KR930012273A - 안구용 렌즈 주형 시일 - Google Patents
안구용 렌즈 주형 시일 Download PDFInfo
- Publication number
- KR930012273A KR930012273A KR1019920023166A KR920023166A KR930012273A KR 930012273 A KR930012273 A KR 930012273A KR 1019920023166 A KR1019920023166 A KR 1019920023166A KR 920023166 A KR920023166 A KR 920023166A KR 930012273 A KR930012273 A KR 930012273A
- Authority
- KR
- South Korea
- Prior art keywords
- mold
- knife edge
- female
- male
- lens
- Prior art date
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Classifications
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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
-
- 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
- B29D11/02—Artificial eyes from organic plastic material
- B29D11/023—Implants for natural eyes
-
- 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
- B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
-
- 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
- B29C33/0055—Moulds or cores; Details thereof or accessories therefor with incorporated overflow cavities
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B29C43/3607—Moulds for making articles of definite length, i.e. discrete articles with sealing means or the like
-
- 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
- B29D11/00057—Production of contact lenses characterised by the shape or surface condition of the edge, e.g. flashless, burrless, smooth
-
- 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
- B29D11/00576—Moulds for lenses with means to engage flash, e.g. HEMA ring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0002—Condition, form or state of moulded material or of the material to be shaped monomers or prepolymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
- B29L2011/0041—Contact lenses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/808—Lens mold
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Eyeglasses (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Saccharide Compounds (AREA)
- Sealing Material Composition (AREA)
Abstract
안구용 소프트 렌즈를 성형하기 위한 방법 및 장치는 수형부분 및 암형부분을 포함하며,상기한 부분은 광학면의 외주 주위에 나이프 엣지를 포함하며 나이프 엣지 외주 외측으로 림부싱을 포함한다. 상기 두 부분은 결합되어 나이프 엣지는 다른 부분을 침투병형시킨다. 여분의 재료는 주형공동으로부터 배출되어 린부싱 접촉구역에 의해 한정된 프리폴리머 불연속 지역 근방에서 렌즈로부터 분리된다. 림부싱을 포함한 주형부분은 한 단부의 면상에 림부싱을 갖도록 가공된 환형 슬리브를 사용하여 제조된다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 한쌍의 결합된 주형부분의 단면과 주형방과의 관계를 도시한 도면,
제2도는 변형력의 적용없이 결합한 주형부분을 갖는 본 발명의 특징부의 화대 틀면도,
제3도는 변형 력 이 가해 지고 주7i부재 가 결합된 본 발명의 특징부의 확대 단면도,
제4도는 종래 기술의 나인프 엣지만으로 제조된 전형적인 렌즈 옛지를 257배 확대한 현미경사진,
제5도는 림 부싱과 조합한 나이프 엣지로 제조한 전형적인 렌즈 엣지를 250배 확대한 현미경 사진,
제6도는 본 발명이 주형제조용 장치의 단면도.
Claims (6)
- 안구내의 각막에 위치시키기 위한 안구용 소프트 렌지를 성형하는 주형에 있어서, 오목면을 갖는 암형부분과, 볼록면을 갖는 수형부분과, 나이프 옛지 외측에 있는 원주형 림 부싱을 포함하며, 상기 부분중 하나는 상기 면의 외주 근방에 나이프 엣지를 포함하므로써 상기 암형부분 및 수형부분이 변형없이 결합될 때 상기 나이프 엣지는 안구용 렌지를 형성하는 상기 두 면 사이에 공동을 형성하면서 그 주위근방에서 다른 부분과 선 접촉하며, 상기 림 부싱은 상기 부분중 하나와 결합하여 다른 부분과 인접 한 것을 특징 으로 하는 안구용 소프트 렌즈 성형 주형.
- 제1항에 있어서, 상기 나이프 엣지는 상기 암형 부분상에 위치되는 것을 특징으로 하는 안구용 소프트 렌즈 성형주형.
- 제1항에 있어서, 상기 나이프 엣지는 상기 수형 부분상에 위치되는 것을 특징으로하는 안구용 소프트 렌즈 성형 주형.
- 제1항에 있어서, 상기 나이프 엣지를 포함하는 부분은 상기 림 부싱도 포함하는 것을 특징으로 하는 안구용 소프트 랜즈 성형주형.
- 안구내의 각막에 위치시키기 위한 안구용 소프트 렌즈 제조방법에 있어서, 볼록면 띤 오목면을 갖는 수형주형부분 및 암형주형 부분을 성행하는 성형 단계와, 상기 암형 주형 부분을 뗀즈 성형에 필요한 양을 초과한 프리폴리머로 충천하는 충전단계와, 상기 수형부분을 암형부븐을 포함하는 프리폴리머비 가압하여 결합시퀴는 결합단계 와, 상기 폴리폴리머를 중합시키는 중합단계와, 상기 수형부분 및 암형 부분을 분리시켜 렌즈를 제거하는 제거단계를포함하며, 상기 부분중의 하나는 상기 면의 외주주위에 나이프 엣지를포함하며, 상기 부분중의 하나는 상기 나이프 엣지의 외주외측으로 원주형 림 부심을 포함하며, 상기 결합 단계에서 두부분이 결합할 때 공동은 상기 안구용 렌즈를 한정하는 상기 면사이에 형성되며 그 원주에서 상기 다른 부분과 선 접촉하는 상기 나이프 엣지는 상기 다른 부분을 변형 침투하며 여분의 폴리머는 상기 공동의 외주 근방에 폴래싱랄 형성하는 암형 주형부분의 공동으로부터 배출되며 상기 부분중 하나와 인접하는 상기 림부싱은 상기 렌즈와 폴래싱 사이에 프리폴리머 불연속 지연을 형성하는 다른 부분과 접촉하는 것을 특징으로 하는 안구용 소프트 렌스 제조공법.
- 제5항에 있어서, 상기 수형 및 암형 주형부분의 적어도 하나는, 상기 면의 리버스 이미지를 갖는 상개 주형의 면을 성형하기 위하여 원통형 삽입부의 단부를 가공하는 가공 단계와, 상기 원통형 삽입부의 외경과 거의 동일한 내경을 가지며 응기 림부싱의 리버스 이미지를 갖는 상기 슬리브상에 환형 단부를 갖는 환형 슬리브를 가공하는 가공 단계와, 상기 삽입부의 면과 환형 슬리브가 동축정렬되도록 상기 삽입부를 환형 슬리브내에 위치시키는 단게와. 상기 정렬된 삽입부의 면과슬리브 조합부 근방에 상기 주형부를 성형하는 성형 단계를 포함하는 것을 특징으로 하는 안구용 소프트 렌즈 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US802,808 | 1991-12-06 | ||
US07/802,808 US5238388A (en) | 1991-12-06 | 1991-12-06 | Ophthalmic lens mold seal |
Publications (2)
Publication Number | Publication Date |
---|---|
KR930012273A true KR930012273A (ko) | 1993-07-20 |
KR100245140B1 KR100245140B1 (ko) | 2000-02-15 |
Family
ID=25184761
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920023166A KR100245140B1 (ko) | 1991-12-06 | 1992-12-03 | 안구용 렌즈 주형 시일 |
Country Status (20)
Country | Link |
---|---|
US (2) | US5238388A (ko) |
EP (1) | EP0545720B1 (ko) |
JP (1) | JP3219876B2 (ko) |
KR (1) | KR100245140B1 (ko) |
AT (1) | ATE139734T1 (ko) |
AU (1) | AU652109B2 (ko) |
BR (1) | BR9204850A (ko) |
CA (1) | CA2084634C (ko) |
CZ (1) | CZ356892A3 (ko) |
DE (1) | DE69211820T2 (ko) |
DK (1) | DK0545720T3 (ko) |
ES (1) | ES2091416T3 (ko) |
FI (1) | FI925521A (ko) |
GR (1) | GR1002277B (ko) |
IL (1) | IL103838A (ko) |
MX (1) | MX9207040A (ko) |
NO (1) | NO924673L (ko) |
NZ (1) | NZ245160A (ko) |
SK (1) | SK356892A3 (ko) |
ZA (1) | ZA929449B (ko) |
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US9481138B2 (en) | 2013-03-15 | 2016-11-01 | Johnson & Johnson Vision Care, Inc. | Sealing and encapsulation in energized ophthalmic devices with annular inserts |
GB2521628A (en) * | 2013-12-23 | 2015-07-01 | Sauflon Cl Ltd | Contact lens mould |
US9938034B2 (en) | 2014-12-19 | 2018-04-10 | Coopervision International Holding Company, Lp | Method and apparatus relating to manufacture of molds for forming contact lenses |
US9937640B2 (en) | 2014-12-19 | 2018-04-10 | Coopervision International Holding Company, Lp | Apparatus and method for closure of ophthalmic lens molds |
US10137612B2 (en) | 2014-12-19 | 2018-11-27 | Coopervision International Holding Company, Lp | Methods and apparatus for manufacture of ophthalmic lenses |
GB2533407B (en) * | 2014-12-19 | 2018-10-03 | Coopervision Int Holding Co Lp | Apparatus and method for closure of ophthalmic lens molds |
US10029402B2 (en) | 2014-12-19 | 2018-07-24 | Coopervision International Holding Company, Lp | Method and apparatus for manufacturing contact lenses |
US9764501B2 (en) | 2014-12-19 | 2017-09-19 | Coopervision International Holding Company, Lp | Contact lens mold parts, contact lens mold assemblies, and methods of making contact lenses |
CN114670374B (zh) * | 2022-04-08 | 2023-10-24 | 成都希瑞方晓科技有限公司 | 一种密封胶帽成型模具 |
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US4121896A (en) * | 1976-03-24 | 1978-10-24 | Shepherd Thomas H | Apparatus for the production of contact lenses |
FR2416104A1 (fr) * | 1978-02-07 | 1979-08-31 | Essilor Int | Dispositif de moulage, en particulier pour lentille de contact souple |
US4208365A (en) * | 1978-12-20 | 1980-06-17 | National Patent Development Corporation | Method and apparatus for molding toric contact lenses |
US4209289A (en) * | 1979-05-14 | 1980-06-24 | American Optical Corporation | Contact lens mold |
US4284399A (en) * | 1980-06-23 | 1981-08-18 | American Optical Corporation | Contact lens mold |
US4565348A (en) * | 1981-04-30 | 1986-01-21 | Mia-Lens Production A/S | Mold for making contact lenses, the male mold member being more flexible than the female mold member |
US4495313A (en) * | 1981-04-30 | 1985-01-22 | Mia Lens Production A/S | Preparation of hydrogel for soft contact lens with water displaceable boric acid ester |
US4640489A (en) * | 1981-04-30 | 1987-02-03 | Mia-Lens Production A/S | Mold for making contact lenses, either the male or female mold sections being relatively more flexible |
NZ200362A (en) * | 1981-04-30 | 1985-10-11 | Mia Lens Prod | A method of forming a hydrophilic polymer suitable for use in the manufacture of soft contact lenses and a mould for use in the polymerization |
US4407766A (en) * | 1981-05-26 | 1983-10-04 | National Patent Development Corporation | Molds and procedure for producing truncated contact lenses |
US4681295A (en) * | 1983-05-26 | 1987-07-21 | International Hydron Corporation | Tricurve optical metal master mold and method of making |
GB8601967D0 (en) * | 1986-01-28 | 1986-03-05 | Coopervision Optics | Manufacturing contact lenses |
GB8606505D0 (en) * | 1986-03-17 | 1986-04-23 | Sealey M J | Contact lens mould |
CA1320322C (en) * | 1987-11-30 | 1993-07-20 | Jeffrey R. Robinson | Method and mold for imprinting moldable food stuffs and method and apparatus for making the mold |
US4865779A (en) * | 1987-12-15 | 1989-09-12 | Minnesota Mining And Manufacturing Company | Lens molding apparatus and method |
ES2038280T3 (es) * | 1988-08-26 | 1993-07-16 | Recticel | Dispositivo y metodo para encapsular por lo menos parcialmente un elemento de forma sustancialmente laminar. |
US4889664A (en) * | 1988-11-25 | 1989-12-26 | Vistakon, Inc. | Method of forming shaped hydrogel articles including contact lenses |
GB8900616D0 (en) * | 1989-01-12 | 1989-03-08 | Galley Geoffrey H | Methods of manufacturing contact lenses |
GB8909781D0 (en) * | 1989-04-28 | 1989-06-14 | Sealey Michael J | Lens mould |
GB8919533D0 (en) * | 1989-08-29 | 1989-10-11 | Mjs Scient Ltd | Contact lens mould |
IL97175A (en) * | 1990-03-16 | 1996-01-31 | Ciba Geigy | Pattern for casting contact lenses |
-
1991
- 1991-12-06 US US07/802,808 patent/US5238388A/en not_active Expired - Lifetime
-
1992
- 1992-11-17 NZ NZ245160A patent/NZ245160A/en unknown
- 1992-11-18 AU AU28461/92A patent/AU652109B2/en not_active Expired
- 1992-11-23 IL IL10383892A patent/IL103838A/en not_active IP Right Cessation
- 1992-11-26 GR GR920100525A patent/GR1002277B/el unknown
- 1992-12-03 NO NO92924673A patent/NO924673L/no unknown
- 1992-12-03 KR KR1019920023166A patent/KR100245140B1/ko not_active IP Right Cessation
- 1992-12-04 FI FI925521A patent/FI925521A/fi not_active Application Discontinuation
- 1992-12-04 ZA ZA929449A patent/ZA929449B/xx unknown
- 1992-12-04 EP EP92311067A patent/EP0545720B1/en not_active Expired - Lifetime
- 1992-12-04 MX MX9207040A patent/MX9207040A/es not_active IP Right Cessation
- 1992-12-04 CZ CS923568A patent/CZ356892A3/cs unknown
- 1992-12-04 DE DE69211820T patent/DE69211820T2/de not_active Expired - Lifetime
- 1992-12-04 BR BR9204850A patent/BR9204850A/pt not_active IP Right Cessation
- 1992-12-04 CA CA002084634A patent/CA2084634C/en not_active Expired - Lifetime
- 1992-12-04 ES ES92311067T patent/ES2091416T3/es not_active Expired - Lifetime
- 1992-12-04 DK DK92311067.0T patent/DK0545720T3/da active
- 1992-12-04 JP JP35015992A patent/JP3219876B2/ja not_active Expired - Lifetime
- 1992-12-04 SK SK3568-92A patent/SK356892A3/sk unknown
- 1992-12-04 AT AT92311067T patent/ATE139734T1/de not_active IP Right Cessation
- 1992-12-15 US US07/990,956 patent/US5395558A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5238388A (en) | 1993-08-24 |
ATE139734T1 (de) | 1996-07-15 |
NO924673L (no) | 1993-06-07 |
AU2846192A (en) | 1993-06-10 |
BR9204850A (pt) | 1993-06-08 |
NZ245160A (en) | 1995-05-26 |
AU652109B2 (en) | 1994-08-11 |
MX9207040A (es) | 1993-06-01 |
DE69211820T2 (de) | 1996-11-28 |
IL103838A0 (en) | 1993-04-04 |
GR1002277B (el) | 1996-05-02 |
IL103838A (en) | 1995-03-15 |
GR920100525A (el) | 1993-08-31 |
FI925521A0 (fi) | 1992-12-04 |
DK0545720T3 (da) | 1996-07-29 |
ZA929449B (en) | 1994-06-04 |
ES2091416T3 (es) | 1996-11-01 |
EP0545720B1 (en) | 1996-06-26 |
CA2084634C (en) | 2004-08-24 |
KR100245140B1 (ko) | 2000-02-15 |
CZ356892A3 (en) | 1993-08-11 |
DE69211820D1 (de) | 1996-08-01 |
FI925521A (fi) | 1993-06-07 |
US5395558A (en) | 1995-03-07 |
CA2084634A1 (en) | 1993-06-07 |
JPH06208090A (ja) | 1994-07-26 |
SK356892A3 (en) | 1995-01-05 |
JP3219876B2 (ja) | 2001-10-15 |
NO924673D0 (no) | 1992-12-03 |
EP0545720A1 (en) | 1993-06-09 |
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