection molding.

Generally, the hinge member 30 is formed with a 'B' -shaped vertical side so as to be coupled with a leg member (not shown) to be able to rotate to adjust the angle of the leg member, So as to firmly support the leg members.

However, in the present invention, as shown in FIG. 4, the 'a' -shaped vertical opening is formed through the first and second extruded articles 10 and 20 and is exposed together with the first molded article 10, The first and second exposed portions 31 and 32 may be formed of different materials from the first and second exposed portions so that various designs and fashion can be produced.

The hinge member 30 may be made of a different material from the first and second injection molded articles 10 and 20, but may be made of a synthetic resin material having heat resistance and durability similar to those of the urethane material. Further, the first exposed portion 31 may be coated with a protective film to form the coating portion 34 to further enhance the heat resistance, and it is preferable to configure the first exposed portion 31 so that design and fashion presentation can be expressed more effectively by coating.

In addition to the different color expressions of the first and second extruded materials, it is possible to additionally produce a three-color rendering or a three-dimensional shape, thereby enhancing the design function, and also capable of directing the second exposure unit 32 connected to the leg member, It can meet the desire and can enhance the market competitiveness of the product.

Also, the first exposed portion 31 of the hinge member 30 may be formed of a first molded product made of an urethane material and a different material, and may be made of the same material as the second molded product 20. Further, it may be composed of the same material as the first injection material, and may be composed of the second injection material 20 and a different material. In addition, the first and second extruded articles 10 and 20 are both made of different materials, and can be provided in a compact and wide variety of directions in the spectacle frame P.

A metal frame (not shown) similar to the shape of the first exposed portion 31 is inserted into the hinge member 30 so that the spectacle frame P and the leg members (not shown) Can be combined.

The present invention is not limited to the above-described embodiment, but may be embodied in the following claims. The present invention is not limited to the above- It will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

P: Eyeglass frame with dual injection of urethane
10: First Injection Mold 11: Lens mount
12: space part 13: mounting groove
20: Second Injection 21: Point part
30: hinge member 31: first exposed portion
32: second exposed portion 33:
34: coating part 40: separation preventing means
41: non-display portion 41a:
41b: first arm member 42: display portion
42a: second water member 42b: second arm member
50: Nose Support

Claims (4)

(a) manufacturing a first injection molded article (10) including a lens mount (11) and made of Ultem material;
(b) fabricating a second injection molded article (20) of an ultram material on the front side, the rear side, or both, corresponding to the first molded article (10);
(c) insert-injecting the hinge member (30) including the first and second exposed portions (31) and (32)

The resin injected in the step (b) is composed of a color different from that of the resin injected in the step (a)
In the step (a), the space 12 is formed in the first injection molded article 10 at any part of the periphery of the lens mount 11,
In the step (b), the pointed portion 21 is formed in the second molded article 20 by filling the space 12 of the first molded article 10,

The first molded article 10 has a first male member 41a and the second molded article 20 has a first female member 41b so as to be confined to the first male member 41a, Preventing means 40,
The second water member (the second water member) 20, which is the point portion 21 of the second injection product 20, is arranged so that the space portion 12 of the first injection product 10 and the point portion 21 of the second injection product 20 constitute separation preventing means The second arm member 42b which is the space portion 12 of the first molded article 10 is gradually decreased in the direction toward the rear surface,

The hinge member 30 of the step (c) includes a first exposed portion 31 exposed on the front surface of the lens mount 11, a second exposed portion 32 exposed to the rear surface of the lens mount 11, And an engaging portion (33) to be engaged with the second injection molded body,
The first and second exposed portions 31 and 32 are formed by passing through the first and second extruded products 10 and 20 while being protruded in a ' 1 and the second injection molding are different from each other. The method according to claim 1,
The mounting groove 13 is formed on the circumferential surface of the lens mounting portion 11 in the shape of a "
'

Type mounting groove 13,

'Portion is formed in the first injection molded article 10,

Is formed in the second injection molding (20). ≪ RTI ID = 0.0 > 11. < / RTI >
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