AT343350B - CASTING FORM FOR MANUFACTURING OPTICAL PLASTIC LENSES - Google Patents
CASTING FORM FOR MANUFACTURING OPTICAL PLASTIC LENSESInfo
- Publication number
- AT343350B AT343350B AT478672A AT478672A AT343350B AT 343350 B AT343350 B AT 343350B AT 478672 A AT478672 A AT 478672A AT 478672 A AT478672 A AT 478672A AT 343350 B AT343350 B AT 343350B
- Authority
- AT
- Austria
- Prior art keywords
- plastic lenses
- manufacturing optical
- optical plastic
- casting form
- casting
- Prior art date
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
- B29C33/301—Modular mould systems [MMS], i.e. moulds built up by stacking mould elements, e.g. plates, blocks, rods
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
-
- 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
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15004071A | 1971-06-04 | 1971-06-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA478672A ATA478672A (en) | 1977-09-15 |
AT343350B true AT343350B (en) | 1978-05-26 |
Family
ID=22532855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT478672A AT343350B (en) | 1971-06-04 | 1972-06-02 | CASTING FORM FOR MANUFACTURING OPTICAL PLASTIC LENSES |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT343350B (en) |
CA (1) | CA973671A (en) |
CH (1) | CH550653A (en) |
GB (1) | GB1347821A (en) |
IE (1) | IE38112B1 (en) |
IL (1) | IL39580A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2219241A (en) * | 1988-03-02 | 1989-12-06 | Pilkington Visioncare Holdings | Method and apparatus for moulding and casting using gated dies, and for moulding constant thickness lenses |
-
1972
- 1972-05-31 IL IL39580A patent/IL39580A/en unknown
- 1972-05-31 CH CH804472A patent/CH550653A/en not_active IP Right Cessation
- 1972-06-02 IE IE757/72A patent/IE38112B1/en unknown
- 1972-06-02 CA CA143,757A patent/CA973671A/en not_active Expired
- 1972-06-02 AT AT478672A patent/AT343350B/en not_active IP Right Cessation
- 1972-06-05 GB GB2606472A patent/GB1347821A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA973671A (en) | 1975-09-02 |
IE38112L (en) | 1972-12-04 |
IL39580A (en) | 1975-03-13 |
IL39580A0 (en) | 1972-07-26 |
ATA478672A (en) | 1977-09-15 |
CH550653A (en) | 1974-06-28 |
GB1347821A (en) | 1974-02-27 |
IE38112B1 (en) | 1978-01-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |