FR1316497A - Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses - Google Patents
Improvements in the manufacture of molded plastic articles, such as ophthalmic lensesInfo
- Publication number
- FR1316497A FR1316497A FR874077A FR874077A FR1316497A FR 1316497 A FR1316497 A FR 1316497A FR 874077 A FR874077 A FR 874077A FR 874077 A FR874077 A FR 874077A FR 1316497 A FR1316497 A FR 1316497A
- Authority
- FR
- France
- Prior art keywords
- manufacture
- molded plastic
- ophthalmic lenses
- plastic articles
- articles
- 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
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
- B29D11/00413—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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR874077A FR1316497A (en) | 1961-09-25 | 1961-09-25 | Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR874077A FR1316497A (en) | 1961-09-25 | 1961-09-25 | Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1316497A true FR1316497A (en) | 1963-02-01 |
Family
ID=8763429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR874077A Expired FR1316497A (en) | 1961-09-25 | 1961-09-25 | Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1316497A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2492807A1 (en) * | 1980-10-24 | 1982-04-30 | Corning Glass Works | LAMINATED GLASS AND POLYCARBONATE ARTICLE AND PROCESS FOR PRODUCING THE POLYCARBONATE ELEMENT |
EP0209382A2 (en) * | 1985-07-16 | 1987-01-21 | Mitsubishi Petrochemical Co., Ltd. | Cast molding of acrylic plastics |
FR2794055A1 (en) * | 1999-05-26 | 2000-12-01 | Essilor Int | METHOD FOR MOLDING AN OPTICAL LENS AND CORRESPONDING INSTALLATION |
-
1961
- 1961-09-25 FR FR874077A patent/FR1316497A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2492807A1 (en) * | 1980-10-24 | 1982-04-30 | Corning Glass Works | LAMINATED GLASS AND POLYCARBONATE ARTICLE AND PROCESS FOR PRODUCING THE POLYCARBONATE ELEMENT |
EP0209382A2 (en) * | 1985-07-16 | 1987-01-21 | Mitsubishi Petrochemical Co., Ltd. | Cast molding of acrylic plastics |
EP0209382A3 (en) * | 1985-07-16 | 1988-01-13 | Mitsubishi Petrochemical Co., Ltd. | Cast molding of acrylic plastics |
FR2794055A1 (en) * | 1999-05-26 | 2000-12-01 | Essilor Int | METHOD FOR MOLDING AN OPTICAL LENS AND CORRESPONDING INSTALLATION |
WO2000073048A1 (en) * | 1999-05-26 | 2000-12-07 | Essilor International (Compagnie Generale D'optique) | Method for moulding an optical lens and corresponding installation |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1415881A (en) | Improvements in the manufacture of molded cellular plastic articles | |
FR1314019A (en) | Improvements in the manufacture of plastic foam | |
FR1189949A (en) | Improvements in the drawing of plastic intermediate layers | |
FR1234237A (en) | Improvements in the manufacture of various objects by plastic injection | |
FR1316497A (en) | Improvements in the manufacture of molded plastic articles, such as ophthalmic lenses | |
FR1346862A (en) | Improvements in the manufacture of articles in reinforced plastics | |
FR81918E (en) | Manufacturing process for plastic objects | |
FR1269141A (en) | Improvements in the manufacture of articles in polymer foams | |
FR1277396A (en) | Improvements in the manufacture of molded thermoplastic cases | |
FR1306764A (en) | Method and machine for the manufacture of plastic articles | |
FR1080678A (en) | Improvements in the manufacture of plastic glasses | |
FR1258792A (en) | Improvements in the manufacture of plastic bottles or the like | |
FR1273585A (en) | Method of molding plastic articles | |
FR1343020A (en) | Improvements in the manufacture of plastic articles | |
FR1341244A (en) | Improvements in the manufacture of molded objects from thermoplastic materials | |
FR1178172A (en) | Improvements in the manufacture of plastic objects | |
FR1416680A (en) | Apparatus intended for the manufacture of plastic articles | |
FR1246309A (en) | Improvements in the manufacture of plastic containers | |
FR1344169A (en) | Improvement in manufacturing processes for plastic articles | |
FR1294476A (en) | Injection machine for the manufacture of plastic articles | |
FR1170414A (en) | Improvements in the manufacture of plastic tubes | |
FR1277366A (en) | Improvements in the manufacture of plastic watering cans | |
FR1311379A (en) | Improvements in the manufacture of plastic parts | |
FR1336735A (en) | Further training in the manufacture of cellular plastic articles | |
FR1295637A (en) | Manufacture of reinforced plastic articles |