FR1394270A - Perfectionnements à la fabrication de lentilles ophtalmiques en résine thermodurcissable moulée - Google Patents
Perfectionnements à la fabrication de lentilles ophtalmiques en résine thermodurcissable mouléeInfo
- Publication number
- FR1394270A FR1394270A FR964660A FR964660A FR1394270A FR 1394270 A FR1394270 A FR 1394270A FR 964660 A FR964660 A FR 964660A FR 964660 A FR964660 A FR 964660A FR 1394270 A FR1394270 A FR 1394270A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- thermosetting resin
- ophthalmic lenses
- molded thermosetting
- resin ophthalmic
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000011347 resin Substances 0.000 title 1
- 229920005989 resin Polymers 0.000 title 1
- 229920001187 thermosetting polymer Polymers 0.000 title 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
- B29C33/0038—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
- 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
-
- 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
- B29D11/00028—Bifocal lenses; Multifocal lenses
-
- 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
- B29D11/005—Moulds for lenses having means for aligning the front and back moulds
-
- 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
-
- 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
-
- 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)
- Injection Moulding Of Plastics Or The Like (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR964660A FR1394270A (fr) | 1964-02-21 | 1964-02-21 | Perfectionnements à la fabrication de lentilles ophtalmiques en résine thermodurcissable moulée |
DE1504512A DE1504512C3 (de) | 1964-02-21 | 1965-02-10 | Spritzgießform mit einbaubaren Einsätzen zum Herstellen von ringförmigen Kunststoffteilen |
US432718A US3331102A (en) | 1964-02-21 | 1965-02-15 | Production of ophthalmic lenses of moulded thermosetting resin |
GB7090/65A GB1080368A (en) | 1964-02-21 | 1965-02-18 | Improvements in or relating to moulds for the production of ophthalmic lenses of moulded thermosetting resin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR964660A FR1394270A (fr) | 1964-02-21 | 1964-02-21 | Perfectionnements à la fabrication de lentilles ophtalmiques en résine thermodurcissable moulée |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1394270A true FR1394270A (fr) | 1965-04-02 |
Family
ID=8823731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR964660A Expired FR1394270A (fr) | 1964-02-21 | 1964-02-21 | Perfectionnements à la fabrication de lentilles ophtalmiques en résine thermodurcissable moulée |
Country Status (4)
Country | Link |
---|---|
US (1) | US3331102A (fr) |
DE (1) | DE1504512C3 (fr) |
FR (1) | FR1394270A (fr) |
GB (1) | GB1080368A (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3404861A (en) * | 1965-02-22 | 1968-10-08 | Optics Australia Pty Ltd | Optical casting gasket |
US3528135A (en) * | 1968-02-19 | 1970-09-15 | Armorlite Lens Co Inc | Gasket for molding plastic optical elements |
US3806079A (en) * | 1969-07-15 | 1974-04-23 | Beattie Dev Co | Apparatus for simultaneously molding a plurality of plastic lenses |
US3881683A (en) * | 1973-11-29 | 1975-05-06 | American Optical Corp | Gasket for lens mold |
DE3017334A1 (de) * | 1980-05-06 | 1981-11-12 | Maskinfabriken H.B.N. A.p.S., Ringsted | Werkzeug zur herstellung von kunststoff-schutzvorrichtungen in einem guss |
AU544721B2 (en) * | 1980-10-23 | 1985-06-13 | Allergan, Inc. | Molded contact lens |
DE3206433A1 (de) * | 1982-02-23 | 1983-09-01 | Bopp & Reuther Gmbh, 6800 Mannheim | Verfahren zum spritzen von messeinsatzkoerpern aus kunststoff fuer wasserzaehler unterschiedlicher nennweiten |
US4693446A (en) * | 1985-09-20 | 1987-09-15 | Techna Vision, Inc. | Gasket for molding plastic lenses |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US34344A (en) * | 1862-02-11 | Improvement in molds for making daguerreotype-cases | ||
US2635289A (en) * | 1945-11-16 | 1953-04-21 | Freeman H Owens | Method and means for producing optical and other precision elements and the products thereof |
US2516373A (en) * | 1946-11-09 | 1950-07-25 | Domar Products Inc | Mold for making integral plastic frames and lenses |
US2558027A (en) * | 1947-12-30 | 1951-06-26 | Armstrong Cork Co | Injection molding machine |
US2559861A (en) * | 1950-10-07 | 1951-07-10 | Eastman Kodak Co | Mold for centering relatively large uncentered lenses in plastic mountings |
GB982528A (en) * | 1962-11-19 | 1965-02-03 | Combined Optical Ind Ltd | Manufacture of lenses |
-
1964
- 1964-02-21 FR FR964660A patent/FR1394270A/fr not_active Expired
-
1965
- 1965-02-10 DE DE1504512A patent/DE1504512C3/de not_active Expired
- 1965-02-15 US US432718A patent/US3331102A/en not_active Expired - Lifetime
- 1965-02-18 GB GB7090/65A patent/GB1080368A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1080368A (en) | 1967-08-23 |
DE1504512B2 (de) | 1974-09-05 |
US3331102A (en) | 1967-07-18 |
DE1504512C3 (de) | 1975-05-07 |
DE1504512A1 (de) | 1969-03-20 |
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