IT969255B - Procedimento per la formatura di lenti ottiche in materiale organico e lenti ottenute col tale procedi mento - Google Patents
Procedimento per la formatura di lenti ottiche in materiale organico e lenti ottenute col tale procedi mentoInfo
- Publication number
- IT969255B IT969255B IT1300772A IT1300772A IT969255B IT 969255 B IT969255 B IT 969255B IT 1300772 A IT1300772 A IT 1300772A IT 1300772 A IT1300772 A IT 1300772A IT 969255 B IT969255 B IT 969255B
- Authority
- IT
- Italy
- Prior art keywords
- lenses
- procedure
- forming
- organic material
- optical lenses
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
-
- 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
- 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
- B29D11/00528—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
- 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
- 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
- B29C33/0022—Multi-cavity moulds
-
- 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
-
- 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)
- 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 |
---|---|---|---|
FR7141633A FR2160328B1 (it) | 1971-11-16 | 1971-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT969255B true IT969255B (it) | 1974-03-30 |
Family
ID=9086105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1300772A IT969255B (it) | 1971-11-16 | 1972-11-14 | Procedimento per la formatura di lenti ottiche in materiale organico e lenti ottenute col tale procedi mento |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4862441A (it) |
DE (1) | DE2255923A1 (it) |
FR (1) | FR2160328B1 (it) |
GB (1) | GB1395203A (it) |
IT (1) | IT969255B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1979001091A1 (en) * | 1978-05-22 | 1979-12-13 | Shinano Kikaku Co Ltd | Optical device for wide-scope |
CA1143518A (en) * | 1979-01-15 | 1983-03-29 | George T. Croft | Method and apparatus for making plastic lenses |
GB2155388A (en) * | 1984-03-09 | 1985-09-25 | Philips Electronic Associated | Moulding an accurately centred lens surface |
DE102004043385B3 (de) * | 2004-09-08 | 2006-05-18 | Seereal Technologies Gmbh | Verfahren und Einrichtung zur Replikation fein strukturierter Flachoptiken und optischen Masken mit derartigen strukturierten Optiken |
US7615180B2 (en) | 2005-07-08 | 2009-11-10 | Gentex Optics, Inc. | Method for injection molding with direct insert thermal control |
DE102007057987A1 (de) * | 2007-12-03 | 2009-06-10 | Christoph Egger | Verfahren zur Herstellung von Gussteilen aus Polyurethan |
JP2011098487A (ja) * | 2009-11-05 | 2011-05-19 | Fujifilm Corp | 素子アレイ成形型、及び該成形型を用いて成形された素子アレイ |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2516373A (en) * | 1946-11-09 | 1950-07-25 | Domar Products Inc | Mold for making integral plastic frames and lenses |
FR1090073A (fr) * | 1953-09-22 | 1955-03-28 | L O S Lentilles Ophtalmiques S | Procédé de fabrication de lentilles en résines synthétiques |
-
1971
- 1971-11-16 FR FR7141633A patent/FR2160328B1/fr not_active Expired
-
1972
- 1972-11-13 GB GB5225872A patent/GB1395203A/en not_active Expired
- 1972-11-14 IT IT1300772A patent/IT969255B/it active
- 1972-11-15 DE DE19722255923 patent/DE2255923A1/de not_active Withdrawn
- 1972-11-16 JP JP11434572A patent/JPS4862441A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS4862441A (it) | 1973-08-31 |
GB1395203A (en) | 1975-05-21 |
FR2160328B1 (it) | 1976-02-13 |
FR2160328A1 (it) | 1973-06-29 |
DE2255923A1 (de) | 1973-05-24 |
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