GB1463731A - Method of forming an optical member such as a lens - Google Patents
Method of forming an optical member such as a lensInfo
- Publication number
- GB1463731A GB1463731A GB4762674A GB4762674A GB1463731A GB 1463731 A GB1463731 A GB 1463731A GB 4762674 A GB4762674 A GB 4762674A GB 4762674 A GB4762674 A GB 4762674A GB 1463731 A GB1463731 A GB 1463731A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mould
- injection
- lens
- forming
- optical member
- 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
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
-
- 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
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/40—Plastics, e.g. foam or rubber
- B29C33/405—Elastomers, e.g. rubber
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
-
- 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
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- 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
- B29K2909/00—Use of inorganic materials not provided for in groups B29K2803/00 - B29K2807/00, as mould material
- B29K2909/02—Ceramics
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732354987 DE2354987C2 (de) | 1973-11-02 | 1973-11-02 | Gießform zur Fertigung von Kunststofflinsen mit optischer Oberflächenqualität sowie Vorrichtung zu ihrer Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1463731A true GB1463731A (en) | 1977-02-09 |
Family
ID=5897126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4762674A Expired GB1463731A (en) | 1973-11-02 | 1974-11-04 | Method of forming an optical member such as a lens |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2354987C2 (de) |
FR (1) | FR2249755B1 (de) |
GB (1) | GB1463731A (de) |
IT (1) | IT1025328B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2189181A (en) * | 1986-04-19 | 1987-10-21 | Kloeckner Ferromatik Desma | Injection moulding information carrying plates |
EP1342559A1 (de) * | 2002-03-04 | 2003-09-10 | Johnson & Johnson Vision Care, Inc. | Verfahren zur Herstellung eines Inserts für ein Spritzgiesswerkzeug zur Herstellung von Kontaktlinsen und Insert für ein Spritzgiesswerkzeug |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3112751A1 (de) * | 1981-03-31 | 1982-10-07 | Fa. Carl Zeiss, 7920 Heidenheim | Formwerkzeug zur herstellung von teilen aus thermoplastischem material |
WO1989011966A1 (en) * | 1988-06-01 | 1989-12-14 | Vision Science, Inc. | Method and apparatus for manufacturing disposable optical molds |
JP2871795B2 (ja) * | 1990-03-13 | 1999-03-17 | 富士重工業株式会社 | 複合材部品成形型 |
US5141678A (en) * | 1990-10-10 | 1992-08-25 | Blum Ronald D | Method for forming disposable molds for producing optical quality lenses |
-
1973
- 1973-11-02 DE DE19732354987 patent/DE2354987C2/de not_active Expired
-
1974
- 1974-10-30 IT IT2897174A patent/IT1025328B/it active
- 1974-11-04 GB GB4762674A patent/GB1463731A/en not_active Expired
- 1974-11-04 FR FR7436625A patent/FR2249755B1/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2189181A (en) * | 1986-04-19 | 1987-10-21 | Kloeckner Ferromatik Desma | Injection moulding information carrying plates |
GB2189181B (en) * | 1986-04-19 | 1989-11-29 | Kloeckner Ferromatik Desma | Injection mould for injection-moulding information-carrying plates |
EP1342559A1 (de) * | 2002-03-04 | 2003-09-10 | Johnson & Johnson Vision Care, Inc. | Verfahren zur Herstellung eines Inserts für ein Spritzgiesswerkzeug zur Herstellung von Kontaktlinsen und Insert für ein Spritzgiesswerkzeug |
Also Published As
Publication number | Publication date |
---|---|
FR2249755B1 (de) | 1978-09-29 |
DE2354987B1 (de) | 1975-04-30 |
DE2354987C2 (de) | 1976-01-02 |
IT1025328B (it) | 1978-08-10 |
FR2249755A1 (de) | 1975-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |