FR2270082A1 - - Google Patents

Info

Publication number
FR2270082A1
FR2270082A1 FR7513915A FR7513915A FR2270082A1 FR 2270082 A1 FR2270082 A1 FR 2270082A1 FR 7513915 A FR7513915 A FR 7513915A FR 7513915 A FR7513915 A FR 7513915A FR 2270082 A1 FR2270082 A1 FR 2270082A1
Authority
FR
France
Prior art keywords
reservoir
polymerization
cavity
mould
moulding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7513915A
Other languages
English (en)
French (fr)
Other versions
FR2270082B1 (ja
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bausch and Lomb Inc
Original Assignee
Bausch and Lomb Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bausch and Lomb Inc filed Critical Bausch and Lomb Inc
Publication of FR2270082A1 publication Critical patent/FR2270082A1/fr
Application granted granted Critical
Publication of FR2270082B1 publication Critical patent/FR2270082B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0888—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using transparant moulds
    • B29C35/0894—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using transparant moulds provided with masks or diaphragms
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/005—Compensating volume or shape change during moulding, in general
    • 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
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • 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
    • B29C43/38—Moulds for making articles of definite length, i.e. discrete articles with means to avoid flashes
    • 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
    • B29D11/00432—Auxiliary operations, e.g. machines for filling the moulds
    • B29D11/00442—Curing the lens material
    • 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
    • B29D11/00932—Combined cutting and grinding thereof
    • B29D11/00942—Combined cutting and grinding thereof where the lens material is mounted in a support for mounting onto a cutting device, e.g. a lathe, and where the support is of machinable material, e.g. plastics
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0827—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using UV radiation
    • 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
    • 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
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/76—Office equipment or accessories
    • B29L2031/7602—Maps
FR7513915A 1974-05-06 1975-05-05 Expired FR2270082B1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46693374A 1974-05-06 1974-05-06
US56440375A 1975-04-08 1975-04-08

Publications (2)

Publication Number Publication Date
FR2270082A1 true FR2270082A1 (ja) 1975-12-05
FR2270082B1 FR2270082B1 (ja) 1977-11-18

Family

ID=27041840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7513915A Expired FR2270082B1 (ja) 1974-05-06 1975-05-05

Country Status (7)

Country Link
JP (1) JPS598219B2 (ja)
CA (1) CA1070066A (ja)
DE (1) DE2518905C2 (ja)
FR (1) FR2270082B1 (ja)
GB (1) GB1511901A (ja)
IT (1) IT1032811B (ja)
SE (1) SE418822B (ja)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345279A1 (fr) * 1976-03-24 1977-10-21 Shepherd Thomas Appareil pour la production de lentilles corneennes et procede d'utilisation
FR2399043A1 (fr) * 1977-07-25 1979-02-23 American Optical Corp Lentille de contact, son appareil et sa methode de fabrication
FR2402525A1 (fr) * 1977-09-12 1979-04-06 Toray Industries Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus
FR2425314A1 (fr) * 1978-05-12 1979-12-07 Italiana Lenti Procede de fabrication de lentilles en resines synthetiques polymerisables
FR2456600A1 (fr) * 1979-05-14 1980-12-12 American Optical Corp Moule jetable pour la fabrication directe de lentilles de contact finies
FR2477059A1 (fr) * 1980-02-28 1981-09-04 Medicornea Sa Procede de fabrication par moulage de lentilles de contact et lentilles obtenues
FR2477058A1 (fr) * 1980-02-28 1981-09-04 Medicornea Sa Procede de fabrication par moulage de lentilles de contact, et lentilles obtenues
EP0064381A2 (en) * 1981-04-30 1982-11-10 Mia-Lens Production A/S Soft contact lenses and manufacture thereof
FR2523505A2 (fr) * 1982-03-17 1983-09-23 Medicornea Sa Procede perfectionne pour la fabrication, par moulage, de lentilles de contact et dispositif de mise en oeuvre
WO1993004848A1 (en) * 1991-09-12 1993-03-18 Bausch & Lomb Incorporated Method and apparatus for molding lenses
WO1998036889A1 (en) * 1997-02-21 1998-08-27 Novartis Ag Apparatus for the photo-initiated chemical cross-linking of material

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6030529B2 (ja) * 1977-04-28 1985-07-17 日本コンタクトレンズ製造株式会社 シリコン樹脂製コンタクトレンズの製造用成形型
US4155962A (en) * 1977-05-25 1979-05-22 Neefe Optical Laboratory, Inc. Method of removing molded lenses from the mold
DE2938098C2 (de) * 1979-09-20 1983-02-03 Deutsche Spezialglas Ag, 3223 Delligsen Gießharzmischung zur Herstellung von Kunststoff-Formkörpern mit optischer Oberflächenqualität und ihre Verwendung
JPS6370619U (ja) * 1986-10-29 1988-05-12
US4913857A (en) * 1987-04-03 1990-04-03 Kei Mori Method for molding a transparent capsule
JPH01258916A (ja) * 1988-04-09 1989-10-16 Asahi Optical Co Ltd レンズ成形用注形型
JPH0214718U (ja) * 1988-07-13 1990-01-30
US5573108A (en) * 1988-11-02 1996-11-12 British Technology Group Ltd. Disposable contact lens package
DE68923345T2 (de) * 1988-11-02 1995-12-21 British Tech Group Giessen von Kontaktlinsen.
US5254000A (en) * 1992-04-23 1993-10-19 Corning Incorporated Organic polymer lens mold
JPH10315252A (ja) * 1997-05-20 1998-12-02 Menicon Co Ltd レンズブランク成形用型及びコンタクトレンズの製造方法
US6368522B1 (en) * 2000-01-03 2002-04-09 Johnson & Johnson Vision Care, Inc. Mold for forming a contact lens and method of preventing formation of small strands of contact lens material during contact lens manufacture
DE102009055080B4 (de) * 2009-12-21 2019-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung zum Herstellen einer Struktur, Abformwerkzeug
DE102009055088B4 (de) 2009-12-21 2015-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Herstellen einer Struktur, optisches Bauteil, optischer Schichtstapel
JP5558152B2 (ja) * 2010-03-23 2014-07-23 京セラメディカル株式会社 光グラフト重合用レンズおよび製膜装置
SG192187A1 (en) * 2011-02-28 2013-08-30 Coopervision Int Holding Co Lp Phosphine-containing hydrogel contact lenses
GB201302268D0 (en) * 2013-02-08 2013-03-27 Ocutec Ltd Molding Apparatus and Method
CN110341096B (zh) * 2019-07-10 2020-12-25 苏州瑞尔康科技有限公司 一种50％含水量隐形眼镜模压模具及其制作方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2728106A (en) * 1950-09-08 1955-12-27 American Optical Corp Means for producing optical elements
US2890486A (en) * 1955-08-29 1959-06-16 American Optical Corp Mold for producing lens of any shape from a polymerizable material
GB847797A (en) * 1955-12-30 1960-09-14 Combined Optical Ind Ltd Improvements in or relating to the casting of synthetic resins
DE1945321A1 (de) * 1969-09-06 1971-03-11 Zeiss Carl Fa Verfahren zur Herstellung von optischen Elementen aus duroplastischen Kunststoffen

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345279A1 (fr) * 1976-03-24 1977-10-21 Shepherd Thomas Appareil pour la production de lentilles corneennes et procede d'utilisation
FR2399043A1 (fr) * 1977-07-25 1979-02-23 American Optical Corp Lentille de contact, son appareil et sa methode de fabrication
FR2402525A1 (fr) * 1977-09-12 1979-04-06 Toray Industries Procede de fabrication de compositions de lentilles de contact molles et nouveaux produits ainsi obtenus
FR2425314A1 (fr) * 1978-05-12 1979-12-07 Italiana Lenti Procede de fabrication de lentilles en resines synthetiques polymerisables
FR2456600A1 (fr) * 1979-05-14 1980-12-12 American Optical Corp Moule jetable pour la fabrication directe de lentilles de contact finies
EP0035310B1 (fr) * 1980-02-28 1983-11-23 Alcon Pharmaceuticals Limited Procédé de fabrication par moulage de lentille de contact et lentilles obtenues
FR2477058A1 (fr) * 1980-02-28 1981-09-04 Medicornea Sa Procede de fabrication par moulage de lentilles de contact, et lentilles obtenues
EP0035309B1 (fr) * 1980-02-28 1983-11-23 Alcon Pharmaceuticals Limited Procédé de fabrication par moulage de lentille de contact et lentilles obtenues
FR2477059A1 (fr) * 1980-02-28 1981-09-04 Medicornea Sa Procede de fabrication par moulage de lentilles de contact et lentilles obtenues
EP0064381A2 (en) * 1981-04-30 1982-11-10 Mia-Lens Production A/S Soft contact lenses and manufacture thereof
EP0064381A3 (en) * 1981-04-30 1983-06-22 Mia-Lens Production A/S Soft contact lenses and manufacture thereof
FR2523505A2 (fr) * 1982-03-17 1983-09-23 Medicornea Sa Procede perfectionne pour la fabrication, par moulage, de lentilles de contact et dispositif de mise en oeuvre
EP0089705A1 (fr) * 1982-03-17 1983-09-28 Alcon Pharmaceuticals Limited Procédé perfectionné pour la fabrication, par moulage, de lentilles de contact et dispositif de mise en oeuvre
WO1993004848A1 (en) * 1991-09-12 1993-03-18 Bausch & Lomb Incorporated Method and apparatus for molding lenses
US5271875A (en) * 1991-09-12 1993-12-21 Bausch & Lomb Incorporated Method for molding lenses
US5466147A (en) * 1991-09-12 1995-11-14 Bausch & Lomb Incorporated Apparatus for molding lenses
WO1998036889A1 (en) * 1997-02-21 1998-08-27 Novartis Ag Apparatus for the photo-initiated chemical cross-linking of material

Also Published As

Publication number Publication date
AU8063175A (en) 1976-11-04
DE2518905A1 (de) 1975-11-20
SE7505165L (sv) 1975-11-07
SE418822B (sv) 1981-06-29
CA1070066A (en) 1980-01-22
GB1511901A (en) 1978-05-24
IT1032811B (it) 1979-06-20
FR2270082B1 (ja) 1977-11-18
JPS598219B2 (ja) 1984-02-23
DE2518905C2 (de) 1984-10-04
JPS50151966A (ja) 1975-12-06

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Legal Events

Date Code Title Description
ST Notification of lapse