CA1147121A - Procede de moulage, et moule correspondant, notamment pour moulage de lentilles ophtalmiques en matiere organique - Google Patents
Procede de moulage, et moule correspondant, notamment pour moulage de lentilles ophtalmiques en matiere organiqueInfo
- Publication number
- CA1147121A CA1147121A CA000345681A CA345681A CA1147121A CA 1147121 A CA1147121 A CA 1147121A CA 000345681 A CA000345681 A CA 000345681A CA 345681 A CA345681 A CA 345681A CA 1147121 A CA1147121 A CA 1147121A
- Authority
- CA
- Canada
- Prior art keywords
- molding
- mold
- shell
- transformable
- cavity
- 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.)
- Expired
Links
- 238000000465 moulding Methods 0.000 title claims abstract description 103
- 238000000034 method Methods 0.000 title claims description 6
- 230000008569 process Effects 0.000 title claims description 6
- 239000011368 organic material Substances 0.000 title abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000012943 hotmelt Substances 0.000 claims abstract description 10
- 230000002028 premature Effects 0.000 claims description 17
- 239000005416 organic matter Substances 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 241000238367 Mya arenaria Species 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 238000013270 controlled release Methods 0.000 claims 1
- 241000219739 Lens Species 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 241000237536 Mytilus edulis Species 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 235000020638 mussel Nutrition 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000010112 shell-mould casting Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- FUVQYVZTQJOEQT-UHFFFAOYSA-N 1-[6-(dimethylamino)naphthalen-2-yl]ethanone Chemical compound C1=C(C(C)=O)C=CC2=CC(N(C)C)=CC=C21 FUVQYVZTQJOEQT-UHFFFAOYSA-N 0.000 description 1
- MBEVSMZJMIQVBG-UHFFFAOYSA-N 2-(hydroxymethyl)guanidine Chemical compound NC(N)=NCO MBEVSMZJMIQVBG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 101100536354 Drosophila melanogaster tant gene Proteins 0.000 description 1
- 235000014647 Lens culinaris subsp culinaris Nutrition 0.000 description 1
- 241001674048 Phthiraptera Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 241001237728 Precis Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000013037 co-molding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- MWNQXXOSWHCCOZ-UHFFFAOYSA-L sodium;oxido carbonate Chemical compound [Na+].[O-]OC([O-])=O MWNQXXOSWHCCOZ-UHFFFAOYSA-L 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- B29D11/00528—Consisting of two mould halves joined by an annular gasket
-
- 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
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
-
- 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
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/40—Compensating volume change, e.g. retraction
-
- 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
- B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
-
- 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
- B29D11/00538—Feeding arrangements
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)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7904308 | 1979-02-20 | ||
| FR7904308A FR2449522A1 (fr) | 1979-02-20 | 1979-02-20 | Procede de moulage, et moule correspondant, notamment pour moulage de lentilles ophtalmiques en matiere organique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1147121A true CA1147121A (fr) | 1983-05-31 |
Family
ID=9222208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000345681A Expired CA1147121A (fr) | 1979-02-20 | 1980-02-14 | Procede de moulage, et moule correspondant, notamment pour moulage de lentilles ophtalmiques en matiere organique |
Country Status (7)
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS260213B1 (en) * | 1986-03-05 | 1988-12-15 | Jiri Sulc | Method of polymerization casting of articles especially lenses from hydrophilic gels and equipment for realization of this method |
| US4898702A (en) * | 1988-04-04 | 1990-02-06 | Cordis Corporation | Method and apparatus for removal of a wire mandrel from a catheter |
| US5021109A (en) * | 1989-12-29 | 1991-06-04 | Xerox Corporation | Method of preparing a multilayered belt |
| US5204126A (en) * | 1990-02-06 | 1993-04-20 | Nanofilm Corporation | Mold surfaces with ultra thin release films |
| US5542978A (en) * | 1994-06-10 | 1996-08-06 | Johnson & Johnson Vision Products, Inc. | Apparatus for applying a surfactant to mold surfaces |
| US5690865A (en) * | 1995-03-31 | 1997-11-25 | Johnson & Johnson Vision Products, Inc. | Mold material with additives |
| US5849209A (en) * | 1995-03-31 | 1998-12-15 | Johnson & Johnson Vision Products, Inc. | Mold material made with additives |
| US6663801B2 (en) * | 2001-04-06 | 2003-12-16 | Johnson & Johnson Vision Care, Inc. | Silicon carbide IR-emitter heating device and method for demolding lenses |
| AU2003214546A1 (en) * | 2002-04-05 | 2003-10-20 | Koninklijke Philips Electronics N.V. | A mould, a method of manufacturing the same as well as its use |
| JP4708023B2 (ja) * | 2002-08-16 | 2011-06-22 | ジョンソン・アンド・ジョンソン・ビジョン・ケア・インコーポレイテッド | コンタクトレンズ製造用成形型 |
| US20070267765A1 (en) * | 2006-05-18 | 2007-11-22 | Ansell Scott F | Biomedical device mold |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2279859A (en) * | 1940-04-11 | 1942-04-14 | Goodrich Co B F | Mold lubricant |
| US3077005A (en) * | 1959-04-17 | 1963-02-12 | Republic Aviat Corp | Method of molding synthetic resins |
| US3210448A (en) * | 1962-04-17 | 1965-10-05 | Mobay Chemical Corp | Method of molding a cellular polyurethane article having a porous surface |
| FR1365803A (fr) * | 1963-08-08 | 1964-07-03 | Jenaer Glaswerk Schott & Gen | Procédé de fabrication de corps optiques en matières plastiques |
| US3380718A (en) * | 1964-07-20 | 1968-04-30 | Neefe Hamilton Res Company | Process for molding high quality plastic lenses |
| US3423488A (en) * | 1966-05-11 | 1969-01-21 | Ppg Industries Inc | Process for casting resinous lenses in thermoplastic cast replica molds |
| GB1230370A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-11-15 | 1971-04-28 | ||
| GB1362993A (en) * | 1971-08-09 | 1974-08-14 | Mullard Ltd | Manufacture of optical elements |
| GB1364393A (en) * | 1972-11-22 | 1974-08-21 | Mullard Ltd | Manufacture of optical elements |
| US3821333A (en) * | 1973-03-21 | 1974-06-28 | American Optical Corp | Gasket for lens mold from a blend of epdm and ethylene/vinyl acetate copolymer |
| JPS5148664B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-03-23 | 1976-12-22 | ||
| US3938775A (en) * | 1973-08-20 | 1976-02-17 | Sarofeen George M J | Mold assembly for casting synthetic lenses |
| US3944637A (en) * | 1974-02-11 | 1976-03-16 | Buckbee-Mears Company | Increasing the yield of cast plastic lenses |
| JPS5852813B2 (ja) * | 1976-08-27 | 1983-11-25 | 日本コンタクトレンズ製造株式会社 | 成形型より成形物を剥離する方法 |
-
1979
- 1979-02-20 FR FR7904308A patent/FR2449522A1/fr active Granted
-
1980
- 1980-02-04 DE DE8080400165T patent/DE3067306D1/de not_active Expired
- 1980-02-04 EP EP80400165A patent/EP0015181B1/fr not_active Expired
- 1980-02-14 CA CA000345681A patent/CA1147121A/fr not_active Expired
- 1980-02-15 US US06/121,912 patent/US4311654A/en not_active Expired - Lifetime
- 1980-02-19 AU AU55677/80A patent/AU536742B2/en not_active Ceased
- 1980-02-20 JP JP2036280A patent/JPS55114535A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3067306D1 (en) | 1984-05-10 |
| JPH0338968B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-06-12 |
| AU5567780A (en) | 1980-08-28 |
| AU536742B2 (en) | 1984-05-24 |
| US4311654A (en) | 1982-01-19 |
| EP0015181B1 (fr) | 1984-04-04 |
| FR2449522B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1982-02-12 |
| FR2449522A1 (fr) | 1980-09-19 |
| JPS55114535A (en) | 1980-09-03 |
| EP0015181A1 (fr) | 1980-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |