KR200401904Y1 - Mold For Manufacturing The Contact Lens - Google Patents
Mold For Manufacturing The Contact Lens Download PDFInfo
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- KR200401904Y1 KR200401904Y1 KR20-2005-0026081U KR20050026081U KR200401904Y1 KR 200401904 Y1 KR200401904 Y1 KR 200401904Y1 KR 20050026081 U KR20050026081 U KR 20050026081U KR 200401904 Y1 KR200401904 Y1 KR 200401904Y1
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- Prior art keywords
- contact lens
- mold
- manufacturing
- curved
- edge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/0048—Moulds for lenses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00038—Production of contact lenses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Eyeglasses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
본 고안은 콘택트렌즈 제조용 몰드에 관한 것으로서, 더 상세하게는 내부가 빈 형상으로서 상부에 콘택트렌즈의 오목면을 형성하는 만곡부(10)가 형성되어 있는 콘택트렌즈 제조용 몰드에 있어서,The present invention relates to a mold for manufacturing a contact lens, and more particularly, in a mold for manufacturing a contact lens, in which a curved portion 10 is formed on the upper part to form a concave surface of the contact lens.
상기 만곡부(10) 가장자리에 직벽(16)이 형성되되 직벽(16)의 하단측으로 콘택트렌즈의 가장자리 형상을 결정하는 만곡홈(18)이 형성됨을 특징으로 하여, The straight wall 16 is formed at the edge of the curved portion 10, characterized in that the curved groove 18 is formed to determine the edge shape of the contact lens toward the lower side of the straight wall 16,
몰드를 통해 콘택트렌즈의 끝단을 부드러운 호형으로 형성할 수 있게 됨에 따라 끝단을 재차 연마하여야 하는 공정이 불필요하게 되어 제작공정이 단순화되며, 나아가 끝단이 호형으로 형성되어 착용감이 향상된 콘택트렌즈를 얻을 수 있게 되는 콘택트렌즈 제조용 몰드에 관한 것이다.Since the end of the contact lens can be formed into a smooth arc through the mold, the process of polishing the end again is unnecessary, and the manufacturing process is simplified, and the end is formed into an arc to obtain a contact lens with improved fit. It relates to a mold for producing a contact lens.
Description
본 고안은 콘택트렌즈 제조용 몰드에 관한 것으로서, 더 상세하게는 콘택트렌즈의 오목면을 결정하는 숫 몰드의 구조를 개선하여 렌즈의 가장자리가 부드러운 곡면을 형성하도록 하여 가공성을 향상시킴과 아울러 착용감이 향상된 콘택트렌즈를 얻을 수 있는 콘택트렌즈 제조용 몰드에 관한 것이다.The present invention relates to a mold for manufacturing a contact lens, and more particularly, to improve the workability by improving the structure of the male mold that determines the concave surface of the contact lens so that the edge of the lens forms a smooth curved surface, and also improves the wear comfort. A mold for producing a contact lens from which a lens can be obtained.
일반적으로 콘택트렌즈는 제조용 몰드를 이용하여 제조하고 있는데, 숫몰드와 암몰드를 별도록 제작하여 마련한 다음 암몰드에 액상의 콘택트렌즈 재료인 단량체를 주입하고 숫몰드를 대응시켜 콘택트렌즈의 오목면과 엣지(edge)를 형성할 수 있게 된다. 이와 같은 콘택트렌즈 제조용 숫몰드(이하 '몰드'라고만 한다)는 실용신안등록 제20-347020호 "콘택트렌즈의 주형몰드 사출성형장치"등을 통해 제조하고 있으며, 도 4 내지 도 7 에 도시된 바와 같은 형상이다.In general, the contact lens is manufactured using a manufacturing mold, and the male mold and the female mold are manufactured separately, and then injected into the female mold by injecting a monomer, which is a liquid contact lens material, and the male mold to correspond to the concave surface of the contact lens. It is possible to form an edge. Such a male mold for manufacturing a contact lens (hereinafter referred to as a 'molding') is manufactured through Utility Model Registration No. 20-347020, "Cold Mold Injection Molding Apparatus for Contact Lens," and the like, as shown in FIGS. 4 to 7. It is the same shape.
도 4를 통해 확인할 수 있는 것처럼 몰드의 몸체는 고정구(지그)에 끼울 수 있도록 내부가 빈 형상으로서, 상부에는 콘택트렌즈(20)의 오목면을 결정하는 만곡부(10)가 볼록하게 형성되어 있으며, 그 가장자리를 따라 경사면(14)을 가진 경사돌기(12)가 형성되어 있는 구조이다. As can be seen through Figure 4, the body of the mold has an empty shape to be fitted to the fixture (jig), the upper portion is formed with a convex portion 10, which determines the concave surface of the contact lens 20, convex, The inclined protrusion 12 having the inclined surface 14 is formed along the edge thereof.
도 5 에는 상기와 같은 몰드의 만곡부(10)에 콘택트렌즈가 형성된 상태의 일부확대 단면도가 도시되어 있고, 도 6 에는 종래 콘택트렌즈 제조용 몰드에서 콘택트렌즈가 분리된 상태의 일부확대 단면도가 도시되어 있다.5 is a partially enlarged cross-sectional view of a state in which a contact lens is formed in the curved portion 10 of the mold, and FIG. 6 is a partially enlarged cross-sectional view of a state in which a contact lens is separated from a mold for manufacturing a conventional contact lens. .
도시된 바와 같이 콘택트렌즈(20)는 만곡부(10)에 붙어 있는 상태로 형성되어 있으며, 여기서 콘택트렌즈(20)의 가장자리는 경사면(14)을가진 경사돌기(12)의 형상에 따라 각진 모서리를 형성하게 된다. 이 상태에서 별도의 연마장치에 형성되어 있는 지그에 상기 몰드를 끼워준 다음 콘택트렌즈(20)의 볼록면을 갈아서 성형하여 주게 되는데, 도 7 의 종래 콘택트렌즈 제조용 몰드로 제조된 콘택트렌즈의 일부확대 단면도에 도시된 바와 같이 연마장치를 이용해 갈아내더라도 모서리는 그대로 각진 상태를 유지하고 있어 날카로운 상태를 유지하게 된다.As shown, the contact lens 20 is formed to be attached to the curved portion 10, wherein the edge of the contact lens 20 has an angled edge according to the shape of the inclined protrusion 12 having the inclined surface 14. To form. In this state, the mold is fitted to a jig formed in a separate polishing apparatus, and then the convex surface of the contact lens 20 is ground and molded, and a partially enlarged cross-sectional view of the contact lens manufactured by the mold for manufacturing a conventional contact lens of FIG. As shown in the figure, even when grinding using a polishing apparatus, the edges remain intact and remain sharp.
상기와 같이 종래의 몰드에 의해 콘택트렌즈(20)를 생산할 경우 콘택트렌즈(20)의 가장자리가 날카로운 모서리를 형성함에 따라 눈에 착용하였을 경우 착용감이 현저하게 떨어짐과 아울러 심할 경우 망막을 손상시킬 우려가 있는 것이었다. As described above, when the contact lens 20 is manufactured by a conventional mold, the edge of the contact lens 20 forms sharp edges, so when worn on the eyes, the wearability is remarkably degraded, and in severe cases, the retina may be damaged. It was.
이러한 우려 때문에 상기 만곡부(10)에서 콘택트렌즈를 떼어낸 후 가장자리를 별도로 한번 더 연마하여여 곡면을 유지하도록 하고 있는 예가 있었는 바, 미세한 부분을 연마해야 하기에 작업공정이 어려울 뿐만 아니라 번거롭고 시간이 오래 걸려 생산성이 저하되는 문제점을 유발하고 있는 것이었다.For this reason, there was an example in which the contact lens was removed from the curved portion 10 and the edges were polished once more to maintain the curved surface. Therefore, the work process is not only difficult but time-consuming and long. It caused the problem that productivity was lowered.
본 고안은 상기와 같은 문제점을 해결하기 위해 안출된 것으로서, 생산되는 콘택트렌즈의 가장자리를 부드러운 만곡면으로 형성되도록 한 콘택트렌즈 제조용 몰드를 얻는데 그 목적이 있는 것이다.The present invention has been made to solve the above problems, and the object of the present invention is to obtain a mold for manufacturing a contact lens, the edge of the produced contact lens to be formed in a smooth curved surface.
상기와 같은 목적을 달성하기 위해 본 고안에서는 내부가 빈 형상으로서 상부에 콘택트렌즈의 오목면을 형성하는 만곡부(10)가 형성되어 있는 콘택트렌즈 제조용 몰드에 있어서,In order to achieve the above object, in the present invention, in the mold for manufacturing a contact lens in which a curved portion 10 is formed to form a concave surface of a contact lens at an upper portion thereof with an empty shape,
상기 만곡부(10) 가장자리에 직벽(16)이 형성되되 직벽(16)의 하단측으로 콘택트렌즈의 가장자리 형상을 결정하는 만곡홈(18)이 형성됨을 특징으로 하는 콘택트렌즈 제조용 몰드를 제안한다.The contact lens manufacturing mold is characterized in that the straight wall 16 is formed at the edge of the curved portion 10 and the curved groove 18 is formed to determine the edge shape of the contact lens toward the lower side of the straight wall 16.
이하 본 고안을 첨부된 도면 도 1 내지 도 3을 참고로 하여 더욱 상세하게 살펴보면 다음과 같다.Hereinafter, the present invention will be described in more detail with reference to FIGS. 1 to 3.
먼저 고안의 기본 구성을 살펴보면, 본 고안에 의한 콘택트렌즈 제조용 몰드는, 내부가 빈 형상으로서 상부에 콘택트렌즈의 오목면을 형성하는 만곡부(10)가 형성되어 있는 콘택트렌즈 제조용 몰드에 있어서,Looking at the basic configuration of the present invention, the contact lens manufacturing mold according to the present invention, in the contact lens manufacturing mold in which the curved part 10 for forming the concave surface of the contact lens is formed on the upper side of the hollow shape,
상기 만곡부(10) 가장자리에 직벽(16)이 형성되되 직벽(16)의 하단측으로 콘택트렌즈의 가장자리 형상을 결정하는 만곡홈(18)이 형성됨을 특징으로 하는 것이다.The straight wall 16 is formed at the edge of the curved portion 10, but the curved groove 18 is formed to determine the edge shape of the contact lens toward the lower side of the straight wall 16.
도 1 은 본 고안에 의한 콘택트렌즈 제조용 몰드에 콘택트렌즈가 형성된 상태의 일부확대 단면도이고, 도 2 는 본 고안에 의한 콘택트렌즈 제조용 몰드에서 콘택트렌즈가 분리된 상태의 일부확대 단면도이다.1 is a partially enlarged cross-sectional view of a state in which a contact lens is formed in a mold for manufacturing a contact lens according to the present invention, and FIG. 2 is a partially enlarged cross-sectional view of a state in which a contact lens is separated from a mold for manufacturing a contact lens according to the present invention.
도시된 바와 같이 본 고안에 의한 콘택트렌즈 제조용 몰드의 상부에는 종래와 동일하게 콘택트렌즈(20)의 오목면을 결정하는 만곡부(10)이 형성되어 있으며, 상기 만곡부(10)의 가장자리를 따라서는 직벽(16)이 형성되어 있는데, 이 직벽(60) 아랫부분 즉, 만곡부(10)의 끝단측에는 만곡홈(18)이 형성되어 있다. As shown in the upper portion of the mold for manufacturing a contact lens according to the present invention, a curved portion 10 is formed to determine the concave surface of the contact lens 20 as in the prior art, and a straight wall is formed along the edge of the curved portion 10. Although 16 is formed, the curved groove 18 is formed in the lower part of this straight wall 60, ie, at the end side of the curved part 10. As shown in FIG.
상기 직벽(16)과 만곡홈(18)의 형상 및 크기는 제작될 콘택트렌즈(20)에 따라 약간씩 다르게 하여 형성되는 바, 직벽(16)의 높이는 0.2~1.0mm의 범위에서 실시하고, 직벽(16)의 내측 경사 각도는 콘택트렌즈가 몰드의 만곡부(10)로 부터 잘 이탈될 수 있으면서도 너무 큰 경사가 지지 않도록 수평면으로부터 반시계 방향으로 90~110도의 범위에서 실시하며, 더불어 상기 만곡홈(18)은 부드러운 호형의 홈을 이루도록 하여 그 지름은 바람직 하기로는 0.04~0.12mm의 범위 내에서 선택적으로 채택하게 된다.The shape and size of the straight wall 16 and the curved groove 18 is formed slightly differently according to the contact lens 20 to be produced, the height of the straight wall 16 is carried out in the range of 0.2 ~ 1.0mm, the straight wall Inner inclination angle of the 16 is carried out in the range of 90 to 110 degrees counterclockwise from the horizontal plane so that the contact lens can be well separated from the curved portion 10 of the mold, but not too large inclination, and the curved groove ( 18) forms a smooth arc-shaped groove so that the diameter is preferably selectively selected within the range of 0.04 ~ 0.12mm.
상기와 같이 구성된 몰드에 의해 제작된 콘택트렌즈(20)는 몰드에 붙어있는 상태에서 별도의 연마장치를 이용하여 종래와 같이 볼록면을 갈아낸 다음 떼어내어 콘택트렌즈를 완성하게 되는데, 갈려진 후 완성된 콘택트렌즈(20)을 도 3 을 참고로 하여 설명하면 다음과 같다.The contact lens 20 produced by the mold configured as described above is used to separate the convex surface and remove the contact lens using a separate polishing device in a state where it is attached to the mold to complete the contact lens. The contact lens 20 is described with reference to FIG. 3 as follows.
도 3 은 본 고안의 몰드로 제조된 콘택트렌즈의 일부확대 단면도로서, 그 가장자리는 직벽(16)과 상기 만곡홈(18)에 의해 이루어진 형상과 동일한 형상이되 특히, 끝단이 상기 만곡홈(18)의 형상과 동일하게 만곡져 있다.3 is a partially enlarged cross-sectional view of a contact lens made of a mold of the present invention, the edge of which is the same shape as that formed by the straight wall 16 and the curved groove 18, in particular, the end of the curved groove 18 It is curved similarly to the shape of).
여기서, 연마장치에 의해 갈려진 부분은 도면에 점선(가상선)으로 표시되어 있으며, 도시된 바와 같이 콘택트렌즈(20)의 볼록면 가장자리에 상기 직벽(16)에 의해 형성된 면을 연마장치로 갈아주게 되면 만곡홈(18)에 의해 형성된 호형의 끝단만이 남게 되는 것이다. 따라서, 이러한 연마에 더해 콘택트렌즈(20)를 상기 만곡부(10)에서 떼어낸 후 가장자리 끝단을 한번 더 연마하여 호형으로 형성하여 주지 않더라도 자체로 호형으로 형성되는 것이며, 이로 인해 제작공정이 단순화되는 것이다.Here, the part ground by the polishing apparatus is indicated by a dotted line (virtual line) in the drawing, and the surface formed by the straight wall 16 at the edge of the convex surface of the contact lens 20, as shown, is ground by the polishing apparatus. If given, only the end of the arc formed by the curved groove 18 is left. Therefore, in addition to such polishing, the contact lens 20 is removed from the curved portion 10, and then the edge is polished once again to form an arc even if it is not formed as an arc, thereby simplifying the manufacturing process. .
상기와 같이 몰드를 통해 콘택트렌즈의 끝단을 부드러운 호형으로 형성할 수 있게 됨에 따라 끝단을 재차 연마하여야 하는 공정이 불필요하게 되어 작업공정이 단순화 되며, 나아가 끝단이 호형으로 형성되어 착용감이 향상된 콘택트렌즈를 얻을 수 있게 되는 콘택트렌즈 제조용 몰드를 얻을 수 있는 것이다.As described above, the end of the contact lens can be formed into a smooth arc through the mold, which eliminates the need to polish the end again, thereby simplifying the work process. The mold for manufacturing a contact lens can be obtained.
도 1 은 본 고안에 의한 콘택트렌즈 제조용 몰드에 콘택트렌즈가 형성된 상태의 일부확대 단면도,1 is a partially enlarged cross-sectional view of a state in which a contact lens is formed in a mold for manufacturing a contact lens according to the present invention;
도 2 는 본 고안에 의한 콘택트렌즈 제조용 몰드에서 콘택트렌즈가 분리된 상태의 일부확대 단면도,2 is a partially enlarged cross-sectional view of a state in which a contact lens is separated from a mold for manufacturing a contact lens according to the present invention;
도 3 은 본 고안의 몰드로 제조된 콘택트렌즈의 일부확대 단면도,3 is a partially enlarged cross-sectional view of a contact lens made of a mold of the present invention;
도 4 는 종래 콘택트렌즈 제조용 몰드의 사시도,4 is a perspective view of a mold for manufacturing a conventional contact lens,
도 5 는 종래 콘택트렌즈 제조용 몰드에 콘택트렌즈가 형성된 상태의 일부확대 단면도,5 is a partially enlarged cross-sectional view of a state in which a contact lens is formed in a mold for manufacturing a conventional contact lens;
도 6 는 종래 콘택트렌즈 제조용 몰드에서 콘택트렌즈가 분리된 상태의 일부확대 단면도,6 is a partially enlarged cross-sectional view of a state in which a contact lens is separated from a mold for manufacturing a conventional contact lens;
도 7 은 종래 콘택트렌즈 제조용 몰드로 제조된 콘택트렌즈의 일부확대 단면도,7 is a partially enlarged cross-sectional view of a contact lens manufactured from a mold for manufacturing a conventional contact lens;
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
10 : 만곡부, 12 : 경사돌기,10: curved portion, 12: inclined protrusion,
14 : 경사면, 16 : 직벽,14: inclined surface, 16: straight wall,
18 : 만곡홈, 20 : 콘택트렌즈.18: curved groove, 20: contact lens.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2005-0026081U KR200401904Y1 (en) | 2005-09-09 | 2005-09-09 | Mold For Manufacturing The Contact Lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2005-0026081U KR200401904Y1 (en) | 2005-09-09 | 2005-09-09 | Mold For Manufacturing The Contact Lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR200401904Y1 true KR200401904Y1 (en) | 2005-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR20-2005-0026081U Ceased KR200401904Y1 (en) | 2005-09-09 | 2005-09-09 | Mold For Manufacturing The Contact Lens |
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| Country | Link |
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| KR (1) | KR200401904Y1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101369823B1 (en) | 2006-10-30 | 2014-03-06 | 존슨 앤드 존슨 비젼 케어, 인코포레이티드 | Molds for use in contact lens production |
-
2005
- 2005-09-09 KR KR20-2005-0026081U patent/KR200401904Y1/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101369823B1 (en) | 2006-10-30 | 2014-03-06 | 존슨 앤드 존슨 비젼 케어, 인코포레이티드 | Molds for use in contact lens production |
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